CN218234673U - Door lock and quick unlocking structure thereof - Google Patents

Abstract

The utility model discloses a door lock and a quick unlocking structure thereof, wherein the quick unlocking structure comprises a lock shell, a main spring bolt component, a main spring bolt switch piece, an oblique spring bolt component and an oblique spring bolt switch mechanism; the main spring bolt switch piece can be rotatably matched in the lock shell and controls the main spring bolt assembly to unlock and lock; the latch bolt switch mechanism is provided with a handle connecting piece used for connecting an indoor handle, the handle connecting piece controls the latch bolt assembly to be unlocked and locked, and the handle connecting piece is also linked with the main spring bolt switch piece to enable the handle connecting piece to control the main spring bolt assembly to be unlocked and locked through the main spring bolt switch piece. The utility model discloses can make the user can drive main spring bolt subassembly and latch bolt subassembly through rotating indoor handle and unblank to convenience of customers opens the door indoor fast.

Description

Door lock and quick unlocking structure thereof

Technical Field

The utility model relates to a lock field especially indicates a lock and quick unlocking structure thereof.

Background

At present, the household door lock on the market mostly realizes the unblanking of main spring bolt subassembly through knob drive lock core indoor, if like this if the main spring bolt subassembly and the latch bolt subassembly of door lock close the lock, the user is in the room and want to go out at this moment, then the user then need rotate knob unblock main spring bolt subassembly earlier, twists indoor handle and unblock the latch bolt subassembly, needs two steps to open the door totally, and the operation is complicated relatively.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lock and quick unlocking structure thereof to overcome not enough among the prior art.

In order to achieve the above purpose, the solution of the present invention is:

a quick unlocking structure comprises a lock shell, a main spring bolt assembly, a main spring bolt switch piece, an oblique spring bolt assembly and an oblique spring bolt switch mechanism; the main spring bolt assembly comprises a main spring bolt and a spring bolt seat connected with the main spring bolt, the spring bolt seat can be in translational fit in the lock shell, and the spring bolt seat is provided with a push-pull track; the main spring bolt switch piece is rotatably matched in the lock shell and is provided with a push-pull part in sliding connection with the push-pull track; when the main bolt switching piece rotates to enable the push-pull part to slide on the push-pull track, the main bolt switching piece drives the bolt seat to translate; the latch bolt component is matched with the lock shell; latch bolt switch mechanism includes first latch bolt switch spare, the handle connecting piece, handle interlock spare and handle piece that resets, first latch bolt switch spare, the rotatable cooperation of handle connecting piece and handle interlock spare is in the lock shell, first latch bolt switch spare activity pushes away to the latch bolt subassembly and drive the latch bolt subassembly and unblank and close the lock, the handle connecting piece is set up to drive first latch bolt switch spare and handle interlock spare and rotates, handle interlock spare slides with main spring bolt switch spare and articulates, handle reset piece cooperatees with the handle connecting piece and is used for ordering about the handle connecting piece and rotates and reset.

The quick unlocking structure also comprises a driving motor and a clutch transmission mechanism; the driving motor is arranged in the lock shell; the clutch transmission mechanism comprises a clutch seat, a driving gear, a driven gear and a clutch reset piece, the clutch seat and the driving gear are respectively rotatably arranged in the lock shell, the driving gear is in transmission fit with an output shaft of the driving motor, the driven gear is rotatably arranged in the clutch seat, the driven gear is in transmission fit with the main spring bolt switch piece and is movably meshed with the driving gear, and the clutch reset piece is matched in the lock shell and is used for driving the clutch seat to reset; the handle connecting piece is provided with a handle cam, and the handle cam is movably pushed against the clutch seat to control whether the driven gear is meshed with the driving gear or not.

The clutch transmission mechanism further comprises a transmission gear, the transmission gear is rotatably matched with the clutch seat and meshed with the driven gear, the rotating center of the transmission gear and the rotating center of the clutch seat are coaxially arranged, and the driven gear is in transmission fit with the main spring bolt switch piece through the transmission gear.

The clutch transmission mechanism further comprises a latch bolt gear, the latch bolt gear is in transmission fit with the driving gear, the latch bolt gear is matched with a traction piece, the traction piece is in circumferential movable limit fit with the latch bolt gear, and the traction piece is in sliding hinge joint with the first latch bolt switch piece.

The lock tongue seat is also provided with an arc-shaped track connected with the tail end of the push-pull track, and the push-pull part of the main lock tongue switch part is in sliding connection with the arc-shaped track; when the push-pull part of the main spring bolt switch part is in sliding connection with the arc-shaped track, the circle center of the arc-shaped track is exactly positioned at the rotating center of the main spring bolt switch part, and meanwhile, the latch bolt gear drives the first latch bolt switch part to rotate through the traction part, so that the first latch bolt switch part pushes against the latch bolt component.

The traction piece is in circumferential movable limit fit with the oblique tongue gear.

The handle connecting piece is in circumferential movable limit fit with the first latch switch piece; the latch bolt switch mechanism further comprises a first latch bolt resetting piece, and the first latch bolt resetting piece is matched with the first latch bolt switch piece and is used for driving the first latch bolt switch piece to rotate and reset.

The quick unlocking structure also comprises a lock cylinder; the lock cylinder is arranged on the lock shell and is provided with a rotatable lock cylinder cam; the main spring bolt switch piece is also provided with a toggle part, and the lock core cam is movably pushed against the toggle part of the main spring bolt switch piece; the latch switch mechanism also comprises a second latch switch piece and a lock core linkage piece, the second latch switch piece is rotatably matched in the lock shell, the rotation center of the second latch switch piece can be coaxially arranged with the rotation center of the first latch switch piece, the second latch switch piece is movably pushed against the latch component to drive the latch component to unlock and lock, the lock core linkage piece can be movably matched in the lock shell, the lock core linkage piece is movably pushed against the second latch switch piece to drive the second latch switch piece to rotate or not, and the lock core cam is movably pushed against the lock core linkage piece to drive the lock core linkage piece to move or not.

The oblique tongue component comprises an oblique tongue seat, an oblique tongue, a stop piece and a stop reset piece; the inclined tongue seat is arranged in the lock shell, the inclined tongue is hinged with the inclined tongue seat, an inclined tongue hole for the movement of the inclined tongue is formed in the lock shell corresponding to the inclined tongue, the inclined tongue is provided with a stopping part, an inclined tongue reset torsion spring is arranged between the inclined tongue and the inclined tongue seat, the stopping part is connected with the inclined tongue seat in a sliding mode and movably clamped against the stopping part, and the stopping reset part is matched with the stopping part and used for driving the stopping part to reset; the first inclined tongue switch piece and the second inclined tongue switch piece movably push against the stop piece.

A door lock including a quick release mechanism as described above.

After the technical scheme is adopted, the utility model discloses a handle connecting piece is used for connecting indoor handle, and the user can rotate through indoor handle drive handle connecting piece, and the rotation of handle connecting piece can drive first latch bolt switching piece and handle interlock piece and rotate for first latch bolt switching piece pushes away to the latch bolt subassembly and drives the latch bolt subassembly and unblank, and makes handle interlock piece drive main spring bolt switching piece and rotate, and then makes main spring bolt switching piece order about the translation of spring bolt seat and drive main spring bolt subassembly and unblank. According to the aforesaid, the utility model discloses can make the user can drive main spring bolt subassembly and latch bolt subassembly through rotating indoor handle and unblank to convenience of customers opens the door indoor fast.

Drawings

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

FIG. 2 is a schematic structural diagram of the present invention 2;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic structural diagram of a clutch transmission mechanism 1 according to the present invention;

FIG. 5 is a schematic structural diagram of a clutch transmission mechanism of the present invention, shown in FIG. 2;

fig. 6 is a schematic structural view of the main bolt assembly of the present invention;

FIG. 7 is a schematic structural view of the latch assembly of the present invention;

FIG. 8 is a cross-sectional view of the skew tongue assembly of the present invention;

FIG. 9 is a schematic view of a portion of the present invention in FIG. 1;

FIG. 10 is a partial schematic view of the present invention in FIG. 2;

FIG. 11 is a partial schematic view of the present invention (main bolt assembly and deadbolt assembly lock);

FIG. 12 is a partial schematic view of the present invention (main bolt assembly and deadbolt assembly lock);

fig. 13 is a partial structural schematic view of the present invention, fig. 5 (handle quick unlock);

fig. 14 is a partial structural schematic view 6 of the present invention (handle quick unlock);

FIG. 15 is a partial schematic view of the present invention in FIG. 7 (clutch actuator disengaged);

FIG. 16 is a partial schematic view of the present invention (clutch actuator disengaged) in FIG. 8;

FIG. 17 is a partial schematic view of the present invention (manual key unlock);

FIG. 18 is a partial schematic view of the present invention in a configuration 10 (manual key unlock);

fig. 19 is a partial structural schematic view 11 of the present invention (electronic unlocking);

fig. 20 is a partial schematic view of the present invention (electronic unlocking);

description of reference numerals:

a lock shell 1, a lock tongue hole 11, an inclined tongue hole 12, a guide hole 13,

main bolt assembly 2, main bolt 21, bolt housing 22, push-pull rail 221, arc rail 222,

a main bolt switch 3, a push-pull part 31, a toggle part 32,

the latch bolt assembly 4, the latch bolt 41, the stopper portion 411, the latch bolt seat 42, the connector 4201, the support upper cover 4202, the support lower cover 4203, the slide hole 421, the stopper 43, the primary stopper seat 431, the secondary stopper 432, the stopper return member 44, the latch bolt return torsion spring 45, the pulley 46, the roller 47,

a latch bolt switch mechanism 5, a first latch bolt switch part 51, a handle connecting part 52, a handle linkage part 53, a handle reset part 54, a first latch bolt reset part 55, a second latch bolt switch part 56, a lock core linkage part 57,

the motor (6) is driven and,

clutch transmission mechanism 7, clutch seat 71, guide column 711, driving gear 72, driven gear 73, clutch reset piece 74, transmission gear 75, latch gear 76, traction piece 77, sliding seat 78,

lock cylinder 8, lock cylinder cam 81.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1 to 20, the utility model discloses a door lock, it is including the quick unlocking structure, and this quick unlocking mechanism can make the user can be through rotating indoor handle and unblock main spring bolt subassembly and oblique spring bolt subassembly to convenience of customers opens the door indoor fast.

In the utility model, the quick unlocking structure of the utility model comprises a lock shell 1, a main spring bolt component 2, a main spring bolt switch piece 3, a latch bolt component 4 and a latch bolt switch mechanism 5; the main bolt assembly 2 comprises a main bolt 21 and a bolt seat 22 connected with the main bolt 21, the bolt seat 22 can be translationally matched in the lock case 1, the bolt seat 22 is provided with a push-pull track 221, and the lock case 1 can be provided with a bolt hole 11 corresponding to the main bolt 21 for the main bolt 21 to go in and out; the main bolt switch 3 is rotatably matched in the lock shell 1, the main bolt switch 3 is provided with a push-pull part 31 in sliding connection with the push-pull track 221, and when the main bolt switch 3 rotates to enable the push-pull part 31 to slide on the push-pull track 221, the main bolt switch 3 drives the bolt seat 2 to translate to control the main bolt assembly 2 to unlock and lock; the latch bolt assembly 4 is matched with the lock shell 1, the latch bolt switch mechanism 5 comprises a first latch bolt switch part 51, a handle connecting part 52, a handle linkage part 53 and a handle reset part 54, the first latch bolt switch part 51, the handle connecting part 52 and the handle linkage part 53 are matched with the lock shell in a rotatable mode, the first latch bolt switch part 51 pushes against the latch bolt assembly 4 in a movable mode to drive the latch bolt assembly 4 to be unlocked and locked, the handle connecting part 52 is set to drive the first latch bolt switch part 51 and the handle linkage part 53 to rotate, the handle linkage part 53 is hinged with the main latch bolt switch part 3 in a sliding mode to enable the linkage part 53 to drive the main latch bolt switch part 3 to rotate, the handle reset part 54 is matched with the handle connecting part 52 and used for driving the handle connecting part 52 to rotate and reset, and the handle reset part 54 can adopt a torsion spring.

The utility model discloses in, handle connecting piece 52 is used for connecting indoor handle, and the user can rotate through indoor handle drive handle connecting piece 52, and the rotation of handle connecting piece 52 can drive first latch bolt switch 51 and the rotation of handle interlock piece 53 for first latch bolt switch 51 pushes away to latch bolt subassembly 4 and drive latch bolt subassembly 4 and unblank, and makes handle interlock piece 53 drive main spring bolt switch 3 and rotate, and then makes main spring bolt switch 3 order about the translation of spring bolt seat 22 and drive main spring bolt subassembly 2 and unblank. Can know by the aforesaid, the utility model discloses can make the user can drive main spring bolt subassembly 2 and latch bolt subassembly 4 through rotating indoor handle and unblank, realized that the handle unblanks fast to convenience of customers opens the door indoor fast.

In the utility model, the door lock of the utility model can be an electronic door lock, so the quick unlocking structure also comprises a driving motor 6 and a clutch transmission mechanism 7; the driving motor 6 is arranged in the lock shell 10; the clutch transmission mechanism 7 comprises a clutch seat 71, a driving gear 72, a driven gear 73 and a clutch reset piece 74, the clutch seat 71 and the driving gear 72 are respectively rotatably installed in the lock case 1, the driving gear 72 is in transmission fit with an output shaft of the driving motor 6, the driven gear 73 is rotatably installed in the clutch seat 71, the driven gear 73 is in transmission fit with the main bolt switch piece 3, the driven gear 73 is movably engaged with the driving gear 72, the clutch reset piece 74 is fitted in the lock case 1 and used for driving the clutch seat 71 to reset, and the clutch composite piece 74 can adopt a torsion spring; the driving motor 6 drives the driven gear 73 to rotate through the driving gear 72, and the driven gear 73 further drives the main bolt switch member 3 to rotate so as to drive the main bolt assembly 2 to perform electronic unlocking and electronic locking. Handle connecting piece 52 can be equipped with handle cam 521, handle cam 521 activity is pushed to separation and reunion seat 71 and is controlled driven gear 73 and driving gear 72 and is engaged with or not, like this the utility model discloses rotating handle connecting piece 52 and controlling the in-process that main bolt subassembly 2 and latch bolt subassembly 4 unblanked, handle cam 521 can push to separation and reunion seat 71 and make separation and reunion seat 71 drive driven gear 73 rotate, so that driven gear 73 and driving gear 72 remove the engaged state and make separation and reunion drive mechanism 7 be in the detached state, make the rotation of handle connecting piece 52 receive the resistance of separation and reunion drive mechanism 7 little like this, can convenience of customers unblanks through handle connecting piece 52 fast, improve user's experience of unblanking.

The utility model discloses in, separation and reunion drive mechanism 7 still includes drive gear 75, and drive gear 75 is rotatable to be cooperated in separation and reunion seat 71 and drive gear 75 meshes with driven gear 73, and drive gear 75's rotation center sets up with separation and reunion seat 71's rotation center is coaxial, and driven gear 73 passes through drive gear 75 and the transmission cooperation of main spring bolt switch spare 3, but drive gear 75 and main spring bolt switch spare 3 coaxial coupling. The utility model discloses because drive gear 36's rotation center and the coaxial setting of the rotation center of separation and reunion seat 71, drive gear 36 can not rotate and remove along with separation and reunion seat 71 like this, and then makes separation and reunion seat 71's rotation can not cause the interference to main spring bolt subassembly 2 and main spring bolt switch spare 3.

In the utility model, the clutch transmission mechanism 7 further comprises a latch bolt gear 76, the latch bolt gear 76 is in transmission fit with the driving gear 72, the latch bolt gear 76 is matched with a traction piece 77, the traction piece 77 is in circumferential movable limit fit with the latch bolt gear 76, and the traction piece 77 is in sliding hinge joint with the first latch bolt switch piece 51; thus, when the driving motor 6 works, the driving gear 72 drives the latch bolt gear 76 to rotate, and the latch bolt gear 76 further drives the first latch bolt switch member 51 to rotate through the traction member 77, so that the first latch bolt switch member 51 movably pushes against the latch bolt assembly 4 to drive the latch bolt assembly 4 to unlock and lock. The bolt seat 22 is further provided with an arc-shaped track 222 connected with the tail end of the push-pull track 221, and the push-pull part 31 of the main bolt switch part 3 is in sliding connection with the arc-shaped track 222; when the push-pull portion 31 of the main bolt switch 3 is in sliding connection with the arc-shaped rail 222, the circle center of the arc-shaped rail 222 is exactly located at the rotation center of the main bolt switch 3, so that the main bolt switch 3 does not drive the bolt seat 22 to translate (i.e. the rotation of the main bolt switch 3 is idle stroke), and meanwhile, the latch bolt gear 76 drives the first latch bolt switch 51 to rotate through the traction piece 77, so that the first latch bolt switch 51 pushes against the latch bolt assembly 4 to drive the latch bolt assembly 4 to unlock; the utility model discloses so set up for main spring bolt switch piece 3 is little to spring bolt seat 22 application of force when first latch bolt switch piece 51 pushes away to latch bolt subassembly 4, thereby makes the utility model discloses power requirement to driving motor 6 is low for driving motor 6 can adopt small, low-cost low-power motor. The traction piece 77 can be in limited fit with the latch bolt gear 76 in a circumferential movable way, so that when the push-pull part 31 of the main latch bolt switch piece 3 is in sliding connection on the push-pull track 221, the latch bolt gear 76 does not drive the traction piece 77 to rotate and does not drive the first latch bolt switch piece 51 to rotate, and the power requirement on the driving motor 6 is reduced; in addition, in the process of controlling the main bolt assembly 2 and the latch bolt assembly 4 to unlock by rotating the handle connecting piece 52, the traction piece 77 can not drive the latch bolt gear 76 to rotate, so that the resistance of the clutch transmission mechanism 7 on the rotation of the handle connecting piece 52 is small; the traction piece 38 can be sleeved with the latch bolt gear 37, the traction piece 38 is provided with a traction opening, and the latch bolt gear 37 is provided with a traction sliding block which is in sliding connection with the traction opening, so that the latch bolt gear 37 and the traction piece 38 are in limited fit with the circumferential movement.

In the utility model, the handle connecting piece 52 is in circumferential movable limit fit with the first latch bolt switch piece 51, so that the first latch bolt switch piece 51 can rotate a certain angle relative to the handle connecting piece 52, thus the utility model discloses when the driving motor 6 drives the first latch bolt switch piece 51 to rotate and makes the first latch bolt switch piece 51 push against the latch bolt assembly 4, the first latch bolt switch piece 51 rotates relative to the handle connecting piece 52 at this moment and does not drive the handle connecting piece 52 to rotate, thereby the utility model has low power requirement on the driving motor 6, and the driving motor 6 can adopt a low-power motor with small volume and low cost; the first latch bolt switch piece 51 can be sleeved with the handle connecting piece 52, the first latch bolt switch piece 51 is provided with a first opening, and the handle connecting piece 52 is provided with a first sliding block in sliding connection with the first opening, so that the handle connecting piece 52 and the first latch bolt switch piece 51 are in limited fit with the circumferential movement. The latch bolt switching mechanism 4 further comprises a first latch bolt resetting piece 55, the first latch bolt resetting piece 55 is matched with the first latch bolt switching piece 51 and is used for driving the first latch bolt switching piece 51 to rotate and reset, and the first latch bolt resetting piece 51 can adopt a torsion spring.

In the utility model, the quick unlocking structure also comprises a lock core 8; the lock cylinder is arranged on the lock shell 1, and the lock cylinder 8 is provided with a rotatable lock cylinder cam 81; the main bolt switch 3 is also provided with a toggle part 32, and the lock cylinder cam 81 movably pushes against the toggle part 32 of the main bolt switch 3 to drive the main bolt switch 3 to rotate so as to realize manual key unlocking and manual key locking of the main bolt assembly 2; the latch switch mechanism 4 further comprises a second latch switch 56 and a lock cylinder linkage 57, the second latch switch 56 is rotatably fitted in the lock case 1, a rotation center of the second latch switch 56 is coaxially arranged with a rotation center of the first latch switch 51, the second latch switch 56 movably pushes the latch assembly 4 to drive the latch assembly 4 to unlock and lock, the lock cylinder linkage 57 is translatably fitted in the lock case 1, the lock cylinder linkage 57 movably pushes the second latch switch 56 to drive the second latch switch 56 to rotate or not, and the lock cylinder cam 81 movably pushes the lock cylinder linkage 57 to drive the lock cylinder linkage 57 to translate or not. The utility model discloses a lock core cam 81 activity is pushed to lock core interlock piece 57 and is driven lock core interlock piece 57 translation, and then makes lock core interlock piece 57 activity push to second latch bolt switch piece 56 and drive second latch bolt switch piece 56 and rotate for second latch bolt switch piece 56 activity pushes to latch bolt subassembly 4 and drive latch bolt subassembly 4 and carry out manual key and unblank and manual key and close the lock. The lock cylinder linkage 57 is specifically matched with the lock tongue seat 22 in a translation manner, and when the lock cylinder cam 81 drives the main lock tongue assembly 2 to unlock, the lock cylinder cam 81 drives the latch bolt assembly 4 to unlock. The clutch transmission mechanism 7 further comprises a sliding seat 78, the sliding seat 78 is movably fitted in the lock case 1, the sliding seat 78 movably pushes the clutch seat 71 to control whether the driven gear 73 is meshed with the driving gear 72 or not, and the lock cylinder cam 81 movably pushes the sliding seat 78 to control whether the sliding seat 78 is pushed against the clutch seat 71 or not, so that the lock cylinder cam 81 rotates to push the sliding seat 78 in the process of manually unlocking the lock by the emergency key, and the sliding seat 78 pushes the clutch seat 71 to drive the driven gear 73 to rotate, so that the driven gear 73 is disengaged from the driving gear 72 to enable the clutch transmission mechanism 7 to be in a disengaged state, and thus the rotation of the lock cylinder 8 is subjected to small resistance of the driving motor 6 and the clutch transmission mechanism 7 (namely, the manual key unlocking resistance is small), so that a user can conveniently unlock the lock by the manual key, and the manual key unlocking experience of the user is improved; meanwhile, the situation that manual key unlocking cannot be carried out due to the fact that the lock cylinder 8 is large in rotation resistance when the driving motor 6 is burnt out or is stuck can be prevented.

In the present invention, the latch bolt assembly 4 may include a latch bolt seat 42, a latch bolt 41, a stop member 43 and a stop return member 44; the inclined tongue seat 42 is installed in the lock shell 1, the inclined tongue 41 is hinged with the inclined tongue seat 4, the lock shell 1 is provided with an inclined tongue hole 12 corresponding to the inclined tongue 41 and used for moving the inclined tongue 41, the inclined tongue 41 is provided with a stopping part 411, an inclined tongue reset torsion spring 45 is arranged between the inclined tongue 41 and the inclined tongue seat 42, the inclined tongue reset torsion spring 45 is used for driving the inclined tongue 41 to rotate and reset, the stopping part 43 is connected with the inclined tongue seat 42 in a sliding mode, the stopping part 43 is movably clamped against the stopping part 411, the stopping reset part 44 is matched with the stopping part 43 and used for driving the stopping part 43 to reset, and the stopping part 43 is clamped against the stopping part 411 to limit the rotation of the inclined tongue 41 when the stopping part 43 is reset, so that the inclined tongue component 4 is locked; the first latch switch 51 and the second latch switch 52 push the stop member 43 to move, so that the stop member 43 releases the stop portion 411, and the latch assembly 4 is unlocked, and at this time, the latch 41 can rotate when abutting against the door frame, so that the latch 41 can enter and exit the lock hole on the door frame. The stopping portion 411 of the latch tongue 41 may be installed with a pulley 46, the pulley 46 slidably contacts the stopping portion 43, so that the frictional resistance between the stopping portion 43 and the latch tongue 41 is small, which is further beneficial to the first latch tongue switch 51 and the second latch tongue switch 52 to more laborsavingly push the stopping portion 43 to move, thereby making the utility model have low power requirement on the driving motor 6, so that the driving motor 6 may adopt a low-power motor with small volume and low cost; the stop member 43 can be provided with a roller 47, the roller 47 is in sliding contact with the latch bolt seat 42, so that the frictional resistance between the stop member 43 and the latch bolt seat 42 is small, and the first latch bolt switch member 51 and the second latch bolt switch member 52 can push the stop member 43 to move in a labor-saving manner, thereby ensuring that the utility model has low power requirement on the driving motor 6, so that the driving motor 6 can adopt a low-power motor with small volume and low cost; the roller 47 and the pulley 46 can be respectively disposed on both sides of the stopping member 43, which facilitates the force balance on both sides of the stopping member 43 to make the stopping member 43 move smoothly. The oblique tongue seat 42 can be provided with a sliding hole 421 movably sleeved with the stop piece 43 so that the stop piece 43 is in sliding connection with the oblique tongue seat 42, and the roller 47 is in sliding contact with the inner wall of the sliding hole 421; the latch bolt seat 42 may include a connector 4201, a supporting upper cover 4202 and a supporting lower cover 4203, the supporting upper cover 4202 and the supporting lower cover 4201 are connected to the connector 4201, the sliding hole 421 is formed between the supporting upper cover 4202 and the supporting lower cover 4201, the latch bolt 41 is hinged to the connector 4201, and the latch bolt reset torsion spring 45 is disposed between the latch bolt 41 and the connector 4201, so that the latch bolt assembly 4 may be conveniently assembled; the stop member 43 may include a main stop member seat 431 and a sub stop member 432 that are detachably connected, the main stop member 431 is slidably connected to the latch tongue seat 42 and movably engaged with the stop portion 411, the roller 47 is mounted on the main stop member 431, and the first latch tongue switch member 51 and the second latch tongue switch member 52 movably push the sub stop member 432, so that the latch tongue 41, the latch tongue seat 42, and the main stop member 431 may be detachably connected to the sub stop member 432 as a latch tongue body, so that the latch tongue body may be mounted in a forward direction and a reverse direction with respect to the sub stop member 432, thereby controlling a mounting direction of the latch tongue 41, and the latch tongue assembly 4 may be applied to left-and right-opening door structures.

In the invention, the lock case 1 can comprise a front case 101 and a rear case 102 which are connected, and a space for accommodating the main bolt assembly 2, the main bolt switch piece 3, the latch bolt switch mechanism 5, the driving motor 6, the clutch transmission mechanism 7 and the lock cylinder 8 is formed between the front case 101 and the rear case 102; the lock shell 1 can be provided with an arc-shaped guide hole 13, the clutch seat 71 is provided with guide posts 711 which are in sliding contact with the guide hole 13, the guide posts 711 movably abut against two sides of the guide hole 13, the rotation of the clutch seat 71 can be guided through the matching of the guide posts 711 and the guide hole 13, so that the rotation track of the clutch seat 71 is accurate, meanwhile, the matching of the guide posts 711 and the guide hole 13 can limit the rotation position of the clutch seat 71, and the clutch seat 71 is further limited to a position where the driven gear 73 can be meshed with the driving gear 72.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims (10)

1. The utility model provides a quick unlocking structure which characterized in that: the lock comprises a lock shell, a main spring bolt component, a main spring bolt switch component, an oblique spring bolt component and an oblique spring bolt switch mechanism;

the main spring bolt assembly comprises a main spring bolt and a spring bolt seat connected with the main spring bolt, the spring bolt seat can be in translational fit in the lock shell, and the spring bolt seat is provided with a push-pull track;

the main spring bolt switch piece is rotatably matched in the lock shell and is provided with a push-pull part which is in sliding connection with the push-pull track; when the main bolt switching piece rotates to enable the push-pull part to slide on the push-pull track, the main bolt switching piece drives the bolt seat to translate;

the latch bolt component is matched with the lock shell;

latch bolt switch mechanism includes first latch bolt switch spare, the handle connecting piece, handle interlock spare and handle piece that resets, first latch bolt switch spare, the rotatable cooperation of handle connecting piece and handle interlock spare is in the lock shell, first latch bolt switch spare activity pushes away to the latch bolt subassembly and drive the latch bolt subassembly and unblank and close the lock, the handle connecting piece is set up to drive first latch bolt switch spare and handle interlock spare and rotates, handle interlock spare slides with main spring bolt switch spare and articulates, handle reset piece cooperatees with the handle connecting piece and is used for ordering about the handle connecting piece and rotates and reset.

2. The quick unlocking structure of claim 1, wherein: the device also comprises a driving motor and a clutch transmission mechanism;

the driving motor is arranged in the lock shell;

the clutch transmission mechanism comprises a clutch seat, a driving gear, a driven gear and a clutch reset piece, the clutch seat and the driving gear are respectively rotatably arranged in the lock shell, the driving gear is in transmission fit with an output shaft of the driving motor, the driven gear is rotatably arranged in the clutch seat, the driven gear is in transmission fit with the main spring bolt switch piece and is movably meshed with the driving gear, and the clutch reset piece is matched in the lock shell and is used for driving the clutch seat to reset;

the handle connecting piece is provided with a handle cam, and the handle cam is movably pushed against the clutch seat to control whether the driven gear is meshed with the driving gear or not.

3. The quick unlocking structure of claim 2, wherein: the clutch transmission mechanism further comprises a transmission gear, the transmission gear is rotatably matched with the clutch seat and meshed with the driven gear, the rotating center of the transmission gear and the rotating center of the clutch seat are coaxially arranged, and the driven gear is in transmission fit with the main spring bolt switch piece through the transmission gear.

4. The quick unlocking structure of claim 2, wherein: the clutch transmission mechanism further comprises a latch bolt gear, the latch bolt gear is in transmission fit with the driving gear, the latch bolt gear is matched with a traction piece, the traction piece is in circumferential movable limit fit with the latch bolt gear, and the traction piece is in sliding hinge joint with the first latch bolt switch piece.

5. The quick unlocking structure of claim 4, wherein: the lock tongue seat is also provided with an arc-shaped track connected with the tail end of the push-pull track, and the push-pull part of the main lock tongue switch part is in sliding connection with the arc-shaped track;

when the push-pull part of the main spring bolt switch part is in sliding connection with the arc-shaped track, the circle center of the arc-shaped track is exactly positioned at the rotating center of the main spring bolt switch part, and meanwhile, the latch bolt gear drives the first latch bolt switch part to rotate through the traction part, so that the first latch bolt switch part pushes against the latch bolt component.

6. The quick unlocking structure of claim 4, wherein: the traction piece is in circumferential movable limit fit with the oblique tongue gear.

7. The quick unlocking structure of claim 2, wherein: the handle connecting piece is in circumferential movable limit fit with the first latch switch piece; the latch bolt switch mechanism further comprises a first latch bolt resetting piece, and the first latch bolt resetting piece is matched with the first latch bolt switch piece and used for driving the first latch bolt switch piece to rotate and reset.

8. The quick unlocking structure of claim 1, wherein: the lock also comprises a lock cylinder; the lock cylinder is arranged on the lock shell and is provided with a rotatable lock cylinder cam;

the main spring bolt switch piece is also provided with a toggle part, and the lock core cam is movably pushed against the toggle part of the main spring bolt switch piece;

the latch switch mechanism also comprises a second latch switch piece and a lock core linkage piece, the second latch switch piece is rotatably matched in the lock shell, the rotation center of the second latch switch piece can be coaxially arranged with the rotation center of the first latch switch piece, the second latch switch piece is movably pushed against the latch component to drive the latch component to unlock and lock, the lock core linkage piece can be movably matched in the lock shell, the lock core linkage piece is movably pushed against the second latch switch piece to drive the second latch switch piece to rotate or not, and the lock core cam is movably pushed against the lock core linkage piece to drive the lock core linkage piece to move or not.

9. The quick unlocking structure of claim 8, wherein: the oblique tongue component comprises an oblique tongue seat, an oblique tongue, a stop piece and a stop reset piece; the inclined tongue seat is arranged in the lock shell, the inclined tongue is hinged with the inclined tongue seat, an inclined tongue hole for the movement of the inclined tongue is formed in the lock shell corresponding to the inclined tongue, the inclined tongue is provided with a stopping part, an inclined tongue reset torsion spring is arranged between the inclined tongue and the inclined tongue seat, the stopping part is connected with the inclined tongue seat in a sliding mode and movably clamped against the stopping part, and the stopping reset part is matched with the stopping part and used for driving the stopping part to reset;

the first latch bolt switch piece and the second latch bolt switch piece movably push against the stop piece.

10. A door lock, characterized in that: comprising a quick-release structure as claimed in any one of claims 1 to 9.

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