CN217950038U

CN217950038U - Door lock unlocked by direct driving of motor

Info

Publication number: CN217950038U
Application number: CN202221523098.5U
Authority: CN
Inventors: 陈雪; 马通兵
Original assignee: Techface Intelligent Technology Shenzhen Co ltd
Current assignee: Techface Intelligent Technology Shenzhen Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-12-02
Anticipated expiration: 2032-06-18

Abstract

The application discloses door lock that motor direct drive unblanked, including circuit board, preceding panel components, back panel components and lock advantage, be equipped with motor and linkage subassembly on the back panel components, the motor with preceding panel components respectively with the circuit board links to each other, the input of linkage subassembly with the motor is connected, the output of linkage subassembly can with the lock is sharp to be connected, be equipped with the spring bolt in the lock advantage, the motor is used for the drive the motion of linkage subassembly, the linkage subassembly is used for driving the spring bolt stretches out or the lock of withdrawal is sharp. This application passes through the motion of motor drive linkage subassembly, and then drives the spring bolt and stretch out or retract the lock and do benefit to the realization does not need manual rotation handle through the function of motor direct drive switch lock, has promoted the convenience of unblanking.

Description

Door lock unlocked by direct driving of motor

Technical Field

The application belongs to the technical field of door locks, and more specifically relates to a door lock with a motor directly driving unlocking.

Background

The electronic door lock is a product combining an electronic technology, an integrated circuit design, a large number of electronic components and various innovative identification technologies. The types of electronic door locks include fingerprint locks, electronic coded locks, inductive intelligent locks and the like. The current common electronic door lock generally adopts a magnetic type unlocking mode or a motor-driven unlocking mode. The motor-driven unlocking mode has the advantages of simple structure, low cost and wider application. However, the existing electronic lock for the house door basically drives a clutch piece in the lock to be opened by the operation of a motor, and a user opens the door by manually pulling a handle; therefore, the unlocking process of the existing door electronic lock still needs manual operation of a user, is troublesome, and is particularly not friendly to children and the old.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that above-mentioned prior art exists, this application provides a room lock that motor direct drive unblanked, including circuit board, preceding panel assembly, back panel assembly and lock advantage, be equipped with motor and linkage subassembly on the back panel assembly, the motor with preceding panel assembly respectively with the circuit board links to each other, the input of linkage subassembly with the motor is connected, the output of linkage subassembly can with the lock is advantageously connected, be equipped with the spring bolt in the lock advantage, the motor is used for the drive the motion of linkage subassembly, the linkage subassembly is used for driving the spring bolt is stretched out or is retracted the lock advantage.

As a further improvement of the present application, the rear panel assembly includes a rear case, and the motor and the circuit board are respectively connected to the rear case; the linkage assembly comprises a knob and a first gear, the knob is rotatably connected with the rear shell in a limiting manner and comprises a handle and a connecting end, the connecting end extends into the rear shell, and the first gear is connected with the output end of the motor; the connecting end is sequentially sleeved with a second gear, a torsion spring and a transmission block, the first gear is meshed with the second gear, the second gear can drive the torsion spring and the transmission block to rotate, the transmission block can drive the knob to rotate, and the end of the connecting end can be connected with the lock in an advantageous mode.

As a further improvement of the application, an annular mounting groove is formed in the second gear, an arc-shaped limiting block is arranged in the annular mounting groove, the torsion spring is sleeved on the annular mounting groove, and two ends of the torsion spring are respectively abutted to two ends of the arc-shaped limiting block; the outer wall of the connecting end is provided with a connecting lug, the transmission block is provided with a connecting hole, the side wall of the connecting hole is provided with a lug groove matched with the connecting lug, the transmission block is sleeved on the connecting end, and the lug groove is clamped with the connecting lug; the transmission block is close to be equipped with the shifting block on the surface of torsional spring, the arc stopper can drive the torsional spring is rotatory, and then drives the both ends of torsional spring with the shifting block butt.

As a further improvement of this application, the transmission piece is kept away from the torsion spring be equipped with magnet on the surface, on the circuit board with the relevant position department of transmission piece is equipped with three hall switch, and three hall switch is 90 distributions of being separated by, magnet can respectively with hall switch meets.

As a further improvement of this application, be equipped with the gear detection switch that resets on the backshell, the gear detection switch that resets with the circuit board links to each other, the gear detection switch that resets with the lateral wall butt of second gear, be equipped with on the lateral wall of second gear and hold gear detection switch's resettlement groove.

As a further improvement of the application, the front panel assembly is provided with a connecting strip, and the connecting strip can be respectively connected with the locking bolt and the connecting end.

As a further improvement of this application, the link is close to be equipped with on the terminal surface of the sharp one end of lock with the blind hole of connecting strip adaptation, be equipped with the unlocking piece on the lock is sharp, unlock the piece with the spring bolt is connected, be equipped with the cross hole on the unlocking piece, the connecting strip is kept away from front panel assembly's one end is passed insert behind the cross hole in the blind hole.

As a further improvement of the application, a battery box is arranged on the rear shell and connected with the circuit board, and a battery cover is arranged on the battery box and detachably connected with the rear shell.

As a further improvement of the application, the front panel component is provided with a password key, and the password key is connected with the circuit board.

As a further improvement of the application, a lock head is arranged on the front panel assembly and connected with the connecting strip, and a key hole is formed in the lock head.

Compared with the prior art, the beneficial effect of this application is:

this application passes through the motion of motor drive linkage subassembly, and then drives the spring bolt and stretch out or retract the lock and do benefit to the realization does not need manual rotation handle through the function of motor direct drive switch lock, has promoted the convenience of unblanking. Specifically, when the lock is unlocked, a user operates the front panel assembly to send an unlocking signal to the circuit board, the circuit board controls the motor to work, the motor drives the linkage assembly to move, the linkage assembly drives the lock tongue to move synchronously, and then the lock tongue is driven to retract into the lock tongue to complete unlocking.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application;

FIG. 3 is a front view of a back panel assembly in an embodiment of the present application;

FIG. 4 is a schematic view of a knob structure in an embodiment of the present application;

FIG. 5 is a schematic view of a second gear structure in an embodiment of the present application;

FIG. 6 is a schematic diagram of a transmission block structure in an embodiment of the present application;

fig. 7 is a schematic diagram of a circuit board structure in the embodiment of the present application.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the foregoing drawings are used for distinguishing between different objects and not for describing a particular sequential order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-7, a door lock unlocked by direct driving of a motor comprises a front panel assembly 1, a lock roller 2 and a back panel assembly, wherein the front panel assembly 1 is used for being installed at the front of a door, the lock roller 2 is used for being installed inside the door, and the back panel assembly is used for being installed at the back of the door; the rear panel component is provided with a circuit board 3, a motor 4 and a linkage component, the motor 4 and the front panel component 1 are respectively connected with the circuit board 3, the linkage component is characterized in that an input end is connected with the motor 4, the motor 4 can drive the linkage component to move, an output end is connected with the lock tongue 2, a lock tongue 21 is arranged in the lock tongue 2, and the linkage component can drive the lock tongue 21 to extend out of or retract into the lock tongue 2.

When the door lock is installed on a door, the front panel assembly 1 is installed in front of the door, the lock cylinder 2 is installed in the door, the rear panel assembly is installed behind the door, and the front panel assembly 1 is respectively connected with the lock cylinder 2 and the rear panel assembly; when the lock is unlocked, a user operates the front panel assembly 1 to send an unlocking signal to the circuit board 3, the circuit board 3 controls the motor 4 to work, the motor 4 drives the linkage assembly to move, the linkage assembly drives the lock tongue 21 to move synchronously, and then the lock tongue 21 is driven to retract into the lock cylinder 2, so that the unlocking is completed. When the lock is closed, the motor 4 drives the linkage assembly to move, the linkage assembly drives the lock tongue 21 to move synchronously, and then the lock tongue 21 is driven to extend out of the lock barrel 2.

This room lock passes through the motion of motor 4 drive linkage subassembly, and then drives in the tongue 21 withdrawal lock is sharp 2, realizes unblanking, and the handle need not rotated in addition in the process of unblanking, has promoted the convenience of unblanking.

The front panel assembly 1 is provided with a password key 11, the password key 11 is connected with the circuit board 3, and the password key 11 is used for inputting or setting an unlocking password, so that the door lock has a password unlocking function; a lock head 12 is arranged on the front panel assembly 1, a connecting strip 13 is arranged on one side, away from the front panel assembly 1, of the lock head 12, the connecting strip 13 is used for connecting the lock cylinder 2 and the rear panel assembly, a key hole 14 is formed in the lock head 12, and the key hole 14 is used for inserting a key to mechanically unlock; when the lock is unlocked by using the mechanical key, the key is inserted into the key hole 14, and the key is rotated to drive the connecting strip 13 to rotate, so that the lock cylinder 2 is driven to move, and the lock bolt 21 is retracted into the lock cylinder 2.

The rear panel assembly comprises a rear shell 5, and the motor 4 and the circuit board 3 are respectively fixedly arranged on the rear shell 5; the linkage assembly comprises a knob 6 and a first gear 51, the knob 6 is rotatably and limitedly connected with the rear shell 5 through a clamp spring, the knob 6 comprises a handle 61 and a connecting end 62, the connecting end 62 extends into the rear shell 5, and the first gear 51 is fixedly connected with the output end of the motor 4; the connecting end 62 is sequentially sleeved with a second gear 7, a torsion spring 8 and a transmission block 9, the first gear 51 is meshed with the second gear 7, the second gear 7 can drive the torsion spring 8 and the transmission block 9 to rotate, and the transmission block 9 can drive the connecting end 62 to rotate; a blind hole 63 matched with the connecting strip 13 is formed in the end face, close to one end of the locking part 2, of the connecting end 62, an unlocking part 22 is arranged on the locking part 2, the unlocking part 22 is connected with the bolt 21, the unlocking part 22 can drive the bolt 21 to move, and a cross hole 23 is formed in the unlocking part 22; after the door lock is installed on a door, one end, far away from the lock head 12, of the connecting strip 13 penetrates through the cross hole 23 and then is inserted into the blind hole 63, so that the connecting strip 13 can drive the connecting end 62 to rotate synchronously. When unblanking, motor 4 drive first gear 51 is rotatory, and second gear 7 rotates along with first gear 51, and second gear 7 rotates and drives torsional spring 8 and transmission piece 9 rotatory, and the rotation of transmission piece 9 drives the link 62 rotatory, and link 62 drives the connecting strip 13 and rotates, and connecting strip 13 drives spring bolt 21 retraction lock benefit 2, realizes unblanking.

Specifically, an annular mounting groove 71 is formed in the second gear 7, an arc-shaped limiting block 72 is arranged in the annular mounting groove 71, the torsion spring 8 is sleeved on the annular mounting groove 71, and two ends of the torsion spring 8 can be abutted to two ends of the arc-shaped limiting block 72 respectively; the outer wall of the connecting end 62 is provided with a connecting lug 64, the transmission block 9 is provided with a connecting hole 91, the side wall of the connecting hole 91 is provided with a lug groove 92 matched with the connecting lug 64, the transmission block 9 is sleeved on the connecting end 62, so that the lug groove 92 is clamped with the connecting lug 64, and the transmission block 9 can drive the connecting end 62 to synchronously rotate through clamping of the connecting lug 64 and the lug groove 92; the transmission block 9 is close to the surface of the torsional spring 8 and is provided with a shifting block 93, and the arc-shaped limiting block 72 can drive the torsional spring 8 to rotate, so that the two ends of the torsional spring 8 are abutted against the shifting block 93. When unblanking, motor 4 drives first gear 51 and rotates, and first gear 51 drives second gear 7 and rotates, and arc stopper 72 promotes the torsional spring 8 rotatory, and after one of them one end and shifting block 93 butt of torsional spring 8, it is rotatory to promote driving block 9, and driving block 9 drives link 62 synchronous revolution through the joint of engaging lug 64 and lug groove 92, and then drives in the spring bolt 21 withdrawal lock 6 through connecting strip 13, realizes unblanking. When closing the lock, motor 4 drives first gear 51 antiport, and first gear 51 drives 7 antiport of second gear, and arc stopper 72 promotes 8 antiport of torsional spring, and after 8 other ends of torsional spring and shifting block 93 butt, promote the counter rotation of drive block 9, the joint that drive block 9 passes through engaging lug 64 and lug groove 92 drives the synchronous counter rotation of link 62, and then drives spring bolt 21 through connecting strip 13 and stretches out the lock 2, realizes closing the lock.

In the process of unlocking or locking, after the motor 4 drives the bolt 21 to retract or extend out of the lock cylinder 2, the motor 4 also drives the second gear 7 to reset and rotate by 90 degrees, so that the torsion spring 8 is separated from the shifting block 93 on the transmission block 9; therefore, no matter during the unlocking or locking process, when the first gear 51 drives the second gear 7 to rotate, the second gear 7 and the torsion spring 8 are in an idle rotation state for 90 °, that is, after the first gear 51 drives the second gear 7 to rotate for 90 °, the torsion spring 8 will abut against the shifting block 93. The design is that in order to enable the door lock to realize the locking and unlocking by manually rotating the knob 6 by a user, the user rotates the handle 61 by 90 degrees to drive the connecting end 62 to rotate synchronously, so as to drive the bolt 21 to extend or retract the bolt 2.

In order to accurately control the reset rotation stroke of the second gear 7, the rear shell 5 is provided with a gear reset detection switch 52, and the outer side wall of the second gear 7 is provided with a placement groove 73 capable of accommodating the gear reset detection switch 52; in the process that the second gear 7 drives the transmission block 9 to move, the gear resetting detection switch 52 is always abutted with the outer side wall of the second gear 7; in the process that the motor 4 drives the second gear 7 to reset, when the second gear 7 rotates 90 degrees, the gear reset detection switch 52 enters the placing groove 73, so that the gear reset detection switch 52 is turned on, a signal is fed back to the circuit board 3, and the circuit board 3 controls the motor 4 to stop working, which indicates that the second gear 7 has been reset.

The surface of the transmission block 9, which is far away from the torsion spring 8, is provided with a magnet 10, three Hall switches 31 are arranged at corresponding positions on the circuit board 3, which correspond to the transmission block 9, the three Hall switches 31 are distributed at intervals of 90 degrees, and the magnet 10 can be respectively connected with the Hall switches 31. The Hall switch 31 and the magnet 10 are arranged for accurately controlling the stroke driven by the motor 4, when the motor 4 drives the transmission block 9 to rotate forwards or backwards, the magnet 10 on the transmission block 9 can be respectively connected with the corresponding Hall switch 31, the Hall switch 31 feeds back a signal to the circuit board 3, the circuit board 3 controls the motor 4 to stop providing driving force, and therefore the process of unlocking or locking is accurately controlled.

The rear shell 5 is provided with a battery box which is connected with the circuit board 3, the battery box is used for installing a battery to supply power for the door lock, a battery cover 53 is arranged on the battery box, and the battery cover 53 is detachably connected with the rear shell 5, so that the battery can be conveniently replaced.

The working principle is as follows:

when the lock is unlocked, a user inputs an unlocking instruction through the password key 11 and sends the unlocking instruction to the circuit board 3, the circuit board 3 controls the motor 4 to rotate, the motor 4 drives the first gear 51 to rotate anticlockwise, the first gear 51 drives the second gear 7 to rotate clockwise, after the second gear 7 drives the torsion spring 8 to rotate for 90 degrees, the torsion spring 8 is abutted against the shifting block 93 on the transmission block 9 so as to push the shifting block 93 and the transmission block 9 to rotate synchronously, the transmission block 9 drives the connecting end 62 to rotate synchronously through the clamping of the connecting lug 64 and the lug groove 92, and then the connecting strip 13 drives the lock tongue 21 to retract into the lock bar 2, so that the unlocking is realized; after the transmission block 9 rotates 90 degrees, the magnet 10 on the transmission block 9 is connected with one of the Hall switches 31, the Hall switch 31 feeds back a signal to the circuit board 3, and the circuit board 3 controls the motor 4 to stop working; after the motor 4 stops working for 1 second, according to the predetermined procedure, the circuit board 3 controls the motor 4 to work again, the motor 4 drives the first gear 51 to rotate clockwise, the first gear 51 drives the second gear 7 to rotate anticlockwise, after the second gear 7 drives the torsion spring 8 to rotate for 90 degrees, the gear reset detection switch 52 is opened, the feedback signal is given to the circuit board 3, the circuit board 3 controls the motor 4 to stop working, the reset of the second gear 7 and the torsion spring 8 is completed, and the whole unlocking process is completed.

When the lock is closed, the circuit board 3 controls the motor 4 to rotate, the motor 4 drives the first gear 51 to rotate clockwise, the first gear 51 drives the second gear 7 to rotate anticlockwise, after the second gear 7 drives the torsion spring 8 to rotate for 90 degrees, the torsion spring 8 abuts against the shifting block 93 on the transmission block 9, so that the shifting block 93 and the transmission block 9 are pushed to rotate synchronously, the transmission block 9 drives the connecting end 62 to rotate synchronously through the clamping of the connecting lug 64 and the lug groove 93, so that the connecting strip 13 drives the lock tongue 21 to extend out of the lock tongue 2, and the lock is closed; when the transmission block 9 rotates by 90 degrees, the magnet 10 on the transmission block 9 is connected with the Hall switch 31, the Hall switch 31 feeds back a signal to the circuit board 3, and the circuit board 3 controls the motor 4 to stop working; after the motor 4 stops working for 1 second, according to the predetermined program, the circuit board 3 controls the motor 4 to work again, the motor 4 drives the first gear 51 to rotate anticlockwise, the first gear 51 drives the second gear 7 to rotate clockwise, after the second gear 7 drives the torsion spring 8 to rotate for 90 degrees, the gear reset detection switch 52 is opened, the feedback signal is given to the circuit board 3, the circuit board 3 controls the motor 4 to stop working, the reset of the second gear 7 and the torsion spring 8 is completed, and the whole locking process is completed.

It should be understood that the above-described embodiments are merely exemplary of some, and not all, embodiments of the present application, and that the drawings illustrate preferred embodiments of the present application without limiting the scope of the claims appended hereto. This application is capable of embodiments in many different forms and is provided for the purpose of providing a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a room lock that motor direct drive unblanked which characterized in that: including circuit board, front panel assembly, back panel assembly and lock sharp, be equipped with motor and linkage assembly on the back panel assembly, the motor with the front panel assembly respectively with the circuit board links to each other, the input of linkage assembly with the motor is connected, the output of linkage assembly can with the lock is sharp to be connected, be equipped with the spring bolt in the lock sharp, the motor is used for the drive the motion of linkage assembly, the linkage assembly is used for driving the spring bolt stretches out or the lock is sharp.

2. The door lock unlocked by direct drive of the motor according to claim 1, wherein: the rear panel assembly comprises a rear shell, and the motor and the circuit board are respectively connected with the rear shell;

the linkage assembly comprises a knob and a first gear, the knob is rotatably connected with the rear shell in a limiting mode and comprises a handle and a connecting end, the connecting end extends into the rear shell, and the first gear is connected with the output end of the motor;

the cover is equipped with second gear, torsional spring and transmission piece in proper order on the link, first gear with the second gear engagement, the second gear can drive the torsional spring with the transmission piece is rotatory, the transmission piece can drive the knob is rotatory, the tip of link can with the lock is sharp to be connected.

3. The door lock unlocked by direct motor drive of claim 2, wherein: an annular mounting groove is formed in the second gear, an arc-shaped limiting block is arranged in the annular mounting groove, the torsion spring is sleeved on the annular mounting groove, and two ends of the torsion spring are respectively abutted to two ends of the arc-shaped limiting block;

the outer wall of the connecting end is provided with a connecting lug, the transmission block is provided with a connecting hole, the side wall of the connecting hole is provided with a lug groove matched with the connecting lug, the transmission block is sleeved on the connecting end, and the lug groove is clamped with the connecting lug;

the transmission block is close to be equipped with the shifting block on the surface of torsional spring, the arc stopper can drive the torsional spring is rotatory, and then drives the both ends of torsional spring with the shifting block butt.

4. The door lock unlocked by direct motor drive of claim 2, wherein: the transmission block is far away from the torsion spring be equipped with magnet on the surface, on the circuit board with the relevant position department of transmission block is equipped with three hall switch, and three hall switch is 90 distributions apart from, magnet can respectively with hall switch meets.

5. The door lock unlocked by direct motor drive of claim 2, wherein: the rear shell is provided with a gear reset detection switch, the gear reset detection switch is connected with the circuit board, the gear reset detection switch is abutted to the outer side wall of the second gear, and the outer side wall of the second gear is provided with a placement groove capable of containing the gear reset detection switch.

6. The motor direct drive unlocked door lock of any one of claims 2-5, wherein: the front panel assembly is provided with a connecting strip, and the connecting strip can be respectively connected with the locking bar and the connecting end.

7. The door lock unlocked by direct drive of the motor according to claim 6, wherein: the link is close to be equipped with on the terminal surface of the sharp one end of lock with the blind hole of connecting strip adaptation, lock and be equipped with the piece of unlocking on the sharp, the piece of unlocking with the spring bolt is connected, be equipped with the cross hole on the piece of unlocking, the connecting strip is kept away from front panel assembly's one end is passed insert behind the cross hole in the blind hole.

8. The door lock unlocked by direct motor drive of claim 6, wherein: the battery box is arranged on the rear shell and connected with the circuit board, and the battery cover is arranged on the battery box and detachably connected with the rear shell.

9. The door lock unlocked by direct motor drive of claim 6, wherein: the front panel assembly is provided with a password key, and the password key is connected with the circuit board.

10. The door lock unlocked by direct drive of the motor according to claim 6, wherein: the front panel assembly is provided with a lock, the lock is connected with the connecting strip, and the lock is provided with a key hole.