CN115949298A

CN115949298A - Electronic lock for indoor door

Info

Publication number: CN115949298A
Application number: CN202310025486.3A
Authority: CN
Inventors: 林学森
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-08
Filing date: 2023-01-08
Publication date: 2023-04-11

Abstract

The invention discloses an electronic lock for an indoor door, 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 surface and the outer surface of the door, the lock body comprises a lock shell, an upper lock tongue and a lower lock tongue, the upper lock tongue and the lower lock tongue are arranged in the lock shell, an MCU (microprogrammed control unit) 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, 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 used for wirelessly receiving an acquisition signal of a signal acquisition unit, and an unlocking transmission assembly is driven by the MCU main control board to execute an unlocking action of the lock tongue, so that automatic unlocking is realized, and the electronic lock can be in universal fit with a lock body of the existing mechanical indoor door lock, can be directly replaced, and can be upgraded into an electronic lock, and is convenient to install and replace.

Description

Electronic lock for indoor door

Technical Field

The invention relates to an indoor door lock, in particular to an electronic lock of an indoor door.

Background

With the continuous improvement of the lockset technology, the electronic lock with various fingerprint locks with different functions enters the life of people, the method for identifying the door opening identity generally adopts one verification mode of RFID card, password, fingerprint and the like, when the verification passes through the PCB main control board of the rear door lock panel, an unlocking instruction is sent to the clutch to execute the unlocking action, but most of the fingerprint locks have complicated electronic lock structures and have a common defect, because the electronic lock needs to be provided with the PCB main control board and a battery, the traditional mechanical door lock panel cannot be matched for use, the installation is inconvenient, the old door can be installed only by modifying, the whole door lock needs to be replaced if a fault occurs in the using process, the installation and replacement process is complicated and high in cost, and the electronic lock is particularly inconvenient.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an electronic lock for an indoor door, which is small in size and convenient to install and is used for combining a battery, an MCU (micro control unit) main control board and a Bluetooth wireless communication module in a lock body.

In order to achieve the purpose, the invention provides the following technical scheme:

an electronic lock for an 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 surface and the outer surface of the door; the lock is characterized in that an MCU main control board for controlling the rotation of the motor 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 used for wirelessly receiving an acquisition signal of a signal acquisition device and controlling the motor to drive the unlocking transmission assembly to execute the unlocking action of the lock tongue.

The invention further sets up: the front end part of the lower lock tongue is provided with a battery installation cavity for accommodating a battery, and the rear end part of the lower lock tongue is provided with an electronic installation cavity for installing an MCU (microprogrammed control unit) main control board.

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

The invention further provides that: and a holding torsion spring is arranged on the side edge of the lower spring bolt and is connected with the lower spring bolt, and the torsion of the holding torsion spring needs to be overcome when the lower spring bolt extends out of or retracts into the lock shell.

The invention further sets up: the unlocking transmission assembly comprises a worm wheel and a worm which are matched with each other, an unlocking rotating sheet matched with the locking bolt is arranged on the worm wheel, and the motor drives the unlocking rotating sheet to push the locking bolt to retract into the lock shell for unlocking through transmission of the worm wheel and the worm.

The invention further provides that: an unlocking microswitch is arranged in the lock shell, and when the locking bolt retracts to the unlocking position in the lock shell, the upper locking bolt or the unlocking rotating piece can touch the unlocking microswitch, so that the motor stops rotating.

The invention further sets up: a handle driving piece is rotationally arranged in the lock shell and can push the upper lock bolt 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 the counter lock cylinder on the lock shell can push the sliding piece to move towards the handle driving piece so as to drive the handle driving piece to rotate.

The invention further provides that: one side of the sliding sheet is provided with a connecting portion, the lower lock tongue is provided with an unlocking groove with a return spring, and the connecting portion is arranged in the unlocking groove and matched with the return spring.

The invention further provides that: the sliding piece is provided with one or more limiting guide holes, and the lower lock tongue is provided with limiting guide columns matched with the limiting guide holes.

The invention 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, the lock body has small volume and is convenient to install, wherein the MCU main control board and the battery are arranged in an inner cavity of the lower bolt, so that the lower bolt realizes the back locking function and simultaneously solves the installation space of the MCU main control board and the battery, and other space in the lock shell does not need to be additionally occupied;

moreover because battery, MCU main control board, the combination of bluetooth wireless communication module are in the lock body, can realize the wildcard with the lock body of the indoor lock of current machinery, but the current indoor lock of direct replacement is upgraded into the electronic lock, the installation of being convenient for is changed.

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

Drawings

FIG. 1 is a schematic view of a lock body of an electronic lock for an indoor door according to the present invention;

fig. 2 is a schematic view of an internal structure of a lock body of an electronic lock for an indoor door of the present invention;

FIG. 3 is a schematic structural diagram of an electronic lock of an indoor door according to the present invention in a locked state;

fig. 4 is a schematic structural view illustrating a locked state of a lock body of an electronic lock for an indoor door according to the present invention;

FIG. 5 illustrates an electronic lock for an indoor door according to the present invention being unlocked by a handle;

FIG. 6 shows an electronic lock of an indoor door of the present invention being unlocked by a key with a back lock cylinder;

fig. 7 is a schematic structural view of a lower bolt;

fig. 8 is an exploded view of the lower bolt;

fig. 9 is a schematic view of the slider.

Description of reference numerals: 1. a lock body; 11. a lock case; 12. an upper lock tongue; 13. a lower lock tongue; 131. an unlocking groove; 132. limiting the guide post; 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 connecting portion; 152. a limiting guide hole; 16. an unlocking transmission assembly; 161. a turbine; 162. a worm; 163. unlocking the rotating sheet; 17. a motor; 18. unlocking a microswitch; 2. a retention torsion spring; 3. sealing the sheet; 4. and the MCU main control board.

Detailed Description

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

As shown in fig. 1, an electronic lock for an indoor door includes a front door lock panel with a front handle, a rear door lock panel with a rear handle, and a lock body 1, where the lock body 1 includes a lock case 11, and an upper lock tongue 12 and a lower lock tongue 13 disposed in the lock case 11, the upper lock tongue 12 mainly realizes an unlocking or locking function of the lock body, and the lower lock tongue 13 mainly realizes an unlocking function.

It can be known from fig. 2 that the front door lock panel and the rear door lock panel are respectively arranged on the inner surface and the outer surface 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, 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, as can be known from fig. 5, the handle driving piece 14 can push the upper lock tongue 12 to retract into the lock case 11 to realize manual unlocking in the rotating process, wherein the lower lock tongue 13 is locked or unlocked by a key through a lock cylinder on the lock body 1 as shown in fig. 3, a holding torsion spring 2 is arranged on the side of the lower lock tongue 13, the holding torsion spring 2 is connected with the lower lock tongue 13, and the situation that the lower lock tongue 13 extends out of or retracts into the lock case 11 and needs to overcome the torsion of the holding torsion of the torsion spring 2, thereby avoiding the accidental self-movement of the lower tongue 13 and causing misoperation.

It can be known from fig. 6 that wherein handle driving plate 14 is provided with the sliding sheet 15 that can promote handle driving plate 14 rotatory on one side, and wherein the back lock core on the lock shell 11 can promote sliding sheet 15 and remove towards handle driving plate 14 direction, drives handle driving plate 14 rotation to 12 retractions of spring bolt in the lock shell 11 are unblanked in the promotion, make and go up spring bolt 12 and also can carry out the key through the back lock core and unblank, thereby provide another external unlocking mode.

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

An unlocking transmission assembly 16 for driving the upper lock bolt 12 to retract into the lock shell 11 is arranged on one side of the upper lock bolt 12, the unlocking transmission assembly 16 is driven by a motor 17, the MCU main control board can control the motor to drive the unlocking transmission assembly 16 to execute the unlocking action of the upper lock bolt 12, and automatic unlocking is realized, so that the 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 sheet 163 matched with the locking bolt 12 is arranged on the worm wheel 161, the motor 17 drives the unlocking rotating sheet 163 to push the locking bolt 12 to retract into the lock case 11 for unlocking through transmission of the worm wheel 161 and the worm 162, in order to avoid that the motor 17 still works when the locking bolt 12 is at an unlocking position, an unlocking microswitch 18 is arranged in the lock case 11, and when the locking bolt 12 retracts into the lock case 11 to be at the unlocking position, the locking bolt 12 or the unlocking rotating sheet 163 can be contacted with the unlocking microswitch 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 arranged in the lock case 11, wherein the MCU main control board 4 and the battery are arranged in the inner cavity of the lower latch 13, specifically, the front end of the lower latch 13 is provided with a battery installation cavity 133 for accommodating the battery, and the rear end of the lower latch 13 is provided with an electronic installation cavity 134 for installing the MCU main control board 4, so as to more reasonably utilize the inner cavity of the lower latch 13. The battery that is linked together with the battery installation cavity is seted up to the preceding terminal surface of lower spring bolt 12 and is changed mouth 135, can dismantle at the port department that the mouth 135 was changed to the battery and be fixed with gasket 3, wherein dismantle fixed knot and construct and specifically can adopt the screw to pass gasket 3 and be connected with lower spring bolt, when needing to be changed the battery, only need dismantle gasket 3 and just can change the battery, it is very convenient.

The MCU main control board 4 is provided with a Bluetooth wireless communication module which is used for wirelessly receiving the acquisition signal of the signal acquisition device and controlling the motor 17 to execute the unlocking action of the upper lock tongue 12 through the MCU main control board 4, wherein the signal acquisition device can be a fingerprint acquisition device, a button for inputting a password or a card swiping sensor for swiping a card. Because signal collector can carry out wireless transmission signal with bluetooth wireless communication module for need not to draw forth the signal line in the lock body and be connected with the external world, make the lock body installation more convenient, signal collector can install in required position more customer's needs simultaneously, makes its installation have more selections.

The invention 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 bolt 13, so that the lower bolt 13 realizes the back locking function and simultaneously solves the installation space of the MCU main control board 4 and the battery, and does not need to additionally occupy other spaces in the lock shell 11, and the volume of the lock body 1 cannot be additionally increased compared with the lock body 1 of the existing mechanical door lock;

because battery, MCU main control board 4, the combination of bluetooth wireless communication module are in lock body 1, can realize the wildcard with lock body 1 of the indoor lock of current machinery, but the current indoor lock of direct replacement is upgraded into the electronic lock, the installation of being convenient for is changed.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an indoor door electronic lock, includes the preceding lock panel that has preceding handle, has back lock panel and the lock body of back handle, preceding lock panel sets up the inside and outside two sides at the door respectively with back lock panel, the lock body is including the lock shell and set up last spring bolt and lower spring bolt in the lock shell, characterized by: an unlocking transmission assembly for driving the upper lock bolt to retract into the lock shell is arranged on one side of the upper lock bolt and is driven by a motor; the lock comprises a lock shell and is characterized in that an MCU (microprogrammed control unit) main control board for controlling the rotation of a motor 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 a lower lock tongue, a Bluetooth wireless communication module is arranged on the MCU main control board and used for wirelessly receiving an acquisition signal of a signal acquisition device, and the MCU main control board controls the motor to drive an unlocking transmission assembly to execute an unlocking action of the lock tongue.

2. The electronic lock of claim 1, wherein: the front end part of the lower lock tongue is provided with a battery installation cavity for accommodating a battery, and the rear end part of the lower lock tongue is provided with an electronic installation cavity for installing an MCU (microprogrammed control unit) main control board.

3. An indoor door electronic lock as claimed in claim 2, wherein: the preceding terminal surface of lower spring bolt is seted up the battery that is linked together with the battery installation cavity and is changed the mouth, can dismantle at the port department that the mouth was changed to the battery and be fixed with the gasket.

4. The electronic lock of claim 1, wherein: and a holding torsion spring is arranged on the side edge of the lower spring bolt and is connected with the lower spring bolt, and the torsion of the holding torsion spring needs to be overcome when the lower spring bolt extends out of or retracts into the lock shell.

5. An indoor door electronic lock as claimed in claim 1, 2, 3 or 4, wherein: the unlocking transmission assembly comprises a worm wheel and a worm which are matched with each other, an unlocking rotating sheet matched with the locking bolt is arranged on the worm wheel, and the motor drives the unlocking rotating sheet to push the locking bolt to retract into the lock shell for unlocking through transmission of the worm wheel and the worm.

6. An indoor door electronic lock as claimed in claim 5, wherein: an unlocking microswitch is arranged in the lock shell, and when the locking bolt retracts to the unlocking position in the lock shell, the upper locking bolt or the unlocking rotating piece can touch the unlocking microswitch, so that the motor stops rotating.

7. An indoor door electronic lock as claimed in claim 1, 2, 3 or 4, wherein: a handle driving piece is rotatably arranged in the lock shell and 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 the counter lock cylinder on the lock shell can push the sliding piece to move towards the handle driving piece so as to drive the handle driving piece to rotate.

8. An indoor door electronic lock as claimed in claim 7, wherein: one side of the sliding sheet 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. An indoor door electronic lock as claimed in claim 7, wherein: the sliding piece is provided with one or more limiting guide holes, and the lower lock tongue is provided with limiting guide columns matched with the limiting guide holes.