CN219138686U

CN219138686U - Indoor door electronic lock

Info

Publication number: CN219138686U
Application number: CN202320048560.9U
Authority: CN
Inventors: 林学森
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-08
Filing date: 2023-01-08
Publication date: 2023-06-06
Anticipated expiration: 2033-01-08

Abstract

The utility model discloses an indoor door electronic lock, which comprises a front door lock panel with a front handle, a rear door lock panel with a rear handle and a lock body, wherein the front door lock panel and the rear door lock panel are respectively arranged on the inner side and the outer side of a door, the lock body comprises a lock shell, an upper lock tongue and a lower lock tongue which are arranged in the lock shell, an MCU main control board for controlling a motor to rotate and a battery for supplying power to the whole system are arranged in the lock shell, wherein the MCU main control board and the battery are arranged in an inner cavity of the lower lock tongue, a Bluetooth wireless communication module is arranged on the MCU main control board and is used for wirelessly receiving a collection signal of a signal collector, the MCU main control board is used for controlling the motor to drive an unlocking transmission assembly to execute an unlocking action, automatic unlocking is realized, the lock can be matched with the lock body of the existing mechanical indoor door lock, the existing indoor door lock can be directly replaced, and the electronic lock is convenient to install and replace.

Description

Indoor door electronic lock

Technical Field

The present utility model relates to an indoor door lock, and more particularly, to an indoor door electronic lock.

Background

Along with the continuous improvement of lockset technology, fingerprint locks with various functions are moved into the life of people, the method for identifying the door opening identity of the electronic lock is generally to send an unlocking instruction to a clutch through one of an RFID card, a password and a fingerprint when the electronic lock passes through the verification mode of a PCB main control board of a rear door lock panel, and unlocking actions are executed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an indoor door electronic lock which is used for combining a battery, an MCU main control board and a Bluetooth wireless communication module in the lock body, and has small volume and convenient installation.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the electronic lock for the indoor door comprises a front door lock panel with a front handle, a rear door lock panel with a rear handle and a lock body, wherein the front door lock panel and the rear door lock panel are respectively arranged on the inner side and the outer side of the door, the lock body comprises a lock shell, an upper lock tongue and a lower lock tongue which are arranged in the lock shell, an unlocking transmission assembly which drives the upper lock tongue to retract into the lock shell is arranged on one side of the upper lock tongue, and the unlocking transmission assembly is driven by a motor; the lock shell is internally provided with an MCU main control board for controlling the motor to rotate and a battery for supplying power to the whole system, wherein the MCU main control board and the battery are arranged in an inner cavity of the lower lock tongue, a Bluetooth wireless communication module is arranged on the MCU main control board and is used for wirelessly receiving acquisition signals of a signal acquisition device, and an unlocking transmission assembly is controlled by the MCU main control board to drive the motor to perform unlocking actions of the upper lock tongue.

The utility model further provides that: the front end part of the lower lock tongue is provided with a battery mounting cavity for accommodating a battery, and the rear end part of the lower lock tongue is provided with an electronic mounting cavity for mounting an MCU main control board.

The utility model further provides that: the front end face of the lower lock tongue is provided with a battery replacement port communicated with the battery installation cavity, and a sealing piece is detachably fixed at a port of the battery replacement port.

The utility model further provides that: the side of lower spring bolt is provided with keeps the torsional spring, keep the torsional spring to be connected with lower spring bolt, lower spring bolt stretches out or withdraws back the lock shell and need overcome the torsion that keeps the torsional spring.

The utility model further provides that: the unlocking transmission assembly comprises a worm wheel and a worm which are matched with each other, an unlocking rotating piece matched with the upper lock tongue is arranged on the worm wheel, and the motor drives the unlocking rotating piece to push the upper lock tongue to retract into the lock shell for unlocking through the worm wheel and the worm transmission.

The utility model further provides that: an unlocking micro switch is arranged in the lock shell, and when the upper lock tongue is retracted into the lock shell and is positioned at an unlocking position, the upper lock tongue or the unlocking rotating piece can be contacted with the unlocking micro switch, so that the motor stops rotating.

The utility model further provides that: the lock is characterized in that a handle driving piece is rotatably arranged in the lock shell, and the handle driving piece can push the upper lock tongue to retract into the lock shell in the rotating process; the handle driving piece is provided with a sliding piece capable of pushing the handle driving piece to rotate on one side, wherein a reverse lock core on the lock shell can push the sliding piece to move towards the direction of the handle driving piece so as to drive the handle driving piece to rotate.

The utility model further provides that: one side of the sliding piece is provided with a connecting part, the lower lock tongue is provided with an unlocking groove with a reset spring, and the connecting part is arranged in the unlocking groove and matched with the reset spring.

The utility model further provides that: the sliding piece is provided with one or more than one limiting guide hole, and the lower lock tongue is provided with a limiting guide column matched with the limiting guide hole.

The utility model has the beneficial effects that: firstly, the battery, the MCU main control board and the Bluetooth wireless communication module are combined in the lock body, so that the lock body has small volume and convenient installation, wherein the MCU main control board and the battery are arranged in the inner cavity of the lower lock tongue, so that the lower lock tongue realizes the function of back locking, meanwhile, the installation space of the MCU main control board and the battery is solved, other space in the lock shell is not required to be additionally occupied, and the volume of the lock body is not additionally increased compared with the lock body of the existing mechanical door lock;

moreover, as the battery, the MCU main control board and the Bluetooth wireless communication module are combined in the lock body, the lock body of the existing mechanical indoor door lock can be used for realizing the general match, the existing indoor door lock can be directly replaced, and the battery, the MCU main control board and the Bluetooth wireless communication module are updated into an electronic lock, so that the installation and the replacement are convenient.

Finally, the MCU main control board can control the motor to drive the unlocking transmission assembly to execute the unlocking action of the locking bolt, so that automatic unlocking is realized, and unlocking convenience is improved.

Drawings

FIG. 1 is a schematic diagram of a lock body of an indoor door electronic lock according to the present utility model;

FIG. 2 is a schematic view of the lock body structure of an indoor door electronic lock according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the lock body of the electronic lock for an indoor door in the state of locking and unlocking;

FIG. 4 is a schematic diagram of the structure of the lock body of the electronic lock for an indoor door in the closed state;

FIG. 5 illustrates an unlocking state of the electronic lock of the indoor door by a handle;

FIG. 6 shows an unlocking state of the electronic lock of the indoor door by adopting the reverse lock core key;

FIG. 7 is a schematic view of the structure of the lower tongue;

FIG. 8 is an exploded view of the lower latch;

fig. 9 is a schematic structural view of the slider.

Reference numerals illustrate: 1. a lock body; 11. a lock case; 12. an upper lock tongue; 13. a lower lock tongue; 131. unlocking grooves; 132. limiting guide posts; 133. a battery mounting cavity; 134. an electronic mounting cavity; 135. a battery replacement port; 14. a handle driving piece; 15. a slide sheet; 151. a connection part; 152. limiting the guide hole; 16. unlocking the transmission assembly; 161. a worm wheel; 162. a worm; 163. an unlocking rotating piece; 17. a motor; 18. unlocking the micro switch; 2. holding the torsion spring; 3. a sealing sheet; 4. MCU main control board.

Detailed Description

An indoor door electronic lock according to the present utility model will be described in further detail with reference to fig. 1 to 9.

As can be seen from fig. 1, the indoor door electronic lock comprises a front door lock panel with a front handle, a rear door lock panel with a rear handle and a lock body 1, wherein the lock body 1 comprises a lock shell 11, and an upper lock tongue 12 and a lower lock tongue 13 arranged in the lock shell 11, wherein the upper lock tongue 12 mainly realizes a lock body unlocking or locking function, and the lower lock tongue 13 mainly realizes a back locking function.

As can be seen from fig. 2, the front door lock panel and the rear door lock panel are respectively disposed on the inner and outer sides of the door, wherein a square bar passes through a handle driving piece 14 in the lock body 1, one end of the square bar is connected with the front handle, and the other end is connected with the rear handle, so that the front handle or the rear handle drives the handle driving piece 14 to rotate through the square bar, and as can be seen from fig. 5, the handle driving piece 14 can push the upper lock tongue 12 to retract into the lock shell 11 to realize manual unlocking in the rotating process, wherein the lower lock tongue 13 is locked or unlocked by a key through a reverse lock cylinder on the lock body 1 as shown in fig. 3, a retaining torsion spring 2 is disposed on the side edge of the lower lock tongue 13, the retaining torsion spring 2 is connected with the lower lock tongue 13, and the lower lock tongue 13 is required to overcome the torsion force of the retaining torsion spring 2 to extend or retract into the lock shell 11, so as to avoid accidental self-movement of the lower lock tongue 13 and misoperation.

As can be seen from fig. 6, the handle driving piece 14 is provided with a sliding piece 15 capable of pushing the handle driving piece 14 to rotate on one side, wherein the counter lock cylinder on the lock case 11 can push the sliding piece 15 to move towards the handle driving piece 14 to drive the handle driving piece 14 to rotate, so as to push the upper lock tongue 12 to retract into the lock case 11 for unlocking, so that the upper lock tongue 12 can also be unlocked by a key through the counter lock cylinder, and another external unlocking mode is provided.

Wherein one side of the slider 15 is provided with a connecting portion 151, the lower lock tongue 13 is provided with an unlocking groove 131 with a return spring, the connecting portion 151 is arranged in the unlocking groove 131 and is matched with the return spring, when the counter lock core can push the slider 15 to move towards the handle driving piece 14, the connecting portion 151 can compress the return spring, and one end portion of the slider 15 can push the handle driving piece 14 to rotate. When the back lock core resets, the slide sheet can reset in time under the action of the reset spring. The sliding plate 15 is provided with one or more than one limit guide hole 152, and the lower lock tongue 13 is provided with a limit guide column 132 matched with the limit guide hole 152, so that the sliding plate 15 is further guided to move, and the sliding plate 15 moves more stably and reliably.

An unlocking transmission assembly 16 for driving the upper lock tongue 12 to retract into the lock shell 11 is arranged on one side of the upper lock tongue 12, the unlocking transmission assembly 16 is driven by a motor 17, and the MCU main control board can control the motor to drive the unlocking transmission assembly 16 to execute unlocking action of the upper lock tongue 12, so that automatic unlocking is realized, and unlocking convenience is improved. The unlocking transmission assembly 16 comprises a worm wheel 161 and a worm 162 which are matched with each other, an unlocking rotating piece 163 matched with the upper lock tongue 12 is arranged on the worm wheel 161, the motor 17 is driven by the worm wheel 161 and the worm 162 to drive the unlocking rotating piece 163 to push the upper lock tongue 12 to retract into the lock shell 11 for unlocking, in order to prevent the motor 17 from still working when the upper lock tongue 12 is at an unlocking position, an unlocking micro switch 18 is arranged in the lock shell 11, and when the upper lock tongue 12 is retracted into the lock shell 11 and is at the unlocking position, the upper lock tongue 12 or the unlocking rotating piece 163 can be contacted with the unlocking micro switch 18, so that the motor 17 stops rotating, and the service life of the motor 17 is effectively prolonged.

As can be seen from fig. 7 and 8, the MCU main control board 4 for controlling the rotation of the motor 17 and the battery for supplying power to the whole system are disposed in the lock case 11, wherein the MCU main control board 4 and the battery are disposed in the inner cavity of the lower lock tongue 13, specifically, the front end portion of the lower lock tongue 13 is provided with a battery mounting cavity 133 for accommodating the battery, the rear end portion of the lower lock tongue 13 is provided with an electronic mounting cavity 134 for mounting the MCU main control board 4, and the inner cavity of the lower lock tongue 13 is more reasonably utilized. The front end surface of the lower lock tongue 12 is provided with a battery replacement opening 135 communicated with a battery installation cavity, a sealing sheet 3 is detachably fixed at the port of the battery replacement opening 135, a screw can be specifically adopted to penetrate through the sealing sheet 3 to be connected with the lower lock tongue by the disassembly fixing structure, and when a battery needs to be replaced, the battery can be replaced only by disassembling the sealing sheet 3, so that the battery replacement device is very convenient.

Be provided with bluetooth wireless communication module on the MCU main control board 4, bluetooth wireless communication module is used for wireless signal collector's collection signal to carry out the action of unblanking of going up spring bolt 12 through MCU main control board 4 control motor 17, wherein signal collector can be fingerprint collector, be used for the button of input password or be used for the inductor of punching the card. Because the signal collector can carry out wireless transmission signal with bluetooth wireless communication module for need not to draw forth signal line and external connection in the lock body, make the lock body installation more convenient, the signal collector can be installed in required position by more customer's needs simultaneously, makes its installation have more choices.

The utility model realizes that the battery, the MCU main control board 4 and the Bluetooth wireless communication module are combined in the lock body 1, has small volume and convenient installation, wherein the MCU main control board 4 and the battery are arranged in the inner cavity of the lower lock tongue 13, so that the lower lock tongue 13 realizes the back locking function and simultaneously solves the problem of the installation space of the MCU main control board 4 and the battery, does not need to occupy other space in the lock shell 11 additionally, and does not increase the volume of the lock body 1 additionally compared with the lock body 1 of the existing mechanical door lock;

because battery, MCU main control board 4, bluetooth wireless communication module combination are in lock body 1, can realize the wild card with the lock body 1 of current indoor lock of machinery, can directly replace current indoor lock, upgrade it into the electronic lock, be convenient for install the change.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides an indoor door electronic lock, includes the front door lock panel who has preceding handle, has back door lock panel and the lock body of back handle, front door lock panel and back door lock panel set up respectively in the inside and outside two sides of door, the lock body includes the lock shell and sets up the upper lock tongue and the lower lock tongue in the lock shell, characterized by: an unlocking transmission assembly for driving the upper lock tongue to retract into the lock shell is arranged at one side of the upper lock tongue, and the unlocking transmission assembly is driven by a motor; the lock shell is internally provided with an MCU main control board for controlling the motor to rotate and a battery for supplying power to the whole system, wherein the MCU main control board and the battery are arranged in an inner cavity of the lower lock tongue, a Bluetooth wireless communication module is arranged on the MCU main control board and is used for wirelessly receiving acquisition signals of a signal acquisition device, and an unlocking transmission assembly is controlled by the MCU main control board to drive the motor to perform unlocking actions of the upper lock tongue.

2. The indoor door electronic lock of claim 1, wherein: the front end part of the lower lock tongue is provided with a battery mounting cavity for accommodating a battery, and the rear end part of the lower lock tongue is provided with an electronic mounting cavity for mounting an MCU main control board.

3. An indoor door electronic lock according to claim 2, wherein: the front end face of the lower lock tongue is provided with a battery replacement port communicated with the battery installation cavity, and a sealing piece is detachably fixed at a port of the battery replacement port.

4. The indoor door electronic lock of claim 1, wherein: the side of lower spring bolt is provided with keeps the torsional spring, keep the torsional spring to be connected with lower spring bolt, lower spring bolt stretches out or withdraws back the lock shell and need overcome the torsion that keeps the torsional spring.

5. An indoor door electronic lock according to claim 1 or 2 or 3 or 4, characterized in that: the unlocking transmission assembly comprises a worm wheel and a worm which are matched with each other, an unlocking rotating piece matched with the upper lock tongue is arranged on the worm wheel, and the motor drives the unlocking rotating piece to push the upper lock tongue to retract into the lock shell for unlocking through the worm wheel and the worm transmission.

6. The indoor door electronic lock of claim 5, wherein: an unlocking micro switch is arranged in the lock shell, and when the upper lock tongue is retracted into the lock shell and is positioned at an unlocking position, the upper lock tongue or the unlocking rotating piece can be contacted with the unlocking micro switch, so that the motor stops rotating.

7. An indoor door electronic lock according to claim 1 or 2 or 3 or 4, characterized in that: the lock is characterized in that a handle driving piece is rotatably arranged in the lock shell, and the handle driving piece can push the upper lock tongue to retract into the lock shell in the rotating process;

the handle driving piece is provided with a sliding piece capable of pushing the handle driving piece to rotate on one side, wherein a reverse lock core on the lock shell can push the sliding piece to move towards the direction of the handle driving piece so as to drive the handle driving piece to rotate.

8. The indoor door electronic lock of claim 7, wherein: one side of the sliding piece is provided with a connecting part, the lower lock tongue is provided with an unlocking groove with a reset spring, and the connecting part is arranged in the unlocking groove and matched with the reset spring.

9. The indoor door electronic lock of claim 7, wherein: the sliding piece is provided with one or more than one limiting guide hole, and the lower lock tongue is provided with a limiting guide column matched with the limiting guide hole.