CN218912536U

CN218912536U - Lock tongue unlocking structure of indoor door electronic lock body

Info

Publication number: CN218912536U
Application number: CN202320049783.7U
Authority: CN
Inventors: 林学森
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-08
Filing date: 2023-01-08
Publication date: 2023-04-25
Anticipated expiration: 2033-01-08

Abstract

The utility model discloses an upper lock tongue unlocking structure of an indoor door electronic lock body, wherein the lock body comprises a lock shell, and an upper lock tongue and a lower lock tongue which are arranged in the lock shell, 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; when the clutch can normally run, the handle driving piece can rotate to push the upper lock tongue to retract into the lock shell for unlocking, when the clutch cannot normally run, the reverse lock cylinder on the lock shell can push the sliding piece to move towards the handle driving piece to drive the handle driving piece to rotate, so that the upper lock tongue is pushed to retract into the lock shell for unlocking, the structure is simple, another unlocking mode is provided, and quick and timely unlocking can be realized.

Description

Lock tongue unlocking structure of indoor door electronic lock body

Technical Field

The utility model relates to an indoor door lock, in particular to an upper lock tongue unlocking structure of an indoor door electronic lock body.

Background

Along with the continuous improvement of lockset technology, fingerprint locks with various functions are used in 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, a fingerprint and the like when the electronic lock passes through the verification mode of a PCB main control board of a rear door lock panel, and the unlocking action is executed, but most fingerprint locks have complex structures and have a common defect, namely the unlocking action can be carried out by the clutch, if a battery is not powered or the PCB main control board is damaged, the clutch cannot be normally operated, timely unlocking cannot be realized, and inconvenience is brought to a user

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an unlocking structure of an upper lock tongue of an indoor door electronic lock body.

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

an unlocking structure of an upper lock tongue of an indoor door electronic lock body comprises a lock shell, and an upper lock tongue and a lower lock tongue which are arranged in the lock shell, wherein 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 further provides that: 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 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 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 has the beneficial effects that:

the utility model has the beneficial effects that: the handle is connected with the square bar handle driving piece, when the clutch can normally operate, the handle driving piece can drive the upper lock tongue to retract into the lock shell through the rotation of the handle to unlock, and when the clutch cannot normally operate, the reverse lock core on the lock shell can drive the sliding piece to move towards the direction of the handle driving piece to drive the handle driving piece to rotate, so that the upper lock tongue is driven to retract into the lock shell to unlock, the structure is simple, another unlocking mode is provided, and quick and timely unlocking can be realized.

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 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; 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. the torsion spring is held.

Detailed Description

An example of an unlocking structure of an upper lock tongue of an indoor door electronic lock body according to the present utility model will be described in further detail with reference to fig. 1 to 8.

As can be seen from fig. 1, an upper lock tongue unlocking structure of an indoor door electronic lock body, 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 the lock body unlocking or locking function, and the lower lock tongue 13 mainly realizes the 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, the other end is connected with the rear handle, when the clutch can normally operate, the front handle or the rear handle drives the handle driving piece 14 to rotate through the square bar, the handle driving piece 14 can push the upper lock tongue 12 to retract into the lock shell 11 during the rotation process to realize manual unlocking, the lower lock tongue 13 is locked or unlocked by a key through a counter 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 extends or retracts into the lock shell 11 to overcome the torsion force of the retaining torsion spring 2, so as to avoid accidental self-movement of the lower lock tongue 13 and misoperation.

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 back lock core on the lock shell 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 that the upper lock tongue 12 is pushed to retract into the lock shell 11 for unlocking, and the upper lock tongue 12 can also be unlocked by a key through the back lock core, so that another external unlocking mode is provided.

Therefore, when the clutch can normally operate, the handle driving piece 14 can push the upper lock tongue 12 to retract into the lock shell 11 for unlocking through the rotation of the handle, and when the clutch cannot normally operate, the reverse lock cylinder on the lock shell 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 that the upper lock tongue 12 is pushed to retract into the lock shell for unlocking, the structure is simple, and another unlocking mode is provided, so that quick and timely unlocking can be realized.

As can be seen from fig. 7 and 8, a connecting portion 151 is disposed on one side of the sliding plate 15, the lower lock tongue 13 is provided with a guide groove 131 with a return spring, the connecting portion 151 is disposed in the guide groove 131 and is matched with the return spring, when the anti-lock cylinder can push the sliding plate 15 to move towards the handle driving plate 14, the connecting portion 151 compresses the return spring, and one end portion of the sliding plate 15 pushes the handle driving plate 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.

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. An upper lock tongue unlocking structure of an indoor door electronic lock body, wherein the lock body comprises a lock shell, and an upper lock tongue and a lower lock tongue which are arranged in the lock shell, and is 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.

2. The locking and unlocking structure of an indoor door electronic lock body according to claim 1, characterized in 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.

3. The locking and unlocking structure of an indoor door electronic lock body according to claim 1, characterized in 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.

4. An upper dead bolt unlocking structure of an indoor door electronic lock body according to claim 1, 2 or 3, characterized in that: an unlocking transmission assembly for driving 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.

5. The locking and unlocking structure of an indoor door electronic lock according to claim 4, wherein: 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 locking and unlocking structure of an indoor door electronic lock according to 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. The locking and unlocking structure of an indoor door electronic lock body according to claim 1, characterized in 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.