WO2020048030A1

WO2020048030A1 - Smart lock drive device

Info

Publication number: WO2020048030A1
Application number: PCT/CN2018/119648
Authority: WO
Inventors: 张玉中; 赵阳日
Original assignee: 一诺电器有限公司
Priority date: 2018-09-07
Filing date: 2018-12-07
Publication date: 2020-03-12
Also published as: CN109025521A; CN109025521B; KR20200029377A; KR102274300B1

Abstract

Disclosed in the present invention is a smart lock drive device, comprising a shell of a lock body, a dead bolt mechanism, a latch bolt mechanism and a square bar. A side of the shell comprises a side wall of the shell. Said drive device comprises an electric drive mechanism and a square bar drive mechanism. The square bar drive mechanism comprises a clutch portion. The clutch portion comprises a clutch member. The clutch member comprises a fixed end and a free end. The electric drive mechanism can drive the free end of the clutch member to rotate around the fixed end as an axis. The smart lock drive device of the present invention has a simple structure, and the core components thereof can be produced modularly, so that assembly is easy and said device is more suitable for mass production. For said device, in clutch driving, the stroke is short, the transmission structure is simple and small, the occupied space is small, and the appearance is small and aesthetic, so that said device is more popular among users. The movement path of the electric drive mechanism is determined by means of a sensor, improving the stability and accuracy of the overall drive device, and reducing the failure rate, and there is no repeated movement, avoiding unnecessary loss during the movement of the electric motor.

Description

Intelligent lock driving device

Technical field

The invention relates to the field of locks, in particular to a smart lock and a driving device for the smart lock.

Background technique

At present, smart door locks are commonly used on the doors of homes' halls, offices, warehouses, etc., which include mortise locks installed inside the lock body, indoor lock bodies installed on the indoor side of the door, and outdoor doors. Outdoor lock on the other side. Among them, the mortise lock has a door bolt that performs a locking function and a bolt for opening and closing the door. When the door bolt and the bolt are locked in the door lock, the opening button (or the rotary button) of the indoor lock body is used. ) Or indoor handle or outdoor lock body password input or the use of security locks (key-like manual locks or security cards), fingerprint recognition, etc., the door latch is unlocked, so that the user's internal handle or outdoor handle will lock When the tongue is introduced into the mortise lock, the door opening operation is completed.

However, the existing smart locks have many parts and complicated structures, which is not conducive to the transmission of force and miniaturization of the smart locks, and increases the probability that the internal parts are not properly connected.

The Chinese patent number is 201310144527.7, and the invention patent name is a door lock clutch device. A smart lock drive device is disclosed. The drive device includes a clutch mechanism, an ejector rod and an electromagnetic drive unit for driving the retractable rod. The ejector rod is opposite the electromagnetic drive unit. The other end is set in cooperation with the clutch pushing arc. The patent realizes the whole of the smart lock through an electromagnetic drive unit.

However, this solution is more cumbersome during assembly, and manufacturers cannot modularize production during production; and the overall mechanism is large, making the lock body larger. At present, consumers on the market have increasingly higher requirements for appearance and beautiful appearance. The degree also influences consumer choices.

Summary of the Invention

The problem to be solved by the present invention is how to make up for the shortcomings of the prior art, and provide a smart lock driving device that can be produced in a modular manner and has a beautiful appearance.

The technical problems of the invention can be solved by the following technical solutions:

An intelligent lock driving device includes a housing of a lock body, a square tongue mechanism, an oblique tongue mechanism, and a square rod. The side of the casing includes a side wall of the casing. The driving device includes an electric driving mechanism and a square rod driving mechanism. The driving mechanism includes a clutch part including a clutch part, the clutch part includes a fixed end and a free end; and the electric drive mechanism can drive the free end of the clutch part to rotate around the fixed end as an axis.

Further, the clutch member includes a clutch hole inside, and the driving device further includes a clutch driving mechanism driven by the electric driving mechanism, and the clutch driving mechanism includes a driving post cooperatively connected with the clutch hole; the electric drive When the mechanism drives the clutch driving mechanism to move, the driving column drives the clutch hole to rotate the clutch with the fixed end as an axis.

Further, the clutch portion includes an upper clutch portion and a lower clutch portion, and the upper clutch portion and the lower clutch portion include a clutch connection portion connected to a fixed end of the clutch member.

Further, the square rod driving mechanism includes a top insert, a gear shaft, a mobile insert, a bottom insert, and a fixed insert.

Further, the gear shaft includes a gear, and the square tongue mechanism includes a square tongue gear that meshes with the gear; the gear drives the square tongue gear to rotate by means of gear rotation, so that the square tongue mechanism extends Or into the side wall of the shell.

Further, the top plug-in includes a top plug-in post, a top plug-in card board, and a top plug-in protrusion, and the bottom plug-in includes a bottom plug-in column, a bottom plug-in card board, and a bottom plug-in protrusion; the top plug-in post and the bottom plug-in The column forms a whole by connecting the clutch part, the gear shaft, and the mobile card in series, and any one of the top card and the bottom card is in contact with the clutch.

Further, the gear shaft includes a gear protrusion, the mobile insert includes a mobile insert post, the fixed insert is fixedly connected to the mobile insert post, and after the connection, the fixed insert contacts the bottom insert protrusion; The two ends of the mobile plug-in column are in contact with the clutch member and the gear protrusion, respectively.

Further, the clutch driving mechanism includes a driving connection portion, the driving connection portion includes a driving connection side wall, the driving device includes an induction member for sensing the driving connection side wall, and the induction member senses the driving When the side wall is connected, the induction member generates an electric signal to the electric drive mechanism, and the electric drive mechanism (4) starts to work in the reverse direction, and the reverse work has the same workload.

Further, the clutch driving mechanism includes a driving connection portion, an elastic portion, and a driving base fixed to the housing. The driving base includes a base protrusion, and the driving connection portion includes a housing protrusion and a base. In the driving connection groove of the elastic part, without external force, the natural tension of the elastic part makes the driving connection part always have a force far away from the driving mechanism of the square rod.

Further, the driving device includes a clutch driving mechanism, and a lever mechanism connected at both ends to the clutch driving mechanism and the electric driving mechanism, respectively.

Further, the lever mechanism includes a lever portion, the housing includes a rotation shaft, and a through hole in a center of the lever portion generates a lever movement with the rotation axis as a center.

Compared with the prior art, the beneficial effects achieved by the present invention are:

The smart lock driving device described in the present invention has a simple structure and modular production of core components, so it is convenient to assemble and is more suitable for mass production;

There are various driving modes, and any driving mode such as motor or electromagnetic can achieve technical effects;

The clutch drive has a small stroke, a simple and compact transmission structure, takes up less space, and has a small and beautiful appearance, which is more popular with users;

The movement path of the electric drive mechanism is determined by the inductor, which improves the stability and accuracy of the overall drive device, reduces the failure rate, does not repeat the movement, and avoids unexplained losses during the movement of the motor.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic diagram of an initial state of a smart lock driving device according to the present invention;

FIG. 2 is an enlarged schematic view at B in FIG. 1; FIG.

3 is an exploded schematic view of a square rod driving mechanism of a smart lock driving device according to the present invention;

4 to 6 are schematic diagrams of the overall appearance of three different angles of a square rod driving mechanism of a smart lock driving device of the present invention;

7 is an exploded schematic view of an elastic driving mechanism of a smart lock driving device according to the present invention;

FIG. 8 is a schematic structural diagram of an intelligent lock driving device with an elastic driving mechanism after removing an upper cover according to the present invention; FIG.

9 is an exploded schematic view of a lever mechanism of a smart lock driving device according to the present invention;

10 is a schematic structural diagram of a smart lock driving device in an initial state according to the present invention;

11 is a schematic structural diagram of a smart lock driving device in a locked state according to the present invention.

Number in the figure:

Housing A, housing sidewall S, square rod driving mechanism 1, top insert 11, top insert post 111, top insert card 112, top insert protrusion 113, clutch part 12, upper clutch part 121, upper clutch ferrule hole 1211, upper clutch portion convex wall 1212, first connection hole 1213, lower clutch portion 122, lower clutch portion ferrule hole 1221, lower clutch portion convex wall 1222, second connection hole 1223, clutch member 123, clutch member side wall 1231 , Clutch inner wall 1232, clutch protrusion 1233, clutch hole 1234, gear shaft 13, gear shaft ferrule hole 131, gear 132, gear protrusion 133, mobile insert 14, mobile insert ferrule 141, mobile insert post 142, Mobile card post hole 1421, mobile card protrusion 143, bottom card 15, bottom card post 151, bottom card board 152, bottom card protrusion 153, fixed card 16, clutch drive mechanism 2 driving base 21, base projection 211, Base groove 212, base side 213, base side groove 214, base connection post hole 215, drive connection 22, drive post 221, drive connection groove 222, drive connection bottom wall 223, drive connection side wall 224, drive Connection post hole 225, drive upper cover 23, drive Cover hole 231, drive connection post 24, elastic part 25, lever mechanism 3, lever part 31, lever part protrusion 311, lever base 32, lever top seat 33, electric drive mechanism 4, electric drive post 41, square tongue mechanism 5. Square tongue gear 51, oblique tongue mechanism 6, induction member 7.

detailed description

To facilitate understanding, various components on the drawing are enlarged (thick) or reduced (thin), but this method is not intended to limit the scope of protection of the present invention.

Words in the singular also include the plural and vice versa

The words in this specification are used to describe the embodiments of the present invention, but are not intended to limit the present invention.

In order to distinguish different units, the first and second words are used in this specification, but these are not limited by the order of manufacture. In the detailed description of the invention and the claims, the names may be different.

For the convenience of explaining the smart lock body of the present invention, for convenience, the approximate vertical, horizontal, and leftward direction standards are specified with reference to FIG. When the detailed description of the invention related to other drawings and the claims have no special requirements, the direction is determined according to this method.

Hereinafter, the present invention will be further described based on preferred embodiments with reference to the drawings.

The smart lock driving device according to the present invention is provided with a casing A surrounding the lock body to prevent the lock body from being exposed to the outside. A square tongue mechanism 5 and an inclined tongue mechanism 6 are provided inside the lock body. A side wall S of the casing A is provided with a side wall S of the casing, and a hole is provided on the side wall S of the casing for the square tongue mechanism 5 and the inclined tongue mechanism. The head of 6 extends in and out of the side wall S of the casing. When the heads of the square tongue mechanism 5 and the oblique tongue mechanism 6 all extend out of the side wall S of the casing, the lock body is in a locked state. When the square tongue mechanism 5 extends into the casing At the side wall S, the lock body is in a door-opening state. At this time, the protrusion or extension of the oblique tongue mechanism 6 has no effect on the lock body in a door-opening state.

Please refer to FIG. 1, a smart lock driving device according to the present invention includes a square rod driving mechanism 1, a clutch driving mechanism 2, a lever mechanism 3, an electric driving mechanism 4, and an induction member 7. During operation, the square tongue mechanism 5 moves under the action of the square rod driving mechanism 1 to realize the door opening and locking of the extension lock body. The method of driving the square rod driving mechanism 1 is: the electric driving mechanism 4 drives the lever mechanism 3 to drive the clutch driving mechanism. 2 movement, after the clutch driving mechanism 2 moves, the square rod driving mechanism 1 rotates under the driving of the square rod, and at this time, the square tongue mechanism 5 moves accordingly.

Please refer to FIG. 1 and FIG. 2, the tongue mechanism 5 includes a tongue gear 51 connected to the tongue mechanism 5, and the tongue gear 51 meshes with the square rod driving mechanism 1.

The electric drive mechanism 4 includes an electric drive post 41. When the lock body is in the door open state or the door lock state, the electric drive post 41 is in a fixed position when it is stationary. When the lock body needs to move from door to door or from door to door When the electric drive mechanism 4 receives the door opening signal, the electric drive mechanism 4 drives the electric drive column 41 to move and presses the lever mechanism 3; when the sensor 7 senses the signal, the electric drive mechanism 4 stops and moves in the reverse direction to drive the electric drive column 41 returns to its fixed position when stationary.

The door opening signal referred to herein includes an electrical signal generated in any manner, such as a fingerprint, a smart door card, and a digital password lock. The present invention does not limit the manner of generating the electrical signal.

The electric driving method of the electric driving mechanism 4 may be a motor driving method or an electromagnetic driving method, as long as the electric driving column 41 can be moved, the driving method of the present invention is not limited by the present invention.

Please refer to FIGS. 2, 3 to 6. The square rod driving mechanism 1 includes a top insert 11, a clutch 12, a gear shaft 13, a mobile insert 14, a bottom insert 15, and a fixed insert 16. The top insert 11 and the bottom insert 15 connect the clutch 12, the gear shaft 13, and the mobile insert 14 in series to form a whole; the fixed insert 16 is fixedly connected to the bottom insert 15.

The top card 11 includes a top card post 111 protruding from the body of the top card 11, a top card board 112 that is in contact with the bottom card 15, and a top card protrusion 113 protruding from the side of the top card 11.

The bottom insert 15 includes a bottom insert post 151 protruding from the body of the bottom insert 15, a bottom insert card 152 contacting the top insert card 112 of the top insert 11, and a bottom insert protrusion 153 protruding from the bottom insert 15 side. .

The gear shaft 13 includes a gear shaft ferrule hole 131 for receiving the top plug post 111 or the bottom plug post 151, a gear 132 meshing with the tongue gear 51 of the square tongue mechanism 5, and a side of the gear shaft 13 protruding from the body的齿轮 Projection 133.

The gear 132 drives the tongue gear 51 to rotate in a manner of gear rotation.

The mobile card 14 includes a mobile card ferrule hole 141 for accommodating the top card post 111 or the bottom card post 151, a mobile card 14 body protruding from the side, a mobile card post 142 in contact with the clutch portion 12, and a side protruding from the The mobile card protrusion 143 of the mobile card 14 body.

The mobile card post 142 is provided with a mobile card post hole 1421 for receiving the fixed card 16. The fixed plug-in 16 is inserted into the mobile plug-in hole 1421, and after being inserted, the fixed plug-in 16 is fixedly connected to the mobile plug-in 14, and the fixed plug-in 16 is in contact with the bottom plug-in protrusion 153 at this time.

The clutch portion 12 includes an upper clutch portion 121 located between the top insert 11 and the gear shaft 13, a lower clutch portion 122 located between the gear shaft 13 and the moving insert 14, and a clutch portion 122 located between the upper clutch portion 121 and the lower clutch portion 122. The clutch member 123 is rotatably connected to the upper clutch portion 121 and the lower clutch portion 122. After being connected, the clutch member 123 is located outside the gear shaft 13, and an inner wall thereof can be in contact with the gear shaft 13, and a side wall can be in contact with the movable insert post 142.

The upper clutch portion 121 and the lower clutch portion 122 have the same shape. The upper clutch portion 121 and the lower clutch portion 122 are respectively provided with an upper clutch ferrule hole 1211 and a lower clutch ferrule for accommodating the top plug post 111 or the bottom plug post 151, respectively. The hole 1221 and the upper clutch part convex wall 1212 and the lower clutch part convex wall 1222 which protrude from the upper clutch part 121 body and the lower clutch part 122 side are usefully provided on the upper clutch part convex wall 1212 and the lower clutch part convex wall 1222. The first connection hole 1213 and the second connection hole 1223 are connected to the clutch member 123.

The clutch member 123 includes a clutch member side wall 1231 that is in contact with the mobile plug column 142, and an inner wall 1232 of the clutch member that is adapted to the shape of the side surface of the gear shaft 13 and is in contact with the arc. The first connection hole 1213 and the second A clutch protrusion 1233 connected to the connection hole 1223 and a clutch hole 1234 connected to the clutch driving mechanism 2.

After the clutch member 123 is connected to the upper clutch member 121 and the lower clutch member 122, the clutch connection portions are the connection points of the first connection hole 1213, the second connection hole 1223, and the clutch protrusion 1233. In this embodiment, the clutch connection portion It is a fixed end, specifically, one side of the clutch protrusion 1233 is a fixed end, and one side of the side wall 1231 of the clutch is a free end. Its free end can rotate around the fixed end as its axis.

In this embodiment, after assembly, the top card 112 and the bottom card 152 are in contact, and the top card 112 and the bottom card 152 may be in contact with the side of the clutch 12, the gear shaft 13, and the mobile card 14. . Of course, the top plug-in card board 112 and the bottom plug-in card board 152 may not be in contact, as long as any one of the top plug-in card board 112 and the bottom plug-in card board 152 is in contact with the clutch portion 12, the functions of the present invention can be realized.

The top insert post 111 and the bottom insert post 151 connect the top insert 11 and the bottom insert 15 in series with the clutch part 12, the gear shaft 13, and the mobile insert 14, and rotate with the top insert post 111 or the bottom insert post 151 as a rotation axis.

Both sides of the top card 112 and the bottom card 152 may be in contact with the gear 132 and the clutch 12, respectively.

The two sides of the top card 112 and the bottom card 152 are in contact with the gear 132 and the clutch 12, respectively.

The top plug-in card board 112 and the bottom plug-in card board 152 can contact the side of the gear 132 simultaneously. Therefore, if an external force drives the gear 132 to rotate, the gear 132 can drive the top plug-in card board 112 and the bottom plug-in card board 152 to rotate synchronously.

The other side of the top card 112 and the bottom card 152 are in contact with the clutch 12. After assembly, the clutch 123 connects the upper clutch 121 and the lower clutch 122 as a whole, so if there is an external force to drive the top card When the card board 112 and the bottom card board 152 rotate, and the top card board 112 and the bottom card board 152 contact any one of the upper clutch part 121 or the lower clutch part 122, the clutch part 12 can also rotate.

The clutch side wall 1231 of the clutch member 123 can be in contact with the mobile plug column 142. In this way, when the clutch part 12 rotates, the clutch side wall 1231 touches the mobile plug column 142, which can cause the mobile plug column 142 to rotate with it.

The other side of the movable plug-in post 142 may be in contact with the top plug-in protrusion 133. When the mobile plug-in post 142 is rotated, the top plug-in protrusion 133 may be driven to rotate with it.

Please refer to FIGS. 2, 7, and 8. The clutch driving mechanism 2 includes a driving base 21, a driving connection portion 22, a driving upper cover 23, a driving connection post 24, and an elastic portion 25. The driving base 21 and the driving upper cover 23 form an accommodating cavity for receiving the driving connecting portion 22 and the elastic portion 25. The driving connecting post 24 passes through the driving upper cover 23 to connect the driving connecting portion 22 and the driving base 21.

In this embodiment, the elastic portion 25 is preferably a compression spring. Of course, any elastic body that can achieve its function, such as a sponge, an elastic sheet, etc., is also within the protection scope of the present invention, which is not limited in this embodiment.

The driving base 21 is provided with a base protrusion 211 protruding from the surface of the driving base 21 body, a base groove 212 recessed in the base to receive the elastic body 25 in a semi-arc shape, and two sides protruding from the surface of the driving base 21 body surface The edge base side 213, the base side groove 214 recessed on the base side 213, and the base connection post hole 215 for receiving the driving connection post 24 are provided on the side of the base side 213.

The driving connection part 22 is provided with a driving post 221 accommodated in the clutch hole 1234 and connected with the clutch 123, a driving connection groove 222 for receiving the base protrusion 211 and the elastic part 25, and is in contact with and can be received by the lever mechanism 3. The driven connection bottom wall 223, the connection wall 224 received in the groove 214 on the side of the base and projecting into the induction member 7, and the connection hole 225 for the connection of the connection post 24.

In the present invention, the sensing form of the sensing element 7 is not limited. The sensing element 7 may be sensing element sensing or physical sensing. Any structure capable of achieving the technical effects described in the present invention shall fall within the protection scope of the claims of the present invention. Inside. The sensing element referred to in this embodiment is a photocoupler.

The diameter of the driving connection column hole 225 is larger than the diameter of the driving connection column 24, and the length of the side groove 214 of the base is also longer than the driving connection side wall 224, so that when the driving connection column 24 fixes the driving base 21 and the driving upper cover 23, it is driven. The connecting portion 22 has a movable space.

When assembling, the driving connecting portion 22 is assembled on the driving base 21. At this time, a part of the elastic body 25 is accommodated in the base groove 212, and the other part and the base protrusion 211 are accommodated in the driving connecting groove 222 together; The connecting portion 22 is located in the package of the left and right base side edges 213, so that it can only move vertically in the direction of the base side 213 guidance; the connection side wall 224 is driven to protrude from the base side groove 214 from the base side groove 214 The package 213 extends into the sensor 7.

The driving connecting post 24 passes through the driving upper cover hole 231, the driving connecting post hole 225, and the base connecting post hole 215 on the driving upper cover 23 and is connected to the housing A, so that the entire clutch driving mechanism 2 is integrated. At this time, the elastic body Under the action of the tension of 25, there is always a force to drive the driving connection portion 22 away from the square rod driving mechanism 1. Since the driving connection bottom wall 223 is in contact with the lever mechanism 3, the driving connection portion 22 always has a force in the direction of pressing the lever mechanism 3.

The drive post 221 on the other side of the drive connection portion 22 extends into the clutch hole 1234 of the clutch member 123 and is connected to the clutch member 123. When the driving connecting portion 22 is moved, the clutch member 123 is driven to rotate around the clutch protrusion 1233 as an axis. When the driving connecting portion 22 moves upward, the clutch 123 is driven to move upward, so that the inner wall 1232 of the clutch is in contact with the side of the gear shaft 13; When the driving connecting portion 22 is moved downward, the clutch 123 is moved downward to cause the clutch The inner wall 1232 is far from the gear shaft 13.

Referring to FIGS. 8 and 9, the lever mechanism 3 includes a lever portion 31 that is symmetrical on both sides, a lever base 32 and a lever top seat 33 that are fixedly connected to the casing A. A hole is provided at the symmetrical center of the lever portion 31 for receiving the protrusion on the lever base 32. The lever top base 33 is used to prevent the lever portion 3 and the lever base 32 from falling off. After connection, the lever portion 31 is leveraged with the lever base 32 as the center, that is, the lever base 32 is used as the rotation axis.

The lever portion protrusions 311 are provided on both sides of the lever portion 31. The lever portion protrusions 311 can directly contact the side of the housing A, but due to the lever action of the lever base 32 on the lever portion 31, the lever portion protrusions 311 on both sides cannot be simultaneously It is in contact with the side of the case A.

Both sides of the lever portion 31 are in contact with the electric driving column 41 and the driving connection bottom wall 223, respectively. When the electric driving column 41 presses the lever portion protrusion 311 of the lever portion 31, the other side lever portion in contact with the driving connection bottom wall 223 The protrusion 311 will be far away from the side of the casing A; on the contrary, when the electric driving column 41 is not pressed against the lever portion protrusion 311, the driving connection portion 22 is in a state close to the side of the casing A under the natural tension of the elastic portion 25 . That is, the driving connection bottom wall 223 will press the lever portion protrusion 311, and at this time, the lever portion protrusion 311 on the side contacting the electric driving column 41 will be far away from the side of the casing A.

Hereinafter, the work flow of the driving device of the present invention will be further described.

Please refer to FIG. 1 to FIG. 2, FIG. 10 to FIG. 11, the driving device according to the present invention, the lock body is mainly in two states, that is, the door opening state and the door locking state.

When the door is opened, the oblique tongue mechanism 6 protrudes out of the side A of the casing. At this time, the electric driving column 41 is in a fixed position, the driving connecting portion 22 is in a state close to the side of the casing A under the natural tension of the elastic portion 25, and the driving connecting bottom wall 223 will press the lever portion protrusion 311 on one side, so that the pressing The lever portion protrusion 311 on the side is in contact with the side of the housing A; the clutch member 123 is driven by the driving connection portion 22, and the inner wall 1232 of the clutch member is detached from the side wall of the gear shaft 13, and the side wall 1231 of the clutch member is not in contact with the moving insert post 142.

At this time, since the side wall 1231 of the clutch member is not in contact with the movable insert post 142, even if the square rod rotates to rotate the top insert 11 or the bottom insert 15, the clutch portion 12 cannot drive the gear shaft 13 and then cannot be engaged with it. The tongue gear 51 moves and the tongue mechanism is in a fixed position.

When the door needs to be locked, the electric drive mechanism 4 receives the electric signal, drives the electric drive post 41 to move, and presses the lever portion protrusion 311 on the side contacting it to contact the side of the casing A, thereby making the lever portion on the other side convex Lift 311 away from the side of the casing A.

At this time, the driving connection bottom wall 223 is pressed, so that the driving connection portion 22 moves upwards as a whole, the elastic portion 25 is compressed, the driving connection side wall 224 comes into contact with the sensing member 7, and the driving column 221 moves upward to drive the clutch member 123 to rotate and clutch. The inner wall 1232 of the piece is in contact with the gear shaft 13.

The external force rotates the square bar, which drives the top card 11 or the bottom card 15 to rotate, and then the top card 112 or the bottom card 152 drives the clutch 12 to rotate, and the side wall 1231 of the clutch contacts the moving card post 142, thereby driving the movement. The insert card 14 rotates, and the movable insert post 142 contacts the gear protrusion 133, thereby driving the gear shaft 13 to rotate, the gear 132 drives the tongue gear 51 to move, and finally drives the tongue mechanism 5 to protrude out of the side wall S of the casing.

At this time, the induction member 7 sends a signal to the electric drive mechanism 4, and the electric drive mechanism 4 drives the electric drive column 41 to move backward and restore a fixed position. Under the action of the natural tension of the elastic portion 25, the driving connection portion 22 moves downward to drive The connecting bottom wall 223 presses the lever portion protrusion 311 on the contact side until it contacts the side of the casing A; the driving post 221 moves downward with the driving connection part 22, driving the clutch 123 away from the moving insert post 142 and the side wall of the gear shaft 13 .

Thereby, the door lock operation is completed.

In the above, the lever mechanism 3 is pressed by the electric driving mechanism 4 to drive the clutch driving mechanism 2 to pull the clutch 123 to move. Of course, it is conceivable that when the clutch member 123 is extended so that the fixed end of the clutch member 123 is an axis, pushing or pulling the extension portion can also achieve the same function, which is not described in detail herein.

The specific embodiments of the present invention have been described in detail above. For those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made to the present invention. These modifications and improvements also belong to the present invention. The scope of protection of the invention claims.

Claims

A smart lock driving device includes a casing (A) of a lock body, a square tongue mechanism (5), a slanted tongue mechanism (6), and a square rod. :

The driving device includes an electric driving mechanism (4) and a square rod driving mechanism (1),

The square rod driving mechanism (1) includes a clutch portion (12), the clutch portion (12) includes a clutch member (123), and the clutch member (123) includes a fixed end and a free end;

The electric drive mechanism (4) can drive the free end of the clutch (123) to rotate around the fixed end as an axis.
The smart lock driving device according to claim 1, wherein:

The clutch member (123) includes a clutch hole (1234) inside,

The driving device further includes a clutch driving mechanism (2) driven by the electric driving mechanism (4), and the clutch driving mechanism (2) includes a driving post (221) cooperatively connected with the clutch hole (1234);

When the electric drive mechanism (4) drives the clutch drive mechanism (2) to move, the drive post (221) drives the clutch hole (1234) so that the fixed end of the clutch (123) is used as the axis. Rotation occurs.
The smart lock driving device according to claim 2, characterized in that:

The clutch portion (12) includes an upper clutch portion (121) and a lower clutch portion (122). The upper clutch portion (121) and the lower clutch portion (122) include a fixed end with the clutch member (123). Connected clutch connection.
The smart lock driving device according to claim 3, wherein:

The square rod driving mechanism (1) includes a top insert (11), a gear shaft (13), a mobile insert (14), a bottom insert (15), and a fixed insert (16).
The smart lock driving device according to claim 4, characterized in that:

The gear shaft (13) includes a gear (132),

The tongue mechanism (5) includes a tongue gear (51) meshing with the gear (132);

The gear (132) drives the square-tongue gear (51) to rotate by means of gear rotation, so that the square-tongue mechanism (5) protrudes or projects into the side wall (S) of the casing.
The smart lock driving device according to claim 4, characterized in that:

The top card (11) includes a top card post (111), a top card board (112), and a top card protrusion (113).

The bottom insert (15) includes a bottom insert post (151), a bottom insert card board (152), and a bottom insert protrusion (153);

The top insert post (111) and the bottom insert post (151) form a whole by connecting the clutch part (12), the gear shaft (13), and the mobile insert (14) in series, and the top insert Any one of the clamping plate (112) and the bottom card (152) is in contact with the clutch portion (12).
The smart lock driving device according to claim 6, characterized in that:

The gear shaft (13) includes a gear protrusion (133),

The mobile card (14) includes a mobile card post (142), and the fixed card (16) is fixedly connected to the mobile card post (142). After the connection, the fixed card (16) and the bottom card are convex. From (153) contact;

The two ends of the mobile plug-in column (142) are in contact with the clutch member (123) and the gear protrusion (133), respectively.
The smart lock driving device according to claim 1, wherein:

The clutch driving mechanism (2) includes a driving connection portion (22), and the driving connection portion (22) includes a driving connection side wall (224),

The driving device includes a sensing element (7) for sensing the driving connection side wall (224);

When the induction member (7) senses the driving connection side wall (224), the induction member (7) generates an electric signal to the electric driving mechanism (4), and the electric driving mechanism (4) starts to react. Work in the same direction and work in the opposite direction.
The smart lock driving device according to claim 1, wherein:

The clutch driving mechanism (2) includes a driving connection portion (22), an elastic portion (25), and a driving base (21) fixed to the casing (A),

The drive base (21) includes a base protrusion (211), and the drive connection portion (22) includes a drive connection groove (222) that houses the base protrusion (211) and the elastic portion (25). In the absence of external force, the natural tension of the elastic portion (25) makes the driving connection portion (22) always have a force far away from the square rod driving mechanism (1).
The smart lock driving device according to claim 1, wherein:

The driving device includes a clutch driving mechanism (2), and a lever mechanism (3) connected at both ends to the clutch driving mechanism (2) and the electric driving mechanism (4), respectively.
The smart lock driving device according to claim 10, wherein:

The lever mechanism (3) includes a lever portion (31), the housing (A) includes a rotation shaft, and a through hole in the center of the lever portion (31) generates a lever movement around the rotation axis.