CN114776145A - Locking switch driving mechanism and multi-stage mechanical matching type passive intelligent lock - Google Patents
Locking switch driving mechanism and multi-stage mechanical matching type passive intelligent lock Download PDFInfo
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- CN114776145A CN114776145A CN202210460624.6A CN202210460624A CN114776145A CN 114776145 A CN114776145 A CN 114776145A CN 202210460624 A CN202210460624 A CN 202210460624A CN 114776145 A CN114776145 A CN 114776145A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 230000000670 limiting effect Effects 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 24
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 description 13
- 239000012472 biological sample Substances 0.000 description 8
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 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
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
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- 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
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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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- 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 multi-stage mechanical matching 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 rotatably connected to the rotating shaft, guide convex blocks are 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 convex blocks are slidably connected with thread grooves of the guide spring, the rotating shaft with the convex blocks and the spring structure are adopted to simulate a lead screw transmission system, and the condition that the output end deviation of the linear mechanical telescopic driving structure influences a switch moving path 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 multi-stage mechanical matching type passive intelligent lock.
Background
The medical biological sample incubator is usually locked and closed by a lock, so that the biological sample can be prevented from being opened by anyone at will in the transportation process due to the fact that the medical biological sample incubator is not locked, and the medical biological sample incubator is prevented from being stolen, lost, replaced and the like. With the development of science and technology, people consider the backtracking requirement of a medical biological sample storage device, apply an intelligent lock technology to a medical biological sample incubator as a locking structure of an incubator cover and a cover body, however, a traditional intelligent lock can not be separated from power drive, wherein actions of tracing, identifying, driving a locking switch and the like are all realized by a power drive machine or a communication unit, an active intelligent lock is easily limited by unexpected situations such as power failure, short circuit, fault and the like, and has great instability, once the instability appears in the biological incubator, for example, if an active intelligent lock in the incubator loaded with a detection sample fails in a circuit, the intelligent lock needs to be destroyed violently or maintained to unlock, the violent destruction can cause the failure of the tracing and identifying functions, the maintenance can take a long time, the quality of the detection sample is easily affected, and the insulation effect of the sample incubator is seriously affected, therefore, the intelligent locking structure of the incubator in the prior art lacks practicability, and needs to be improved urgently.
Meanwhile, the traditional sample incubator locking structure generally comprises a lock tongue and a hasp, the lock tongue is hooked in the buckle of the hasp when the drive source drives the limiting cover body, in the structure, the lock tongue is directly connected with the hasp, the hasp is dragged by the cover body, the acting force can be applied to the lock tongue, the time is long, the lock tongue is easy to deform, the traditional lock tongue is driven by the drive source to move along a straight line mostly, therefore, the lock tongue after deformation causes bad influence on the whole moving path of the lock tongue, the lock tongue can not be smoothly separated from the buckle easily, the unlocking is ineffective, the use of the sample incubator is seriously influenced, and the improvement is needed urgently.
Furthermore, most of the driving sources adapted to the lock tongue and the buckle 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 buckle ring of the buckle, the length of the stroke of the output end of the general driving source is much longer than the length of the moving path of the lock tongue, so as to ensure that the driving source can drive the lock tongue to smoothly drive the preset buckle ring, which causes the lock tongue to easily impact the inner wall of the cavity where the buckle is located, and the locking structure is easily damaged in the long term, which affects the use of the intelligent lock and needs to be improved urgently.
Disclosure of Invention
The invention aims to provide a locking switch driving mechanism and a multi-stage mechanical matching 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, an embodiment of the present invention provides a driving mechanism for a locking switch, including a linear moving block and a servo driving assembly, where the linear moving block can move linearly along a preset path; 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 rotating shaft is connected with an output main shaft of the servo motor in a synchronous transmission mode, the limiting moving frame is connected to the rotating shaft in a rotating mode, a guide convex 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 convex block is connected with a thread groove of the guide spring in a sliding mode.
Optionally, a clamping block is arranged at the end of the limiting moving frame, and a clamping groove capable of being clamped and matched with the clamping block is arranged at the end of the linear moving block.
Optionally, the moving direction of the linear moving block is perpendicular to the moving direction of the limiting moving frame.
One or more technical schemes in the driving mechanism of the locking switch provided by the embodiment of the invention at least have 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 protruding block rotates along the threaded groove of the guide spring, the whole limiting moving frame is pushed to be far away from the linear moving block through the guide spring, and the linear moving block can freely move 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 the lock tongue and the hasp, the lock tongue and the hasp are easy to damage to cause failure of the intelligent lock, and the technical problem to be improved urgently is solved.
In order to achieve the above object, an embodiment of the present invention provides a multi-stage mechanical-matching passive intelligent lock, which includes an installation frame, the above locking switch driving mechanism, and a multi-stage engagement bolt mechanism, where the installation frame is provided with a lock opening through which a buckle of a buckle passes, and the locking switch driving mechanism is arranged in the installation frame; the multi-stage meshing lock tongue mechanism comprises a first elastic swing rod component and a second elastic swing rod component, the first elastic swing rod component and the second elastic swing rod component are both rotatably connected in the installation frame, a first limit groove for hooking a buckle ring of the buckle is arranged in the direction from the buckle to the free end of the first elastic swing rod component, the free end of the second elastic swing rod component is provided with a second limit groove used for meshing the free end of the first elastic swing rod component, the locking switch driving mechanism and the first elastic swing rod component are positioned at the same side of the second elastic swing rod component, the free end of the second elastic swing rod component is influenced by the elastic unit to rotate towards the direction of the linear moving block all the time, the free end of the first elastic swing rod component is influenced by the elastic unit to rotate towards the direction of the hasp all the time.
Optionally, first elasticity pendulum rod subassembly includes first pendulum rod and first elasticity piece that resets, first pendulum rod rotates to be connected on the installation frame, the cross-section of first pendulum rod is the setting of C type column structure, first spacing groove shaping in the free end of first pendulum rod, the notch border of first spacing groove past the direction of second elasticity pendulum rod subassembly extends and can the joint be in the second spacing inslot, the both ends of first elasticity piece that resets respectively with the free end of first pendulum rod with the inner wall fixed connection of installation frame.
Optionally, the second elastic swing rod assembly includes a second swing rod and a second elastic reset piece, the second swing rod is rotatably connected to the mounting frame, the cross 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 portion, close to the first elastic swing rod assembly, of the second swing rod, and two ends of the second elastic reset piece are respectively fixedly connected to the free end of the second swing rod and the inner wall of the mounting frame.
Optionally, the multi-stage mechanical cooperation type passive intelligent lock further comprises a guide holder, the guide holder is fixedly arranged in the installation frame and located on one side of the second elastic swing rod assembly, an unlocking groove with an opening facing the second elastic swing rod assembly is formed in the guide holder, an installation cavity for installing the servo drive assembly is formed in the guide holder, the rotating shaft is rotatably 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, and the end portion of the limiting moving frame is slidably connected with the connecting hole.
Optionally, a driving circuit system is arranged in the installation cavity, the driving circuit system includes a communication identification module and a reverse power supply module, an output end of the communication identification module is in driving connection with the reverse power supply module to provide a weak point to flow onto the reverse power supply module, and an output end of the reverse power supply module is in electric driving connection with the servo motor.
Optionally, the communication identification module provides a weak current to the reverse power supply module through an NFC transmission communication protocol.
Optionally, the driving circuit system further includes 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 a bluetooth or infrared protocol.
One or more technical solutions in the multi-stage mechanical-matching passive intelligent lock provided by the embodiment of the present invention at least have one of the following technical effects: because the multistage mechanical matching 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 with the rotating shaft to move along the thread groove of the guide spring, 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 freely move 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 the lock tongue and the hasp, the intelligent lock is easy to damage the lock tongue and the hasp to cause failure of the intelligent lock, and the technical problem to be improved urgently is solved, the passive intelligent lock provided by the embodiment of the invention adopts a rotating shaft and spring structure with a lug to simulate a screw rod transmission system, so that the accurate regulation and control of a limiting moving frame are realized, the accurate locking or unlocking of an intelligent lock switch is improved, the condition that the deviation of the output end of the linear mechanical telescopic driving structure influences a switch moving path is avoided, the accurate locking and unlocking are effectively realized, the practicability of the locking switch driving mechanism is improved, and the active intelligent lock cannot be subjected to power failure, short circuit, fault and other accidents, the condition that the lock cannot be unlocked can not occur, and the sample can be detected within the specified time, so that the quality of the sample in the sample incubator is not influenced by the fact that the lock cannot be unlocked.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.
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 multi-stage mechanically-mated passive smart lock of fig. 1.
Fig. 3 is a sectional view of the multi-stage mechanical-fit passive smart lock in fig. 1 when unlocked.
Fig. 4 is a sectional view of the multi-stage mechanical-matching passive intelligent lock in fig. 1.
Wherein, in the figures, the various reference numbers:
10-linear moving block 20-servo driving component 21-servo motor
22-limiting movable frame 23-transmission part 221-clamping block
41-first elastic swing rod component 40-multi-stage engagement bolt mechanism 30-installation frame
42-second elastic swing rod component 413-first limiting groove 411-first swing rod
412-first elastic resetting piece 422-second elastic resetting piece 421-second swing link
423-second limiting groove 43-guide seat 50-drive circuit system
51-communication identification module 53-external emergency remote controller 52-reverse power supply module.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be used to illustrate embodiments of the 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", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
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, where 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, 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 connected with an output main shaft of the servo motor 21 in a synchronous transmission mode, the limiting moving frame 22 is connected in the rotating shaft in a rotating mode, a guide convex 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 22, and the guide convex block is connected with a thread groove of the guide spring in a sliding mode.
The locking switch driving mechanism in the embodiment is applied to an intelligent lock in a thermal insulation box for transporting medical biological samples, 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 is realized.
Specifically, when the linear moving block 10 needs to make linear movement relative to the buckle, the servo motor 21 drives the rotating shaft to rotate, the guide convex block rotates along the thread groove of the guide spring to move, the whole limiting moving frame 22 is pushed to be far away from the linear moving block 10 through the guide spring, and the linear moving block 10 can make free movement at the moment and is far away from or close to the buckle; compared with the traditional active intelligent lock which mostly adopts a linear mechanical telescopic driving structure as a driving source of the lock tongue and the hasp, the lock tongue and the hasp are easy to damage to cause failure of the intelligent lock, and the technical problem to be improved urgently is solved.
As shown in fig. 1 to 4, in another embodiment of the present invention, a clamping block 221 is disposed at an end portion of the limiting moving frame 22, and a clamping groove capable of clamping and adapting to the clamping block 221 is disposed at an end portion of the linear moving block 10, specifically, in this embodiment, a moving direction of the linear moving block 10 is set in a horizontal direction, the clamping groove vertically penetrates through the linear moving block 10, and an end portion 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 is perpendicular to the moving direction of the limiting moving frame 22, and the moving direction of the staggered arrangement is favorable for 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 intelligent lock, including a mounting frame 30, the above-mentioned locking switch driving mechanism and multi-stage engagement locking tongue mechanism 40, where the mounting frame 30 is provided with a locking notch for passing through a buckle ring of a buckle, and the locking switch driving mechanism is arranged in the mounting frame 30; the multi-stage engagement latch mechanism 40 includes a first elastic swing link assembly 41 and a second elastic swing link assembly 42, the first elastic swing link assembly 41 and the second elastic swing link assembly 42 are both rotatably connected in the mounting frame 30, a first limiting groove 413 for hooking a buckle of the buckle is formed from the buckle to the free end of the first elastic swing link assembly 41, the free end of the second elastic swing link assembly 42 is provided with a second limiting groove 423 for engaging with the free end of the first elastic swing link assembly 41, the locking switch driving mechanism and the first elastic swing link assembly 41 are located on the same side of the second elastic swing link assembly 42, the free end of the second elastic oscillating bar component 42 is influenced by the elastic unit to rotate towards the direction of the linear moving block 10 all the time, the free end of the first elastic swing link assembly 41 is always rotated in the direction of the buckle under the influence of the elastic unit.
In the embodiment, the passive intelligent lock is applied in an incubator for transporting medical biological samples, specifically, the mounting frame 30 is disposed at an upper end edge of a box body of the sample incubator, and a cover body of the sample incubator is provided with a buckle adapted to the multistage engagement locking bolt mechanism 40 in a hooking manner, wherein an end portion of the linear moving block 10 extends to an outer side of the mounting frame 30 and is used for being contacted and driven by an operator, when the sample incubator needs to be locked, the operator drives the cover body to rotate in a direction of the multistage engagement locking bolt mechanism 40, the buckle moves in a direction of the mounting frame 30, and drives a buckle of the buckle to enter the mounting frame 30 through a lock opening until the buckle pushes a free end of the first elastic swing rod assembly 41 to rotate to a preset angle against a thrust of an elastic unit of the first elastic swing rod assembly to be in a clamping manner with the second limiting groove 423, and at this time, the buckle is hooked and locked with an inner wall of the first limiting groove 413, when the unlocking is needed, the servo motor 21 drives the rotating shaft to rotate, the guide convex block rotates along with the rotating shaft and moves along the thread groove of the guide spring, the whole limiting moving frame 22 is pushed by a guide spring to be far away from the linear moving block 10, at the moment, the linear moving block 10 can move freely, an operator drives the linear moving block 10 to move towards the free end of the second elastic oscillating bar component 42 until the linear moving block 10 drives the free end of the second elastic oscillating bar component 42 to overcome the thrust of an elastic unit of the free end and rotate back to the first elastic oscillating bar component 41, so that the first elastic oscillating bar component 41 is in meshed contact with the second elastic oscillating bar component 42, the elastic unit in the first elastic oscillating bar component 41 drives the free end of the first elastic oscillating bar component 41 to reset, the retaining ring can be separated from the first limiting groove 413 from the notch of the first limiting groove 413, and the unlocking of the sample incubator is realized.
As shown in fig. 1 to 4, in another embodiment of the present invention, the first elastic swing link assembly 41 includes a first swing link 411 and a first elastic reset element 412, the first swing link 411 is rotatably connected to the mounting frame 30, a cross section of the first swing link 411 is arranged in a C-shaped structure, the first limit groove 413 is formed at a free end of the first swing link 411, a notch edge of the first limit groove 413 extends toward the second elastic swing link assembly 42 and can be clamped in the second limit groove 423, two ends of the first elastic reset element 412 are respectively fixedly connected to the free end of the first swing link 411 and an inner wall of the mounting frame 30, specifically, the first limit groove 413 is opened back to a fixed end of the first swing link 411, the locking opening is arranged along a vertical direction, when unlocking, an extending direction of the first limit groove 413 gradually coincides with an extending direction of the locking opening, when the lock is locked, the extending direction of the first limiting groove 413 is perpendicular to the extending direction of the lock opening, and the inner wall of the upper end of the first limiting groove 413 is abutted to the retaining ring.
As shown in fig. 1 to 4, in another embodiment of the present invention, the second elastic swing link assembly 42 includes a second swing link 421 and a second elastic restoring member 422, the second swing link 421 is rotatably connected to the mounting frame 30, a cross section of the second swing link 421 is configured in a linear rod-shaped structure, the first elastic swing link assembly 41 and the locking switch driving mechanism are sequentially disposed from a free end of the second swing link 421 to a fixed end of the second swing link 421 and are located on a same side of the second swing link 421, the second limiting groove 423 is formed at an end of the second swing link 421 close to the first elastic swing link assembly 41, and two ends of the second elastic restoring member 422 are respectively fixedly connected to the free end of the second swing link 421 and an inner wall of the mounting frame 30; 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 multistage mechanical-matching passive smart lock further includes a guide holder 43, the guide holder 43 is fixedly disposed in the mounting frame 30 and located at one side of the second elastic swing link assembly 42, an unlocking groove with an opening facing the second elastic swing link assembly 42 is disposed on the guide holder 43, a mounting cavity for mounting the servo drive assembly 20 is disposed in the guide holder 43, the rotating shaft is rotatably connected in the mounting cavity, the mounting cavity is communicated with the unlocking groove through a connecting hole, the linear moving block 10 is slidably connected in the unlocking groove, and an end of the limiting moving frame 22 is slidably connected with the connecting hole.
In this embodiment, the rotation paths of the first swing link 411 and the second swing link 421 are arranged in a staggered manner, and when the first swing link 411 and the second swing link 421 are arranged in a mutually perpendicular engaged manner when staggered, the guide seat 43 is located between the first swing link 411 and the second swing link 421, the first swing link 411 is rotatably connected above the guide seat 43, the second swing link 421 is rotatably connected to one side of the guide seat 43, the first elastic reset member 412 always drives the free end of the first swing link 411 to be away from the guide seat 43, and the second elastic reset member 422 always drives the free end of the second swing link 421 to be close to the guide seat 43.
As shown in fig. 1 to 4, in another embodiment of the present invention, a driving circuit system 50 is disposed in the installation 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 for providing a weak point current to the reverse power supply module 52, and an output end of the reverse power supply module 52 is electrically in driving connection with the servo motor 21.
Specifically, after the user brings the mobile phone close to the passive smart lock, for example, in this embodiment, software on the mobile phone drives the mobile phone to transmit a communication instruction to the communication identification module 51, a 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 an unlocking action or keep; meanwhile, the communication identification module 51 may also record key traceability data such as the number of times, time or place of unlocking.
As shown in fig. 1 to 4, in another embodiment of the present invention, the communication identification module 51 provides a 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, 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 infrared protocol, so as to prevent the sample incubator from being disassembled violently when the NFC or RFID communication protocol fails, and at the same time, shorten data transmission time of the intelligent lock, further implement emergency unpacking operation, and improve practicability of the passive intelligent lock.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. A locking switch actuating mechanism, comprising:
the linear moving block can move linearly 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 mode, the limiting moving frame is connected to the rotating shaft in a rotating mode, a guide convex 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 convex block is connected with a thread groove of the guide spring in a sliding mode.
2. The locking switch drive mechanism of claim 1 wherein: 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 capable of clamping and adapting to the clamping block.
3. The locking switch actuating mechanism of claim 1 wherein: the moving direction of the linear moving block is perpendicular to the moving direction of the limiting moving frame.
4. A multi-stage mechanical mating passive intelligent lock is characterized by comprising:
the installation frame is provided with a locking opening for the buckle of the hasp to pass through;
the latching switch actuating mechanism of any one of claims 1 to 3 disposed within the mounting frame;
the multi-stage meshing spring bolt mechanism comprises a first elastic swing rod component and a second elastic swing rod component, wherein the first elastic swing rod component and the second elastic swing rod component are rotatably connected in the installation frame, a first limiting groove used for hooking a buckle of the buckle is formed in the direction from the buckle to the free end of the first elastic swing rod component, a second limiting groove used for meshing the free end of the first elastic swing rod component is formed in the free end of the second elastic swing rod component, the locking switch driving mechanism and the first elastic swing rod component are located on the same side of the second elastic swing rod component, the free end of the second elastic swing rod component is influenced by an elastic unit of the second elastic swing rod component and rotates in the direction of the linear moving block all the time, and the free end of the first elastic swing rod component is influenced by the elastic unit of the first elastic swing rod component and rotates in the direction of the buckle all the time.
5. The multi-stage mechanical-mating passive smart lock of claim 4, wherein: first elasticity pendulum rod subassembly includes first pendulum rod and the first elasticity piece that resets, first pendulum rod rotates to be connected on the installation frame, the cross-section of first pendulum rod is the setting of C type column structure, first spacing groove shaping in the free end of first pendulum rod, the notch border of first spacing groove is past the direction of second elasticity pendulum rod subassembly is extended and can the joint be in the second spacing inslot, the both ends of the first elasticity piece that resets respectively with the free end of first pendulum rod with the inner wall fixed connection of installation frame.
6. The multi-stage mechanical matching type passive intelligent lock according to claim 4, wherein the second elastic swing rod assembly comprises a second swing rod and a second elastic resetting piece, the second swing rod is rotatably connected to the installation frame, the cross 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 portion, close to the first elastic swing rod assembly, of the second swing rod, and two ends of the second elastic resetting piece are fixedly connected with the free end of the second swing rod and the inner wall of the installation frame respectively.
7. The multi-stage mechanical-mating passive smart lock of claim 4, wherein: multistage mechanical cooperation formula passive intelligence lock still includes the guide holder, the guide holder is fixed to be set up just be located in the installation frame one side of second elasticity pendulum rod subassembly, be provided with the opening orientation on the guide holder the groove of unblanking 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 is rotated and is connected in the installation die cavity, the installation die cavity is through a connecting hole and the groove intercommunication of unblanking, linear movable block sliding connection be in the groove of unblanking, spacing movable frame's tip with connecting hole sliding connection, linear movable block with be provided with the piece that resets between the inner wall in unblanking groove.
8. The multi-stage mechanical-mating passive smart lock of claim 4, wherein: the mounting structure is characterized in that a driving circuit system is arranged in the mounting cavity and 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 provide weak points to flow onto the reverse power supply module, and the output end of the reverse power supply module is in electric driving connection with the servo motor.
9. The multi-stage mechanically-mated passive smart lock of claim 8, wherein: and the communication identification module provides weak current to the reverse power supply module through an NFC transmission communication protocol.
10. The multi-stage mechanically-mated passive smart lock of claim 8, 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 a 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 CN114776145B (en) | 2024-05-07 |
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| CN114776145B (en) | 2024-05-07 |
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