CN216974463U

CN216974463U - Full-automatic heavy electronic door lock

Info

Publication number: CN216974463U
Application number: CN202220474869.XU
Authority: CN
Inventors: 陈梅艳
Original assignee: Zhongshan Royalwand Hardware Co ltd
Current assignee: Zhongshan Huangding Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-15
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to a full-automatic heavy electronic door lock, which comprises a shell, wherein an electric control plate, a driving controller, an unlocking shifting fork assembly, a latch bolt, a main latch bolt assembly and an auxiliary latch bolt assembly are arranged in the shell, the driving controller is electrically connected with the electric control plate and drives the main latch bolt assembly and the auxiliary latch bolt assembly to move through the unlocking shifting fork assembly, the unlocking shifting fork assembly comprises a shifting wheel, a driving gear, a linkage gear and a front latch bolt shifting fork, the driving gear is respectively connected with the output end of the driving controller, the linkage gear and the front latch bolt shifting fork in a transmission way, the front latch bolt shifting fork is connected with the latch bolt in a transmission way, a first tooth surface and a second tooth surface are arranged on the linkage gear, the first tooth surface and the second tooth surface are respectively connected with the auxiliary assembly and the main latch bolt assembly in a transmission way, and the structure is formed by the first tooth surface and the second tooth surface with different angles, the auxiliary bolt assembly and the main bolt assembly can be driven, so that the door lock is simplified in structure and simple and convenient to operate.

Description

Full-automatic heavy electronic door lock

Technical Field

The utility model relates to the field of intelligent door locks, in particular to a full-automatic heavy electronic door lock.

Background

The electronic door lock is a composite full-automatic lock which is different from a traditional mechanical lock, has safety, convenience and advanced technology, can realize the locking or unlocking function through a key mechanical type, and can realize the locking and unlocking functions of the full-automatic lock by means of motor intellectualization; among most present electronic lock, generally adopt a set of main spring bolt to lock the door body, the current fork assembly of unblanking only need drive a set of spring bolt and can satisfy the needs of locking and unblanking, but when the partial door body need improve factor of safety, can adopt heavy locks such as similar overlord lock usually, the lock of this part increases two sets of supplementary spring bolts on ordinary electronic lock's basis, a degree of stability for improving and lock, this improvement leads to the structure of lock to increase, consequently, need make further improvement to the fork assembly of unblanking in the lock.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the existing problems and provides a full-automatic heavy electronic door lock with a simple and reasonable structure.

Full-automatic heavy electronic lock (overlord lock), which comprises a housing, be provided with automatically controlled board, drive control ware, the fork assembly that unblanks, latch bolt, main spring bolt subassembly and supplementary spring bolt subassembly in the casing, drive control ware and automatically controlled board electric connection and through the motion of fork assembly drive main spring bolt subassembly and supplementary spring bolt subassembly of unblanking, the fork assembly that unblanks includes the thumb wheel and rotates driving gear, interlock gear and the preceding latch bolt shift fork that sets up on the thumb wheel, driving gear is connected with drive control's output, interlock gear and preceding latch bolt shift fork transmission respectively, preceding latch bolt shift fork is connected with the latch bolt transmission, be provided with first flank of tooth and second flank of tooth on the interlock gear, first flank of tooth and second flank of tooth are connected with supplementary spring bolt subassembly and main spring bolt subassembly transmission respectively.

The aim of the utility model can also be solved by the following technical measures:

more specifically, the linkage gear is a sector gear, the sector gear is provided with two layers of arc-shaped tooth surfaces, the two layers of arc-shaped tooth surfaces are arranged in a staggered mode, the upper layer of arc-shaped tooth surface forms a first tooth surface, and the lower layer of arc-shaped tooth surface forms a second tooth surface.

As a further scheme, a driving lever is arranged on the driving gear, a first arc-shaped limiting groove and a second arc-shaped limiting groove are respectively formed in the linkage gear and the front oblique tongue shifting fork corresponding to the driving lever, and the driving gear is matched with the first arc-shaped limiting groove and the second arc-shaped limiting groove through the driving lever and is in transmission connection with the linkage gear and the front oblique tongue shifting fork.

As a further scheme, the driving gear is a sector gear, an arc-shaped limiting through groove is formed in the sector gear along the swinging direction, a fixed limiting pin is arranged in the shell corresponding to the arc-shaped limiting through groove, and an arc-shaped limiting groove is formed in the shifting wheel corresponding to the fixed limiting pin.

As a further scheme, a shaft hole used for being in transmission connection with an inner door handle is formed in the thumb wheel, an unlocking push block is arranged on the thumb wheel, and the linkage gear and the front oblique tongue shifting fork are respectively provided with a first blocking surface and a second blocking surface corresponding to the unlocking push block.

As a further scheme, a reset detection switch is arranged on the electric control plate, and a first trigger part which is in trigger fit with the reset detection switch is arranged on the driving gear; the electric control board is further provided with a front in-place detection switch and a rear in-place detection switch which are used for detecting the state of the door lock along the motion direction of the main spring bolt assembly, and the main spring bolt assembly comprises a second trigger part which is in place with the front in-place detection switch or the rear in-place detection switch to trigger the matching.

As a further scheme, the drive controller comprises a motor and a gear box, a power input end and a power output end are arranged in the gear box, more than four stages of reduction transmission pairs are arranged between the power input end and the power output end, the rotating axis of the power input end is perpendicular to the rotating axis of the power output end, and the power input end and the power output end are in bidirectional transmission.

As a further scheme, the reduction transmission pair is set to be a five-stage reduction transmission pair, the five-stage reduction transmission pair comprises a first reversing reduction gear set, a second reduction gear set, a third reduction gear set, a fourth reduction gear set and a fifth reduction gear set which are sequentially transmitted, the first reversing reduction gear set is used as a power input end, and the fifth reduction gear set is used as a power output end and is in transmission connection with the lock tongue driving gear; the lock tongue driving gear is in transmission engagement with the driving gear.

As a further scheme, the device further comprises a retaining tongue, a retaining tongue detection switch and a latch tongue detection switch, wherein the latch tongue and the retaining tongue are elastically and telescopically arranged in the shell through elastic elements, one end of the latch tongue and one end of the retaining tongue extend out of the shell, the other end of the latch tongue is in transmission connection with a front latch tongue shifting fork and in movable contact fit with the latch tongue detection switch, the other end of the retaining tongue abuts against the movable contact of the retaining tongue detection switch, and the retaining tongue detection switch and the latch tongue detection switch are electrically connected with the driving controller through an electric control board.

As a further scheme, the lock bolt assembly further comprises a gear swing arm in transmission connection with the main lock bolt assembly and a rack plate in transmission connection with the auxiliary lock bolt assembly, an arc-shaped tooth surface is arranged on the gear swing arm and is in transmission engagement with the second tooth surface, and a linear tooth surface is arranged on the rack plate and is in transmission engagement with the first tooth surface.

As a further scheme, the lock further comprises an unlocking rod and a rear oblique tongue shifting fork, wherein the unlocking rod is connected to the main lock tongue assembly in a sliding mode, the rear oblique tongue shifting fork is rotatably arranged on the shifting wheel and is in transmission connection with the oblique tongue, an unlocking push rod matched with the unlocking rod in a pushing mode is arranged on the rear oblique tongue shifting fork, and a reset spring is arranged between the unlocking push rod and the main lock tongue assembly.

The utility model has the following beneficial effects:

according to the full-automatic heavy-duty electronic door lock, the linkage gear adopts the first tooth surface and the second tooth surface which are arranged in a double-layer manner and staggered in different angles to drive the auxiliary lock tongue assembly and the main lock tongue assembly to move, so that the complex transmission structure can be reduced, the auxiliary lock tongue assembly and the main lock tongue assembly in different moving states are driven through the single gear, the door lock structure is simplified, and the operation is simple and convenient.

According to the full-automatic heavy-duty electronic door lock, the electric control plate of the structure is provided with the plurality of detection switches which are inducted with the driving gear and the main bolt assembly, whether the driving gear and the main bolt assembly reset in place or not can be accurately judged in the locking or unlocking process, or the main bolt extends out or retracts in place, so that the driving controller is accurately controlled to operate.

According to the full-automatic heavy-duty electronic door lock, under the condition that the electronic door lock is only provided with the handle inside the door, when the electronic door lock is powered off, the door lock can be opened in different modes, so that the use safety of a user is ensured, and the anti-theft performance of the door lock can be ensured.

Drawings

Fig. 1 is a front view of the door lock of the present invention.

Fig. 2 is a rear view of the door lock according to the present invention.

Fig. 3 is an exploded view of the unlocking fork assembly of the present invention.

Fig. 4 is a partial structural schematic diagram of the present invention.

Fig. 5 is a schematic structural diagram of a driving controller according to the present invention.

Fig. 6 is a schematic diagram of the front end side structure of the driving controller according to the present invention.

FIG. 7 is a first embodiment of a first reversing reduction gear set of the present invention.

FIG. 8 is a second structural view of the first reversing reduction gear set of the present invention.

Fig. 9 is a schematic diagram of the rear end side structure of the driving controller of the present invention.

Fig. 10 is a schematic view of the main bolt assembly and the auxiliary bolt assembly of the present invention.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 10, the full-automatic heavy electronic door lock comprises a housing 1, wherein an electric control plate 2, a driving controller 3, an unlocking fork assembly 4, a latch bolt 5, a main bolt assembly 6 and an auxiliary bolt assembly 7 are arranged in the housing 1, the driving controller 3 is electrically connected with the electric control plate 2 and drives the main bolt assembly 6 and the auxiliary bolt assembly 7 to move through the unlocking fork assembly 4, the unlocking fork assembly 4 comprises a thumb wheel 41, a driving gear 42, a linkage gear 43 and a front oblique tongue fork 44 which are rotatably arranged on the thumb wheel 41, the driving gear 42 is respectively connected with the output end of the driving controller 3, the linkage gear 43 and the front oblique tongue shifting fork 44 in a transmission way, the front latch bolt shifting fork 44 is in transmission connection with the latch bolt 5, the linkage gear 43 is provided with a first tooth surface 431 and a second tooth surface 432, and the first tooth surface 431 and the second tooth surface 432 are in transmission connection with the auxiliary bolt assembly 7 and the main bolt assembly 6 respectively.

The linkage gear 43 is a sector gear, a double-layer arc-shaped tooth surface is arranged on the sector gear, the two layers of arc-shaped tooth surfaces are arranged in a staggered mode, the upper layer of arc-shaped tooth surface forms a first tooth surface 431, and the lower layer of arc-shaped tooth surface forms a second tooth surface 432; this structure interlock gear 43 adopts double-deck setting and with the first flank of tooth 431 and the second flank of tooth 432 drive supplementary spring bolt subassembly 7 and the motion of main spring bolt subassembly 6 that different angles stagger, can reduce complicated transmission structure, drives the supplementary spring bolt subassembly 7 and the main spring bolt subassembly 6 of different motion states through single gear, makes the lock structure simplify, and easy operation is convenient.

The driving gear 42 is provided with a driving lever 421, the linkage gear 43 and the front inclined tongue shifting fork 44 are respectively provided with a first arc-shaped limiting groove 433 and a second arc-shaped limiting groove 441 corresponding to the driving lever 421, and the driving gear 42 is in transmission connection with the linkage gear 43 and the front inclined tongue shifting fork 44 through the matching of the driving lever 421, the first arc-shaped limiting groove 433 and the second arc-shaped limiting groove 441; the driving gear 42 can drive the linkage gear 43 and the front latch fork 44 to rotate by inserting the shift lever 421 into the first arc-shaped limiting groove 433 and the second arc-shaped limiting groove 441.

The driving gear 42 is a sector gear, an arc-shaped limiting through groove 422 is formed in the sector gear along the swinging direction, a fixed limiting pin 8 is arranged in the shell 1 corresponding to the arc-shaped limiting through groove 422, and the thumb wheel 41 is provided with an arc-shaped limiting groove 411 corresponding to the fixed limiting pin 8; sector gear can save space, makes the lock compacter, through the spacing logical groove 422 of arc and the spacing recess 411 of arc and the cooperation of fixed spacer pin 8, can restrict the rotation range of former driving gear 42 and thumb wheel 41, prevents that excessive skew from causing the lock to damage.

The structure is characterized in that a shaft hole 412 used for being in transmission connection with an indoor handle is formed in the thumb wheel 41, an unlocking push block 413 is arranged on the thumb wheel 41, the linkage gear 43 and the front oblique tongue shift fork 44 are respectively provided with a first blocking surface 434 and a second blocking surface 442 corresponding to the unlocking push block 413, the structure can push the first blocking surface 434 and the second blocking surface 442 through the unlocking push block 413, the linkage gear 43 and the front oblique tongue shift fork 44 can rotate, and direct unlocking (escape unlocking) through a handle in a door is achieved.

The electric control board 2 is provided with a reset detection switch 21, and the driving gear 42 is provided with a first trigger part 423 which is in trigger fit with the reset detection switch 21; a front in-place detection switch 22 and a rear in-place detection switch 23 for detecting the state of the door lock are further arranged on the electric control board 2 along the movement direction of the main bolt assembly 6, and the main bolt assembly 6 comprises a second trigger part 10 which is in trigger fit with the front in-place detection switch 22 or the rear in-place detection switch 23; whether the driving gear 42 and the main bolt assembly 6 reset in place or not can be accurately judged in the locking or unlocking process, or the main bolt 602 extends out or retracts in place, so that the operation of the driving controller 3 is accurately controlled.

The driving controller 3 comprises a motor 31 and a gear box 34, a power input end I and a power output end 0 are arranged in the gear box 34, a reduction transmission pair 32 with more than four stages is arranged between the power input end I and the power output end 0, the rotation axis of the power input end I is perpendicular to that of the power output end 0, and the power input end I and the power output end 0 perform bidirectional transmission.

The reduction transmission pair 32 is a five-stage reduction transmission pair, the five-stage reduction transmission pair comprises a first reversing reduction gear set, a second reduction gear set, a third reduction gear set, a fourth reduction gear set and a fifth reduction gear set which are sequentially transmitted, the first reversing reduction gear set is used as a power input end I, and the fifth reduction gear set is used as a power output end 0 and is in transmission connection with the bolt driving gear 33; the latch bolt driving gear 33 is in driving engagement with the motive gear 42.

The first reversing reduction gear set, the second reduction gear set, the third reduction gear set, the fourth reduction gear set and the fifth reduction gear set are arranged in a U shape.

The reduction gear pair 32 is further described:

referring to fig. 7, the first reversing reduction gear set includes a driving cylindrical gear 301a and a face gear 401a that are engaged with each other, the driving cylindrical gear 301a is connected to a rotating shaft 311 of the motor 31, an intersecting angle between the axes of the driving cylindrical gear 301a and the face gear 401a is 90 ° and the number of teeth of the driving cylindrical gear 301a is smaller than that of the face gear 401 a; alternatively, referring to fig. 8, the first reversing reduction gear set includes a driving bevel gear 301b and a driven bevel gear 401b that are engaged with each other, the driving bevel gear 301b is connected to a rotating shaft 311 of the motor 31, the intersecting axes of the driving bevel gear 301b and the driven bevel gear 401b intersect at 90 °, and the number of teeth of the driving bevel gear 301b is smaller than that of the driven bevel gear 401 b.

The second reduction gear set comprises a second-stage small gear 303 and a second-stage large gear 304 which are meshed with each other, the second-stage small gear 303 and the face gear 401a or the driven bevel gear 401b are coaxially arranged and are positioned on one side, facing the tooth surface, of the face gear 401a or the driven bevel gear 401b, and the rotating axes of the second-stage large gear 304 and the second-stage small gear 303 are parallel;

the third reduction gear set comprises a third-stage pinion 305 and a third-stage gearwheel 306 which are meshed with each other, the third-stage pinion 305 and the second-stage gearwheel 304 are coaxially arranged, and the rotating axes of the third-stage pinion 305 and the third-stage gearwheel 306 are parallel;

the fourth reduction gear set comprises a fourth-stage pinion gear 307 and a fourth-stage gearwheel 308 which are meshed with each other, the fourth-stage pinion gear 307 and the third-stage gearwheel 306 are coaxially arranged, and the rotating axes of the fourth-stage pinion gear 307 and the fourth-stage gearwheel 308 are parallel;

the fifth reduction gear set comprises a fifth-stage pinion 309 and a fifth-stage bull gear 310 which are meshed with each other, the fifth-stage pinion 309 and the fourth-stage bull gear 308 are coaxially arranged, and the rotating axes of the fifth-stage pinion 309 and the fifth-stage bull gear 310 are parallel.

The low-power consumption drive controller 3 of this structure adopts the reduction gearing more than the level four can improve the speed reduction ratio, and driving motor 31 can adopt the high-speed motor 31 of low-power consumption, and high-speed motor is stable, rotor relative slew velocity is fast, and the back electromotive force of production is high, produces the restriction to operating current in the winding, and consumption current is little, and the comparison power saving. Therefore, when the door lock is applied to the door lock, the power consumption of the door lock and the noise in the using process are reduced, the service life of the full-automatic door lock is prolonged, and the situation that the full-automatic door lock is out of power is reduced.

In addition, the rotating axis of the power input end I is relatively vertical to the rotating axis of the power output end 0, namely, the driving motor 31 can be horizontally arranged in the direction of the rotating axis of the power output end 0, so that the space is saved; the power input end I and the power output end 0 are in bidirectional transmission, so that the influence of self-locking of the reduction transmission pair 32 on manual locking or unlocking of the door lock is avoided.

The device is characterized by further comprising a retaining tongue 11, a retaining tongue detection switch 12 and a latch tongue detection switch 13, wherein the latch tongue 5 and the retaining tongue 11 are elastically and telescopically arranged in the shell 1 through an elastic element 14, one ends of the latch tongue 5 and the retaining tongue 11 extend out of the shell 1, the other end of the latch tongue 5 is in transmission connection with a front latch tongue shifting fork 44 and is in movable contact fit with the latch tongue detection switch 13, the other end of the retaining tongue 11 is in movable contact with the retaining tongue detection switch 12, and the retaining tongue detection switch 12 and the latch tongue detection switch 13 are electrically connected with the driving controller 3 through an electric control plate 2; according to the structure, the check tongue detection switch 12 is triggered through the check tongue 11, so that the electric control board 2 can judge that the door lock is in a door closing state, and the driving controller 3 is triggered to start locking.

The lock bolt assembly is characterized by further comprising a gear swing arm 15 in transmission connection with the main lock bolt assembly 6 and a rack plate 16 in transmission connection with the auxiliary lock bolt assembly 7, wherein an arc-shaped tooth surface 151 is arranged on the gear swing arm 15, the arc-shaped tooth surface 151 is in transmission engagement with a second tooth surface 432, a linear tooth surface 161 is arranged on the rack plate 16, and the linear tooth surface 161 is in transmission engagement with a first tooth surface 431; be connected with reset torsion spring 17 between gear swing arm 15 and the casing 1, when making the lock outage, the user can carry out automatic re-setting after opening the lock through handle or lock core.

The main bolt assembly 6 comprises a main bolt pulling plate 601 and a plurality of main bolts 602 connected to the main bolt pulling plate 601, and the swinging end of the gear swinging arm 15 is in transmission connection with the main bolt pulling plate 601; the auxiliary lock tongue assembly 7 comprises a transmission connecting rod 701, an auxiliary lock tongue pulling plate 702 and a plurality of auxiliary lock tongues 703 connected to the auxiliary lock tongue pulling plate 702, wherein two ends of the transmission connecting rod 701 are movably connected with the auxiliary lock tongue pulling plate 702, and one end of the transmission connecting rod 701 is in transmission connection with the end part of the rack plate 16.

The locking mechanism further comprises an unlocking rod 18 and a rear oblique tongue shifting fork 45, wherein the unlocking rod 18 is connected to the main lock tongue assembly 6 in a sliding mode, the rear oblique tongue shifting fork 45 is rotatably arranged on the shifting wheel 41 and is in transmission connection with the oblique tongue 5, an unlocking push rod 451 matched with the unlocking rod 18 in a pushing mode is arranged on the rear oblique tongue shifting fork 45, and a reset spring 19 is arranged between the unlocking push rod 451 and the main lock tongue assembly 6; the unlocking rod 18 is used for being matched with the lock cylinder, so that a user can drive the unlocking rod 18 to move to realize unlocking action when the lock cylinder is driven by a key outside a door.

The working principle is as follows: referring to fig. 1 and 2, in an open state diagram (i.e. a state when a door body is opened) of a full-automatic heavy-duty electronic door lock, when the door is closed, a retaining tongue 11 is pressed by a door frame to elastically retract until a retaining tongue detection switch 12 is touched, the retaining tongue detection switch 12 feeds back a signal to an electronic control board 2, and at the same time, a latch bolt 5 extends, a state of a latch bolt detection switch 13 is also changed and sends a signal to the electronic control board 2, a driving controller 3 is started, a motor 31 in the driving controller 3 rotates forward and outputs power to a latch bolt driving gear 33 through a reduction transmission pair 32, the latch bolt driving gear 33 drives a driving gear 42 to rotate clockwise, so as to drive a linkage gear 43 to rotate clockwise, and drive an auxiliary latch bolt 703 and a main latch bolt 602 in an auxiliary latch bolt assembly 7 and a main latch bolt assembly 6 to extend out of a housing 1 through a first tooth surface 431 and a second tooth surface 432, the door body is locked through the auxiliary lock tongue 703 and the main lock tongue 602, when the main lock tongue assembly 6 extends out, the second trigger part 10 triggers the in-place detection switch 23, the in-place detection switch 23 feeds back a locked in-place signal to the electric control board 2, the electric control board 2 controls the motor 31 to stop working, after waiting for a certain time, the electric control board 2 automatically controls the motor 31 to rotate reversely, and drives the driving gear 42 to rotate counterclockwise by a certain angle until the first trigger part 423 of the driving gear 42 triggers the reset detection switch 21 (since the shift lever 421 has a section of moving space in the first arc-shaped limiting groove 433 which is not in transmission with the linkage gear 43, the linkage gear 43 is not driven to rotate in the process that the driving gear 42 rotates to the first trigger part 423 to touch the reset detection switch 21), and the door closing operation is completed.

In a door closing state: when a door opening instruction is input, the electric control board 2 controls the motor 31 to rotate in the reverse direction, the bolt driving gear 33 drives the driving gear 42 to rotate counterclockwise, the shift lever 421 on the driving gear 42 simultaneously pushes the linkage gear 43 and the front latch fork 44 to rotate counterclockwise (in the locked state, the first arc-shaped limiting groove 433 and the second arc-shaped limiting groove 441 are correspondingly arranged up and down, and after the driving gear 42 is reset, the shift lever 421 abuts against the groove side walls of the first arc-shaped limiting groove 433 and the second arc-shaped limiting groove 441, the linkage gear 43 and the front latch fork 44 can be driven to move instantly at the moment of driving of the motor 31), the motion of the linkage gear 43 drives the main bolt 602 and the auxiliary bolt 703 to be locked, and the motion of the front latch fork 44 drives the latch 5 to retract, at the moment, the second trigger part 10 triggers the front in-position detection switch 22, and the front in-position detection switch 22 feeds back an unlocking in-position signal to the electric control board 2, stop motor 31 and rotate, at this moment, the user can open the door, wait for a certain period of time after, automatically controlled board 2 automatic control motor 31 forward rotation drives driving gear 42 clockwise to revolve certain angle, until driving gear 42's first trigger part 423 triggers reset detection switch 21 once more, latch bolt 5 is under the top pushing effort that does not have driving lever 421, elastic element 14 (adopt spring structure in this embodiment) rare discharge energy storage back, promote latch bolt 5 once more and stretch out outside casing 1 to latch bolt shift fork 44 resets before driving.

In addition, when the door is unlocked, a user can drive the dial wheel 41 to rotate anticlockwise through the handle, the unlocking push block 413 of the dial wheel 41 abuts against the first blocking surface 434 and the second blocking surface 442, so that the linkage gear 43 and the front oblique tongue shifting fork 44 are driven to rotate anticlockwise, the movement of the linkage gear 43 drives the main lock tongue 602 and the auxiliary lock tongue 703 to retract, and the movement of the front oblique tongue shifting fork 44 drives the oblique tongue 5 to retract, and at the moment, the user can open the door.

When the door is unlocked outside the door, a lock cylinder (the position marked with A in the drawing is a lock hole for installing the lock cylinder) is installed on the door lock, a user inserts a key to rotate the lock cylinder, the lock cylinder pushes the unlocking rod 18 and the unlocking convex part 152 in the gear swing arm 15, so that the unlocking rod 18 slides upwards to push the unlocking push rod 451 and the gear swing arm 15 to swing, the movement of the unlocking push rod 451 drives the rear latch bolt shifting fork 45 to rotate, the latch bolt 5 retracts, the movement of the gear swing arm 15 drives the linkage gear 43 to rotate, the main latch bolt 602 and the auxiliary latch bolt 703 retract, and at the moment, the user can open the door.

The foregoing is a preferred embodiment of the present invention, and the basic principles, main features and advantages of the present invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. Full-automatic heavy electronic lock, which comprises a housin, be provided with automatically controlled board, drive controller in the casing, the fork assembly of unblanking, latch bolt, main spring bolt subassembly and supplementary spring bolt subassembly, drive controller and automatically controlled board electric connection and through the motion of fork assembly drive main spring bolt subassembly and supplementary spring bolt subassembly of unblanking, its characterized in that: the unlocking shifting fork assembly comprises a shifting wheel, a driving gear, a linkage gear and a front oblique tongue shifting fork, wherein the driving gear, the linkage gear and the front oblique tongue shifting fork are rotatably arranged on the shifting wheel, the driving gear is in transmission connection with an output end of a driving controller, the front oblique tongue shifting fork is in transmission connection with an oblique tongue, a first tooth surface and a second tooth surface are arranged on the linkage gear, and the first tooth surface and the second tooth surface are in transmission connection with an auxiliary lock tongue assembly and a main lock tongue assembly respectively.

2. The fully automatic heavy duty electronic door lock of claim 1, wherein: the linkage gear is a sector gear, double layers of arc tooth surfaces are arranged on the sector gear, the two layers of arc tooth surfaces are arranged in a staggered mode, the upper layer of arc tooth surface forms a first tooth surface, and the lower layer of arc tooth surface forms a second tooth surface.

3. The fully automatic heavy duty electronic door lock of claim 1, wherein: the driving gear is provided with a shifting rod, a first arc-shaped limiting groove and a second arc-shaped limiting groove are formed in the linkage gear and the front oblique tongue shifting fork respectively and correspond to the shifting rod, and the driving gear is matched with the first arc-shaped limiting groove and the second arc-shaped limiting groove through the shifting rod and is in transmission connection with the linkage gear and the front oblique tongue shifting fork.

4. The fully automatic heavy duty electronic door lock of claim 1, wherein: the driving gear is a sector gear, an arc-shaped limiting through groove is formed in the sector gear in the swinging direction, a fixed limiting pin is arranged in the shell corresponding to the arc-shaped limiting through groove, and an arc-shaped limiting groove is formed in the thumb wheel corresponding to the fixed limiting pin.

5. The fully automatic heavy duty electronic door lock of claim 1, wherein: the shifting wheel is provided with a shaft hole used for being in transmission connection with an inner door handle, the shifting wheel is provided with an unlocking push block, and the linkage gear and the front oblique tongue shifting fork are respectively provided with a first blocking surface and a second blocking surface corresponding to the unlocking push block.

6. The fully automatic heavy duty electronic door lock of claim 1, wherein: a reset detection switch is arranged on the electric control plate, and a first trigger part which is in trigger fit with the reset detection switch is arranged on the driving gear; the electric control board is further provided with a front in-place detection switch and a rear in-place detection switch which are used for detecting the state of the door lock along the motion direction of the main spring bolt assembly, and the main spring bolt assembly comprises a second trigger part which is in place with the front in-place detection switch or the rear in-place detection switch to trigger the matching.

7. The fully automatic heavy duty electronic door lock of claim 1, wherein: the driving controller comprises a motor and a gear box, a power input end and a power output end are arranged in the gear box, more than four stages of reduction transmission pairs are arranged between the power input end and the power output end, the rotating axis of the power input end is perpendicular to the rotating axis of the power output end, and the power input end and the power output end are in bidirectional transmission.

8. The fully automatic heavy duty electronic door lock of claim 7, wherein: the speed reduction transmission pair is a five-stage speed reduction transmission pair, the five-stage speed reduction transmission pair comprises a first reversing speed reduction gear set, a second speed reduction gear set, a third speed reduction gear set, a fourth speed reduction gear set and a fifth speed reduction gear set which are sequentially transmitted, the first reversing speed reduction gear set is used as a power input end, and the fifth speed reduction gear set is used as a power output end and is in transmission connection with the lock tongue driving gear; the lock tongue driving gear is in transmission engagement with the driving gear.

9. The fully automatic heavy duty electronic door lock of claim 1, wherein: the anti-slip device is characterized by further comprising a retaining tongue, a retaining tongue detection switch and a latch tongue detection switch, wherein the latch tongue and the retaining tongue are elastically and telescopically arranged in the shell through elastic elements, one end of the latch tongue and one end of the retaining tongue extend out of the shell, the other end of the latch tongue is in transmission connection with a front latch tongue shifting fork and in movable contact fit with the latch tongue detection switch, the other end of the retaining tongue abuts against the movable contact of the retaining tongue detection switch, and the retaining tongue detection switch and the latch tongue detection switch are electrically connected with the driving controller through an electric control board.

10. The fully automatic heavy duty electronic door lock of claim 1, wherein: the gear swing arm is connected with the transmission of the main lock tongue assembly, the rack plate is connected with the transmission of the auxiliary lock tongue assembly, an arc tooth surface is arranged on the gear swing arm, the arc tooth surface is meshed with the transmission of the second tooth surface, a linear tooth surface is arranged on the rack plate, and the linear tooth surface is meshed with the transmission of the first tooth surface.