CN112796578A - Intelligent door lock based on sheave transmission - Google Patents
Intelligent door lock based on sheave transmission Download PDFInfo
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- CN112796578A CN112796578A CN201911100354.2A CN201911100354A CN112796578A CN 112796578 A CN112796578 A CN 112796578A CN 201911100354 A CN201911100354 A CN 201911100354A CN 112796578 A CN112796578 A CN 112796578A
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- connecting rod
- lock tongue
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 238000004891 communication Methods 0.000 claims description 41
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- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 230000004044 response Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0094—Mechanical aspects of remotely controlled locks
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an intelligent door lock based on sheave transmission, which comprises a lock body shell, a sheave transmission assembly, a linkage bolt assembly, an inclined bolt assembly, a motor and a control circuit board, wherein the sheave transmission assembly is arranged on the lock body shell; the grooved wheel transmission component comprises a gear connected with the output end of the motor, a driving pin wheel meshed with the gear, and a driven grooved wheel meshed with the driving pin wheel; the linkage lock tongue assembly comprises a linkage lock tongue and a driving piece integrally installed with the linkage lock tongue, and the driving piece is in sliding fit with the driven grooved wheel so as to drive the linkage lock tongue to stretch; the inclined lock tongue assembly comprises an inclined lock tongue and an inclined lock tongue transmission device, and the inclined lock tongue transmission device is driven by the driving pin wheel to drive the inclined lock tongue to stretch; the control circuit board is connected with the motor and used for controlling the motor to work when the control circuit board receives an unlocking or locking signal. The invention adopts a grooved wheel transmission mode, has compact structure, convenient assembly and high mechanical safety, is provided with a mechanical unlocking mode and provides double guarantee.
Description
Technical Field
The invention relates to the technical field of intelligent door locks, in particular to an intelligent door lock based on sheave transmission.
Background
With the rise of the internet of things era, the intelligent door lock gradually replaces the traditional single mechanical door lock and is widely applied. However, the electronic components of the intelligent door lock require a large installation space, which results in a large volume of the lock body, or in the case of a conventional door lock, the arrangement structure of the internal parts is complex, and the assembly and maintenance difficulty is high. The intelligent door lock generally adopts pull rod transmission, and the safety of the mechanical structure is poor. And single electronic lock, after circuit module broke down, the lock body can't be opened, has brought the life inconvenience for people. Therefore, the intelligent door lock which is small in space volume, high in safety performance and capable of leaving sufficient installation space for a circuit module and other components is innovatively designed from a transmission structure, and the technical problem to be solved urgently is solved.
Disclosure of Invention
The invention provides an intelligent door lock based on sheave transmission, and aims to solve the technical problem.
In order to realize the technical purpose, the invention adopts the following scheme: an intelligent door lock based on sheave transmission comprises a lock body shell, a sheave transmission assembly, a linkage bolt assembly, an inclined bolt assembly, a motor and a control circuit board; the grooved wheel transmission component comprises a gear connected with the output end of the motor, a driving pin wheel meshed with the gear, and a driven grooved wheel meshed with the driving pin wheel; the linkage lock tongue assembly comprises a linkage lock tongue and a driving piece integrally installed with the linkage lock tongue, and the driving piece is in sliding fit with the driven grooved wheel so as to drive the linkage lock tongue to stretch; the inclined lock tongue assembly comprises an inclined lock tongue and an inclined lock tongue transmission device, and the inclined lock tongue transmission device is driven by the driving pin wheel to drive the inclined lock tongue to stretch; the control circuit board is connected with the motor and used for controlling the motor to work when the control circuit board receives an unlocking or locking signal, and the control circuit board is provided with a first wireless communication module in communication connection with the portable terminal equipment.
Further, the driving pin wheel comprises a half-moon-shaped driving plate, a driving head arranged on the outer edge of the half-moon-shaped driving plate, an inner gear ring arranged on the lower layer of the disc and a rotating arm arranged on the inner gear ring, wherein at least one part of the inner peripheral surface of the inner gear ring is provided with inner peripheral teeth meshed with the gear.
Furthermore, a plurality of radial grooves are uniformly arranged on the driven grooved wheel, and a locking arc-shaped groove matched with the half-moon-shaped driving plate is arranged between every two adjacent radial grooves; the rotating arm drives the driven grooved wheel to rotate by entering the radial groove.
Furthermore, a pin column is arranged on the transmission sheet, the pin column is arranged in one of the radial grooves on the driven grooved wheel and is connected with the driven grooved wheel in a sliding fit manner, a transverse sliding groove is further arranged on the transmission sheet, and the transverse sliding groove is in sliding fit with a positioning pin fixedly arranged on the lock body shell.
Furthermore, the inclined bolt transmission device comprises a return spring, a positioning plate, an inclined bolt connecting rod and a first connecting rod; the inclined lock tongue is fixed at the front end of an inclined lock tongue connecting rod, the reset spring is sleeved on the inclined lock tongue connecting rod, and the inclined lock tongue connecting rod is movably arranged on the positioning plate in a penetrating way; the first connecting rod is rotatably connected to the lock body shell, the shifting head on the half-moon-shaped driving plate enables the first connecting rod to rotate through shifting the lower end of the first connecting rod, the upper end of the first connecting rod can shift the rear end of the inclined spring bolt connecting rod, and the inclined spring bolt is stretched.
Furthermore, the intelligent door lock further comprises a mechanical lock cylinder, a lock cylinder shifting head is arranged on the mechanical lock cylinder, a small arc-shaped groove matched with the lock cylinder shifting head is formed in the driven grooved wheel, and a locking notch matched with the half-moon-shaped driving plate is formed in the middle connecting portion of the two continuous small arc-shaped grooves.
Further, intelligence lock still includes cam and positioning spring, the cam passes through half moon driver plate sliding connection in second connecting rod and the initiative pinwheel, positioning spring fixes on the lock body shell, be used for supporting and injecing the position of cam, make lock core shifting block anticlockwise rotation in-process can at first stir the link of cam and second connecting rod, the cam passes through second connecting rod drive initiative pinwheel and rotates, make initiative pinwheel rocking arm get into the radial inslot on the driven sheave, the lock core shifting block continues anticlockwise rotation in-process and realizes driven sheave rotation through stirring little arc wall, driven sheave drives the flexible drive initiative pinwheel rotation of driving simultaneously of linkage spring bolt, shifting block drive oblique spring bolt transmission device motion on the initiative pinwheel, and then realize oblique spring bolt is flexible.
Further, intelligence lock is still including colluding the type connecting rod, colludes the type connecting rod and includes stub end and stock end, colludes the type connecting rod and rotates to be connected on the lock body shell, and when unblanking, the stub end is stirred to the driving plate, and then realizes colluding the type connecting rod and rotate, and the stock end is used for stirring oblique spring bolt transmission and realizes that oblique spring bolt is flexible.
Preferably, one side of the lock body shell, which is close to the linkage lock bolt and the inclined lock bolt, is provided with a strong spring perpendicular to the door plate direction, and the strong spring is used for automatically bouncing the door body after the linkage lock bolt and the inclined lock bolt retract into the lock body shell when the lock is unlocked.
Preferably, the portable terminal device is a remote controller or an intelligent watch, and a second wireless communication module in communication connection with the first wireless communication module is arranged on the remote controller or the intelligent watch; when a signal sent by a second wireless communication module of the remote controller or the smart watch passes the verification of the control circuit board, unlocking; when the signal that second wireless communication module of remote controller or intelligent wrist-watch sent does not pass control circuit board and verifies, can't unblank.
Preferably, the first wireless communication module and the second wireless communication module are bluetooth, wifi, NFC, 433, 3G/4G/5G or GPRS communication modules.
Preferably, the intelligent door lock further comprises an outer door handle and an inner door handle, wherein an infrared sensor is arranged on one side of the outer door handle facing the door panel, the infrared sensor is connected with the control circuit board, and the intelligent door lock is unlocked when the control circuit board receives signals sent by the portable terminal device and the infrared sensor at the same time; be provided with the response button on the door inner handle, response button connection control circuit board unblanks when control circuit board receives the signal that the response button sent.
Preferably, the intelligent recognition device is a face recognition device or a retina recognition device, and when the control circuit board recognizes that the face features or retina features of the currently unlocked person are matched with the face images or retina images which are stored in advance, the lock is automatically unlocked.
Compared with the prior art, the invention has the beneficial effects that: the intelligent door lock based on the grooved wheel transmission adopts a grooved wheel transmission mode, has a compact structure, provides a larger installation space for a complex circuit module, and is convenient to assemble and maintain; meanwhile, the mechanical safety of the intelligent door lock is enhanced by the locking function of the grooved wheel structure; the arrangement of various intelligent unlocking modes and a strong spring frees the hands of an unlocking person; the mechanical lock cylinder is provided, so that the lock body can not be opened when the control circuit fails. The intelligent door lock solves the problems of complex structure and single unlocking mode of the existing door lock, is convenient to install and maintain, doubly guarantees the normal work of the door lock, simplifies a mechanical transmission structure, enhances the structural safety and improves the convenience of life.
Drawings
Fig. 1a is a schematic perspective view of an intelligent door lock according to an embodiment of the present invention;
fig. 1b is a schematic front view of an intelligent door lock according to an embodiment of the present invention in a locked state;
fig. 1c is a schematic front view of an unlocking state of the intelligent door lock according to the first embodiment of the present invention;
fig. 1d is a schematic perspective view of a driving pinwheel of an intelligent door lock according to an embodiment of the present invention;
fig. 2a is a schematic front view of an intelligent door lock according to a second embodiment of the present invention in a locked state;
fig. 2b is a schematic front view of the intelligent door lock according to the second embodiment of the present invention in an unlocked state;
fig. 2c is a schematic perspective view of a driving pin wheel and a driven sheave of the intelligent door lock provided in the second embodiment of fig. 2a according to the present invention in a combined state;
fig. 2d is a schematic perspective view of a driven sheave of the intelligent door lock according to the second embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "left and right" in the present invention means that when the reader faces the drawings, the left side of the reader is left, and the right side of the reader is right, and is not a specific limitation on the structure of the apparatus of the present invention.
The meaning of "up and down" in the present invention means that when the reader faces the drawings, the upper side of the reader is the upper side, and the lower side of the reader is the lower side, and is not a specific limitation on the structure of the apparatus of the present invention.
The meaning of "inside and outside" in the present invention means that the direction pointing to the inside of the device is inside and vice versa with respect to the device itself, and is not a specific limitation on the mechanism of the apparatus of the present invention.
The meaning of "clockwise and counterclockwise" in the present invention refers to that when the reader faces the drawings, the clockwise direction corresponding to the reader is clockwise, and the counterclockwise direction corresponding to the reader is counterclockwise, and is not a specific limitation on the structure of the apparatus of the present invention.
Referring to fig. 1a to fig. 1d, an intelligent door lock based on sheave drive according to an embodiment of the present invention includes a lock body housing 10, a sheave drive assembly 20, a linked bolt assembly 30, an inclined bolt assembly 40, a motor 50, and a control circuit board 60. The sheave drive assembly 20 includes a gear 21 connected to the output of the motor 50, a drive sheave 22 in meshing engagement with the gear, and a driven sheave 23 in meshing engagement with the drive sheave 22.
The driving pin wheel 22 comprises a half-moon-shaped dial 221, a dial 2211 arranged on the outer edge of the half-moon-shaped dial 221, an inner gear ring 222 arranged on the lower layer of the half-moon-shaped dial 221 and a rotating arm 2221 arranged on the inner gear ring 222; an inner peripheral surface of the ring gear 222 is formed at least partially with inner peripheral teeth 2222 that mesh with the gear 21. The half-moon-shaped dial 221 and the inner gear ring 222 are fixedly connected into a whole, wherein the fixing mode can be fixed by bolts, screws or pins, so that synchronous rotation is realized. The driving pin wheel 22 and the driven sheave 23 are rotatably connected to the lock body case 10 via respective rotation shafts, and have a rotational degree of freedom around their own axes.
A plurality of radial grooves 231 are uniformly formed in the driven sheave 23, and in the first embodiment of the present invention, the number of the radial grooves 231 is preferably four, and is 231a, 231b, 231c, and 231d, respectively. A locking arc-shaped groove 232 matched with the half-moon-shaped drive plate 221 is arranged between two adjacent radial grooves 231, the outer diameter of the rotating arm 2221 is matched with the width of the radial groove 231, the driven sheave 23 is driven to rotate by entering the radial groove 231, when the rotating arm 2221 enters the radial groove 231a, the driven sheave 23 starts to be rotated clockwise, when the rotation arm 2221 is rotated out of the radial groove 231a, the locking arc-shaped groove 232 can prevent the driven sheave 23 from rotating by engaging with the half-moon-shaped dial 221, that is, the driven grooved wheel 23 is in a static state, and at this time, the intelligent door lock is in a locking state, so if a longitudinal external force is applied to the linked latch bolt assembly 30, the linked latch bolt assembly 30 cannot move due to the limiting effect of the driven grooved wheel 23, that is, when a knife or a sheet is inserted from a gap between doors, the knife or the sheet is used for poking the linked latch bolt to prevent the linked latch bolt from retracting, thereby realizing the anti-prying function.
Of course, those skilled in the art can make other modifications and variations to the number of radial slots 231 of the driven sheave 23 and the position and number of the rotation arms 2221 on the driving pinwheel 22 according to actual needs, and the number is not limited herein, for example, the number of the radial slots 231 is six or eight, and the number of the rotation arms 2221 is two or three, as long as it is ensured that the rotation arms 2221 can drive the driven sheave 23 to rotate by entering into the radial slots 231 and rotating out of the radial slots 231.
The interlocking bolt assembly 30 comprises an interlocking bolt 31 and a driving strip 32 integrally installed with the interlocking bolt, wherein one side of the driving strip 32 is provided with a transverse sliding groove 33 which is in sliding fit with a positioning pin fixed on the lock body shell 10; a pin 34 is arranged on the driving strap 32 above the transverse sliding groove 33, and the pin 34 is installed in the radial groove 231b on the driven sheave 23 and is connected with the radial groove in a sliding fit manner to drive the linkage bolt 31 to perform telescopic motion.
Preferably, a torsion spring 35 is fixed on the upper side of the driving strap 32, the other end of the torsion spring 35 is fixed on the lock body housing 10, and the arrangement of the torsion spring 35 helps to enhance the stability of the linked bolt assembly 30.
The inclined bolt assembly 40 comprises an inclined bolt 41 and an inclined bolt transmission device 42, and the inclined bolt transmission device 42 comprises a return spring 421, a positioning plate 422, an inclined bolt connecting rod 423 and a first connecting rod 424; the inclined bolt 41 is fixed at the front end of the inclined bolt connecting rod 423, the reset spring 421 is sleeved on the inclined bolt connecting rod 423, and the inclined bolt connecting rod 423 is movably arranged on the positioning plate 422 in a penetrating way; the lower end of the first link 424 is provided with a projection 4241 which is vertically back to the direction of the lock body shell 10, and the projection 4241 is matched with a shifting head 2211 on the half-moon-shaped dial 221 to shift the first link 424 to rotate; first connecting rod 424 rotates with the lock body shell 10 and is connected, specifically, first connecting rod 424 middle part rotates through a round pin axle 4242 and connects on lock body shell 10, and first connecting rod 424 can rotate around round pin axle 4242, and oblique spring bolt connecting rod 423 rear end can be stirred to the upper end of first connecting rod 424, realizes that oblique spring bolt 41 is flexible.
Optionally, a back-locking bolt 70 is arranged above the inclined bolt assembly 40 of the intelligent door lock, the back-locking bolt 70 is connected with a back-locking knob 71, and the back-locking bolt 70 is controlled to extend and retract by manually dialing the back-locking knob 71.
Preferably, a strong spring 11 perpendicular to the door panel direction is arranged on one side of the lock body shell 10 close to the linked bolt 31 and the inclined bolt 41, and is used for automatically bouncing the door body after the linked bolt 31 and the inclined bolt 32 retract into the lock body shell 10 when the door is unlocked, and a person skilled in the art can easily understand that when the door is in a closed state, the strong spring 11 is in a compressed energy storage state under the extrusion of the door frame, and after the door is unlocked, the strong spring 11 releases energy, and the door body automatically bounces under the action of the strong spring 11, so that the hands of a person who unlocks the door are released, and the life convenience is provided. The specification of the strong spring 11 can be selected according to the actual needs of those skilled in the art, as long as the elastic force of the strong spring 11 can be ensured to be capable of bouncing the door body.
The power source of the control circuit board 60 and the motor 50 of the intelligent door lock is a battery, the battery is fixedly arranged on the lock body shell 10, and the battery can be a lithium ion battery or a storage battery.
The control circuit board 60 is provided with a first wireless communication module in communication connection with a portable terminal device, which is a remote controller or a smart watch, preferably a smart watch. The portable terminal device is provided with a second wireless communication module in communication connection with the first wireless communication module, optionally, the first wireless communication module and the second wireless communication module are in bluetooth, wifi, NFC, 433, 3G/4G/5G or GPRS communication. The effective verification range of the wireless communication module can be set according to actual needs of technicians in the field, for example, the effective verification range is set to be less than 5 meters, that is, when the distance between the second wireless communication module of the portable terminal device and the control circuit board 60 is not more than 5 meters, the second wireless communication module on the portable terminal device can be in communication connection with the first wireless communication module of the intelligent door lock, and then induction unlocking can be achieved; when the distance between the second wireless communication module on the portable terminal equipment and the control circuit board 60 is greater than 5 m, the second wireless communication module on the portable terminal equipment cannot be in communication connection with the first wireless communication module of the intelligent door lock, namely, induction unlocking cannot be achieved. The portable terminal equipment preferentially adopts the intelligent watch, and the watch is an article carried by people, so that the phenomenon that a key or a door card is forgotten to be taken can be avoided, and compared with an expensive and complicated biological identification unlocking mode, the portable terminal equipment has the advantage of extremely low cost, and is convenient to popularize and apply in society. The specific control process is as follows: when a user carries the smart watch to enter the effective verification range of the control circuit board 60, the second wireless communication module on the smart watch sends a verification signal to the first wireless communication module on the control circuit board 60, and when the verification is passed, the smart watch is proved to be a matched lock, and unlocking is carried out; when the verification fails, the smart watch is proved not to be a matched lock, so that the lock cannot be unlocked.
In order to further enhance the safety performance of the intelligent door lock, an infrared sensor is arranged on one side of the door outer handle facing the door panel and used for sending out a sensing signal when a user holds the door outer handle, the infrared sensor is connected with the control circuit board 60, the control circuit board 60 unlocks when receiving signals sent by the portable terminal device and the infrared sensor at the same time, namely, when the user carries the portable terminal device and enters the effective verification range of the control circuit board 60, the second wireless communication module of the portable terminal device sends out a verification signal to the first wireless communication module on the control circuit board 60, and when the user holds the door outer handle to open the door, the infrared sensor on the door outer handle sends out a signal to the control circuit board 60, and when the verification is passed, unlocking is carried out; when the verification fails, the lock cannot be unlocked. When the control circuit board 60 receives only the portable terminal device or only the signal transmitted by the infrared sensor, the unlocking will not be performed; in addition, be provided with the response button on the door inside handle, response button connection control circuit board 60 unblanks when control circuit board 60 received the signal that the response button sent, and of course, the user also can unblank through the traditional mode of rotatory door inside handle when needing to go out.
In addition, when the user forgets to carry the portable terminal device, the intelligent door lock can be unlocked in a face recognition device or retina recognition device mode, the face recognition device or retina recognition device is respectively used for collecting face images or retina information of the user, transmitting the collected face images or retina information to the control circuit board 60 for face recognition or retina recognition, and unlocking when the face images or retina information is matched with the characteristics of the prestored face images or retina images.
Referring to fig. 1a to 1d, the following describes the electric intelligent unlocking process: when the portable terminal device sends an unlocking signal to the control circuit board 60, the control circuit board 60 starts to control the motor 50 to operate, the motor 50 drives the gear 21 to rotate clockwise, so as to drive the driving peg wheel 22 to rotate clockwise, the rotating arm 2221 on the driving peg wheel 22 enters the driven sheave radial groove 231a, so as to drive the driven sheave 23 to rotate counterclockwise, the driven sheave 23 drives the driving piece 32 to move leftward through the sliding of the pin 34 in the radial groove 231b, so as to drive the linked lock tongue 31 to move leftward, and when the rotating arm 2221 on the driving peg wheel 22 rotates out of the driven sheave radial groove 231a, the linked lock tongue 31 just retracts into the lock body housing 10 completely; in the process that the driving pin wheel 22 rotates clockwise, the shifting block 2211 shifts the boss 4241 at the lower end of the first connecting rod 424, so that the first connecting rod 424 also rotates anticlockwise; the upper end of the first connecting rod 424 toggles the inclined bolt connecting rod 423 to move leftwards, so as to drive the inclined bolt 41 to retract into the lock body shell 10; after the interlocking bolt 31 and the inclined bolt 41 are retracted back to the lock body shell 10, the strong spring 11 automatically bounces off the door body to complete the intelligent unlocking process, and after the door body is opened, the inclined bolt 41 is driven by the reset spring 421 to return to the initial extending state.
The intelligent locking process: after the door body is closed, the inclined lock tongue 41 is automatically clamped into the door body, when the motor 50 receives a lock closing signal sent by the control circuit board 60, the motor 50 drives the gear 21 to rotate anticlockwise so as to drive the driving pin wheel 22 to rotate anticlockwise, the rotating arm 2221 enters the radial groove 231a in the driven grooved wheel 23 to drive the driven grooved wheel 23 to rotate clockwise, the driven grooved wheel 23 drives the driving sheet 32 to move rightwards, the linkage lock tongue 31 moves rightwards, and when the rotating arm 2221 on the driving pin wheel 22 rotates out from the radial groove 231a of the driven grooved wheel, the linkage lock tongue 31 just extends out of the lock body shell 10 completely; the motor 50 continues to drive the driving pin wheel 22 to rotate, and when the half-moon-shaped dial 221 is matched with the locking notch 234, the motor 50 stops rotating, and the intelligent locking process is completed.
Referring to fig. 2a to 2d, in the second embodiment of the present invention, the intelligent door lock further includes a mechanical lock cylinder 80 on the basis of the first embodiment, which is used for facilitating a user to use a key to perform an emergency unlocking operation when the control circuit board 60 verifies that an abnormality occurs or the motor is in a fault state. The mechanical lock core 80 is provided with a lock core shifting block 81, the driven grooved wheel 23 is provided with a small arc-shaped groove matched with the lock core shifting block 81, the lock core shifting block 81 realizes the rotation of the driven grooved wheel 23 by shifting the small arc-shaped groove, preferably, the small arc-shaped groove is arranged on the locking arc-shaped grooves 232, two locking arc-shaped grooves 232 are provided with the small arc-shaped grooves, the number of the small arc-shaped grooves on each locking arc-shaped groove 232 is two, and four small arc-shaped grooves are preferably arranged on the locking arc-shaped grooves 233a, 233b, 233c and 233d, the middle connecting part of two continuous small arc-shaped grooves is provided with a locking notch 234 matched with the half-moon-shaped driving plate 221, the shape of the locking notch 234 is matched with the shape of the half-moon-shaped driving plate 221, the locking notch 234 can limit the driven grooved wheel 23 to rotate, namely, the driven grooved, the interlocking tongue 31 is not moved due to the restriction of the driven sheave 23, that is, when a knife or a sheet is inserted from the gap between the doors, the interlocking tongue 31 cannot be retracted by being moved, thereby achieving the function of preventing picking.
The intelligent door lock further comprises a cam 90 and a positioning spring 91, the cam 91 is slidably connected with a half-moon-shaped dial 221 in the driving pin wheel 22 through a second connecting rod 92, the positioning spring 91 is fixed on the lock body shell 10 to support and limit the position of the cam 90, as shown in fig. 2a, the position of the connecting end of the cam 90 and the second connecting rod 92 intersects with the maximum trajectory circle formed when the lock cylinder dial 81 rotates, so that the connecting end of the cam 90 and the second connecting rod 92 can be firstly shifted during the rotation of the lock cylinder dial 81, the cam 90 drives the driving pin wheel 22 to rotate through the second connecting rod 92, the rotating arm 1 enters the radial groove 231a on the driven slot 22223, the driven slot wheel 23 rotates through shifting the small arc-shaped groove during the continuous rotation of the lock cylinder dial 81, the driven slot wheel 23 drives the driving pin wheel 22 to rotate while the linkage bolt 31 expands and contracts, that is to say, during the process, the driven sheave 23 is equivalent to a driving wheel, the driving pin wheel 22 is equivalent to a driven wheel, the driving pin wheel 22 is driven by the driven sheave 23 to rotate through the rotating arm 2221, the shift 2211 on the driving pin wheel 22 further drives the oblique bolt transmission device 42 to move, and then the oblique bolt 41 is stretched, and specifically, the shift 2211 on the driving pin wheel 22 is driven by the first connecting rod 424 to rotate, and then the oblique bolt 41 is stretched.
The mechanical unlocking process is explained in detail below with reference to fig. 2a to 2 d: the lock cylinder shifting block 81 rotates clockwise along with the mechanical lock cylinder 80, when the lock cylinder shifting block 81 rotates to a position near the connecting position of the cam 90 and the second connecting rod 92, the lock cylinder shifting block 81 contacts with the cam 90, the cam 90 rotates counterclockwise, the cam 90 drives the driving pin wheel 22 to rotate counterclockwise through the second connecting rod 92, the half-moon-shaped dial 221 is separated from the locking notch 234, the rotating arm 2221 on the inner gear ring 222 enters the radial groove 231a on the driven grooved wheel 23, the lock cylinder shifting block 81 continues to rotate, the lock cylinder shifting block 81 is clamped into the small arc-shaped groove 233b and is matched with the small arc-shaped groove 233b on the driven grooved wheel 23 to drive the driven grooved wheel 23 to rotate counterclockwise, the lock cylinder shifting block 81 rotates out of the small arc-shaped groove 233b to rotate clockwise for the second turn, the lock cylinder shifting block 81 rotates for the second turn to shift the radial groove 231d of the driven grooved wheel 23, rotates for the third turn to shift the small arc-, driving the driving strap 32 to move leftwards; meanwhile, the driven grooved wheel 23 also intermittently drives the driving pin wheel 22 to rotate clockwise through the rotating arm 2221 in the process of rotating counterclockwise, and then the shifting head 2211 on the driving pin wheel 22 drives the oblique bolt transmission device 42 to move; finally, the interlocking bolt 31 and the inclined bolt 41 retract into the lock body shell 10 at the same time, the strong spring 11 bounces the door body to complete unlocking, and the lock cylinder shifting block 81 needs to rotate three circles in the process. It should be noted that after the final unlocking, the rotating arm 2221 of the driving pin wheel 22 is rotated out of the radial groove 231a of the driven sheave 23, as shown in fig. 2b, so that the locking can be performed again either electrically or mechanically. Similarly, the key-controlled locking process is opposite to the unlocking process, and is not described herein again.
In addition, the intelligent door lock provided by the first embodiment and the second embodiment can also realize the extension and retraction of the inclined bolt 41 through the hook-shaped connecting rod, specifically, the hook-shaped connecting rod comprises a short rod end 101 and a long rod end 102, the hook-shaped connecting rod and the driven sheave 23 are coaxially and rotatably connected to the lock body shell 10, the hook-shaped connecting rod and the driven sheave 23 respectively and independently rotate around a shaft, and the mutual influence is not influenced. Collude the outward first plectrum 321 of perpendicular lock body shell 10 on the type connecting rod through the driving piece 32 and stir short rod end 101 and realize self and rotate, long rod end 102 passes through extension spring 103 and links to each other with lock body shell 10, there is a perpendicular second plectrum 104 towards lock body shell 10 direction on long rod end 102 top, it is flexible to be used for driving oblique spring bolt transmission 42 to realize oblique spring bolt 41, specifically, second plectrum 104 on long rod end 102 drives first connecting rod 424 through the first half of stirring first connecting rod 424 and rotates, and then realize oblique spring bolt 41 is flexible.
It will be appreciated by those skilled in the art that the arrangement of devices shown in the figures or embodiments is merely schematic and representative of a logical arrangement. Where modules shown as separate components may or may not be physically separate, components shown as modules may or may not be physical modules.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (13)
1. An intelligent door lock based on sheave transmission is characterized by comprising a lock body shell, a sheave transmission assembly, a linkage bolt assembly, an inclined bolt assembly, a motor and a control circuit board; wherein,
the grooved pulley transmission component comprises a gear connected with the output end of the motor, a driving pin wheel meshed with the gear, and a driven grooved pulley meshed with the driving pin wheel;
the linkage lock tongue assembly comprises a linkage lock tongue and a driving piece integrally installed with the linkage lock tongue, and the driving piece is in sliding fit with the driven grooved wheel so as to drive the linkage lock tongue to stretch;
the inclined lock tongue assembly comprises an inclined lock tongue and an inclined lock tongue transmission device, and the inclined lock tongue transmission device is driven by the driving pin wheel to drive the inclined lock tongue to extend and retract;
the control circuit board is connected with the motor and used for controlling the motor to work when the control circuit board receives an unlocking or locking signal;
and the control circuit board is provided with a first wireless communication module in communication connection with the portable terminal equipment.
2. The smart door lock according to claim 1, wherein the driving pin wheel includes a half-moon-shaped dial, a dial provided on an outer edge of the half-moon-shaped dial, an inner ring gear provided on a lower layer of the disc, and a tumbler provided on the inner ring gear, at least a part of an inner peripheral surface of the inner ring gear being formed with inner peripheral teeth that mesh with the gear.
3. The intelligent door lock according to claim 2, wherein a plurality of radial grooves are uniformly formed in the driven sheave, and a locking arc-shaped groove matched with the half-moon-shaped driving plate is formed between every two adjacent radial grooves; the rotating arm drives the driven grooved wheel to rotate by entering the radial groove.
4. The intelligent door lock of claim 3, wherein the driving plate is provided with a pin, the pin is mounted in one of the radial grooves of the driven sheave and is connected with the radial groove in a sliding fit manner, the driving plate is further provided with a transverse sliding groove, and the transverse sliding groove is in sliding fit with a positioning pin fixedly arranged on the lock body shell.
5. The intelligent door lock of claim 3, wherein the angled bolt actuator comprises a return spring, a positioning plate, an angled bolt link, and a first link; the inclined lock tongue is fixed at the front end of an inclined lock tongue connecting rod, the reset spring is sleeved on the inclined lock tongue connecting rod, and the inclined lock tongue connecting rod is movably arranged on the positioning plate in a penetrating manner; the first connecting rod is rotatably connected to the lock body shell, the shifting head on the half-moon-shaped driving plate enables the first connecting rod to rotate by shifting the lower end of the first connecting rod, and the upper end of the first connecting rod can shift the rear end of the inclined spring bolt connecting rod to realize the expansion of the inclined spring bolt.
6. The intelligent door lock according to claim 3, further comprising a mechanical lock cylinder, wherein a lock cylinder shifting block is arranged on the mechanical lock cylinder, a small arc-shaped groove matched with the lock cylinder shifting block is arranged on the driven sheave, and a locking notch matched with the half-moon-shaped driving plate is arranged at the middle connecting part of the two continuous small arc-shaped grooves.
7. The intelligent door lock according to claim 6, further comprising a cam and a positioning spring, wherein the cam is slidably connected to the half-moon-shaped driving plate in the driving pin wheel through a second connecting rod, the positioning spring is fixed on the lock body shell and is used for supporting and limiting the position of the cam, so that the connecting end of the cam and the second connecting rod can be firstly shifted during the counterclockwise rotation of the lock cylinder shifting block, the cam drives the driving pin wheel to rotate through the second connecting rod, the rotating arm of the driving pin wheel enters the radial groove on the driven sheave, the driven sheave is realized by shifting the small arc groove during the counterclockwise rotation of the lock cylinder shifting block, the driven sheave drives the driving pin wheel to rotate while driving the linked lock tongue to extend and retract, and the shifting block on the driving pin wheel drives the oblique lock tongue transmission device to move, thereby realizing the extension of the inclined lock tongue.
8. The intelligent door lock according to any one of claims 1-7, further comprising a hook-shaped connecting rod, wherein the hook-shaped connecting rod comprises a short rod end and a long rod end, the hook-shaped connecting rod is rotatably connected to the lock body shell, when the lock is unlocked, the driving plate drives the short rod end to rotate, and then the hook-shaped connecting rod is rotated, and the long rod end is used for driving the oblique bolt transmission device to realize the extension of the oblique bolt.
9. The intelligent door lock according to any one of claims 1 to 7, wherein a strong spring perpendicular to the door panel is arranged on one side of the lock body shell close to the linked bolt and the inclined bolt, and is used for automatically bouncing the door body after the linked bolt and the inclined bolt retract into the lock body shell when the lock is unlocked.
10. The intelligent door lock according to any one of claims 1 to 7, wherein the portable terminal device is a remote controller or an intelligent watch, and a second wireless communication module in communication connection with the first wireless communication module is arranged on the remote controller or the intelligent watch; when a signal sent by a second wireless communication module of the remote controller or the smart watch passes the verification of the control circuit board, unlocking; when the signal that second wireless communication module of remote controller or intelligent wrist-watch sent does not pass control circuit board and verifies, can't unblank.
11. The intelligent door lock of claim 10, wherein the first wireless communication module and the second wireless communication module are bluetooth, wifi, NFC, 433, 3G/4G/5G or GPRS communication modules.
12. The intelligent door lock of claim 10, further comprising an outer door handle and an inner door handle, wherein,
an infrared sensor is arranged on one side of the door outer handle facing the door panel, the infrared sensor is connected with the control circuit board, and when the control circuit board receives signals sent by the portable terminal device and the infrared sensor at the same time, unlocking is carried out;
the door is characterized in that an induction button is arranged on the door inner handle and connected with the control circuit board, and when the control circuit board receives a signal sent by the induction button, the door is unlocked.
13. The intelligent door lock according to any one of claims 1-7, further comprising a face recognition device or a retina recognition device, wherein the face recognition device or the retina recognition device is connected to the control circuit board, and when the control circuit board recognizes that the face feature or the retina feature of the currently unlocked person is matched with the pre-stored face image or retina image, the intelligent door lock is automatically unlocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100354.2A CN112796578A (en) | 2019-11-12 | 2019-11-12 | Intelligent door lock based on sheave transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100354.2A CN112796578A (en) | 2019-11-12 | 2019-11-12 | Intelligent door lock based on sheave transmission |
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| Publication Number | Publication Date |
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| CN112796578A true CN112796578A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911100354.2A Pending CN112796578A (en) | 2019-11-12 | 2019-11-12 | Intelligent door lock based on sheave transmission |
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| CN (1) | CN112796578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165111A (en) * | 2021-11-24 | 2022-03-11 | 江西长帆机械有限公司 | Intelligent electronic lock with anti-theft alarm function |
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2019
- 2019-11-12 CN CN201911100354.2A patent/CN112796578A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165111A (en) * | 2021-11-24 | 2022-03-11 | 江西长帆机械有限公司 | Intelligent electronic lock with anti-theft alarm function |
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