CN209874753U

CN209874753U - Electronic lock based on motor drive

Info

Publication number: CN209874753U
Application number: CN201920519699.0U
Authority: CN
Inventors: 陈玉明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2019-12-31
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses an electronic lock based on motor drive. Insert the lock beam on the lock body including lock body and counterpoint, be provided with the pivot in the lock body, the control panel, battery and gear motor all are connected with the control panel electricity, an eccentric groove has been seted up and cup joints on gear motor's eccentric shaft through eccentric groove to the pivot, the pivot lateral wall is seted up and is had an arc bayonet socket, the lock body is located arc bayonet socket department and is provided with the closure chamber, the ball has been laid to the closure intracavity, the surface and the arc bayonet socket of ball are contradicted each other, the side of lock beam one end is located closure chamber department and is provided with the fore shaft that is used for the block ball, be provided with the. The utility model discloses drive based on gear motor, drive the pivot and carry out eccentric rotation, make the arc bayonet socket promote the ball at rotatory in-process and block or break away from the fore shaft, realize locking or unblank, directly change the block mode of traditional wheel and rack for it is more convenient to lock or unblank, is difficult for receiving the influence.

Description

Electronic lock based on motor drive

Technical Field

The utility model belongs to the technical field of the electronic lock technique and specifically relates to an electronic lock based on motor drive.

Background

As is known, the traditional electronic lock is mainly engaged by a gear and a rack, and a micro motor drives a speed reducer to control. The mechanical locking and unlocking of the electronic lock are controlled by the gear rack mechanism, and the electronic execution part of the mechanical lock is controlled by the micro motor and the speed reducer.

At present, when the gear drives the rack mechanism to realize locking or unlocking, the gear is easy to be meshed and loosened, and phenomena such as rusting, locking or gear jumping and the like are easy to occur, so that the normal operation of the electronic lock is influenced.

Disclosure of Invention

To the not enough of existence among the above-mentioned prior art, the utility model aims to provide an electronic lock based on motor drive.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electronic lock based on motor drive comprises a lock body and a lock beam inserted into the lock body in an aligned mode, wherein a spring is arranged at one end, inserted into the lock body, of the lock beam, the lock beam is limited in the lock body through a pin bolt, a rotating shaft, a control panel, a battery and a speed reducing motor are arranged in the lock body, the battery and the speed reducing motor are both electrically connected with the control panel, an eccentric shaft is sleeved on a motor shaft of the speed reducing motor, the rotating shaft is provided with an eccentric groove and sleeved on the eccentric shaft through the eccentric groove, the outer side wall of the rotating shaft is provided with an arc-shaped bayonet, a locking cavity is arranged at the position, located at the arc-shaped bayonet, of the lock body, a ball is placed in the locking cavity, the outer surface of the ball is mutually abutted against the arc-shaped bayonet, a locking opening for clamping the ball is arranged at the position, the unlocking identification module is electrically connected with the control panel, and a torsion spring is arranged between the rotating shaft and the inner wall of the lock body. .

Preferably, the unlocking identification module is a fingerprint identification module.

Preferably, the unlocking identification module is a key module.

Preferably, the unlocking identification module is a bluetooth communication module.

Due to the adoption of the scheme, the utility model discloses based on gear motor's drive, drive the pivot and carry out eccentric rotation, make the arc bayonet socket promote the ball to block or break away from the fore shaft in rotatory process, realize locking or unblank, directly change traditional gear and rack's block mode, make to lock or unblank more convenient, be difficult for receiving the influence; meanwhile, the unlocking identification module can adopt fingerprint identification to unlock or password identification to unlock or mobile phone Bluetooth to unlock, so that intelligent unlocking is realized, and the product grade is improved.

Drawings

Fig. 1 is a schematic diagram of the structural principle of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another side of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the locking structure of the embodiment of the present invention.

Fig. 4 is a schematic structural view of the lock of the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a torsion spring according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a reduction motor according to an embodiment of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 6, the electronic lock based on motor driving provided in this embodiment includes a lock body 1 and a lock beam 2 inserted into the lock body 1 in a contraposition, and the lock beam 2 is inserted in a connection manner of a conventional lock, that is, one end of the lock beam 2 inserted into the lock body 1 is provided with a spring 3 and is limited in the lock body 1 by a bolt 4, a rotating shaft 5, a control board 6, a battery 7 and a decelerating motor 8 are provided in the lock body 1, and the battery 7 and the decelerating motor 8 are both electrically connected to the control board 6, wherein the battery 7 mainly supplies internal electric energy, and the battery 7 in this embodiment can be implemented by a rechargeable battery or a battery holder for placing a non-rechargeable battery, which is not limited in this embodiment. In the embodiment, an eccentric shaft 10 is sleeved on a motor shaft of the speed reducing motor 8, an eccentric groove 9 is formed in a rotating shaft 5, the rotating shaft 5 is sleeved on the eccentric shaft 10 through the eccentric groove 9, an arc-shaped bayonet 11 is formed in the outer side wall of the rotating shaft 5, a locking cavity 12 is formed in the position, located at the arc-shaped bayonet 11, of the lock body 1, a ball 13 is placed in the locking cavity 12, the outer surface of the ball 13 is abutted against the arc-shaped bayonet 11, the side surface of one end of the lock beam 2 is located at the position of the locking cavity 12 and is provided with a locking notch 14 for clamping the ball 13, when the lock body works, one state is an unlocking state, as shown in fig. 4, at this time, the speed reducing motor 8 works, the rotating shaft 5 rotates, the arc-shaped bayonet 11 corresponds to the ball 13, the arc-shaped bayonet 11 forms a space for moving the ball 13, meanwhile, the spring 3 bounces the, the pin bolt 4 limits the ejecting stroke of the lock beam 2, at the moment, the lock is opened, the ball 13 is propped by the side surface of the lock beam 2 and cannot move, the rotating shaft 5 is limited by the ball 13 to stop rotating because the arc bayonet 11, the eccentric shaft 10 is also limited by the eccentric groove 9, and the speed reduction motor 8 stops rotating reversely; the other is a locking state, as shown in fig. 3, the lock beam 2 is pressed down to align the locking notch 14 with the locking cavity 12, a torsion spring 15 is arranged between the rotating shaft 5 and the inner wall of the lock body 1, the torsion spring 15 gives restoring force to the rotating shaft, when unlocking, the driving force of the speed reducing motor 8 needs to be larger than the acting force of the torsion spring 15, when locking is performed, the locking notch 14 is not aligned with the locking cavity 12 at first, enough space is not available, the balls 13 cannot move, the torsion spring 15 cannot restore, when the locking notch 14 is aligned with the locking cavity 12, the balls 13 can be moved by the locking notch 14, the torsion spring 15 restores the rotating shaft 5, the rotating shaft 5 pushes the balls 13, one end face of the balls 13 enters the locking notch 14, the acting force of the torsion spring 15 gives the rotating shaft 5 to abut against the balls 13 to prevent the balls 13 from being separated from the locking notch 14, and the lock beam 2 can be limited, and.

For the indication of the unlocking command of the embodiment, the lock body 1 of the embodiment is provided with an unlocking identification module 16 for inputting the unlocking command, and the unlocking identification module 16 is electrically connected with the control panel 6. The unlocking identification module 16 may specifically adopt one or a combination of the following modes:

1. the unlocking identification module 16 can adopt a fingerprint identification module, and determines whether to unlock by identifying the fingerprint of the user, namely, the identification is passed, so that an unlocking instruction is given to the control board 6, and then the speed reduction motor 8 is driven.

2. The unlocking identification module 16 can adopt a key module, namely, a corresponding password is input through the key module, and the password verification is passed to drive the speed reducing motor 8, so as to realize unlocking.

3. The unlocking identification module 16 can adopt a Bluetooth communication module or other network communication modules, intelligent unlocking is carried out through APP by the mobile phone successfully paired, or communication is carried out with the mobile phone through NB network/2G-5G network, so that a user can send a command through the mobile phone to control the driving of the speed reduction motor 8.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an electronic lock based on motor drive, includes the lock body and counterpoints and insert the collar stay on the lock body, the one end that the collar stay inserted the lock body is provided with the spring and spacing in the lock body through the cotter, its characterized in that: the lock body is internally provided with a rotating shaft, a control panel, a battery and a speed reducing motor, wherein the battery and the speed reducing motor are electrically connected with the control panel, an eccentric shaft is sleeved on a motor shaft of the speed reducing motor, an eccentric groove is formed in the rotating shaft and sleeved on the eccentric shaft through the eccentric groove, an arc-shaped bayonet is formed in the outer side wall of the rotating shaft, a locking cavity is formed in the position, located at the arc-shaped bayonet, of the lock body, a ball is placed in the locking cavity, the outer surface of the ball is mutually abutted to the arc-shaped bayonet, the side face of one end of the lock beam is located at the position of the locking cavity and provided with a locking notch for clamping the ball.

2. A motor drive based electronic lock as defined in claim 1 wherein: the lock body is provided with an unlocking identification module used for inputting an unlocking instruction, and the unlocking identification module is electrically connected with the control panel.

3. A motor drive based electronic lock as defined in claim 2 wherein: the unlocking identification module is a key module.

4. A motor drive based electronic lock as defined in claim 2 wherein: the unlocking identification module is a Bluetooth communication module.

5. A motor drive based electronic lock as defined in claim 2 wherein: the unlocking identification module is a fingerprint identification module.