CN108286369B

CN108286369B - Electronic door lock

Info

Publication number: CN108286369B
Application number: CN201810209471.1A
Authority: CN
Inventors: 李强
Original assignee: Zhongshan Xizhimen Intelligent Technology Co ltd
Current assignee: Zhongshan Chuanlong Intelligent Technology Co.,Ltd.
Priority date: 2018-03-14
Filing date: 2018-03-14
Publication date: 2023-06-13
Anticipated expiration: 2038-03-14
Also published as: CN108286369A

Abstract

The invention discloses an electronic door lock, which comprises an inner shell arranged on the inner side of a door plate, wherein a clutch seat and a motor assembly positioned at the lower end of the clutch seat are arranged in the inner shell, a clutch core is arranged in the clutch seat, a clutch pin is arranged at the lower end of the clutch seat, and a clutch groove is formed in the clutch core; a push pin is arranged in the inner handle, an inclined disc is arranged at the rear end of the push pin, and an inclined block is arranged at the lower end of the motor assembly; the pushing pin is pressed to drive the inclined disc to move inwards, so that the side end surface of the inclined disc pushes the inclined block to move upwards, and the motor assembly is driven to move upwards to push the clutch pin into the clutch groove; when the lock is closed, the parts such as the clutch pin, the inclined plane disc and the push pin are reset under the action of gravity, so that a reset spring and a push pin spring are omitted, and the mechanical failure rate is effectively reduced; in addition, the inner linkage rod A and the inner linkage rod B are respectively hinged with the clutch linkage piece, the connecting rod gasket and the rear linkage piece, so that three-in-one linkage is realized, the handles are symmetrically distributed, and the appearance is attractive.

Description

Electronic door lock

Technical Field

The invention relates to the field of locks, in particular to an electronic door lock.

Background

The patent document with the publication number of CN105909076A discloses an electronic door lock, which adopts the following technical scheme: the inner shell is internally provided with a clutch seat, and the transmission shaft is linked with the clutch seat through an inner linkage mechanism; the clutch seat is internally provided with a clutch pin with a reset spring, fang Zhou is arranged in the clutch seat, one end of the square shaft is inserted into the square shaft seat, the square shaft seat is internally provided with a clutch groove for the clutch pin to be inserted, and when the motor of the electronic lock obtains an unlocking signal, the motor presses the clutch pin to be inserted into the clutch groove, the clutch seat drives the square shaft seat to rotate, and the square shaft seat drives the mechanical lock to unlock through the square shaft. An outdoor locking mechanism matched with the square shaft seat and the clutch seat is arranged between the square shaft seat and the clutch seat, a push pin is arranged in the inner handle, and the push pin spring forces the push pin to withdraw Fang Zhou; when the push pin enters the square shaft seat, the inner handle drives the square shaft seat to unlock or lock, and when the push pin exits Fang Zhou, the inner handle idles relative to the square shaft seat. Because reset spring and push pin spring are ageing inefficacy easily after long-term use, when leading to closing the lock, the clutch pin still inserts in the clutch groove under the action of gravity, and push pin does not withdraw from square shaft seat, causes the dead scheduling problem of machinery card, makes the tool to lock keep in the state of unblanking, and machinery is malfunctioning, can't satisfy security protection safety requirement, and the security is low. The two outer linkage rods of the electronic door lock are arranged in parallel, so that the linkage between the outer linkage piece and the outer transmission seat is insufficient, and the problems of insufficient unlocking angle and the like occur; the structure of the electronic door lock also causes different heights of the outer handle and the inner handle, and has the disadvantages of attractive appearance, poor visual effect and influence on sales.

In addition, the common piece of the electronic door lock in the prior art is provided with a clutch or a circuit board in the outer shell, so that the outer shell can be easily unlocked after being damaged by lawless persons, and the safety is poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the electronic door lock which can reduce the mechanical failure rate, has high safety and attractive appearance.

The technical scheme adopted for solving the technical problems is as follows: the electronic door lock comprises an inner shell arranged on the inner side of a door plate and a mechanical lock arranged in the door plate, wherein an inner handle is arranged on the inner shell, the mechanical lock is provided with a main lock tongue and a shaft hole in linkage with the main lock tongue, a clutch seat and a motor component positioned at the lower end of the clutch seat are arranged in the inner shell, a clutch core is arranged in the clutch seat, the clutch core is in linkage with the shaft hole through a first shaft, a clutch pin is arranged at the lower end of the clutch seat, and a clutch groove for the clutch pin to be inserted is formed in the clutch core; when unlocking, the motor component drives the clutch pin to be inserted into the clutch groove so as to enable the clutch core to be in linkage with the clutch seat; when the lock is closed, the clutch pin is withdrawn from the clutch groove under the action of gravity.

A push pin is arranged in the inner handle, an inclined disc is arranged at the rear end of the push pin, and an inclined block matched with the side end surface of the inclined disc is arranged at the lower end of the motor assembly; when the lock is unlocked, the push pin is pressed to drive the inclined plane disc to move inwards, so that the side end face of the inclined plane disc pushes the inclined block to move upwards, the motor assembly is driven to move upwards to push the clutch pin into the clutch groove, and when the lock is closed, the motor assembly is under the action of gravity, and the inclined plane disc and the push pin are pushed to reset through the inclined block.

An outer shell is arranged on the outer side of the door plate, an outer handle is arranged on the outer shell, a rocker arm and a front linkage piece are arranged in the outer shell, the rocker arm is sleeved on the outer handle, and the rocker arm is linked with the front linkage piece through a front linkage mechanism; the clutch seat is provided with a clutch linkage piece, and two ends of the rear linkage piece are respectively connected with two ends of the clutch linkage piece through an inner linkage rod A and an inner linkage rod B.

The novel push pin is characterized in that a connecting rod gasket is arranged between the inner connecting rod A and the inner connecting rod B, a square hole is formed in the middle of the connecting rod gasket, a square block which is suitable for the square hole is formed at the outer protrusion of the rear end of the inclined disc, and when the push pin is pressed, the square block is inserted into the square hole, so that the inclined disc is linked with the connecting rod gasket.

The front linkage mechanism comprises an outer linkage rod A and an outer linkage rod B, the upper end of the outer linkage rod A and the upper end of the outer linkage rod B are respectively hinged with the two ends of the rocker arm, and the lower end of the outer linkage rod A and the lower end of the outer linkage rod B are respectively hinged with the two ends of the front linkage piece.

The distance from the hinge point at the upper end of the outer linkage rod A to the hinge point at the upper end of the outer linkage rod B is greater than the distance from the hinge point at the lower end of the outer linkage rod A to the hinge point at the lower end of the outer linkage rod B.

The novel electric motor is characterized in that a circuit board is arranged in the outer shell, a password transmitting module is arranged on the circuit board, a communication identifier in wireless communication with the password transmitting module is arranged in the inner shell, and the communication identifier is electrically connected with the motor assembly.

The front end of the clutch seat is provided with a bearing cavity, and a bearing sleeved at the front end of the clutch core is arranged in the bearing cavity.

And a reset spring for driving the clutch core to reset is arranged on the clutch seat.

The mechanical lock is provided with a lock core, mounting ports are formed in two sides of the lock core, and a positioning column matched with the mounting ports is arranged at the rear end of the outer shell.

The beneficial effects of the invention are as follows: 1. the motor component is arranged at the lower end of the clutch seat, and when the clutch is locked, the clutch pin is withdrawn from the clutch groove under the action of gravity, so that a return spring is omitted, the mechanical failure rate is effectively reduced, and the safety performance is improved;

2. the rear end of the push pin is provided with an inclined disc, and the lower end of the motor assembly is provided with an inclined block matched with the side end surface of the inclined disc; when the lock is closed, the motor assembly is subjected to the action of gravity, and the inclined plane disc and the push pin are pushed to reset through the inclined plane block, so that a push pin spring is omitted, the mechanical failure rate is effectively reduced, and the safety performance is improved;

3. the outer linkage rod A and the outer linkage rod B are inverted splayed, so that the unlocking angle is effectively improved, the mechanical failure rate is reduced, and the safety performance is improved; the inner linkage rod A and the inner linkage rod B are respectively hinged with the clutch linkage piece, the connecting rod gasket and the rear linkage piece, so that three-in-one linkage is realized, the handles are symmetrically distributed, and the appearance is attractive;

4. the lock adopts a rear clutch mode, a password transmitting module is additionally arranged on a circuit board, a communication identifier is additionally arranged in an inner shell, and the safety performance of the lock is improved by utilizing wireless encryption communication, so that the outer shell is prevented from being damaged to unlock;

5. the two sides of the lock core are provided with the mounting openings, the rear end of the outer shell is provided with the positioning column matched with the mounting openings, so that the quick positioning is convenient to carry out during mounting, and the problems of mechanical locking and the like caused by incorrect assembly positions between the outer shell and the mechanical lock are prevented;

6. a bearing is arranged between the clutch seat and the clutch core, and when the clutch pin is not inserted into the clutch groove, the clutch seat can only idle by pulling the outer handle, so that the safety is high;

7. the clutch seat is provided with a torsion spring for driving the clutch core to reset, so as to assist the reset of the clutch core, prevent the mechanical locking and improve the safety performance.

Drawings

The invention will be further described with reference to the drawings and examples.

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

FIG. 2 is one of the partial exploded views of the present invention;

FIG. 3 is a second partial exploded view of the present invention;

FIG. 4 is a schematic view of the structure of a bevel disk;

fig. 5 is a partially exploded view of the third embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 5, an electronic door lock comprises an inner shell 1 arranged on the inner side of a door plate and a mechanical lock 2 arranged in the door plate, wherein an inner handle 3 is arranged on the inner shell 1, the mechanical lock 2 is provided with a main lock tongue and a shaft hole linked with the main lock tongue, a clutch seat 4 and a motor assembly 5 positioned at the lower end of the clutch seat 4 are arranged in the inner shell 1, a clutch core 6 is arranged in the clutch seat 4, the clutch core 6 is linked with the shaft hole through a first square shaft 29, a clutch pin 7 is arranged at the lower end of the clutch seat 4, and a clutch groove 8 for the clutch pin 7 to be inserted is formed in the clutch core 6; when unlocking, the motor component 5 drives the clutch pin 7 to be inserted into the clutch groove 8 so as to enable the clutch core 6 to be in linkage with the clutch seat 4; when the lock is closed, the clutch pin 7 exits the clutch groove 8 under the action of gravity, so that a return spring is omitted, the mechanical failure rate is effectively reduced, and the safety performance is improved. Further, the motor assembly 5 employs a motor and an arc push plate as employed in the prior art electronic door lock. The motor component 5, the clutch base 4, the clutch core 6 and other parts are arranged in the clutch box 30, so that the clutch box can be integrally arranged, is convenient to assemble and maintain, and saves working hours.

In this embodiment, a push pin 9 is disposed in the inner handle 3, a bevel disk 10 is disposed at the rear end of the push pin 9, a square groove 31 adapted to the push pin 9 is formed in the middle of the bevel disk 10 in a concave manner, and an inclined block 11 matched with a side end surface of the bevel disk 10 is disposed at the lower end of the motor assembly 5; when unlocking, the push pin 9 is pressed to drive the inclined plane disc 10 to move inwards, so that the side end face of the inclined plane disc 10 pushes the inclined block 11 to move upwards, thereby driving the motor assembly 5 to move upwards to push the clutch pin 7 into the clutch groove 8, and when the lock is closed, the motor assembly 5 is under the action of gravity, and the inclined plane disc 10 and the push pin 9 are pushed to reset through the inclined block 11, so that a push pin spring is omitted, the mechanical failure rate is effectively reduced, and the safety performance is improved. The push pin 9 plays a role in preventing the peephole from unlocking, and the push pin 9 is pressed to unlock when the door is opened indoors.

In this embodiment, an outer housing 12 is disposed on the outer side of the door panel, an outer handle 13 is disposed on the outer housing 12, a rocker arm 14 and a front linkage piece 15 are disposed in the outer housing 12, the rocker arm 14 is sleeved on the outer handle 13, and the rocker arm 14 is linked with the front linkage piece 15 through a front linkage mechanism; the clutch seat 4 is provided with a clutch linkage piece 17, and two ends of the rear linkage piece 16 are respectively connected with two ends of the clutch linkage piece 17 through an inner linkage rod A18 and an inner linkage rod B19. A connecting rod gasket 20 is arranged between the inner connecting rod A18 and the inner connecting rod B19, a square hole 21 is formed in the middle of the connecting rod gasket 20, a square block 22 adapting to the square hole 21 is formed at the rear end of the inclined disc 10 in a protruding mode, and when the push pin 9 is pressed, the square block 22 is inserted into the square hole 21, so that the inclined disc 10 and the connecting rod gasket 20 are linked. The inner linkage rod A and the inner linkage rod B are respectively hinged with the clutch linkage piece 17, the connecting rod gasket 30 and the rear linkage piece 16, so that three-in-one linkage is realized, the outer handle 13 and the inner handle 3 are symmetrically arranged in the middle of the lock, the lock is more comfortable during unlocking, the appearance is attractive, and the visual effect is improved.

In this embodiment, the front linkage mechanism includes an outer linkage rod a23 and an outer linkage rod B24, where the upper end of the outer linkage rod a23 and the upper end of the outer linkage rod B24 are hinged to two ends of the rocker arm 14, and the lower end of the outer linkage rod a23 and the lower end of the outer linkage rod B24 are hinged to two ends of the front linkage plate 15, and further, the distance from the hinge point of the upper end of the outer linkage rod a23 to the hinge point of the upper end of the outer linkage rod B24 is greater than the distance from the hinge point of the lower end of the outer linkage rod a23 to the hinge point of the lower end of the outer linkage rod B24, so that an inverted splayed shape is formed between the outer linkage rod a23 and the outer linkage rod B24, thereby effectively improving the unlocking angle, reducing the mechanical failure rate, and improving the safety performance.

In this embodiment, a circuit board is disposed in the outer casing 12, and a password identifier electrically connected to the circuit board is disposed on the outer casing 12, where the password identifier may be a fingerprint identifier, a keyboard password identifier, a portrait identifier, a voice identifier, etc. in the prior art, so as to implement keyless door opening. The circuit board is provided with a password transmitting module, a communication identifier in wireless communication with the password transmitting module is arranged in the inner shell 1, and the communication identifier is electrically connected with the motor assembly 5. The password transmitting module and the communication identifier are electronic devices in the prior art, wireless encryption communication is utilized, the safety performance of the lockset is improved, and the shell is prevented from being broken and then is unlocked directly through circuit board disconnection. The inner shell 1 can be internally provided with a storage battery for providing working voltage for electronic equipment such as a circuit board, a motor assembly 5 and the like, and can be charged through a USB interface in the prior art. After the password identifier identifies correct information, the circuit board encrypts through the password transmitting module, transmits an unlocking signal to the communication identifier, and after the communication identifier receives the unlocking signal, the motor assembly 5 is controlled to push the clutch pin 7 to be inserted into the clutch groove 8, so that the clutch seat 4 and the clutch core 6 are linked.

In this embodiment, the front end of the clutch seat 4 is provided with a bearing cavity, the bearing cavity is internally provided with a bearing 25 sleeved at the front end of the clutch core 6, the surface of the housing of the bearing 25 is carburized, the hardness is high, and when the clutch pin is not inserted into the clutch slot, the clutch seat can only idle by pulling the outer handle, so that the safety is high. The clutch seat 4 is provided with a reset spring for driving the clutch core 6 to reset, the reset spring adopts a torsion spring in the prior art, when the clutch core 6 rotates to pull the torsion spring in an unlocking state, when the clutch pin is reset by gravity, the torsion spring rapidly pulls the clutch core 6 to reset, so that mechanical locking is prevented, and the safety is high.

In this embodiment, the mechanical lock 2 has a lock core 26, mounting ports 27 are provided on two sides of the lock core 26, and a positioning column 28 matched with the mounting ports 27 is provided at the rear end of the outer housing 12, so that rapid positioning is facilitated during mounting, and problems such as mechanical locking between the outer housing and the mechanical lock due to incorrect assembly positions are prevented; the key hole 32 is provided in the outer handle 13, and has high concealment.

The above embodiments do not limit the protection scope of the invention, and those skilled in the art can make equivalent modifications and variations without departing from the whole inventive concept, and they still fall within the scope of the invention.

Claims

1. The electronic door lock comprises an inner shell (1) arranged on the inner side of a door plate and a mechanical lock (2) arranged in the door plate, wherein an inner handle (3) is arranged on the inner shell (1), the mechanical lock (2) is provided with a main lock tongue and a shaft hole linked with the main lock tongue, and is characterized in that a clutch seat (4) and a motor assembly (5) positioned at the lower end of the clutch seat (4) are arranged in the inner shell (1), a clutch core (6) is arranged in the clutch seat (4), the clutch core (6) is linked with the shaft hole through a first square shaft (29), a clutch pin (7) is arranged at the lower end of the clutch seat (4), and a clutch groove (8) for the clutch pin (7) to be inserted is formed in the clutch core (6); when unlocking, the motor assembly (5) drives the clutch pin (7) to be inserted into the clutch groove (8) so as to enable the clutch core (6) to be linked with the clutch seat (4); when the lock is closed, the clutch pin (7) is withdrawn from the clutch groove (8) under the action of gravity; a reset spring for driving the clutch core (6) to reset is arranged on the clutch seat (4); a push pin (9) is arranged in the inner handle (3), an inclined disc (10) is arranged at the rear end of the push pin (9), and an inclined block (11) matched with the side end surface of the inclined disc (10) is arranged at the lower end of the motor assembly (5); when unlocking, the push pin (9) is pressed to drive the inclined disc (10) to move inwards, so that the side end surface of the inclined disc (10) pushes the inclined block (11) to move upwards, the motor assembly (5) is driven to move upwards to push the clutch pin (7) into the clutch groove (8), and when the lock is closed, the motor assembly (5) is under the action of gravity and pushes the inclined disc (10) and the push pin (9) to reset through the inclined block (11); the middle part of the inclined plane disc (10) is concave to form a square groove (31) which is matched with the push pin (9).

2. The electronic door lock according to claim 1, characterized in that an outer shell (12) is arranged on the outer side of the door plate, an outer handle (13) is arranged on the outer shell (12), a rocker arm (14) and a front linkage piece (15) are arranged in the outer shell (12), the rocker arm (14) is sleeved on the outer handle (13), and the rocker arm (14) is linked with the front linkage piece (15) through a front linkage mechanism; the clutch is characterized in that a rear linkage piece (16) is further arranged in the inner shell (1), the front linkage piece (15) and the rear linkage piece (16) are in linkage through a second square shaft, a clutch linkage piece (17) is arranged on the clutch base (4), and two ends of the rear linkage piece (16) are respectively connected with two ends of the clutch linkage piece (17) through an inner linkage rod A (18) and an inner linkage rod B (19).

3. The electronic door lock according to claim 2, wherein a connecting rod gasket (20) is disposed between the inner linkage rod a (18) and the inner linkage rod B (19), a square hole (21) is disposed in the middle of the connecting rod gasket (20), a square block (22) adapting to the square hole (21) is formed at the rear end of the inclined disc (10) in a protruding manner, and when the push pin (9) is pressed, the square block (22) is inserted into the square hole (21) to enable the inclined disc (10) to be linked with the connecting rod gasket (20).

4. The electronic door lock according to claim 2, wherein the front linkage mechanism comprises an outer linkage rod a (23) and an outer linkage rod B (24), the upper end of the outer linkage rod a (23) and the upper end of the outer linkage rod B (24) are respectively hinged with the two ends of the rocker arm (14), and the lower end of the outer linkage rod a (23) and the lower end of the outer linkage rod B (24) are respectively hinged with the two ends of the front linkage piece (15).

5. The electronic door lock according to claim 4, wherein a distance from an upper end hinge point of the outer link a (23) to an upper end hinge point of the outer link B (24) is greater than a distance from a lower end hinge point of the outer link a (23) to a lower end hinge point of the outer link B (24).

6. The electronic door lock according to claim 2, characterized in that a circuit board is arranged in the outer shell (12), a code transmitting module is arranged on the circuit board, a communication identifier in wireless communication with the code transmitting module is arranged in the inner shell (1), and the communication identifier is electrically connected with the motor assembly (5).

7. The electronic door lock according to any one of claims 1 to 6, characterized in that the front end of the clutch base (4) is provided with a bearing cavity, and a bearing (25) sleeved at the front end of the clutch core (6) is installed in the bearing cavity.

8. The electronic door lock according to claim 2, characterized in that the mechanical lock (2) is provided with a lock cylinder (26), both sides of the lock cylinder (26) are provided with mounting openings (27), and the rear end of the outer housing (12) is provided with a positioning column (28) matched with the mounting openings (27).