CN110439373B

CN110439373B - Electric lock body

Info

Publication number: CN110439373B
Application number: CN201910726389.0A
Authority: CN
Inventors: 沈汉标; 王妙玉; 童威云; 杨思民; 柏小军
Original assignee: Guangdong Hotata Smart Home Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2024-03-26
Anticipated expiration: 2039-08-07
Also published as: CN110439373A

Abstract

The invention discloses an electric lock body, which comprises a lock shell, a driving module, a control device, a bevel tongue assembly, a locking assembly and a positioning assembly, wherein the driving module comprises a motor, a driven gear and a shifting fork, the bevel tongue assembly comprises a first movable part which can be slidably arranged in the lock shell and is provided with a bevel tongue which can extend outwards, the locking assembly comprises a second sliding seat which can be movably arranged in the lock shell, a second elastic part and a locking part, the second sliding seat is provided with a fork tongue which can extend outwards, the second elastic part is used for providing elastic support for the fork tongue, the locking part can be rotatably arranged in the lock shell, the positioning assembly can be rotatably arranged in the lock shell, one end of the positioning assembly is close to the locking part, and the other end of the positioning assembly is close to the shifting fork. The electric lock body can enable the inclined tongue to reliably extend in the mechanical driving direction, so that the door and the door frame provided with the electric lock body can be reliably positioned, and the situation that the door is not closed is avoided.

Description

Electric lock body

Technical Field

The invention relates to the technical field of locks, in particular to an electric lock body.

Background

Most traditional door locks generally adopt a mechanical unlocking mode of a manual key, and are more reliable in use, but are more difficult to realize automatic control, and are not as easy to change unlocking and locking conditions as electric door locks; later industry began to adopt electrically controlled lock, can be through infrared, fingerprint, brush card, discernment such as password, drive the spring bolt through logic circuit control motor rotation and open and lock, in order to avoid appearing the condition that can't open or lock the door body because of electrically controlled trouble, still remain in many electrically controlled locks and open and the mechanism lock structure of locking through the key.

For example, an electric lock disclosed in the 'built-in anti-theft door electric lock' of the Chinese patent 03250334.2 adopts a compound driving gear for transmission, so that the internal structure is complex and unreasonable, the mechanical unlocking and locking modes are not independent from the electric unlocking and locking modes, the electric unlocking and locking can be realized only by a speed reducing device and a compound driving gear, and the mechanical unlocking and locking can be realized only by driving the speed reducing device and the compound driving gear, so that the structure is complex, the key is hard to rotate, and the service life of the door lock is greatly shortened; the main lock and the inclined tongue are two completely independent systems, and the inclined tongue can be opened at any time, so that the inclined tongue has no positioning function, thereby bringing a plurality of inconveniences to a user and affecting the service life of the lock.

For example, in an electric door lock disclosed in chinese patent 201010139115.0, a sensing signal that a door is completely closed is generated by using a corresponding match between a photoelectric switch on a door lock and an electromagnet on a door frame, so as to trigger rotation of a motor, so as to drive a latch to extend, and by using positioning of a latch and a latch hole on the door frame, collision and friction between the latch and the door frame when a main latch extends can be avoided, so that not only is excessive expansion resistance of the main latch avoided, but also unnecessary collision between the main latch and the door frame can be avoided, and the service life of the lock is prolonged.

However, the above-mentioned electric door lock still has the following technical problems:

1. the photoelectric switch and the electromagnet are matched to generate a sensing signal for completely closing the door so as to trigger the motor to drive the inclined tongue to extend, and when the power is off or the sensing fault occurs in the process, the inclined tongue cannot automatically extend, so that the door and the door frame cannot be reliably positioned, the situation that the door is not closed easily occurs, and potential safety hazards are easily left;

2. under the condition of forcefully closing the door or closing the door in a hurry, the door is easy to rebound and cannot be completely closed, so that the photoelectric switch cannot be matched with the electromagnet, the inclined tongue cannot extend, the condition that the door is not closed easily occurs, and potential safety hazards are easily left.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide an electric lock body, which can enable a bevel tongue to reliably extend in a mechanical driving mode, so that the door and a door frame provided with the electric lock body can be reliably positioned, and the situation that the door is not closed is avoided.

The invention adopts the following technical scheme:

an electric lock body comprising:

the lock comprises a lock shell, a lock cover and a lock cover, wherein the lock shell is hollow;

The driving module is arranged in the lock shell and comprises a motor, a driving gear, a driven gear and a shifting fork, wherein the motor is in transmission connection with the driving gear, the driving gear is meshed with the driven gear, the driven gear is in transmission connection with the shifting fork so as to drive the shifting fork to rotate, and a first shifting tongue is arranged on the shifting fork;

the control device is electrically connected with the motor;

a tongue module, the tongue module comprising:

the latch assembly comprises a first sliding seat, a latch and a first elastic piece, wherein the first sliding seat can be slidably installed in the lock shell, the latch can be rotatably installed at the end part of the first sliding seat and can extend out of the lock shell, and the first elastic piece is used for providing an elastic force for the latch to extend outwards;

the locking assembly comprises a second sliding seat, a second elastic piece and a locking piece, wherein the second sliding seat can be installed in the lock shell in a sliding mode, the second sliding seat is provided with a fork tongue which can extend out of the lock shell, the sliding direction of the second sliding seat is the same as that of the first sliding seat, the second elastic piece is used for providing elastic force for extending outwards for the fork tongue, the locking piece can be installed on the lock shell in a rotating mode, the first end of the locking piece is connected with the second sliding seat, and the second end of the locking piece extends towards the direction of the inclined tongue;

The positioning component can be rotatably installed in the lock shell, the first end of the positioning component is close to the second end of the locking piece, when the fork tongue is retracted under the action of external force, the second sliding seat drives the locking piece to rotate so as to stir the positioning component, the positioning component is matched with the first sliding seat, the second end of the positioning component is close to the first shifting tongue, and when the motor drives the driven gear to rotate, the shifting fork rotates so as to drive the first shifting tongue to stir the positioning component, so that the positioning component is separated from the first sliding seat.

Further, a first retaining groove is formed in the first sliding seat, and the first end of the positioning assembly can be detachably matched with the first retaining groove.

The electric lock body also comprises a main lock tongue module, wherein the main lock tongue module comprises a main lock tongue assembly and a main lock tongue transmission assembly;

the main lock tongue component is slidably arranged in the lock shell, the sliding direction of the main lock tongue component is the same as that of the inclined tongue component, the main lock tongue component is provided with a main lock tongue which can extend outwards, the main lock tongue is used for being matched with a main lock tongue hole on a door frame, and the main lock tongue component is also provided with a second retaining groove;

The main lock tongue transmission assembly comprises a main lock tongue shifting fork and a main lock tongue shifting wheel, the main lock tongue shifting fork and the main lock tongue shifting wheel can be rotatably arranged in the lock shell, the shifting fork is also provided with a second shifting tongue, a first end of the main lock tongue shifting fork is connected with the second shifting tongue, a second end of the main lock tongue shifting fork is provided with a plurality of first gear teeth, the main lock tongue shifting wheel is provided with a plurality of second gear teeth meshed with the first gear teeth, the main lock tongue shifting wheel is also provided with a protruding block, the main lock tongue shifting fork rotates to drive the main lock tongue shifting wheel to rotate, so that the protruding block can be abutted with a first side wall of the second retaining groove and push the main lock tongue to outwards extend, or the protruding block can be abutted with a second side wall of the second retaining groove and push the main lock tongue to retract into the lock shell;

and the motor starting sensor is electrically connected with the control device, and can be triggered by the second sliding seat when the fork tongue retracts towards the inside of the lock shell.

Further, the driving module further includes:

the lock driving wheel assembly comprises a first lock driving wheel matched with the lock cylinder and a second lock driving wheel matched with the switch knob, and the first lock driving wheel and the second lock driving wheel are coaxially arranged and can be rotatably arranged in the lock shell;

The shifting fork and the driven gear are both sleeved on the lock shifting wheel assembly, a first shifting groove is formed in the outer wall surface of the shifting fork, a first shifting piece which can be abutted against the side wall of the first shifting groove is arranged on the driven gear, the outer wall surfaces of the first lock shifting wheel and the second lock shifting wheel are both outwards extended to form a second shifting piece, a second shifting groove is formed in the inner wall surface of the shifting fork, and the second shifting piece can be abutted against the side wall of the second shifting groove;

the first toggle groove, the second toggle groove, the first toggle piece and the second toggle piece are all arc-shaped, the central angle of the first toggle groove is equal to the central angle of the second toggle groove, the central angle of the first toggle piece is equal to the central angle of the second toggle piece, the arc length of the first toggle piece is smaller than the arc length of the first toggle groove, and the arc length of the second toggle piece is smaller than the arc length of the second toggle groove.

Further, the electric lock body further comprises a first torsion spring, the first torsion spring can be rotatably installed in the lock shell, a torsion spring hole for inserting the free end of the first torsion spring is formed in the main lock tongue thumb wheel, and the first torsion spring is used for providing elastic force for the protruding block to keep a state of being abutted to the first side wall of the second retaining groove.

Further, the electric lock body further comprises a main lock tongue locking photoelectric sensor and a main lock tongue unlocking photoelectric sensor which are electrically connected with the control device, the main lock tongue locking photoelectric sensor and the main lock tongue unlocking photoelectric sensor are both formed with a first through groove, an arc-shaped main lock tongue blocking piece is arranged on the second poking tongue, when the main lock tongue is in a locking state, the main lock tongue blocking piece is located in the first through groove of the main lock tongue locking photoelectric sensor, and when the main lock tongue is in an unlocking state, the main lock tongue blocking piece is located in the first through groove of the main lock tongue unlocking photoelectric sensor.

Further, the first side wall and the second side wall of the second retaining groove are provided with notches which can be detachably matched with the convex blocks.

Further, the electric lock body further comprises a driven gear reset photoelectric sensor electrically connected with the control device, the driven gear reset photoelectric sensor is provided with a second through groove, the first stirring piece is provided with a driven gear reset blocking piece, and when the driven gear is reset, the driven gear reset blocking piece is located in the second through groove.

Further, the oblique tongue includes connecting portion and the triangle location portion that is connected, connecting portion rotationally install in the side of first slide, just triangle location portion protrusion in the preceding terminal surface setting of first slide, just the side of triangle location portion extends along being close to the direction of the preceding terminal surface of first slide forms the bulge, the first end of the one side of bulge with the preceding terminal surface of first slide is relative with the preceding terminal surface contact of first slide, the second end of the one side of bulge with the preceding terminal surface of first slide is relative with form between the preceding terminal surface of first slide and dodge the space, so that the oblique tongue can be towards first slide upset.

Further, the first elastic component is a second torsion spring, the second torsion spring can be rotatably installed in the lock shell, the first free end of the second torsion spring is in butt joint with the first inner side wall of the lock shell, the first inner side wall is perpendicular to the second inner side wall of the lock shell, which is provided for the inclined tongue to extend out, a torsion spring groove is formed in the first sliding seat, and the second free end of the second torsion spring is inserted in the torsion spring groove.

Further, the first locating part is last to be offered and to supply the spacing groove that the second slide passed, the spacing groove link up the top surface of first locating part, the locking subassembly still including set firmly in second locating part on the preceding terminal surface of first locating part, the second locating part offered with the spacing groove intercommunication and supply the through hole that the second slide passed, the second elastic component cover is located on the second slide, the one end of second elastic component with second locating part butt, the other end with the second slide is close to the one end butt of fork tongue.

Further, the locking piece includes first linking arm and second linking arm, first linking arm with the second slide sets up perpendicularly, first linking arm with the internal face of lock casing articulates, just the one end of first linking arm with the second slide is connected, the other end of first linking arm with the second linking arm is connected, the second linking arm orientation is close to locating component's direction extends, just the spout has been seted up on the second linking arm, be equipped with the second guide on the internal face of lock casing, the second guide with spout sliding connection.

Further, locating component includes locating plate, lower locating plate, first spliced pole, pivot and second spliced pole, go up locating plate, lower locating plate all overlaps locate in the pivot and with pivot pivoted connection, the pivot is located between first spliced pole and the second spliced pole, just pivot, first spliced pole and second spliced pole three's central axis are parallel to each other, the both ends of first spliced pole and second spliced pole respectively with go up locating plate, lower locating plate fixed connection, go up the locating plate and form between the locating plate down and supply first plectrum movable male dodge space, just first plectrum can with first spliced pole rolling fit, the second spliced pole can with first stopping groove detachable fit.

Further, an anti-abrasion cylinder is sleeved on the second connecting column, and the anti-abrasion cylinder is suitable for being detachably matched with the first retaining groove.

Further, an avoidance groove is formed in the position, close to the positioning assembly, of the bottom wall of the first sliding seat, and the avoidance groove is used for enabling the end portion, close to the second connecting column, of the lower positioning plate to pass through freely.

Further, the positioning assembly further comprises a third torsion spring used for providing cooperation with the first sliding seat for the second connecting column, the third torsion spring is sleeved on the pivot shaft, the first connecting column and the second connecting column are arranged in a staggered mode, the first free end of the third torsion spring is in butt joint with the first connecting column, and the second free end of the third torsion spring is in butt joint with the second connecting column.

Compared with the prior art, the invention has the beneficial effects that:

when the fork tongue retracts under the action of external force (when the electric lock body is installed on the door plate, the external force acts on the thrust of the fork tongue for the door frame), the second sliding seat retracts into the lock shell and drives the upper lock piece to rotate so as to toggle the positioning component, the positioning component is matched with the first sliding seat, so that the inclined tongue can be reliably propped against the inclined tongue hole on the door frame, the inclined tongue can be reliably matched with the inclined tongue hole on the door frame, thereby realizing the reliable positioning between the door and the door frame, which are installed with the electric lock body, finally, the door is reliably closed, when the motor drives the driven gear to rotate, the shifting fork rotates so as to drive the first shifting tongue to toggle the positioning component, the positioning component is separated from the first sliding seat, the inclined tongue component can freely move, and then the door with the electric lock body is pushed or pulled by being installed on the first sliding seat, the inclined tongue can be overturned downwards under the thrust action of the door frame, the inclined tongue can be provided with inward thrust for the first sliding seat, the inclined tongue is reliably matched with the inclined tongue hole, thereby realizing the reliable positioning between the door and the door frame, the door frame is installed with the electric lock body, the electric lock body is not rebounded by the elastic lock body, the elastic lock is prevented from being installed between the door frame and door frame, the door frame is not bounced, the door frame is prevented from being installed, the door frame is prevented from being bounced, the door lock is greatly is prevented from being driven, the door frame is not is greatly is prevented from being closed, and the door frame is prevented from being mounted, and the door frame is greatly is opened, and the door frame is not is opened, and the door frame is opened, and the door is opened and is opened, the unlocking is more convenient.

Drawings

FIG. 1 is a schematic perspective view of an electric lock body according to the present invention;

FIG. 2 is a schematic view of the internal structure of the electric lock body shown in FIG. 1, wherein the main lock tongue is in an unlocked state;

FIG. 3 is a schematic view of the internal structure of the electric lock body shown in FIG. 1, wherein the master latch is in a locked state and the slave gear is not retracted;

FIG. 4 is a schematic view of the internal structure of the electric lock body shown in FIG. 1, wherein the master latch is in a locked state and the slave gear is retracted;

FIG. 5 is a schematic view illustrating an internal structure of another embodiment of the electric lock body shown in FIG. 1;

FIG. 6 is an exploded view of the lock housing in the electric lock body shown in FIG. 1;

fig. 7 is a perspective view of a driving module in the electric lock body shown in fig. 1 in a first view angle state;

fig. 8 is a perspective view of the driving module shown in fig. 7 in a second viewing angle state;

FIG. 9 is an exploded view of the drive module shown in FIG. 7;

FIG. 10 is a perspective view of a master latch module of the electric lock of FIG. 1;

FIG. 11 is an exploded view of the master latch module of FIG. 10 in a first view;

FIG. 12 is an exploded view of the master latch module of FIG. 10 in a second view;

FIG. 13 is a schematic perspective view of a latch assembly of the electric lock of FIG. 1;

FIG. 14 is a schematic perspective view of a positioning assembly in the electric lock body shown in FIG. 1;

FIG. 15 is a schematic perspective view of a locking assembly of the electric lock body of FIG. 1;

fig. 16 is an exploded view of the locking assembly shown in fig. 15.

In the figure: 1. a lock housing; 11. an upper housing; 111. an opening; 112. positioning holes; 113. a first guide groove; 114. a second guide groove; 115. a third guide groove; 12. a lower housing; 13. a side plate; 131. a first avoidance hole; 132. a second avoidance hole; 133. a third avoidance hole; 2. a driving module; 21. a motor; 22. a first bevel gear; 23. a second bevel gear; 24. a drive gear; 25. a driven gear; 251. the first toggle piece; 252. a driven gear reset catch; 26. a lock thumb wheel assembly; 261. a first lock dial wheel; 2611. the second toggle piece; 262. a second lock dial wheel; 27. a shifting fork; 271. a first toggle slot; 272. a second toggle slot; 273. a first pull tab; 274. a second pull tab; 28. resetting the photoelectric sensor by the driven gear; 29. a motor box; 3. a master latch module; 31. a carriage; 311. a second retaining groove; 3111. a notch; 32. a main bolt; 33. a master latch thumb wheel; 331. a second gear tooth; 332. a bump; 34. a main lock bolt fork; 341. a first gear tooth; 35. a first torsion spring; 4. a latch assembly; 41. a first slider; 411. a first retaining groove; 42. a beveled tongue; 43. a second torsion spring; 5. a positioning assembly; 51. an upper positioning plate; 52. a lower positioning plate; 53. a first connection post; 54. a pivot shaft; 55. a second connection post; 56. an anti-wear cylinder; 57. a third torsion spring; 6. a locking assembly; 61. a second slider; 611. a limit end part; 612. a guide end; 62. a fork tongue; 63. a first limiting member; 631. a limit groove; 632. a positioning groove; 64. a spring; 65. a second limiting piece; 651. a through hole; 652. positioning convex parts; 66. locking parts; 661. a guide hole; 662. a chute; 67. a first guide; 68. a second guide; 7. a circuit board; 71. a motor start sensor; 72. the main lock tongue starts a photoelectric sensor; 73. the main lock tongue locks the photoelectric sensor; 8. a main bolt stop.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Referring to fig. 1-5, an electric lock according to a preferred embodiment of the present invention is shown, which comprises a lock housing 1, a drive module 2, a control device, a main lock tongue module 3 and a latch tongue module, which are arranged in a hollow manner.

As shown in fig. 6, the lock housing 1 includes an upper housing 11, a lower housing 12 and a side plate 13, an opening 111 is formed on one side of the upper housing 11, and the side plate 13 is mounted at a position of the lower housing 12 corresponding to the position of the opening 111, and the side plate 13 is buckled with the opening 111, so that the upper housing 11 and the lower housing 12 are buckled to form an integral lock housing 1.

The control device comprises a circuit board 7, and the circuit board 7 can comprise a plurality of sensors, logic circuits for identifying sensor signals, opening and locking signals and the like, and a driving circuit for controlling the motor 21 to rotate (including forward rotation and reverse rotation), wherein the logic circuits and the driving circuit can adopt the existing mature circuits for setting.

The driving module 2 is located in the lock housing 1, as shown in fig. 6-8, the driving module 2 includes a motor 21, a first bevel gear 22, a second bevel gear 23, a driving gear 24, a driven gear 25, a lock dial wheel assembly 26, a shifting fork 27 and a motor box 29, the motor box 29 is installed in the lock housing 1, the motor 21, the first bevel gear 22, the second bevel gear 23 and the driving gear 24 are installed in the motor box 29, wherein the motor 21 is electrically connected with the circuit board 7, so as to control the opening and closing of the motor 21, an output shaft of the motor 21 is matched with a center Kong Chuandong of the first bevel gear 22, the first bevel gear 22 and the second bevel gear 23 are meshed, an extending direction of a central axis of the first bevel gear 22 is parallel to a length extending direction of the lock housing 1, and an extending direction of a central axis of the first bevel gear 22 is perpendicular to an extending direction of the central axis of the second bevel gear 23, thus, the size of the electric lock body in an up-down direction can be avoided, the electric lock body is facilitated to be thinned, the second bevel gear 23 and the driving gear 24 is electrically connected with the driving gear 24, an output shaft of the motor 21 is meshed with a center Kong Chuandong of the first bevel gear 22, the first bevel gear 22 and the second bevel gear 23 is meshed with the second bevel gear 23, the shifting fork 27 is meshed with the driven gear 25, the driven gear 27 is meshed with the driven gear assembly 27, and the driven gear 27 is rotatably arranged on the driven gear assembly 25, and the driven gear 27 is meshed with the driven gear 27, and the driven assembly is capable of being set with the driven by the shifting fork 27.

Referring to fig. 1-5 and 13-16, the latch module includes a latch assembly 4, a latch assembly 6 and a positioning assembly 5, wherein the latch assembly 4 includes a first slider 41, a latch 42 and a first elastic member, wherein the first slider 41 is slidably engaged with a second guide groove 114 on the lock housing 1 through an extension portion thereof, the second guide groove 114 extends in a direction perpendicular to a length extending direction of the lock housing 1, the latch 42 is rotatably mounted on the first slider 41 and is capable of extending outward through a second avoiding hole 132 on the side plate 13, the latch 42 is for positioning engagement with a latch hole on a door frame, the first elastic member is rotatably mounted in the lock housing 1, and the first elastic member is for providing an elastic force for extending outward to the latch 42.

The locking assembly 6 includes a first limiting member 63, a second sliding seat 61, a second elastic member and a locking member 66, the first limiting member 63 is mounted on the lock housing 1, the second sliding seat 61 is slidably mounted in the lock housing 1, one end of the second sliding seat 61 slidably passes through the first limiting member 63, the other end has a latch 62 that can extend outwards through a third avoidance hole 133 on the side plate 13, the latch 62 can be mounted on the second sliding seat 61 by means of rivet or welded connection, the sliding direction of the latch 62 is the same as the sliding direction of the latch assembly 4, the second elastic member is used for providing an elastic force extending outwards for the latch 62, the locking member 66 is rotatably mounted on the lock housing 1, the first end of the locking member 66 is connected with the second sliding seat 61, and the second end of the locking member 66 extends towards the direction of the latch 42.

The positioning component 5 can be rotatably installed in the lock housing 1, the first end of the positioning component 5 is close to the second end of the upper locking piece 66, when the fork tongue 62 retracts under the action of external force (when the electric lock body is installed on the door plate, the external force acts on the thrust of the fork tongue 62 for the door frame), the second sliding seat 61 retracts towards the inside of the lock housing 1 and drives the upper locking piece 66 to rotate so as to toggle the positioning component 5, the positioning component 5 is matched with the first sliding seat 41, the inclined tongue 42 can be reliably abutted against, so that the inclined tongue 42 can be reliably matched with an inclined tongue hole on the door frame, the door and the door frame are reliably positioned, finally, the door is reliably closed, and the second end of the positioning component 5 is close to the first shifting tongue 273, when the motor 21 drives the driven gear 25 to rotate, the shifting tongue 273 drives the first shifting tongue 273 to rotate, the positioning component 5 is separated from the first shifting tongue 41, the inclined tongue 4 can freely move, the inclined tongue 42 can be rotatably matched with the inclined tongue 42, and the door frame is reversely arranged in the door frame through the inclined tongue 42, and the inclined tongue 42 is simultaneously retracted towards the door frame, and the door frame is simultaneously, the inclined tongue 42 is reversely arranged, and the door is reversely matched with the door frame through the electric sliding seat, and the inclined tongue 42 is simultaneously, and the inclined tongue is retracted.

The electric lock body utilizes the mechanical mode of the locking assembly 6 to drive the positioning assembly 5 to realize the reliable positioning between the door and the door frame, the situation that the door is not closed when power is cut is avoided, in addition, when the door is closed, due to the elastic abutting action between the fork tongue 62 and the door frame, a certain buffer effect is realized on the door, the rebound force between the door and the door frame, in which the electric lock body is installed, is reduced, the situation that the door is not closed due to overlarge rebound force between the door and the door frame is avoided, and the unlocking between the door and the door frame, in which the electric lock body is installed, is realized in a mode of driving the fork 27 to rotate by the driving motor 21, so that the unlocking is more convenient.

As a preferred embodiment, the first slide 41 is further provided with a first retaining slot 411, and the first end of the positioning assembly 5 can be detachably matched with the first retaining slot 411. In this way, the first sliding seat 41 is reliably stopped, so that the positioning component 5 and the inclined tongue component 4 can be reliably positioned, and the door frame provided with the electric door lock can be reliably positioned. Specifically, the first retaining groove 411 may have an L-shape or a V-shape.

As a preferred embodiment, two tabs 42 are provided, and the two tabs 42 are offset from each other, specifically, the tabs 42 are right triangular blocks, wherein a flat side of one tab 42 faces a first side wall of the tab hole and a flat side of the other tab 42 faces a second side wall of the tab hole, which is disposed opposite the first side wall, when the tabs 42 are mated with the tab holes. In this way, a more secure fit between the tongue 42 and the tongue aperture may be achieved.

With continued reference to fig. 1-5 and 10-12, the main latch module 3 includes a main latch assembly and a main latch drive assembly. The main latch assembly is slidably mounted in the lock housing 1, and the sliding direction of the main latch assembly is the same as that of the oblique latch assembly 4, specifically, the main latch assembly includes a carriage 31 and a main latch 32, the carriage 31 is slidably matched with a first guide groove 113 on the upper housing 11 or the lower housing 12 through a guide post thereon, the length extending direction of the first guide groove 113 is perpendicular to the length extending direction of the lock housing 1, the main latch 32 is mounted on the carriage 31, the main latch 32 can extend outwards through a first avoiding hole 131 on the side plate 13, the main latch 32 is used for being matched with a main latch 32 hole on a door frame, so that more reliable locking between a door and a door frame with the electric lock can be realized, and one end of the carriage 31 far away from the main latch 32 is further provided with a second retaining groove 311.

With continued reference to fig. 9-11, the main latch transmission assembly includes a main latch fork 34, a main latch thumb wheel 33 and a motor start sensor 71, the main latch fork 34 and the main latch thumb wheel 33 are both rotatably mounted in the lock housing 1, a first end of the main latch fork 34 is hinged with a second thumb 274, a second end of the main latch fork 34 is provided with a plurality of first gear teeth 341, the main latch thumb wheel 33 is provided with a plurality of second gear teeth 331 meshed with the first gear teeth 341, the main latch thumb wheel 33 is further provided with a bump 332, the main latch fork 34 is rotated under the driving of the fork 27 to drive the main latch thumb wheel 33 to rotate, so that the bump 332 can be abutted with a first side wall of the second retaining groove 311 and push the main latch 32 to extend outwards, or the bump 332 can be abutted with a second side wall of the second retaining groove 311 and push the main latch 32 to retract into the lock housing 1, thus realizing locking and unlocking of the main latch 32.

The motor start sensor 71 is mounted on the circuit board 7 and electrically connected to the circuit board 7, so that the circuit board 7 can acquire a start signal to start the motor 21, and the motor start sensor 71 may be a pressure sensor.

Because the shifting fork 27 is of a double-tongue structure, the electric lock body can ensure that the first shifting tongue 273 is simultaneously contacted with the positioning component 5 after the second shifting tongue 274 shifts the main lock tongue 32 to retract, so that the retracting step of the oblique tongue 42 immediately follows the retracting step of the main lock tongue 32, the unlocking time of the electric lock body can be saved, and the user experience is improved.

With continued reference to fig. 1-4, to enable a switch lock to be implemented even in the event of a power outage, the lock-wheel assembly 26 includes a first lock-wheel 261 for engagement with a lock cylinder (which is adapted to engage a key and is typically disposed outdoors) and a second lock-wheel 262 for engagement with a switch knob (which is typically disposed indoors), the first and second lock-wheels 261, 262 being coaxially disposed, the first lock-wheel 261 being rotatably mounted in a locating hole 112 in the upper housing 11 and the second lock-wheel 262 being rotatably mounted in a locating hole 112 in the lower housing 12.

Referring to fig. 7-9, the driven gear 25 is sleeved on the first lock catch wheel 261 or the second lock catch wheel 262, one end of the shift fork 27 is sleeved on the first lock catch wheel 261, the other end of the shift fork 27 is sleeved on the second lock catch wheel 262, the outer wall surface of the shift fork 27 is provided with a first shift groove 271, the driven gear 25 is provided with a first shift member 251 which can be abutted with the side wall of the first shift groove 271 so as to drive the shift fork 27 to rotate, the outer wall surfaces of the first lock catch wheel 261 and the second lock catch wheel 262 are outwards extended to form a second shift member 2611, the inner wall surface of the shift fork 27 is provided with a second shift groove 272, the second shift member 2611 can be abutted with the side wall of the second shift groove 272 so as to drive the shift fork 27 to rotate, and meanwhile, the separation between the indoor manual switch lock and the outdoor manual switch lock can be realized.

In order to avoid the mutual interference between the rotation of the driven gear 25 and the rotation of the lock dial wheel assembly 26, the first dial groove 271, the second dial groove 272, the first dial 251 and the second dial 2611 are all arc-shaped, the central angle of the first dial groove 271 is equal to that of the second dial groove 272, the central angle of the first dial 251 is equal to that of the second dial 2611, the arc length of the first dial 251 is smaller than that of the first dial groove 271, the arc length of the second dial 2611 is smaller than that of the second dial groove 272, so that an idle rotation giving space can be provided for the driven gear 25, the mutual interference between the driven gear 25 and the lock dial wheel assembly 26 is avoided, and therefore, the separation of a manual switch lock and an electric switch lock can be realized.

As a preferred embodiment, the electric lock body further comprises a main lock tongue locking photoelectric sensor 73 and a main lock tongue unlocking photoelectric sensor 72 which are electrically connected with the control device, wherein the main lock tongue locking photoelectric sensor 73 and the main lock tongue unlocking photoelectric sensor 72 are both arranged on the circuit board 7, the main lock tongue locking photoelectric sensor 73 and the main lock tongue unlocking photoelectric sensor 72 are both provided with a first through groove, the second poking tongue 274 or the dragging plate 31 is provided with a main lock tongue blocking piece 8, referring specifically to fig. 4 or fig. 5, when the main latch 32 is in the locked state, the main latch stopper 8 is located in the first through slot of the main latch locking photoelectric sensor 73, so that the circuit board 7 obtains the main latch 32 locking signal and drives the motor 21 to reversely reset, and when the main latch 32 is in the unlocked state, the main latch stopper 8 is located in the first through slot of the main latch unlocking photoelectric sensor 72, so that the circuit board 7 obtains the main latch 32 unlocking signal and turns off the motor 21. In this way, by mounting the main latch stopper 8 on the second toggle member 2611, the main latch locking photoelectric sensor 73 and the main latch unlocking photoelectric sensor 72 are cut into the first through grooves in the rotation direction, so that the production and assembly are facilitated, and the main latch locking photoelectric sensor 73 and the main latch unlocking photoelectric sensor 72 have no mechanical touch process, so that the service life and reliability can be prolonged.

As a preferred embodiment, the electric lock further comprises a driven gear resetting photoelectric sensor 28 electrically connected with the control device, the driven gear resetting photoelectric sensor 28 is fixedly installed in the lock housing 1, the driven gear resetting photoelectric sensor 28 is formed with a second through groove, the first stirring member 251 is provided with a driven gear resetting baffle 252, when the driven gear 25 is reset, the driven gear resetting baffle 252 is located in the second through groove, and the driven gear resetting baffle 252 sends a centering signal to the control device to control the closing of the motor 21, so that the driven gear 25 is prevented from rotating continuously. In this way, the driven gear reset blocking piece 252 is installed on the first stirring piece 251, and cuts into the second through groove on the driven gear 25 reset sensor in the rotation direction, so that the driven gear 25 reset sensor does not have a touch process while being convenient for production and assembly, and the service life and reliability can be prolonged.

The working principle of the electric lock body of the invention is as follows:

when the door is closed electrically, the fork bolt 62 retracts towards the inside of the lock shell 1 under the propping action of the door frame, the second sliding seat 61 drives the upper locking piece 66 to toggle the positioning component 5 to be matched with the inclined bolt component 4, the inclined bolt 42 is reliably matched with the inclined bolt hole on the door frame, the door and the door frame are reliably positioned, meanwhile, the motor starting sensor 71 can be triggered by the second sliding seat 61, the circuit board 7 obtains a starting signal, the motor 21 is started, the motor 21 rotates to drive the shifting fork 27 to rotate in the anticlockwise direction, so that the main locking bolt 32 extends outwards and is matched with the main locking bolt 32 hole on the door frame, and when the door is in place, the motor 21 drives the driven gear 25 to idle and reset in the clockwise direction until the driven gear reset blocking piece 252 is matched with the driven gear reset photoelectric sensor 28, the reliable positioning and the inclined bolt 42 is firstly driven by a mechanical mode, and then the reliable locking of the door is realized by driving the main locking bolt 32 to be matched with the main locking bolt 32 hole in an electric mode;

When the door is opened electrically, the motor 21 is driven to rotate clockwise by the recognition of infrared rays, fingerprints, card swiping, passwords and the like, the second shifting tongue 274 is driven to drive the main tongue transmission assembly to swing so as to retract the main tongue 32 inwards, then the first shifting tongue 273 is driven to drive the positioning assembly 5 to be disengaged from the inclined tongue assembly 4, and finally the door can be opened by pushing or pulling the door;

the manual door closing method may refer to an electric door closing method, and thus will not be described in detail herein. It will be appreciated that when the door is closed manually, the idle reset of the first and second lock dials 261, 262 may be controlled by a lock cylinder or a switch knob, which is well established and will not be described in detail.

As a preferred embodiment, the electric lock body further includes a first torsion spring 35, the first torsion spring 35 is rotatably installed in the lock housing 1, and the main bolt dial wheel 33 is provided with a torsion spring hole for inserting a free end of the first torsion spring 35, and the first torsion spring 35 is used for providing an elastic force for the bump 332 to keep a state of abutting against the first side wall of the second retaining groove 311, so that the bump 332 can be reliably matched with the first side wall of the second retaining groove 311, thereby realizing reliable matching between the main bolt 32 and the main bolt 32 hole. More specifically, the first torsion spring 35 has two positioning rings respectively sleeved on two fixing posts in the lock housing 1.

As a preferred embodiment, the first side wall and the second side wall of the second retaining groove 311 are provided with notches 3111 capable of detachably matching with the protruding blocks 332, and the matching between the notches 3111 and the protruding blocks 332 can play a role in positioning, so that the locking effect between the door and the door frame is better. Specifically, the second retaining groove 311 may have an L-shape or a V-shape.

As a preferred embodiment, the latch 42 includes a connecting portion and a triangular positioning portion that are connected, the connecting portion is rotatably mounted on a side surface of the first slider 41, the triangular positioning portion protrudes from a front end surface of the first slider 41, the side surface of the triangular positioning portion extends in a direction close to the front end surface of the first slider 41 to form a protruding portion, a first end of a surface of the protruding portion opposite to the front end surface of the first slider 41 contacts the front end surface of the first slider 41, and a avoiding space is formed between a second end of a surface of the protruding portion opposite to the front end surface of the first slider 41 and the front end surface of the first slider 41, so that the latch 42 can turn towards the first slider 41 and apply a force to the first slider 41, thereby pushing the first slider 41 to slide inwards, and then retracting the latch 42 inwards.

Further, the first elastic member is a second torsion spring 43, the second torsion spring 43 has a positioning ring, the positioning ring is sleeved on the fixing column in the lock housing 1, the first free end of the second torsion spring 43 is abutted to the first inner side wall of the lock housing 1, the first inner side wall is perpendicular to the second inner side wall of the lock housing 1, which is extended by the inclined tongue 42, a torsion spring groove is formed in the first sliding seat 41, and the second free end of the second torsion spring 43 is inserted in the torsion spring groove.

As shown in fig. 13, the positioning assembly 5 includes an upper positioning plate 51, a lower positioning plate 52, a first connecting post 53, a pivot shaft 54 and a second connecting post 55, two ends of the pivot shaft 54 are fixedly connected with the upper and lower surfaces of the lock housing 1 respectively, the upper positioning plate 51 and the lower positioning plate 52 are both sleeved on the pivot shaft 54 and pivotally connected with the pivot shaft 54, the pivot shaft 54 is located between the first connecting post 53 and the second connecting post 55, central axes of the pivot shaft 54, the first connecting post 53 and the second connecting post 55 are parallel to each other, two ends of the first connecting post 53 and the second connecting post 55 are fixedly connected with the upper positioning plate 51 and the lower positioning plate 52 respectively, and an avoidance space for the movable insertion of the first pulling tongue 273 is formed between the upper positioning plate 51 and the lower positioning plate 52, so that the first pulling tongue 273 can be in rolling fit with the first connecting post 53, and the second connecting post 55 can be in detachable fit with the first retaining groove 411. The positioning assembly 5 takes the central axis of the pivot shaft 54 as the rotation center, the second connecting column 55 is disengaged from the first retaining slot 411 by the driving of the first pulling tongue 273, so that the inclined tongue assembly 4 can freely move, and the second connecting column 55 is engaged with the first retaining slot 411 by the driving of the upper locking member 66, so that the inclined tongue 42 can be reliably locked.

As a preferred embodiment, the second connecting post 55 is sleeved with the anti-wear cylinder 56, and the anti-wear cylinder 56 is adapted to be detachably matched with the first retaining slot 411, so that the second connecting post 55 can be prevented from being worn, and the service life of the positioning assembly 5 is prolonged.

As a preferred embodiment, the bottom wall of the first sliding seat 41 is provided with a avoidance groove at a position close to the positioning component 5, the avoidance groove is used for allowing the end part of the lower positioning plate 52 close to the second connecting column 55 to pass freely, so that the positioning component 5 and the inclined tongue component 4 can be compacter in structural arrangement while free swing of the positioning component 5 is prevented, the occupied space is smaller, and the increase of the width dimension of the electric lock body is avoided.

As a preferred embodiment, the positioning assembly 5 further includes a third torsion spring 57 for providing the second connection post 55 with a fit with the first retaining groove 411, the positioning ring of the third torsion spring 57 is sleeved on the pivot shaft 54, the first connection post 53 and the second connection post 55 are arranged in a staggered manner, and the first free end of the third torsion spring 57 abuts against the first connection post 53, and the second free end of the third torsion spring 57 abuts against the second connection post 55, so that the fit between the second connection post 55 and the first retaining groove 411 is more reliable, and the locking of the latch 42 is more reliable.

With continued reference to fig. 14-15, as a preferred embodiment, the first limiting member 63 is provided with a limiting groove 631 for the second slide 61 to pass through, the limiting groove 631 penetrates through the top surface of the first limiting member 63, the locking assembly 6 further includes a second limiting member mounted on the front end surface of the first limiting member 63, the second limiting member is provided with a through hole 651 which is communicated with the limiting groove 631 and is for the second slide 61 to pass through, the second elastic member is sleeved on the second slide 61, one end of the second elastic member is abutted with the second limiting member 65, the other end is abutted with one end of the second slide 61 close to the fork tongue 62, and by adding the second limiting member 65 on the front end surface of the first limiting member 63, the second limiting member 65 can play a limiting role in the up-down and left-right directions on the second slide 61, so that the phenomenon that the second slide 61 moves up and down in the sliding process can be avoided. It will be appreciated that the second resilient member may be a spring 64 or a resilient sleeve, and in this embodiment, the second resilient member is preferably a spring 64.

Specifically, for easy installation, the opposite sides of the first limiting member 63 in the left-right direction are respectively provided with a positioning groove 632, and the opposite sides of the second limiting member 65 in the left-right direction extend toward the first limiting member 63 to form a positioning convex portion 652, and the positioning convex portion 652 is in clamping fit with the positioning groove 632.

In a preferred embodiment, the first limiting member 63 and the second limiting member 65 are welded together so as to make the connection between the first limiting member 63 and the second limiting member 65 more stable, and of course, the first limiting member 63 and the second limiting member 65 may be connected together by screw connection or rivet connection.

As a preferred embodiment, a limiting end 611 is formed at an end of the second slide 61 away from the fork tongue 62, and the limiting end 611 is bent with the second slide 61, so that the second slide 61 can be limited to avoid being disconnected from the first limiting member 63.

As a preferred embodiment, a guiding end 612 is provided at one end of the second slide 61 near the fork tongue 62, the guiding end 612 is slidably engaged with a third guiding groove 115 on the lock housing 1, and the extending direction of the third guiding groove 115 is perpendicular to the extending direction of the length of the lock housing 1, so as to locate and guide the second slide 61, and make the sliding smoother.

As a preferred embodiment, the locking member 66 includes a first connecting arm and a second connecting arm, the first connecting arm is vertically disposed with the second slide seat 61, the first connecting arm is hinged with the inner wall surface of the lock housing 1, one end of the first connecting arm is connected with the second slide seat 61, the other end of the first connecting arm is connected with the second connecting arm, the second connecting arm extends towards the direction close to the positioning assembly 5, an extension arm capable of being matched with the second connecting arm is formed on the lower positioning plate 52 in an outward extending manner, a guide hole 661 is formed on the first connecting arm, a first guide member 67 which is in running fit with the guide hole 661 is fixed in the lock housing 1, a sliding groove 662 is formed on the second connecting arm, a second guide member 68 is disposed on the inner wall surface of the lock housing 1, the second guide member 68 is slidingly connected with the sliding groove 662, the first guide member 67 and the second guide member 68 are both provided with heads, the heads of the first guide member 67 are exposed at the top of the second connecting arm, the outer diameter of the heads of the first guide member 67 is larger than the diameter of the guide hole 661, and the outer diameter of the heads of the second guide member 68 are larger than the outer diameter of the groove of the sliding groove 662.

The first connecting arm of the upper locking piece 66 is rotationally connected with the lock shell 1 of the electric lock body through the first guide piece 67, and the second connecting arm of the upper locking piece 66 is provided with the sliding groove 662 which is in sliding fit with the second guide piece 68 arranged in the lock shell 1, so that when the sliding seat slides to drive the upper locking piece 66 to rotate, the upper locking piece 66 directionally rotates by taking the first guide piece 67 as a rotation center, and the second guide piece 68 and the sliding groove 662 are matched, so that better guiding effect can be achieved on the upper locking piece 66, and meanwhile, the second guide piece 68 and the first guide piece 67 are both provided with the head part extending out of the top of the second connecting arm, the outer diameter of the head part of the second guide piece 68 is larger than the groove width of the sliding groove 662, and the outer diameter of the head part of the first guide piece 67 is larger than the aperture of the guide hole 661, so that the head part can play a limiting effect on the upper locking piece 66, the upper locking piece 66 is prevented from rising upwards, and the service life and the movement accuracy of the upper locking piece 66 are improved.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims

1. Electric lock body, its characterized in that includes:

the driving module is arranged in the lock shell and comprises a motor, a driving gear, a driven gear, a lock shifting wheel assembly and a shifting fork, wherein the motor is in transmission connection with the driving gear, the driving gear is meshed with the driven gear, the driven gear is in transmission connection with the shifting fork so as to drive the shifting fork to rotate, and a first shifting tongue is arranged on the shifting fork; the lock shifting wheel assembly comprises a first lock shifting wheel matched with the lock cylinder and a second lock shifting wheel matched with the switch knob, and the first lock shifting wheel and the second lock shifting wheel are coaxially arranged and can be rotatably installed in the lock shell; the shifting fork and the driven gear are both sleeved on the lock shifting wheel assembly, a first shifting groove is formed in the outer wall surface of the shifting fork, a first shifting piece which can be abutted against the side wall of the first shifting groove is arranged on the driven gear, the outer wall surfaces of the first lock shifting wheel and the second lock shifting wheel are both outwards extended to form a second shifting piece, a second shifting groove is formed in the inner wall surface of the shifting fork, and the second shifting piece can be abutted against the side wall of the second shifting groove;

The main lock tongue module comprises a main lock tongue assembly and a main lock tongue transmission assembly; the main lock tongue assembly is provided with a main lock tongue which can extend outwards and is used for being matched with a main lock tongue hole on the door frame; the main lock tongue transmission assembly comprises a main lock tongue shifting fork, a second shifting tongue is further arranged on the shifting fork, the first end of the main lock tongue shifting fork is hinged with the second shifting tongue, the shifting fork rotates, and the second shifting tongue drives the main lock tongue transmission assembly to swing so as to enable the main lock tongue to extend or retract;

the control device is electrically connected with the motor;

a tongue module, the tongue module comprising:

2. The electric lock of claim 1, wherein the first slide is provided with a first retaining groove, and the first end of the positioning assembly is detachably engaged with the first retaining groove.

3. The electric lock of claim 1, wherein the main latch assembly is slidably mounted in the lock housing, and has a sliding direction identical to a sliding direction of the latch assembly, and a second retaining groove;

the main lock tongue transmission assembly further comprises a main lock tongue shifting wheel, the main lock tongue shifting fork and the main lock tongue shifting wheel can be rotatably arranged in the lock shell, a plurality of first gear teeth are arranged at the second end of the main lock tongue shifting fork, a plurality of second gear teeth meshed with the first gear teeth are arranged on the main lock tongue shifting wheel, the main lock tongue shifting wheel is further provided with a protruding block, the main lock tongue shifting fork rotates to drive the main lock tongue shifting wheel to rotate, so that the protruding block can be abutted with the first side wall of the second retaining groove and push the main lock tongue to extend outwards, or the protruding block can be abutted with the second side wall of the second retaining groove and push the main lock tongue to retract into the lock shell;

4. The electric lock of claim 3, wherein the first toggle slot, the second toggle slot, the first toggle member, and the second toggle member are all arc-shaped, and the central angle of the first toggle slot is equal to the central angle of the second toggle slot, the central angle of the first toggle member is equal to the central angle of the second toggle member, and the arc length of the first toggle member is smaller than the arc length of the first toggle slot, and the arc length of the second toggle member is smaller than the arc length of the second toggle slot.

5. The electric lock of claim 3, wherein the main lock tongue module further comprises a first torsion spring rotatably installed in the lock housing, and the main lock tongue thumb wheel is provided with a torsion spring hole for inserting a free end of the first torsion spring, and the first torsion spring is used for providing an elastic force for the bump to keep a state of abutting against a first side wall of the second retaining groove.

6. The electric lock of claim 3, further comprising a main latch locking photoelectric sensor and a main latch unlocking photoelectric sensor electrically connected to the control device, wherein the main latch locking photoelectric sensor and the main latch unlocking photoelectric sensor are each formed with a first through slot, the second toggle or the main latch assembly is provided with a main latch stopper, when the main latch is in a locked state, the main latch stopper is located in the first through slot of the main latch locking photoelectric sensor, and when the main latch is in an unlocked state, the main latch stopper is located in the first through slot of the main latch unlocking photoelectric sensor.

7. The electric lock of claim 3, wherein the first side wall and the second side wall of the second retaining groove are provided with notches capable of being detachably matched with the protruding blocks.

8. The electric lock of claim 4, further comprising a driven gear reset photosensor electrically connected to the control device, the driven gear reset photosensor being formed with a second through slot, the first toggle member being provided with a driven gear reset stop, the driven gear reset stop being located in the second through slot when the driven gear is reset.

9. The electric lock according to claim 1, wherein the latch includes a connecting portion and a triangular positioning portion that are connected, the connecting portion is rotatably mounted on a side surface of the first slide, the triangular positioning portion protrudes from a front end surface of the first slide, the side surface of the triangular positioning portion extends in a direction close to the front end surface of the first slide to form a protruding portion, a first end of a surface of the protruding portion opposite to the front end surface of the first slide contacts with the front end surface of the first slide, and a space is formed between a second end of a surface of the protruding portion opposite to the front end surface of the first slide and the front end surface of the first slide, so that the latch can be turned over toward the first slide.

10. The electric lock of claim 1, wherein the first elastic member is a second torsion spring, the second torsion spring is rotatably mounted in the lock housing, a first free end of the second torsion spring is abutted against a first inner side wall of the lock housing, the first inner side wall is perpendicular to a second inner side wall of the lock housing, from which the inclined tongue extends, a torsion spring groove is formed in the first sliding seat, and a second free end of the second torsion spring is inserted into the torsion spring groove.

11. The electric lock of claim 1, wherein the locking assembly further comprises a first limiting member fixed in the lock housing, a limiting groove for the second slide to pass through is formed in the first limiting member, the limiting groove penetrates through the top surface of the first limiting member, the locking assembly further comprises a second limiting member mounted on the front end surface of the first limiting member, a through hole communicated with the limiting groove and for the second slide to pass through is formed in the second limiting member, the second elastic member is sleeved on the second slide, one end of the second elastic member is abutted to the second limiting member, and the other end of the second elastic member is abutted to one end of the second slide, which is close to the fork tongue.

12. The electric lock according to claim 1, wherein the locking member comprises a first connecting arm and a second connecting arm, the first connecting arm is perpendicular to the second sliding seat, the first connecting arm is hinged to the inner wall surface of the lock housing, one end of the first connecting arm is connected to the second sliding seat, the other end of the first connecting arm is connected to the second connecting arm, the second connecting arm extends towards the direction close to the positioning assembly, a guide hole is formed in the first connecting arm, a first guide member in running fit with the guide hole is arranged on the lock housing, a sliding groove is formed in the second connecting arm, a second guide member is arranged on the inner wall surface of the lock housing, and the second guide member is in sliding connection with the sliding groove.

13. The electric lock of claim 2, wherein the positioning assembly comprises an upper positioning plate, a lower positioning plate, a first connecting column, a pivot shaft and a second connecting column, two ends of the pivot shaft are respectively and fixedly connected with the upper surface and the lower surface of the lock shell, the upper positioning plate and the lower positioning plate are respectively sleeved on the pivot shaft and are pivotally connected with the pivot shaft, the pivot shaft is positioned between the first connecting column and the second connecting column, the central axes of the pivot shaft, the first connecting column and the second connecting column are parallel to each other, two ends of the first connecting column and the second connecting column are respectively and fixedly connected with the upper positioning plate and the lower positioning plate, an avoidance space for the movable insertion of the first shifting tongue is formed between the upper positioning plate and the lower positioning plate, the first shifting tongue can be in rolling fit with the first connecting column, and the second connecting column can be in detachable fit with the first stopping groove.

14. The electric lock of claim 13, wherein the bottom wall of the first slide is provided with a avoiding groove at a position close to the positioning assembly, and the avoiding groove is used for allowing the end part of the lower positioning plate close to the second connecting column to pass freely.

15. The electric lock of claim 13, wherein the positioning assembly further comprises a third torsion spring for providing the second connecting post with a fit with the first slider, the third torsion spring is sleeved on the pivot shaft, the first connecting post and the second connecting post are arranged in a staggered manner, a first free end of the third torsion spring is abutted with the first connecting post, and a second free end of the third torsion spring is abutted with the second connecting post.