CN211313674U

CN211313674U - Rearmounted clutch of electronic lock

Info

Publication number: CN211313674U
Application number: CN201922298993.6U
Authority: CN
Inventors: 杨永红
Original assignee: Deshidun Shenzhen Technology Co ltd
Current assignee: Deshidun Shenzhen Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-21
Anticipated expiration: 2029-12-19

Abstract

The patent discloses a rear clutch of an electronic lock, which comprises a clutch mandrel (2), a clutch pin (3), a transmission assembly (4) and a return spring (5) which are arranged in a shell (1), wherein the shell (1) is arranged in a lock rear panel; a transmission sliding block (401) is arranged on the transmission assembly (4), the transmission sliding block (401) is linked with the clutch pin (3), and a one-way clamping groove (201) is arranged on the outer circumference of the clutch mandrel (2); the reset spring (5) enables the clutch mandrel (2) to automatically reset after acting; when the lock is closed, the transmission slide block (401) drives the clutch pin (3) to be combined on the one-way clamping groove (201); when the lock is unlocked, the transmission sliding block (401) is separated from the one-way clamping groove (201), and the handle is pulled to drive the lock tongue to unlock the lock. The advantages are that: the possibility that the lock is easily unlocked because the front panel is damaged can be effectively prevented; the cat eye unlocking prevention device has the characteristic of preventing the cat eye from unlocking; the front panel can save a large space.

Description

Rearmounted clutch of electronic lock

Technical Field

The patent relates to the technical field of electronic locks, in particular to a rear clutch of an electronic lock.

Background

The electronic lock is safe and convenient to use, the existing electronic lock is basically popularized, but the handle type electronic lock on the existing market mainly takes the front clutch as a main part, namely the electronic clutch part is placed in the front panel (outer panel), so that certain potential safety hazards exist in the configuration, when the front panel is damaged, the lock can be directly opened, and the safety is poor.

Disclosure of Invention

The purpose of this patent is exactly to design the rearmounted clutch of electronic lock, provides a clutch transmission who installs in the rear panel, places transmission in the door, and the front panel is information acquisition's device, does not participate in the drive of motor, has just so improved the security greatly when satisfying the electronic lock convenience.

The technical scheme of this patent is, a rearmounted clutch of electronic lock, characterized by: the lock comprises a clutch mandrel, a clutch pin, a transmission assembly and a return spring, which are arranged inside a shell, wherein the shell is arranged in a lock rear panel; the transmission assembly is provided with a transmission sliding block, is electrically connected with an unlocking controller arranged in the front panel and drives the transmission sliding block to act according to an unlocking control signal; the transmission slide block is linked with a clutch pin, the clutch pin is arranged in a chute in the shell, and a one-way clamping groove is arranged on the outer circumference of the clutch mandrel; the handle is connected with the clutch mandrel through the connecting shaft; the clutch core shaft is provided with a square shaft hole, is connected with a lock transmission square shaft through the square shaft hole and drives the lock tongue to act through the transmission square shaft; the reset spring enables the clutch core shaft to automatically reset after acting; when the lock is closed, the transmission slide block drives the clutch pin to extend out of the chute and be combined on the one-way clamping groove, and the clutch mandrel cannot rotate to the unlocking direction to unlock the lock; when the lock is unlocked, the transmission sliding block drives the clutch pin to retreat into the sliding chute to be disengaged from the one-way clamping groove on the clutch core shaft, then the handle is pulled, the clutch core shaft rotates towards the unlocking direction, and the lock tongue is driven to unlock the lock;

furthermore, the number of the one-way clamping grooves is two, the clutch mandrel is provided with reversing screws, when the lock needs to change the unlocking direction, the reversing screws are detached, the reversing screws can cancel the obstruction to the reset spring, the clutch mandrel is driven to rotate to the required direction through the handle of the lock, then the reversing screws are locked on the clutch mandrel, the reversing screws recover the obstruction to the reset spring, and the clutch mandrel recovers the normal working state, so that the reversing function is realized;

furthermore, a wire passing groove is formed in the clutch core shaft, a signal wire in the lock handle penetrates through the wire passing groove to be connected with the front panel, and the signal wire is protected through the wire passing groove.

The advantage of this patent is:

1. the clutch used by the electronic lock is arranged in the rear panel, and the action of unlocking and locking is realized by transmitting motion through the square shaft, and the possibility that the lock is easily unlocked because the front panel is damaged can be effectively prevented due to the arrangement of the clutch motor;

2. the rear clutch adopts a clutch mode of clamping instead of a free handle clutch device, and the rear panel is also safely lifted while the safety of the whole lockset is improved, and is normally locked by an opened position, and the handle of the rear panel can be used for unlocking only when an unlocking signal is given, so that the rear clutch also has the characteristic of preventing cat eye unlocking;

3. the clutch is arranged in the rear panel, so that the front panel can save a large space, and the appearance design of the front panel can have a larger imagination space.

Drawings

FIG. 1 is a schematic illustration of a rear clutch lockup state;

FIG. 2 is a schematic illustration of a rear clutch unlocked state;

FIG. 3 is a schematic illustration of a rear clutch housing;

FIG. 4 is a schematic view of a rear clutch spindle;

in the figure: 1-a housing; 101-a chute; 2-clutch core shaft; 201-one-way card slot; 202-square shaft hole; 203-a connecting shaft; 204-wire passing groove; 3-a clutch pin; 301-a drive slot; 4-a transmission assembly; 401-a drive slide; 5-a return spring; 6-reversing screw.

Detailed Description

As shown in fig. 1 to 4, a rear clutch of an electronic lock comprises a clutch core shaft 2, a clutch pin 3, a transmission assembly 4, a return spring 5 and a reversing screw 6 which are arranged in a housing 1, wherein a chute 101 is fixedly arranged in the housing 1, and the clutch pin 3 is movably clamped in the chute 101 and can slide in the chute 101; the rear clutch of the electronic lock is a clutch device arranged in a lock rear panel, a transmission slide block 401 is arranged on a transmission assembly 4, and the end part of the transmission slide block 401 is clamped in a transmission groove 301 arranged on a clutch pin 3, so that the transmission slide block 401 is linked with the clutch pin 3. A one-way clamping groove 201 is formed in the outer circumference of the clutch mandrel 2, and the clutch mandrel 2 can rotate towards the unlocking direction through the one-way clamping groove 201; a square shaft hole 202 is formed in the shaft end of a connecting shaft 203 of the clutch core shaft 2, the panel handle is connected to the clutch core shaft through the connecting shaft 203, a lock body transmission square shaft is inserted into the square shaft hole 202 of the clutch core shaft 2, and the clutch core shaft 2 drives the lock body transmission square shaft to rotate when the handle is pulled, so that manual operation is achieved; the square shaft hole 202 of the clutch core shaft 2 is mechanically connected with a transmission mechanism of the lock body through a transmission square shaft of the lock body to drive the lock tongue to extend out or return into the lock body, so that locking or unlocking is realized. The reset spring 5 is connected to the clutch mandrel 2 and the shell 1, so that the clutch mandrel 2 automatically resets after acting; when the lock is closed, the transmission slide block 401 drives the clutch pin 3 to extend out of the chute 101 and be combined on the one-way clamping groove 201, and the clutch mandrel 2 cannot rotate to the unlocking direction to unlock the lock; when the lock is unlocked, the transmission sliding block 401 drives the clutch pin 3 to return to the sliding groove 101 to be disengaged from the one-way clamping groove 201 on the clutch mandrel 2, then the handle is pulled, the clutch mandrel 2 rotates towards the unlocking direction, the lock tongue is driven to move, and the lock is unlocked.

When the transmission assembly 4 receives an unlocking signal given by the outside, the transmission slide block 401 on the transmission assembly acts, the transmission slide block 401 is clamped in the transmission groove 301 arranged on the clutch pin 3, the transmission slide block 401 and the clutch pin 3 realize linkage, the transmission groove 301 arranged on the clutch pin 3 drives the clutch pin 3 to move in the sliding groove 101 arranged on the shell 1, so that the clutch pin 3 retreats into the sliding groove 101, the clutch pin 3 is separated from the one-way clamping groove 201 on the clutch mandrel 2, the one-way clamping groove 201 arranged on the clutch mandrel 2 is not blocked, at the moment, the handle of the lock is connected to the clutch mandrel 2 through the shaft end of the connecting shaft 203 arranged on the clutch mandrel 2, the connecting shaft 203 of the clutch core shaft 2 is connected with an external lock tongue transmission mechanism to rotate, so that the lock tongue returns into the lock body to realize unlocking action, and the clutch core shaft 2 is reset to the initial position under the action of a reset spring 5 after unlocking is finished;

when the transmission assembly 4 receives a given locking signal from the outside, the transmission slider 401 thereon acts, the transmission slider 401 is clamped in the transmission groove 301 formed in the clutch pin 3, the transmission slider 401 and the clutch pin 3 are linked, the transmission groove 301 formed in the clutch pin 3 drives the clutch pin 3 to move in the chute 101 formed in the housing 1, so that the clutch pin 3 is pushed out of the chute 101, the one-way clamping groove 201 formed in the clutch spindle 2 is blocked, at this time, the lock handle connected with the connecting shaft 203 formed in the clutch spindle 2 rotates to drive the connecting shaft 203 of the clutch spindle 2 to be incapable of rotating in the unlocking direction, the lock handle can rotate in the locking direction, so that the lock tongue extends out of the lock body to meet the locking action requirement of the lock, and after locking, the clutch spindle 2 resets to the initial position under the action of the reset spring 5.

In order to increase the more scenes that are applicable to of electronic lock, set up two one-way draw-in groove 201 on the outer circumference of clutch core axle 2, be provided with switching-over screw 6 on clutch core axle 2, when the tool to lock need change the direction of unblanking spring to the left or the spring bolt is towards the right, dismantle switching-over screw 6, switching-over screw 6 can cancel the hindrance to reset spring 5, drive clutch core axle 2 through the tool to lock handle and rotate the direction that needs, then lock switching-over screw 6 on clutch core axle 2, switching-over screw 6 resumes the hindrance to reset spring 5, clutch core axle 2 resumes normal operating condition, realize the switching-over function.

The clutch core shaft 2 is provided with the wire passing groove 204, the electronic information part on the lock handle can transmit a signal wire to the panel through the wire passing groove 204, the signal wire is protected through the wire passing groove 204, and the signal wire cannot be damaged due to repeated rotation of the clutch core shaft 2.

The disclosure above is only a few examples of the applications of this patent, but the content of this patent is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the patent.

Claims

1. The utility model provides a rearmounted clutch of electronic lock which characterized by: the lock comprises a clutch mandrel (2), a clutch pin (3), a transmission assembly (4) and a return spring (5) which are arranged in a shell (1), wherein the shell (1) is arranged in a lock rear panel; the transmission assembly (4) is provided with a transmission sliding block (401), the transmission assembly (4) is electrically connected with an unlocking controller arranged in the front panel, and the transmission sliding block (401) is driven to act according to an unlocking control signal; the transmission slide block (401) is linked with the clutch pin (3), the clutch pin (3) is arranged in a chute (101) in the shell (1), and a one-way clamping groove (201) is arranged on the outer circumference of the clutch mandrel (2); a connecting shaft (203) is arranged on the clutch mandrel (2), and the handle is connected with the clutch mandrel (2) through the connecting shaft (203); a square shaft hole (202) is formed in the clutch mandrel (2), the square shaft hole (202) is connected with a lock transmission square shaft, and the transmission square shaft drives the lock tongue to move; the reset spring (5) enables the clutch mandrel (2) to automatically reset after acting; when the lock is closed, the transmission slide block (401) drives the clutch pin (3) to extend out of the chute (101) and be combined on the one-way clamping groove (201), and the clutch mandrel (2) cannot rotate to be opened in the unlocking direction; when the lock is unlocked, the transmission sliding block (401) drives the clutch pin (3) to return to the sliding groove (101) to be disengaged from the one-way clamping groove (201) on the clutch mandrel (2), then the handle is pulled, the clutch mandrel (2) rotates towards the unlocking direction, and the lock tongue is driven to unlock the lock.

2. The electronic lock rear clutch according to claim 1, characterized in that: one-way draw-in groove (201) are two clutch spindle (2) on be provided with switching-over screw (6), when the tool to lock needs to be changed the direction of unblanking, dismantle switching-over screw (6), switching-over screw (6) can cancel the hindrance to reset spring, drive clutch spindle (2) through the tool to lock handle and rotate the direction that needs, then lock switching-over screw (6) on clutch spindle (2), switching-over screw (6) resume the hindrance to reset spring (5), clutch spindle (2) resume normal operating condition, realize the switching-over function.

3. The electronic lock rear clutch according to claim 1, characterized in that: a wire passing groove (204) is formed in the clutch mandrel (2), a signal wire in the lockset handle penetrates through the wire passing groove (204) to be connected with the front panel, and the signal wire is protected through the wire passing groove (204).