CN216157370U

CN216157370U - Automatic lock

Info

Publication number: CN216157370U
Application number: CN202121887391.5U
Authority: CN
Inventors: 廖海强
Original assignee: Zhongshan City Jixin Core Lock Co ltd
Current assignee: Zhongshan City Jixin Core Lock Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-04-01
Anticipated expiration: 2031-08-12

Abstract

The invention relates to an automatic lock, which comprises a lock shell and a magnet, wherein the lock shell is fixedly arranged on the inner side of a door leaf, the magnet is fixedly arranged on the inner side of a door frame, a door magnetic switch device is arranged on the lock shell, a control circuit board, a driving motor and a storage battery are arranged in the lock shell, the driving motor is electrically connected with the control circuit board, the storage battery provides working voltage, the door magnetic switch device is electrically connected with the control circuit board, an output shaft of the driving motor is connected with a driving bevel gear, a lock tongue, a transmission shaft and a driven bevel gear are further arranged in the lock shell, the driven bevel gear is sleeved on the transmission shaft and coaxially rotates with the transmission shaft, the driven bevel gear is meshed with the driving bevel gear, a transmission part protrudes outwards from the transmission shaft, and drives the lock tongue to extend out of the lock shell or retract into the lock shell; when the door magnetic switch device senses the magnet, the driving motor works to enable the spring bolt to extend out of the lock shell to be locked, the automation degree is high, and the structural design is ingenious.

Description

Automatic lock

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of locks, in particular to an automatic lock.

[ background of the invention ]

The mechanical door lock in the prior art is generally provided with a lock cylinder for opening and closing the door lock. A key can be inserted into the outer side of the lock cylinder, and the key can be inserted to drive the shifting block of the lock cylinder to rotate, so that the lock can be opened and closed. Some keys can be inserted into the inner side of the lock core, some handles can be rotated, and some keys can be inserted into the handles to drive the shifting block of the lock core to rotate so as to realize locking and unlocking.

In order to realize intelligent electronic unlocking, the existing door lock is additionally provided with an electronic unlocking mechanism in a transmission mechanical door lock, but the existing electronic unlocking mechanism has the following defects: 1. when the electronic unlocking and the manual unlocking are switched, the locking is easy, so that the manual unlocking is not smooth, and the structural design is complex; 2. connecting the power source and communicating with the electronic device requires additional wiring, which is inconvenient to install on the door lock.

In addition, the bolt assembly in the prior art is installed in the door body, and the lock body assembly is installed on one side of the door leaf, and the bolt assembly needs to be installed in the door body through drilling during assembly, so that the process is complex.

[ summary of the invention ]

In order to solve the problems, the invention provides the automatic lock with simple structure and high automation degree.

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

an automatic lock comprises a lock shell 2 fixedly arranged on the inner side of a door leaf 1 and a magnet 3 fixedly arranged on the inner side of a door frame, wherein a door magnetic switch device 4 matched with the magnet 3 is arranged on the lock shell 2, a control circuit board 5, a driving motor 6 electrically connected with the control circuit board 5 and a storage battery 7 respectively providing working voltage for the control circuit board 5, the driving motor 6 and the door magnetic switch device 4 are arranged in the lock shell 2, the door magnetic switch device 4 is electrically connected with the control circuit board 5, an output shaft of the driving motor 6 is connected with a driving bevel gear 8, a lock tongue 9, a transmission shaft 10 and a driven bevel gear 11 sleeved on the transmission shaft 10 and coaxially rotating with the transmission shaft 10 are further arranged in the lock shell 2, the driven bevel gear 11 is meshed with the driving bevel gear 8, and a transmission part 101 protrudes outwards from the transmission shaft 10, the transmission part 101 drives the bolt 9 to extend out of the lock case 2 or retract into the lock case 2.

As a preferred embodiment, further defined is: the transmission shaft 10 is further provided with a switch detection piece 12, and a plurality of induction switches 13 used for sensing the positions of the switch detection piece 12 are distributed on the control circuit board 5 in an annular array mode.

As a preferred embodiment, further defined is: the number of the inductive switches 13 is three, and the angle of the annular array among the three inductive switches 13 is 90 degrees.

As a preferred embodiment, further defined is: the inductive switch 13 is a hall inductive switch.

As a preferred embodiment, further defined is: an arc-shaped notch 900 is formed in one side, close to the transmission shaft 10, of the lock tongue 9, and the radius of the arc-shaped notch 900 is larger than that of the driven bevel gear 11.

As a preferred embodiment, further defined is: the bolt 9 is provided with a transmission hole 901 for inserting the end of the transmission part 101, so that the transmission shaft 10 can drive the bolt 9 to extend out of the lock case 2 or retract into the lock case 2 when rotating.

As a preferred embodiment, further defined is: one end of the transmission shaft 10 is connected with a knob switch 14 positioned outside the lock shell 2; the knob switch 14 rotates coaxially with the transmission shaft 10.

As a preferred embodiment, further defined is: an output shaft of the driving motor 6 is connected with the driving bevel gear 8 through a gear box 15.

As a preferred embodiment, further defined is: the other end of the transmission shaft 10 is connected with an outer handle 17 through a lock pin 16, and an NFC card induction module is arranged on the outer handle 17.

As a preferred embodiment, further defined is: the lock shell 2 is also provided with a back lock switch key 18 electrically connected with the control circuit board 5.

The beneficial effects of the invention are as follows: the invention induces the door opening and closing state through the door magnetic switch device and the magnet, and realizes that the lock tongue extends out of the lock shell to be locked or retracts into the lock shell to be unlocked through the driving motor and the gear assembly; the automation degree is high, and the structural design is ingenious.

In addition, the lock bolt group and the lock body assembly are combined into a whole, and the assembly process is simplified.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of the invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a partial schematic view of the structure;

FIG. 4 is an exploded schematic view of FIG. 3;

FIG. 5 is a schematic view of the unlocked state;

FIG. 6 is a schematic view of the locked state;

FIG. 7 is a schematic diagram of the structure of the control circuit board and the inductive switch;

fig. 8 is a schematic structural view of the locking tongue.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 and 2, the automatic lock comprises a lock shell 2 fixedly arranged on the inner side of a door leaf 1 and a magnet 3 fixedly arranged on the inner side of a door frame, wherein a door magnetic switch device 4 matched with the magnet 3 is arranged on the lock shell 2, a control circuit board 5, a driving motor 6 electrically connected with the control circuit board 5 and a storage battery 7 respectively providing working voltage for the control circuit board 5, the driving motor 6 and the door magnetic switch device 4 are arranged in the lock shell 2, the door magnetic switch device 4 is electrically connected with the control circuit board 5, an output shaft of the driving motor 6 is connected with a driving bevel gear 8, an output shaft of the driving motor 6 is connected with the driving bevel gear 8 through a gear box 15, so that speed reduction regulation is realized, and rotation of the driving bevel gear 8 is controlled more accurately. The gearbox is also self-contained with feedback detection. The lock shell 2 is also internally provided with a lock tongue 9, a transmission shaft 10 and a driven bevel gear 11 which is sleeved on the transmission shaft 10 and coaxially rotates with the transmission shaft 10, the driven bevel gear 11 is meshed with the driving bevel gear 8, a transmission part 101 is convexly arranged on the transmission shaft 10, and the transmission part 101 drives the lock tongue 9 to extend out of the lock shell 2 or retract into the lock shell 2. When the door magnetic switch device senses the magnet, the driving motor works to enable the spring bolt to extend out of the lock shell to be locked, the automation degree is high, and the structural design is ingenious. In addition, the lock bolt group and the lock body assembly are combined into a whole, and the assembly process is simplified.

As shown in fig. 3 and 4, the transmission shaft 10 is further provided with a switch detector 12, and as shown in fig. 7, a plurality of inductive switches 13 for sensing the position of the switch detector 12 are distributed on the control circuit board 5 in an annular array. More specifically, the number of the inductive switches 13 is three, and the angle of the annular array between three inductive switches 13 is 90 °. The inductive switch 13 is a photoelectric inductive switch, preferably a hall inductive switch. The switch detector 12 has an extension 121 extending outward, and the hall sensor switch detects the extension 121 to determine the rotational position of the transmission shaft 10. Switch detection piece 12 is provided with the confession the breach of stepping down 120 that transmission portion 101 stretches out, transmission shaft 10 promotes the oral cavity wall of the breach of stepping down 120 and realizes the rotation of switch detection piece 12 through transmission portion 101 when rotating. And the radian of the abdicating notch 120 is increased, so that the allowable rotating range of the transmission shaft 10 can be increased, and the stroke of the bolt 9 is further increased. In other words, the transmission shaft 10 needs to rotate reversely by the arc of the abdicating notch 120 before starting the rotation of the push switch detector 12.

In this embodiment, in order to further reduce the size of the product and reasonably utilize the limited space, so that the interior of the product is more compact, as shown in fig. 8, an arc-shaped notch 900 is formed in one side of the locking tongue 9 close to the transmission shaft 10, and the radius of the arc-shaped notch 900 is greater than that of the driven bevel gear 11. When the bolt 9 is retracted into the lock case 2, the transmission shaft 10 is located in the arc-shaped notch 900.

In this embodiment, the latch 9 is provided with a transmission hole 901 for inserting the end of the transmission part 101, so that the transmission shaft 10 can drive the latch 9 to extend out of the lock case 2 or retract into the lock case 2 when rotating, and the structure is simple.

In this embodiment, one end of the transmission shaft 10 is connected with a knob switch 14 located outside the lock case 2; the knob switch 14 and the transmission shaft 10 rotate coaxially to achieve indoor unlocking, and the unlocking can be achieved only by twisting the knob switch 14.

The other end of the transmission shaft 10 is connected with an outer handle 17 through a lock pin 16, and an NFC card induction module is arranged on the outer handle 17 and can be unlocked through a card swiping function. In addition, a Bluetooth module can be added to perform Bluetooth control through a mobile phone APP and the like. The lock shell 2 is further provided with a back locking switch key 18 electrically connected with the control circuit board 5, when the back locking switch key 18 is pressed down, the door cannot be unlocked by swiping a card or controlled by Bluetooth, and the safety performance is high.

Claims

1. An automatic lock comprises a lock shell (2) fixedly arranged on the inner side of a door leaf (1) and a magnet (3) fixedly arranged on the inner side of a door frame, wherein a door magnet switch device (4) matched with the magnet (3) is arranged on the lock shell (2), and the automatic lock is characterized in that a control circuit board (5), a driving motor (6) electrically connected with the control circuit board (5) and a storage battery (7) respectively providing working voltage for the control circuit board (5), the driving motor (6) and the door magnet switch device (4) are arranged in the lock shell (2), the door magnet switch device (4) is electrically connected with the control circuit board (5), an output shaft of the driving motor (6) is connected with a driving bevel gear (8), a lock tongue (9), a transmission shaft (10) and a driven bevel gear (11) which is sleeved on the transmission shaft (10) and coaxially rotates with the transmission shaft (10) are further arranged in the lock shell (2), the driven bevel gear (11) is meshed with the driving bevel gear (8), a transmission part (101) protrudes outwards from the transmission shaft (10), and the transmission part (101) drives the bolt (9) to extend out of the lock shell (2) or retract into the lock shell (2).

2. The automatic lock according to claim 1, characterized in that said transmission shaft (10) is further provided with a switch detection member (12), and said control circuit board (5) is provided with a plurality of inductive switches (13) distributed in an annular array for sensing the position of said switch detection member (12).

3. Automatic lock according to claim 2, characterized in that said inductive switches (13) are provided in three, with an annular array angle of 90 ° between three of said inductive switches (13).

4. Automatic lock according to claim 3, characterized in that said inductive switch (13) is a Hall inductive switch.

5. The automatic lock according to any one of claims 1 to 4, characterized in that the side of said bolt (9) close to said transmission shaft (10) is provided with an arc-shaped notch (900), the radius of said arc-shaped notch (900) being greater than the radius of said driven bevel gear (11).

6. Automatic lock according to claim 5, characterized in that said bolt (9) is provided with a transmission hole (901) for the insertion of the end of said transmission part (101) so that the transmission shaft (10) when rotating can bring said bolt (9) to extend outside said housing (2) or to retract inside said housing (2).

7. Automatic lock according to claim 6, characterized in that one end of said transmission shaft (10) is connected to a knob switch (14) located outside said lock case (2); the knob switch (14) and the transmission shaft (10) rotate coaxially.

8. Automatic lock according to claim 6, characterized in that the output shaft of the drive motor (6) is connected to the drive bevel gear (8) by means of a gear box (15).

9. The automatic lock according to claim 6, characterized in that the other end of said transmission shaft (10) is connected to an external handle (17) through a cylinder (16), said external handle (17) being provided with an NFC card induction module.

10. Automatic lock according to claim 6, characterized in that said lock case (2) is further provided with an anti-lock switch button (18) electrically connected to said control circuit board (5).