CN211422127U

CN211422127U - Lock body structure with NFC detects function

Info

Publication number: CN211422127U
Application number: CN201922009129.XU
Authority: CN
Inventors: 李文博
Original assignee: Shenzhen Zhongdian Core Technology Co ltd
Current assignee: Shenzhen Zhongdian Core Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-04
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to the technical field of lock body structures, and discloses a lock body structure with NFC detection function, which comprises a motor controlled by a control element, an NFC detection device, a cam and a spring bolt formed with a contact surface contacting with the cam, wherein the NFC detection device transmits a NFC signal to the control element, the control element drives the motor to rotate, the motor rotates to drive the cam to rotate, the cam drives the spring bolt to be separated from a lock hole, and the lock body structure is in an unlocking state; through setting up NFC detection device, motor and cam, NFC detection device transmits control element after detecting the NFC signal, and control element orders about the motor and rotates, and the cam is driven by the motor, and the spring bolt is also driven and is removed toward the direction that deviates from the lockhole for the lock body structure gets into the state of unblanking, and is very convenient, and the structure is also very simple.

Description

Lock body structure with NFC detects function

Technical Field

The patent of the utility model relates to a technical field of lock body structure particularly, relates to lock body structure with NFC detects function.

Background

The prior intelligent lock mostly adopts an RFID intelligent lock, which is unlocked by a card containing an RFID chip, so that a card reader circuit structure is required to be produced, and a special card is required to be produced, thereby increasing the production cost of the RFID intelligent lock; moreover, people need to take cards when going out, and the risk that the cards cannot enter the door or are lost due to missing of the cards exists; lock body structures with NFC detection functionality using relatively low power are becoming increasingly popular.

At present, a lock body structure with an NFC detection function comprises a gear, a rack and a motor, the gear is rotated by the motor to enable the rack to move, then the rack drives a lock cylinder to move back and forth, and therefore switching of the on-off state of the lock body structure is achieved.

In the prior art, the lock body structure with the NFC detection function is too complex in structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lock body structure with NFC detects function aims at providing a simple structure feasible lock body structure with NFC detects function.

The utility model discloses a realize like this, have lock body structure that NFC detected the function, including motor, NFC detection device, the cam that receives control element control and be formed with the spring bolt of the contact surface of cam contact, NFC detection device detects behind the NFC signal, transmits control element, control element orders about the motor is rotatory, the motor is rotatory to be driven the cam is rotatory, the cam drives the spring bolt breaks away from the lockhole, lock body structure is the state of unblanking.

Furthermore, the lock tongue is provided with a front end part and a rear end part which are embedded into the lock hole, a butt joint groove is formed on the surface of the rear end part facing the cam, the butt joint groove is provided with an upper side wall which is deviated from the lock hole, and the upper side wall forms the contact surface; the cam is provided with a protruding block, and when the lock body structure is in a closing structure, the protruding block abuts against the contact surface.

Further, the cam has a disc body having an arrangement surface facing the lock tongue, and the projection is formed on the arrangement surface.

Further, the arrangement surface and the surface of the rear end portion facing the cam are arranged oppositely and are arranged flatly.

Furthermore, an outer convex body is further formed on the surface, facing the cam, of the lock tongue, an anti-blocking groove is formed in the outer convex body, the lower portion of the disc body is embedded into the anti-blocking groove, and the protruding block is embedded into the abutting groove.

Furthermore, the mounting surface of the tray body, which is deviated from the arrangement surface, is connected with the extension rod of the motor, and the tray body is arranged in a suspended manner.

Furthermore, the motion path of the protruding block driven by the disc body to rotate is circular, and the radius of the motion path is smaller than the groove diameter of the abutting groove.

Further, the lock body structure comprises an outer shell, and a mounting cavity is formed in the outer shell in a hollow mode; the NFC detection device comprises an NFC antenna, the NFC antenna is arranged at the bottom of the lower cavity of the installation cavity, and the locking hole is formed in the lower cavity.

Further, NFC detection device still includes spring bolt detection switch, spring bolt detection switch has the contact section, the spring bolt quilt when outstanding piece drives from bottom to top and moves, back tip contact the contact section, spring bolt detection switch is triggered and transmission signal gives control element, the motor receives control element control down rotates, outstanding piece no longer contradicts the butt groove.

Furthermore, an outer convex block which is contacted with the lock tongue detection switch is formed on the tray body, when the outer convex block rotates along with the tray body and touches the lock tongue detection switch, the outer convex block returns to the lower side wall of the abutting groove, the lock tongue detection switch sends a signal to the control element, and the motor stops rotating.

Compared with the prior art, the utility model provides a lock body structure with NFC detects function, through setting up NFC detection device, motor and cam, NFC detection device transmits control element after detecting the NFC signal, and control element orders about the motor and rotates, and the cam is driven by the motor, and the spring bolt is also driven toward the direction removal that deviates from the lockhole for the lock body structure gets into the state of unblanking, and is very convenient, and the structure is also very simple.

Drawings

Fig. 1 is a schematic view of a combination of a lock tongue detection switch, a lock tongue, a cam and a motor provided by the present invention;

fig. 2 is a schematic view of a combination of a latch bolt, a cam and a motor provided by the present invention;

fig. 3 is a schematic perspective view of the lock body structure provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-3, the preferred embodiment of the present invention is shown.

The lock body structure with the NFC detection function provided by the embodiment can be used in various places needing the lock body structure of the NFC detection device.

Lock body structure with NFC detects function, including motor 13, NFC detection device 19, the cam 12 that receives control element control and be formed with the spring bolt 11 with the contact surface of cam 12 contact, NFC detection device 19 orders about motor 13 rotatory after detecting the NFC signal, and motor 13 is rotatory to drive cam 12, and cam 12 drives spring bolt 11 and breaks away from the lockhole, and the lock body structure is the state of unblanking.

Through setting up NFC detection device 19, motor 13 and cam 12, NFC detection device 19 transmits control element after detecting the NFC signal, and control element orders about motor 13 and rotates, and cam 12 is driven by motor 13, and spring bolt 11 is also driven and is moved toward the direction that deviates from the lockhole for the lock body structure gets into the state of unblanking, and is very convenient, and the structure is also very simple.

The bolt 11 is provided with a front end part and a rear end part which are embedded into the lock hole, an abutting groove 17 is formed on the surface of the rear end part facing the cam 12, the abutting groove 17 is provided with an upper side wall which deviates from the lock hole, and the upper side wall forms a contact surface; the cam 12 is provided with a protruding block 16, when the lock body structure is in a closed structure, the protruding block 16 abuts against the contact surface, and when the cam 12 rotates, the protruding block 16 drives the bolt 11 to move in a direction away from the lock hole to be separated from the lock hole.

The front end part is a cylinder, the rear end part is a cylinder-like body, and the diameter of the cross section of the front end part is smaller than that of the cross section of the rear end part.

Wherein the cam 12 has a disc body having an arrangement face facing the latch tongue 11, and a protruding block 16 is formed on the arrangement face; the arrangement surface and the surface of the rear end part facing the cam 12 are arranged oppositely and flatly, and the disc body can not collide with each other due to the bolt 11 when rotating.

And the surface of the bolt 11 facing the cam 12 is also provided with an outer convex body 18, the outer convex body 18 is provided with a resistance groove, the lower part of the disc body is embedded into the resistance groove, and the protruding block 16 is embedded into the abutting groove 17, so that certain dustproof effect can be achieved.

The mounting surface of the disc body, which deviates from the arrangement surface, is connected with the extension rod of the motor 13, and the disc body is arranged in a suspended manner, so that the disc body is not influenced by the outer surface of the motor 13 when rotating.

The motion path of the protruding block 16 driven by the disc body to rotate is circular, and the radius of the motion path is smaller than the groove diameter of the abutting groove 17, so that when the cam 12 is driven by the motor 13 to idle, the problem of collision with the groove wall of the abutting groove 17 cannot occur.

The lock body structure also comprises an outer shell, and an installation cavity is formed in the outer shell in a hollow manner; the NFC detection device 19 includes an NFC antenna disposed at the lower cavity bottom of the installation cavity, and a locking hole is formed at the lower cavity bottom.

Wherein NFC detection device 19 still includes spring bolt 11 detection switch, and spring bolt detection switch 15 has the contact section, and when spring bolt 11 was moved from bottom to top by protruding piece 16 drive, back tip contact section, spring bolt detection switch 15 was triggered and transmission signal gives control element, and motor 13 is controlled the control of control element and is down rotated, and protruding piece 16 no longer contradicts butt groove 17 to in spring bolt 11 can insert the lockhole again, realize the state of locking.

An outer convex block 14 contacted with a bolt detection switch 15 is formed on the tray body, when the outer convex block 14 rotates along with the tray body and touches the bolt detection switch 15, the convex block 16 returns to the lower side wall of the abutting groove 17, the bolt detection switch 15 sends a signal to the control element, and the motor 13 stops rotating.

There is also a cylindrical arrangement of the protruding blocks 16 so that the disk is minimally impeded as the protruding blocks 16 are driven downward.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A lock body structure with an NFC detection function is characterized by comprising a motor controlled by a control element, an NFC detection device, a cam and a spring bolt formed with a contact surface contacted with the cam, wherein the NFC detection device transmits an NFC signal to the control element, the control element orders about the rotation of the motor, the motor rotates to drive the cam to rotate, the cam drives the spring bolt to be separated from a lock hole, and the lock body structure is in an unlocking state.

2. The lock body structure with the NFC detection function of claim 1, wherein the lock tongue has a front end portion embedded in the lock hole and a rear end portion, an abutting groove is formed on a surface of the rear end portion facing the cam, the abutting groove has an upper side wall facing away from the lock hole, and the upper side wall forms the contact surface; the cam is provided with a protruding block, and when the lock body structure is in a closing structure, the protruding block abuts against the contact surface.

3. The lock body structure with the NFC detection function according to claim 2, wherein the cam has a disc body having an arrangement surface facing the lock tongue, and the protruding block is formed on the arrangement surface.

4. A lock body structure with NFC detection function according to claim 3, wherein said arrangement face and a face of said rear end portion facing said cam are arranged facing each other and are arranged flat.

5. A lock body structure with NFC detection function according to claim 3, wherein a surface of said lock tongue facing said cam is further formed with an outer protrusion, said outer protrusion is formed with a blocking prevention groove, a lower portion of said disk body is inserted into said blocking prevention groove, and said protrusion is inserted into said abutting groove.

6. The lock body structure with the NFC detection function of claim 3, wherein a mounting surface of the disk body facing away from the arrangement surface is connected with an extension rod of the motor, and the disk body is arranged in a suspended manner.

7. The lock body structure with the NFC detection function of claim 3, wherein a movement path of the protruding block driven by the disc body to rotate is circular, and the radius of the movement path is smaller than the groove diameter of the abutting groove.

8. The lock body structure with the NFC detection function of any one of claims 1 to 3, wherein the lock body structure comprises an outer shell, and a mounting cavity is formed in the outer shell in a hollow mode; the NFC detection device comprises an NFC antenna, the NFC antenna is arranged at the bottom of the lower cavity of the installation cavity, and the locking hole is formed in the lower cavity.

9. The lock body structure with the NFC detection function of claim 3, wherein the NFC detection device further includes a tongue detection switch, the tongue detection switch has a contact section, when the tongue is moved from bottom to top by the protrusion, the rear end contacts the contact section, the tongue detection switch is triggered and transmits a signal to the control element, the motor is controlled by the control element to rotate downward, and the protrusion no longer abuts against the abutting groove.

10. The lock body structure with NFC detection function of claim 9, wherein an outer protrusion contacting with the lock tongue detection switch is formed on the disc, when the outer protrusion rotates along with the disc and touches the lock tongue detection switch, the protrusion returns to the lower sidewall of the abutting groove, the lock tongue detection switch sends a signal to the control unit, and the motor stops rotating.