CN114776145B - Locking switch driving mechanism and multistage mechanical matching type passive intelligent lock - Google Patents
Locking switch driving mechanism and multistage mechanical matching type passive intelligent lock Download PDFInfo
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- CN114776145B CN114776145B CN202210460624.6A CN202210460624A CN114776145B CN 114776145 B CN114776145 B CN 114776145B CN 202210460624 A CN202210460624 A CN 202210460624A CN 114776145 B CN114776145 B CN 114776145B
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- swing rod
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- rod assembly
- rotating shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000000670 limiting effect Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 30
- 230000002441 reversible effect Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 description 11
- 239000012472 biological sample Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
-
- 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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- Lock And Its Accessories (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of locking accessories, and particularly relates to a locking switch driving mechanism and a multistage mechanical cooperation type passive intelligent lock, wherein the locking switch driving mechanism comprises a linear moving block and a servo driving assembly, the servo driving assembly comprises a servo motor, a limiting moving frame and a transmission part, the transmission part is arranged at the output end of the servo motor, the limiting moving frame is arranged at the output end of the transmission part, and the limiting moving frame can be clamped with the linear moving block; the transmission part comprises a rotating shaft and a guide spring, the limiting moving frame is rotationally connected to the rotating shaft, a guide lug is arranged on the circumferential side wall of the rotating shaft, the guide spring is sleeved on the rotating shaft, two ends of the guide spring are abutted to the limiting moving frame, the guide lug is in sliding connection with a thread groove of the guide spring, the rotating shaft with the lug and a spring structure are adopted to simulate a screw rod transmission system, and the situation that the deviation of the output end of the linear mechanical telescopic driving structure influences the moving path of the switch is avoided.
Description
Technical Field
The invention belongs to the technical field of locking accessories, and particularly relates to a locking switch driving mechanism and a multistage mechanical cooperation type passive intelligent lock.
Background
The medical biological sample incubator can be locked and closed by a lock generally, so that the biological sample can be prevented from being stolen, lost, replaced and the like when the medical biological sample incubator is opened by any person at will during transportation due to the fact that the medical biological sample incubator is unlocked. Along with technological development, people consider the retrospective requirement of medical biological sample preservation device, apply the intelligent lock technology to medical biological sample insulation can, as the locking structure of insulation can lid and lid, however traditional intelligent lock can't break away from power drive, wherein, the action such as tracing to the source, discernment, drive locking switch all needs power drive machinery or communication unit to realize, active intelligent lock is limited by unexpected situations such as outage easily, short circuit, trouble, there is great instability, this kind of instability once appears in the biological insulation can, for example, if the circuit trouble is followed to the intelligent lock of the active intelligence in the insulation can of loading detection sample, then need violent destruction or maintenance to unlock, violent destruction can lead to tracing to source and discernment function inefficacy, and the maintenance will consume longer time, easily influence the detection sample quality, seriously influence sample insulation can heat preservation effect, therefore, insulation can intelligent locking structure lack practicality in the prior art, need to improve.
Meanwhile, a traditional locking structure of the sample incubator generally comprises a lock tongue and a hasp, wherein the lock tongue is driven by a driving source to be hooked in a buckle of the hasp when a limiting cover body is needed, the lock tongue is directly connected with the hasp, the hasp can release the acting force on the lock tongue when being dragged by the cover body, the lock tongue is easy to deform in the long term, and the traditional lock tongue is driven by the driving source to move along a straight line mostly, so that the deformed lock tongue has adverse effects on the whole moving path of the lock tongue, the lock tongue is easy to be incapable of being smoothly separated from the buckle, unlocking is invalid, the use of the sample incubator is seriously affected, and improvement is needed.
Moreover, most of the driving sources adapted to the lock tongue and the hasp are linear telescopic driving sources, and the mechanical linear telescopic driving sources generally tend to be overdriven, for example, when the lock tongue is driven to extend into the clasp of the hasp, the stroke length of the output end of the general driving source is far longer than the moving path length of the lock tongue, so that the driving source can be used for ensuring that the lock tongue can be driven to smoothly drive into a preset clasp ring, which leads to that the lock tongue is easy to impact on the inner wall of a cavity where the hasp is located, and the locking structure is easy to be damaged over time, thereby affecting the use of the intelligent lock.
Disclosure of Invention
The invention aims to provide a locking switch driving mechanism and a multistage mechanical cooperation type passive intelligent lock, which effectively realize accurate locking and unlocking and improve the practicability of the locking switch driving mechanism.
In order to achieve the above object, the locking switch driving mechanism provided by the embodiment of the invention comprises a linear moving block and a servo driving assembly, wherein the linear moving block can linearly move along a preset path; the servo driving assembly comprises a servo motor, a limiting moving frame and a transmission part, wherein the transmission part is arranged at the output end of the servo motor, the limiting moving frame is arranged at the output end of the transmission part, and the limiting moving frame can be clamped with the linear moving block; the transmission part comprises a rotating shaft and a guide spring, the rotating shaft is connected with an output main shaft of the servo motor in a synchronous transmission manner, the limiting moving frame is rotationally connected to the rotating shaft, a guide protruding block is arranged on the circumferential side wall of the rotating shaft, the guide spring is sleeved on the rotating shaft, two ends of the guide spring are respectively abutted to the inner wall of the limiting moving frame, and the guide protruding block is in sliding connection with a thread groove of the guide spring.
Optionally, the end of the limiting moving frame is provided with a clamping block, and the end of the linear moving block is provided with a clamping groove capable of being matched with the clamping block in a clamping manner.
Optionally, the moving direction of the linear moving block is perpendicular to the moving direction of the limiting moving frame.
The above technical solutions in the locking switch driving mechanism provided by the embodiments of the present invention have at least one of the following technical effects: when the linear moving block needs to do linear movement relative to the hasp, the servo motor drives the rotating shaft to rotate, the guide lug rotates along with the rotating shaft to move along the thread groove of the guide spring, and the whole limiting moving frame is pushed to be far away from the linear moving block through the guide spring, and at the moment, the linear moving block can do free movement and is far away from or close to the hasp; compared with the traditional active intelligent lock which mostly adopts a linear mechanical telescopic driving structure as a driving source of a lock tongue and a hasp, the lock tongue and the hasp are easy to damage to cause the intelligent lock to fail, and the technical problem to be improved is urgently solved.
In order to achieve the above purpose, the multi-stage mechanical matching type passive intelligent lock provided by the embodiment of the invention comprises a mounting frame, the locking switch driving mechanism and the multi-stage engagement lock tongue mechanism, wherein the mounting frame is provided with a locking opening for a snap ring of a hasp to pass through, and the locking switch driving mechanism is arranged in the mounting frame; the multistage meshing spring bolt mechanism comprises a first elastic swing rod assembly and a second elastic swing rod assembly, the first elastic swing rod assembly and the second elastic swing rod assembly are connected in the installation frame in a rotating mode, a first limit groove for hooking a snap ring of the snap buckle is formed in the direction of the free end of the first elastic swing rod assembly from the snap buckle, a second limit groove for meshing the free end of the first elastic swing rod assembly is formed in the free end of the second elastic swing rod assembly, the locking switch driving mechanism and the first elastic swing rod assembly are located on the same side of the second elastic swing rod assembly, the free end of the second elastic swing rod assembly is influenced by an elastic unit of the second elastic swing rod assembly to rotate in the direction of the linear moving block all the time, and the free end of the first elastic swing rod assembly is influenced by the elastic unit of the second elastic swing rod assembly to rotate in the direction of the snap buckle all the time.
Optionally, the first elastic swing rod assembly includes first pendulum rod and first elastic restoring element, first pendulum rod rotates to be connected on the installing frame, the cross-section of first pendulum rod is C type column structure setting, first spacing groove shaping in the free end of first pendulum rod, the notch border in first spacing groove is in towards the direction of second elastic swing rod assembly extends and can the joint be in the second spacing groove, the both ends of first elastic restoring element respectively with the free end of first pendulum rod with the inner wall fixed connection of installing frame.
Optionally, the second elastic swing rod assembly includes second swing rod and second elastic restoring element, the second swing rod rotates to be connected on the installing frame, the cross-section of second swing rod is sharp rod-like structure setting, first elastic swing rod assembly with locking switch actuating mechanism is from the free end of second swing rod to the stiff end direction of second swing rod sets gradually and is located the homonymy of second swing rod, the second spacing groove shaping in the second swing rod is close to the tip of first elastic swing rod assembly, the both ends of second elastic restoring element respectively with the free end of second swing rod with the inner wall fixed connection of installing frame.
Optionally, the passive intelligent lock of multistage mechanical fit formula still includes the guide holder, the fixed setting of guide holder is in the installing frame just is located one side of second elasticity pendulum rod subassembly, be provided with the opening orientation on the guide holder the unblock groove of second elasticity pendulum rod subassembly, be provided with in the guide holder and be used for the installation servo drive subassembly's installation die cavity, the pivot rotates to be connected in the installation die cavity, the installation die cavity passes through a connecting hole and unblock groove intercommunication, linear movement piece sliding connection is in the unblock inslot, spacing moving frame's tip with connecting hole sliding connection.
Optionally, a driving circuit system is arranged in the installation cavity, the driving circuit system comprises a communication identification module and a reverse power supply module, the output end of the communication identification module is in driving connection with the reverse power supply module, so as to be used for providing weak current to the reverse power supply module, and the output end of the reverse power supply module is in electric driving connection with the servo motor.
Optionally, the communication identification module provides weak current to the reverse power module through an NFC transmission communication protocol.
Optionally, the driving circuit system further comprises an emergency communication module and an external emergency remote controller, wherein the emergency communication module is in driving connection with the reverse power supply module, and the external emergency remote controller is in signal connection with the emergency communication module through a bluetooth or infrared protocol.
The technical scheme or schemes in the multistage mechanical matching type passive intelligent lock provided by the embodiment of the invention at least have one of the following technical effects: because the multistage mechanical cooperation type passive intelligent lock is provided with the ground locking switch driving mechanism, when the linear moving block needs to do linear movement relative to the hasp, the servo motor drives the rotating shaft to rotate, the guide convex block rotates along the thread groove of the guide spring to move, and the whole limit moving frame is pushed to be far away from the linear moving block by the guide spring, and at the moment, the linear moving block can do free movement and be far away from or close to the hasp; compared with the traditional active intelligent lock which mostly adopts a linear mechanical telescopic driving structure as a driving source of a lock tongue and a hasp, the lock tongue and the hasp are easy to damage to cause the intelligent lock to fail, and the technical problem to be improved is urgent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a multi-stage mechanical-matching passive intelligent lock according to an embodiment of the present invention.
Fig. 2 is an exploded view of the structure of the multi-stage mechanically-mated passive smart lock of fig. 1.
Fig. 3 is a schematic cross-sectional view of the multi-stage mechanically-engaged passive smart lock of fig. 1 when unlocked.
Fig. 4 is a schematic cross-sectional view of the multi-stage mechanically-mated passive smart lock of fig. 1 when locked.
Wherein, each reference sign in the figure:
10-linear moving block 20-servo driving assembly 21-servo motor
22-Limit moving frame 23-transmission part 221-clamping block
41-First elastic swing rod assembly 40-multistage snap-in bolt mechanism 30-mounting frame
42-Second elastic swing rod assembly 413-first limit slot 411-first swing rod
412-First elastic restoring piece 422-second elastic restoring piece 421-second swing rod
423-Second limiting groove 43-guide seat 50-driving circuit system
51-A communication identification module 53-an external emergency remote controller 52-a reverse power supply module.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 4 are exemplary and intended to illustrate embodiments of the present invention and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
In one embodiment of the present invention, as shown in fig. 1 to 4, a locking switch driving mechanism is provided, which includes a linear moving block 10 and a servo driving assembly 20, wherein the linear moving block 10 can move linearly along a preset path; the servo driving assembly 20 comprises a servo motor 21, a limiting moving frame 22 and a transmission part 23, wherein the transmission part 23 is arranged at the output end of the servo motor 21, the limiting moving frame 22 is arranged at the output end of the transmission part 23, and the limiting moving frame 22 can be clamped with the linear moving block 10; the transmission part 23 comprises a rotating shaft and a guide spring, the rotating shaft is synchronously in transmission connection with an output main shaft of the servo motor 21, the limiting moving frame 22 is rotationally connected to the rotating shaft, a guide lug is arranged on the circumferential side wall of the rotating shaft, the guide spring is sleeved on the rotating shaft, two ends of the guide spring are respectively abutted to the inner wall of the limiting moving frame 22, and the guide lug is in sliding connection with a thread groove of the guide spring.
The locking switch driving mechanism in the embodiment is applied to an intelligent lock in a medical biological sample insulation can for transportation, specifically, the linear moving block 10 and the servo driving assembly 20 are both arranged in a shell of the intelligent lock, and the linear moving block 10 is used for driving a lock tongue of the intelligent lock to move, so that unlocking or locking actions are realized.
Specifically, when the linear moving block 10 needs to make linear movement relative to the hasp, the servo motor 21 drives the rotating shaft to rotate, the guide lug rotates along with the threaded groove of the guide spring to move, and the whole limiting moving frame 22 is pushed to be far away from the linear moving block 10 by the guide spring, so that the linear moving block 10 can make free movement to be far away from or close to the hasp; compared with the traditional active intelligent lock which mostly adopts a linear mechanical telescopic driving structure as a driving source of a lock tongue and a hasp, the lock tongue and the hasp are easy to damage to cause the intelligent lock to fail, and the technical problem to be improved is to be solved.
As shown in fig. 1 to 4, in another embodiment of the present invention, a clamping block 221 is disposed at an end of the limiting moving frame 22, a clamping groove capable of being clamped and adapted to the clamping block 221 is disposed at an end of the linear moving block 10, specifically, in this embodiment, a moving direction of the linear moving block 10 is disposed in a horizontal direction, the clamping groove vertically penetrates through the linear moving block 10, and the end of the clamping block 221 can move deep into the clamping groove to limit the linear moving block 10.
As shown in fig. 1 to 4, in another embodiment of the present invention, the moving direction of the linear moving block 10 and the moving direction of the limiting moving frame 22 are perpendicular to each other, and the moving direction of the dislocation arrangement is beneficial to improving the limiting effect of the clamping block 221.
As shown in fig. 1 to 4, another embodiment of the present invention provides a multi-stage mechanical-matching passive smart lock, which includes a mounting frame 30, the locking switch driving mechanism and a multi-stage locking bolt mechanism 40, where the mounting frame 30 is provided with a locking opening through which a snap ring of a hasp passes, and the locking switch driving mechanism is disposed in the mounting frame 30; the multistage engagement locking bolt mechanism 40 comprises a first elastic swing rod assembly 41 and a second elastic swing rod assembly 42, the first elastic swing rod assembly 41 and the second elastic swing rod assembly 42 are both rotatably connected in the mounting frame 30, a first limit groove 413 for hooking a snap ring of the snap buckle is formed in the direction from the snap buckle to the free end of the first elastic swing rod assembly 41, a second limit groove 423 for engaging the free end of the first elastic swing rod assembly 41 is formed in the free end of the second elastic swing rod assembly 42, the locking switch driving mechanism and the first elastic swing rod assembly 41 are located on the same side of the second elastic swing rod assembly 42, the free end of the second elastic swing rod assembly 42 is always rotated in the direction of the linear moving block 10 under the influence of an elastic unit of the second elastic swing rod assembly, and the free end of the first elastic swing rod assembly 41 is always rotated in the direction of the snap buckle under the influence of the elastic unit of the second elastic swing rod assembly.
In this embodiment, the passive intelligent lock is applied in a thermal insulation box for transporting medical biological samples, specifically, the mounting frame 30 is disposed at the upper end edge of the box body of the thermal insulation box, the cover body of the thermal insulation box is provided with a buckle for hooking and adapting to the multistage snap-lock mechanism 40, wherein, when the thermal insulation box needs to be locked, the end of the linear moving block 10 extends to the outside of the mounting frame 30 and is used for the contact driving of an operator, the operator rotationally drives the cover body to the direction of the multistage snap-lock mechanism 40, the buckle moves towards the mounting frame 30, and drives the buckle ring of the buckle to enter the mounting frame 30 through the locking notch, until the free end of the first elastic swinging rod component 41 is pushed to rotate to a preset angle against the thrust of an elastic unit of the buckle ring and then is snapped with the second limiting groove 423, at this moment, the buckle ring is hooked and locked with the inner wall of the first limiting groove 413, when the unlocking is needed, the linear servo motor 21 drives the rotating shaft to rotate along the threaded groove of the guide spring, and pushes the whole limiting moving frame 22 to be far away from the moving block 10 through the guide spring, the free end of the moving block 10 can drive the free end of the first swinging rod component 41 to move back to the first elastic swinging rod component 41, the second elastic swinging rod component 41 is driven by the elastic swinging rod component 41 to move back to the first elastic swinging rod component 41, the elastic swinging rod 41 is released from the elastic unit 42, and the elastic swinging rod is driven by the elastic swinging rod 41 is free to move the elastic unit 42 to move the elastic unit to move back to the first elastic swinging rod 41, and the elastic swinging rod 41 to move up to the elastic unit 42, and the elastic swinging rod 41 is free to move up to the elastic unit, and the elastic swinging rod 41, and unlocking the sample incubator.
As shown in fig. 1 to 4, in another embodiment of the present invention, the first elastic swing rod assembly 41 includes a first swing rod 411 and a first elastic restoring member 412, the first swing rod 411 is rotatably connected to the mounting frame 30, the cross section of the first swing rod 411 is in a C-shaped structure, the first limit groove 413 is formed at a free end of the first swing rod 411, a notch edge of the first limit groove 413 extends toward the direction of the second elastic swing rod assembly 42 and can be clamped in the second limit groove 423, two ends of the first elastic restoring member 412 are fixedly connected with a free end of the first swing rod 411 and an inner wall of the mounting frame 30 respectively, specifically, the first limit groove 413 is opened opposite to a fixed end of the first swing rod 411, the locking notch is arranged along a vertical direction, when the first limit groove 413 is unlocked, the extending direction of the first limit groove 413 gradually coincides with the extending direction of the locking notch, and when the extending direction of the first limit groove 413 is perpendicular to the extending direction of the locking notch, the extending direction of the first limit groove 413 abuts against the inner wall of the first limit groove.
As shown in fig. 1 to 4, in another embodiment of the present invention, the second elastic swing rod assembly 42 includes a second swing rod 421 and a second elastic restoring member 422, the second swing rod 421 is rotatably connected to the mounting frame 30, a cross section of the second swing rod 421 is in a linear rod structure, the first elastic swing rod assembly 41 and the locking switch driving mechanism are sequentially disposed from a free end of the second swing rod 421 toward a fixed end of the second swing rod 421 and are located at a same side of the second swing rod 421, the second limiting slot 423 is formed at an end portion of the second swing rod 421 near the first elastic swing rod assembly 41, and two ends of the second elastic restoring member 422 are fixedly connected with the free end of the second swing rod 421 and an inner wall of the mounting frame 30 respectively; specifically, the first elastic restoring member 412 and the second elastic restoring member 422 are torsion springs.
As shown in fig. 1 to 4, in another embodiment of the present invention, the multi-stage mechanical-matching passive smart lock further includes a guide seat 43, the guide seat 43 is fixedly disposed in the mounting frame 30 and is located at one side of the second elastic swing rod assembly 42, an unlocking slot with an opening facing the second elastic swing rod assembly 42 is disposed on the guide seat 43, a mounting cavity for mounting the servo driving assembly 20 is disposed in the guide seat 43, the rotating shaft is rotatably connected in the mounting cavity, the mounting cavity is communicated with the unlocking slot through a connection hole, the linear moving block 10 is slidably connected in the unlocking slot, and an end of the limiting moving frame 22 is slidably connected with the connection hole.
In this embodiment, the rotation paths of the first swing rod 411 and the second swing rod 421 are staggered, and when the first swing rod 411 and the second swing rod 421 are staggered, they are vertically engaged, the guide seat 43 is located between the first swing rod 411 and the second swing rod 421, the first swing rod 411 is rotationally connected to the upper portion of the guide seat 43, the second swing rod 421 is rotationally connected to one side of the guide seat 43, the first elastic restoring member 412 always drives the free end of the first swing rod 411 to be far away from the guide seat 43, and the second elastic restoring member 422 always drives the free end of the second swing rod 421 to be close to the guide seat 43.
In another embodiment of the present invention, as shown in fig. 1 to 4, a driving circuit system 50 is disposed in the mounting cavity, the driving circuit system 50 includes a communication identification module 51 and a reverse power supply module 52, an output end of the communication identification module 51 is in driving connection with the reverse power supply module 52, so as to be used for providing weak current to the reverse power supply module 52, and an output end of the reverse power supply module 52 is electrically and drivingly connected with the servo motor 21.
Specifically, in this embodiment, after the user approaches the mobile phone to the passive smart lock, software on the mobile phone drives the mobile phone to transmit a communication instruction to the communication identification module 51, part of energy in the communication instruction is received by the reverse power supply module 52 and drives the servo motor 21 to operate, and when the identification communication module is connected with the data cloud to confirm the identity of the user, the servo motor 21 drives the transmission part 23 to perform unlocking action or keep; meanwhile, the communication identification module 51 can record key traceability data such as unlocking times, time or place.
As shown in fig. 1 to 4, in another embodiment of the present invention, the communication identification module 51 provides the weak current to the reverse power supply module 52 through an NFC transmission communication protocol, and in other embodiments, the transmission protocol may also be an RFID communication protocol.
As shown in fig. 1 to 4, in another embodiment of the present invention, the driving circuit system 50 further includes an emergency communication module and an external emergency remote controller 53, where the emergency communication module is in driving connection with the reverse power supply module 52, and the external emergency remote controller 53 is in signal connection with the emergency communication module through a bluetooth or an infrared protocol, so as to prevent a situation that the sample incubator can only be disassembled by violence when the NFC or the RFID communication protocol fails, and meanwhile, also shorten the data transmission time of the intelligent lock, thereby further realizing emergency unpacking operation and improving the practicality of the passive intelligent lock.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A multi-stage mechanically-mated passive smart lock, comprising:
the mounting frame is provided with a locking opening for the snap ring of the snap fastener to pass through;
The locking switch driving mechanism is arranged in the mounting frame;
The locking switch driving mechanism comprises a linear moving block which can linearly move along a preset path, and the end part of the linear moving block extends to the outer side of the mounting frame and is used for contact driving of operators;
The servo driving assembly comprises a servo motor, a limiting moving frame and a transmission part, wherein the transmission part is arranged at the output end of the servo motor, the limiting moving frame is arranged at the output end of the transmission part, and the limiting moving frame can be clamped with the linear moving block;
The transmission component comprises a rotating shaft and a guide spring, the rotating shaft is synchronously connected with an output main shaft of the servo motor in a transmission manner, the limiting moving frame is rotationally connected to the rotating shaft, a guide protruding block is arranged on the circumferential side wall of the rotating shaft, the guide spring is sleeved on the rotating shaft, two ends of the guide spring are respectively abutted to the inner wall of the limiting moving frame, and the guide protruding block is in sliding connection with a thread groove of the guide spring;
The end part of the limiting moving frame is provided with a clamping block, and the end part of the linear moving block is provided with a clamping groove which can be matched with the clamping block in a clamping way;
the moving direction of the linear moving block is perpendicular to the moving direction of the limiting moving frame;
The multistage engagement spring bolt mechanism comprises a first elastic swing rod assembly and a second elastic swing rod assembly, wherein the first elastic swing rod assembly and the second elastic swing rod assembly are both rotationally connected in the installation frame, a first limit groove for hooking a snap ring of the snap buckle is formed in the direction from the snap buckle to the free end of the first elastic swing rod assembly, a second limit groove for engaging the free end of the first elastic swing rod assembly is formed in the free end of the second elastic swing rod assembly, the locking switch driving mechanism and the first elastic swing rod assembly are located on the same side of the second elastic swing rod assembly, the free end of the second elastic swing rod assembly is always rotated towards the direction of the linear moving block under the influence of an elastic unit of the second elastic swing rod assembly, and the free end of the first elastic swing rod assembly is always rotated towards the direction of the snap buckle under the influence of the elastic unit of the second elastic swing rod assembly;
When the linear moving block moves towards the free end of the second elastic swing rod assembly, the linear moving block drives the free end of the second elastic swing rod assembly to rotate against the first elastic swing rod assembly against the thrust of the elastic unit, and the engagement state between the first elastic swing rod assembly and the second elastic swing rod assembly is relieved;
The second elastic swing rod assembly comprises a second swing rod and a second elastic reset piece, the second swing rod is rotationally connected to the mounting frame, the section of the second swing rod is in a linear rod-shaped structure, the first elastic swing rod assembly and the locking switch driving mechanism are sequentially arranged from the free end of the second swing rod to the fixed end of the second swing rod and are located on the same side of the second swing rod, the second limiting groove is formed in the end part, close to the first elastic swing rod assembly, of the second swing rod, and two ends of the second elastic reset piece are fixedly connected with the free end of the second swing rod and the inner wall of the mounting frame respectively.
2. The multi-stage mechanically-mated passive smart lock of claim 1, wherein: the first elastic swing rod assembly comprises a first swing rod and a first elastic reset piece, the first swing rod is rotationally connected to the mounting frame, the section of the first swing rod is in a C-shaped structure, a first limit groove is formed in the free end of the first swing rod, the notch edge of the first limit groove extends towards the direction of the second elastic swing rod assembly and can be clamped in the second limit groove, and two ends of the first elastic reset piece are fixedly connected with the free end of the first swing rod and the inner wall of the mounting frame respectively.
3. The multi-stage mechanically-mated passive smart lock of claim 1, wherein: the multistage mechanical cooperation type passive intelligent lock further comprises a guide seat, the guide seat is fixedly arranged in the installation frame and located on one side of the second elastic swing rod assembly, an opening is arranged on the guide seat and faces to an unlocking groove of the second elastic swing rod assembly, an installation cavity for installing the servo driving assembly is arranged in the guide seat, the rotating shaft is rotationally connected in the installation cavity, the installation cavity is communicated with the unlocking groove through a connecting hole, the linear moving block is slidably connected in the unlocking groove, the end part of the limiting moving frame is slidably connected with the connecting hole, and a reset piece is arranged between the linear moving block and the inner wall of the unlocking groove.
4. The multi-stage mechanically-mated passive smart lock of claim 3, wherein: the installation cavity is internally provided with a driving circuit system, the driving circuit system comprises a communication identification module and a reverse power supply module, the output end of the communication identification module is in driving connection with the reverse power supply module, so as to be used for providing weak current to the reverse power supply module, and the output end of the reverse power supply module is in electric driving connection with the servo motor.
5. The multi-stage mechanically-mated passive smart lock of claim 4 wherein: the communication identification module provides weak current to the reverse power supply module through an NFC transmission communication protocol.
6. The multi-stage mechanically-mated passive smart lock of claim 4 wherein: the driving circuit system further comprises an emergency communication module and an external emergency remote controller, the emergency communication module is in driving connection with the reverse power supply module, and the external emergency remote controller is in signal connection with the emergency communication module through Bluetooth or infrared protocol.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210460624.6A CN114776145B (en) | 2022-04-24 | 2022-04-24 | Locking switch driving mechanism and multistage mechanical matching type passive intelligent lock |
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| CN202210460624.6A CN114776145B (en) | 2022-04-24 | 2022-04-24 | Locking switch driving mechanism and multistage mechanical matching type passive intelligent lock |
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| CN114776145B true CN114776145B (en) | 2024-05-07 |
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| CN114776145A (en) | 2022-07-22 |
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