CN219548646U

CN219548646U - Lock unlocking mechanism

Info

Publication number: CN219548646U
Application number: CN202223524406.9U
Authority: CN
Inventors: 唐华成
Original assignee: Changyuan Contron Power Security Technology Co Ltd
Current assignee: Changyuan Contron Power Security Technology Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-08-18
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a lockset unlocking mechanism which comprises an unlocking rod, wherein the unlocking rod is sleeved with a limiting sleeve, any end part of the unlocking rod is provided with a push rod, and the push rod comprises an unlocking section and a locking section; the unlocking rod is provided with at least two limiting pieces, the bottom ends of the limiting pieces extend into the unlocking rod to be propped against the outer wall of the locking section, the top ends of the limiting pieces are propped against the inner wall of the limiting sleeve, or the bottom ends of the limiting pieces extend into the unlocking rod to be propped against the outer wall of the unlocking section, and a movable gap is formed between the top ends and the inner wall of the limiting sleeve; the end of the locking section is provided with a rotating motor, a motor shaft of the rotating motor extends into the locking end, the outer wall of the motor shaft is provided with an outwards extending adjusting rod, the motor shaft is sleeved with an adjusting spring, the adjusting rod is rotatably arranged in the pitch of the adjusting spring, the motor shaft is sleeved with a sliding piece, one end of the sliding piece is connected with the locking section, the other end of the sliding piece is provided with a first groove body, and the adjusting spring is arranged in the first groove body. The utility model can reduce the power consumption degree of the lockset and prolong the service life of the lockset.

Description

Lock unlocking mechanism

Technical Field

The utility model belongs to the technical field of lock unlocking, and particularly relates to a lock unlocking mechanism.

Background

The safety lock is a lockset which can be opened only by a proper key, and when an unauthorized or false key is inserted into the safety lock, the safety lock cannot be unlocked, so that the safety lock is widely applied to the production of various enterprises such as electric power, chemical industry, petroleum, machinery and the like, and is used for avoiding the occurrence of false unlocking.

The existing lock unlocking mechanism adopts an electromagnetic ferromagnetic attraction structure or adopts a motor rotation structure to realize the authorization of the unlocking mechanism, when the electromagnet attraction structure is used, the electromagnet in the lock unlocking mechanism or the lock core is electrified to realize the unlocking authorization of the lock unlocking mechanism and the lock core through the attraction of the electromagnet and the magnetic piece, and when the lock unlocking mechanism is used, the continuous power supply is required to maintain the magnetic attraction force of the electromagnet, so that the power consumption degree is high; when the motor rotating structure is used, the motor rotates in place, and then the motor is locked, the motor rotates to feed back a locked signal to the micro-control unit, or the time required by the motor to rotate in place is calculated, the power is cut off when the power supply time is finished through the micro-control unit, the uninterrupted power supply is required to be supplied to the motor, and the power consumption degree is high.

Disclosure of Invention

The utility model aims to provide a lock unlocking mechanism, which can reduce the power consumption degree of a lock and prolong the service life of the lock.

The technical scheme for achieving the aim comprises the following steps.

The utility model provides a lockset unlocking mechanism which comprises an unlocking rod, wherein a limiting sleeve is sleeved on the unlocking rod, a push rod is arranged at any end part of the unlocking rod, the push rod comprises an unlocking section and a locking section, and parts of the unlocking section and the locking section are arranged in the unlocking rod;

the unlocking rod is provided with at least two limiting pieces, the bottom ends of the limiting pieces extend into the unlocking rod to be propped against the outer wall of the locking section, the top ends of the limiting pieces are propped against the inner wall of the limiting sleeve, or the bottom ends of the limiting pieces extend into the unlocking rod to be propped against the outer wall of the unlocking section, and a movable gap is formed between the top ends of the limiting pieces and the inner wall of the limiting sleeve;

the end of the locking section is provided with a rotating motor, a motor shaft of the rotating motor extends into the locking end, an adjusting rod extending outwards is arranged on the outer wall of the motor shaft, an adjusting spring is sleeved on the motor shaft and is rotatably arranged in the pitch of the adjusting spring, a sliding piece is sleeved on the motor shaft in an sleeved mode, one end of the sliding piece is connected with the locking section, a first groove body is formed in the other end of the sliding piece, and the adjusting spring is arranged in the first groove body.

In some embodiments, a mounting hole is formed in the end portion of the unlocking rod, the unlocking section and a part of the locking section are arranged in the mounting hole, the push rod is in sliding fit with the mounting hole, and the distance from the peripheral wall of the unlocking section to the axis of the push rod is smaller than the distance from the peripheral wall of the locking section to the axis of the push rod.

In some embodiments, at least two accommodating holes are formed in the peripheral wall of the unlocking rod, the accommodating holes are communicated with the mounting holes, the limiting pieces are arranged in the accommodating holes and are in sliding fit with the accommodating holes, the limiting sleeves shield the accommodating holes, first limiting grooves are formed in the limiting sleeves, and the first limiting grooves are in clamping fit with the limiting pieces.

In some embodiments, the limiting piece is in sliding fit with the accommodating hole to form a first state or a second state, and the push rod is in sliding fit with the mounting hole to form a first position and a second position;

in a first state, the rotating motor rotates, the adjusting rod rotates on the pitch of the adjusting spring, the adjusting spring is driven to move towards the rotating motor on the motor shaft, the adjusting spring is propped against the sliding piece and pushes the sliding piece to move towards the rotating motor, the pushing rod is driven to move towards the rotating motor from a first position to a second position, the bottom end of the limiting piece is propped against the outer wall of the unlocking section, a movable gap is reserved between the top end of the limiting piece and the inner wall of the limiting sleeve, and an unlocking state is formed;

under the second state, the rotating motor reversely rotates, the adjusting rod reversely rotates on the pitch of the adjusting spring to drive the adjusting spring to move towards the push rod direction on the motor shaft, the adjusting spring is propped against the sliding piece and pushes the sliding piece to move towards the push rod direction, the push rod is driven to move towards the mounting hole direction to return to the first position from the second position, the bottom end of the limiting piece is propped against the outer wall of the locking section, and the top end of the limiting piece is propped against the inner wall of the limiting sleeve to form a locking state.

In some embodiments, the unlocking rod is provided with a mounting hole at one end close to the rotating motor, a limiting hole is formed at the end part of the unlocking rod, the limiting hole is communicated with the mounting hole, a limiting protruding block is formed at one end close to the unlocking rod of the sliding piece, and the limiting protruding block is in clamping fit with the limiting hole.

In some embodiments, a connecting part is arranged outside the connecting part by extending one end part of the unlocking rod close to the rotating motor to the limit sleeve, a mounting sleeve is sleeved outside the connecting part, a mounting groove is formed in the mounting sleeve, the mounting groove is communicated with the mounting hole, the sliding piece is arranged in the mounting groove and is in sliding fit with the mounting groove, the locking section stretches into the mounting groove to be connected with the sliding piece, the rotating motor is arranged at the end part, deviating from the unlocking rod, of the mounting sleeve, and a motor shaft stretches into the mounting groove to pass through the sliding piece to be connected with the push rod.

In some embodiments, the end of the installation sleeve is provided with an embedding groove, the end of the rotating motor is embedded into the embedding groove, the rotating motor is sleeved with a motor seat, the end of the motor seat is provided with two oppositely arranged fastening pieces, the outer walls of the two oppositely arranged installation sleeves are provided with fastening blocks, and the fastening blocks are in fastening fit with the fastening pieces.

In some embodiments, the mounting sleeve is provided with a connecting block, the limiting sleeve is sleeved with a shell, one end of the shell, which is close to the mounting sleeve, is provided with a connecting groove, the connecting block is embedded into the connecting groove, one end of the shell, which is away from the mounting sleeve, is provided with a first connecting hole, the first connecting hole is communicated with the connecting groove, a first limiting step is formed at the joint of the first connecting hole and the connecting groove, a limiting convex ring is formed on the peripheral wall of the limiting sleeve, and the limiting convex ring is in limiting fit with the first limiting step.

In some embodiments, two first through holes are formed in the outer wall of the mounting sleeve, the first through holes penetrate through the mounting sleeve, two second groove bodies are formed in the outer wall of the unlocking rod, a limiting stop rod is arranged in the first through holes, the limiting stop rod penetrates through the first through holes to extend into the mounting groove, and part of the limiting stop rod is embedded into the second groove body.

In some embodiments, an unlocking head is formed at one end of the unlocking rod, which is away from the rotating motor, one end of the unlocking head is propped against the limiting sleeve, a plurality of first clamping grooves are formed in the peripheral wall of the unlocking head, a plurality of second clamping grooves are formed in the peripheral wall of the limiting sleeve, corresponding to the first clamping grooves, the second clamping grooves are communicated with the first clamping grooves, a first protruding block is arranged on the outer wall of the unlocking head, and a second protruding block is arranged in the position, corresponding to the first protruding block, on the outer wall of the limiting sleeve.

According to the lock unlocking mechanism provided by the utility model, the push rod is arranged at the end part of the unlocking rod, the push plate comprises an unlocking section which is completely arranged in the unlocking rod and a locking section which is partially arranged in the unlocking rod, the unlocking rod is sleeved with a limiting sleeve, at least two limiting pieces are arranged on the unlocking rod, the bottoms of the limiting pieces extend into the unlocking rod and are pressed against the locking section or the unlocking section, the end part of the locking section is connected with a rotating motor, a motor shaft of the rotating motor is sleeved with a sliding piece and an adjusting spring, one end of the sliding piece is connected with the locking section, the other end of the sliding piece forms a first groove body, and the adjusting spring is arranged in the first groove body and is clamped into the pitch of the adjusting spring by an adjusting rod on the motor shaft of the rotating motor;

when the lock unlocking mechanism is used, the adjusting rod rotates in different pitches of the adjusting spring through rotation of the motor shaft of the rotating motor, so that the adjusting spring can displace on the motor shaft along the axial direction of the motor shaft, when the lock unlocking mechanism is inserted into the lock cylinder and is authorized successfully, the rotating motor rotates to enable the adjusting spring to displace along the axial direction of the motor shaft in a direction away from the push rod, the end part of the adjusting spring is propped against the sliding part to push the sliding part and the push rod to slide in a direction away from the unlocking rod, the bottom end of the limiting part is transferred from propping against the locking section to propping against the unlocking section, the top end of the limiting part is changed from propping against the inner wall of the limiting sleeve to have a movable gap with the inner wall of the limiting sleeve, so that the unlocking rod cannot rotate relatively to rotate relatively with the limiting sleeve, and the lock unlocking mechanism enters an unlocking state; after the lock unlocking mechanism is separated from the lock core and is not authorized any more, the rotating motor rotates to enable the adjusting spring to move in the direction close to the push rod along the axial direction of the motor shaft, the end part of the adjusting spring is propped against the sliding part and/or the locking section to push the sliding part and the push rod to slide in the direction close to the unlocking rod, the bottom end of the limiting part is enabled to be transferred from propping against the unlocking section to propping against the locking section, a movable gap between the top end of the limiting part and the inner wall of the limiting sleeve is changed into a state of propping against the inner wall of the limiting sleeve, the unlocking rod can be relatively rotated from being capable of relatively rotating with the limiting sleeve, the lock unlocking mechanism enters a locking state, the rotating motor rotates for a certain number of turns only after authorization, the lock unlocking mechanism enters the unlocking state, the operation can be stopped, the lock unlocking mechanism reversely rotates for a certain number of turns after the unlocking section is separated from the authorization, the power consumption degree of the lock can be reduced, and the service life of the lock is prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an overall exploded view of the present utility model;

fig. 4 is an exploded view of a rotary electric machine part of the present utility model;

FIG. 5 is an exploded view of the unlocking lever portion of the present utility model;

FIG. 6 is an exploded view of the unlock lever portion of the present utility model;

fig. 7 is an exploded view of the mounting sleeve portion of the present utility model.

Reference numerals illustrate:

100. unlocking the rod; 101. a mounting hole; 102. a receiving hole; 103. unlocking the lock head; 1031. a first clamping groove; 1032. a first bump; 1033. unlocking grooves; 104. a limiting hole; 105. a second tank body;

200. a push rod; 201. unlocking the section; 202. a latch section; 203. a transition step; 204. a plug hole; 205. the convex ring is clamped;

300. a rotating electric machine; 301. a motor shaft; 302. an adjusting rod; 303. a motor base; 3031. a fastening piece; 3032. a buckling groove; 3033. a clamping convex block;

400. a slider; 401. a first tank body; 402. a second connection hole; 4021. a second limit step; 403. a limit boss;

500. an adjusting spring; 501. a pitch;

600. a limit sleeve; 601. a second through hole; 602. a first limit groove; 603. a second clamping groove; 604. a second bump; 605. a limit convex ring;

700. a mounting sleeve; 701. a mounting groove; 702. a scarf joint groove; 7021. a bayonet; 703. a buckling block; 704. a first through hole; 705. a connecting block; 706. a limit stop lever;

800. a housing; 801. a connecting groove; 802. a first connection hole; 803. a first limit step; 804. the second limit groove;

900. and a limiting piece.

Detailed Description

In order that the utility model may be readily understood, a more particular description of specific embodiments thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As used herein, the terms "first and second …" are used merely to distinguish between names and not to represent a particular number or order unless otherwise specified or defined.

The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items, unless specifically stated or otherwise defined.

The term "fixed" or "connected" as used herein may be directly fixed or connected to an element, or indirectly fixed or connected to an element.

Referring to fig. 1 to 7, the lock unlocking mechanism provided in this embodiment includes a housing 800, a connection groove 801 is provided in the housing 800, and a first connection hole 802 for conducting the connection groove 801 is provided at one end of the housing 800, an installation sleeve 700 is provided at one end of the housing 700, the end of the installation sleeve 700 extends into the connection groove 801 and is engaged with the connection groove 801, a stop collar 600 is provided at the other end of the housing 800, and the end of the stop collar 600 close to the housing 800 is in contact with the end of the installation sleeve 700 close to the housing 800.

A first limiting step 803 is formed at the connection position between the first connecting hole 802 and the connecting groove 801, a limiting protruding edge is arranged on the outer peripheral wall of the limiting sleeve 600, and the limiting protruding edge is in limiting fit with the first limiting step 803, so that the situation that the limiting sleeve 600 is separated from the first connecting hole 802 is avoided.

The connecting block 705 extending outwards is arranged on the outer peripheral wall of the mounting sleeve 700, the end part of the shell 800, which is away from the first connecting hole 802, is provided with the second limiting groove 804 recessed towards the direction of the connecting groove 801, when the end part of the mounting sleeve 700 is mounted in the connecting groove 801, the connecting block 705 is embedded in the second limiting groove 804, so that the connection stability of the mounting sleeve 700 and the shell 800 is further improved, the stroke of the mounting sleeve 700 mounted in the connecting groove 801 is limited, the positioning effect is achieved, and the mounting convenience is improved.

During installation, the end of the stop collar 600 without the stop collar 605 is first installed into the connecting groove 801 from the position of the second stop groove 804, and then passes through the first connecting hole 802 to extend out of the housing 800, and then the end with the stop collar 605 is clamped in the housing 800, and then installed into the installation sleeve 700.

The second through hole 601 penetrating through the stop collar 600 is formed in the stop collar 600, the mounting groove 701 penetrating through the stop collar 700 is formed in the mounting collar 700, the second through hole 601 is communicated with the mounting groove 701, the unlocking rod 100 is arranged at the end, deviating from the mounting collar 700, of the stop collar 600, the end of the unlocking rod is inserted into the second through hole 601 and at least partially extends out of the stop collar 600, a connecting portion is formed at the portion extending out of the stop collar 600, and the connecting portion extends into the mounting groove 701 and is connected with the mounting collar 700.

The outer wall of the installation sleeve 700 is provided with a first through hole 704 which penetrates through the installation sleeve 700 from the top end of the installation sleeve 700 to conduct the installation groove 701 and penetrates through the bottom end of the installation sleeve 700, the first through hole 704 is internally provided with a limiting stop rod 706, the outer wall of the unlocking rod 100 is provided with two second groove bodies 105 which are oppositely arranged, the limiting stop rod 706 is at least partially embedded into the second groove bodies 105, the unlocking rod 100 is limited to rotate relative to the installation sleeve 700 in the installation groove 701, the connection stability of the unlocking rod 100 and the installation sleeve 700 is improved, the unlocking rod can only rotate along with the rotation of the installation sleeve 700 during unlocking, and the situation that a lock cylinder cannot be unlocked due to idling (not shown in the figure and the same below) is avoided.

The unlocking rod 100 deviates from one end of the stop collar 600 and is provided with an unlocking head 103, at least two first clamping grooves 1031 are formed in the peripheral wall of the unlocking head 103, the first clamping grooves 1031 are distributed in an annular array along the axial direction of the unlocking rod 100, a second clamping groove 603 is formed in the position, corresponding to the first clamping grooves 1031, of one end of the stop collar 600, which is close to the unlocking head 103, the first clamping grooves 1031 are used for enabling a positioning lug (not shown in the figure and the same as the following) of the lock cylinder to pass through when the unlocking head 103 is inserted into a safe lock cylinder needing unlocking, and the second clamping grooves 603 are used for being clamped with the positioning lug of the lock cylinder, so that the unlocking head 103 can rotate in the lock cylinder on the premise that the unlocking sleeve is fixed, and unlocking of the lock cylinder is achieved.

The outer wall of the unlocking head 103 is provided with a first bump 1032, a second bump 604 is arranged at a position, corresponding to the first bump 1032, on one end of the unlocking head 103, of the limiting sleeve 600, and similarly, when the unlocking head 103 is inserted into a lock cylinder of a security lock to be unlocked, the first bump 1032 passes through a clamping groove (not shown in the figure, the same applies below) in the lock cylinder, and the second bump 604 is used for being clamped with the clamping groove in the lock cylinder, so that the unlocking head 103 can rotate in the lock cylinder under the premise that the unlocking sleeve is fixed, and unlocking of the lock cylinder is realized.

At least two unlocking grooves 1033 are arranged on the peripheral wall of the unlocking head 103, and the unlocking grooves 1033 are used for being clamped and fixed with pins (not shown in the figure, the same as below) in the lock core when the unlocking head 103 is inserted into the lock core of the safety lock to be unlocked, so that unlocking of the lock core is realized.

The unlocking rod 100 is provided with a mounting hole 101 at one end opposite to the unlocking head 103, a slidable push rod 200 is arranged in the mounting hole 101, the push rod 200 comprises an unlocking section 201 which is completely contained in the mounting hole 101 and a locking section 202 which is partially extended out of the mounting hole 101, the locking section 202 is provided with a plug hole 204, the locking section 202 is also provided with a rotating motor 300 which is arranged at one end opposite to the limiting sleeve 600, a motor shaft 301 of the rotating motor 300 extends into the mounting groove 701 and is inserted into the plug hole 204, and the push rod 200 can slide in the axial direction of the motor shaft 301.

The unlocking rod 100 is provided with at least two containing holes 102 on the peripheral wall, a limiting piece 900 is arranged in the containing holes 102, the bottom end of the limiting piece 900 stretches into the unlocking rod 100 to be propped against the outer wall of the locking section 202, the top end of the limiting piece 900 stretches into the unlocking rod 100 to be propped against the inner wall of the limiting sleeve 600, or the bottom end of the limiting piece 900 stretches into the unlocking rod 100 to be propped against the outer wall of the unlocking section 201, and a movable gap is reserved between the top end and the inner wall of the limiting sleeve 600.

In this embodiment, preferably, three accommodating holes 102 are provided, the accommodating holes 102 are communicated with the mounting hole 101, a plurality of first limiting grooves 602 corresponding to the accommodating holes 102 are provided on the inner wall of the second through hole 601 of the limiting sleeve 600, when the limiting sleeve 600 is sleeved on the unlocking lever 100, the limiting sleeve 600 shields the accommodating holes 102, and the first limiting grooves 602 are located above the accommodating holes 102.

The outer wall of the motor shaft 301 is provided with an outwardly extending adjusting rod 302, two oppositely arranged adjusting rods 302 are preferably arranged in this embodiment, an adjusting spring 500 and a sliding piece 400 are sleeved on the motor shaft 301, a second connecting hole 402 is formed in one end of the sliding piece 400, which is close to the push rod 200, a first groove body 401 is formed in the other end of the sliding piece 400, the second connecting hole 402 is communicated with the first groove body 401, a second limiting step 4021 for communicating the second connecting hole 402 is formed in the groove wall provided with the second connecting hole 402, a clamping convex ring 205 is formed in the peripheral wall of the end part of the locking section 202 of the push rod 200, and the clamping convex ring 205 is matched with the second limiting step 4021 in a clamping mode.

The sliding piece 400 is provided with a limit bump at one end of the push rod 200, the end of the locking section 202 is provided with a limit hole 104, the limit hole 104 is communicated with the mounting hole 101, and the limit bump is in limit fit with the limit hole 104 so as to limit the displacement travel range of the sliding piece in the mounting groove 701, and damage caused by collision of the unlocking section 201 of the push rod 200 with the wall of the mounting hole 101 can be avoided.

The adjusting spring 500 is disposed in the first groove 401, and the adjusting rod 302 is disposed in the pitch 501 of the adjusting spring 500, so that the adjusting spring 500 can be rotated by the motor shaft 301 of the rotating motor 300, and the adjusting rod 302 can be switched to different pitches 501 along with the rotation, so that the adjusting spring 500 can be reciprocally displaced in the axial direction of the motor shaft 301.

The limiting piece 900 is in sliding fit with the accommodating hole 102 to form a first state or a second state, and the push rod 200 is in sliding fit with the mounting hole 101 to form a first position and a second position;

in the first state, the rotating motor 300 rotates, the adjusting rod 302 rotates on the pitch 501 of the adjusting spring 500, drives the adjusting spring 500 to displace toward the rotating motor 300 on the motor shaft 301, presses against the sliding piece 400 and pushes the sliding piece 400 to displace toward the rotating motor 300, drives the push rod 200 to displace toward the rotating motor 300 from the first position to the second position, and the bottom end of the limiting piece 900 presses against the outer wall of the unlocking section 201, and the top end of the limiting piece has a movable gap with the inner wall of the limiting sleeve 600, so as to form an unlocking state;

in the second state, the rotating motor 300 rotates reversely, the adjusting rod 302 rotates reversely on the pitch 501 of the adjusting spring 500, so as to drive the adjusting spring 500 to displace toward the push rod 200 on the motor shaft 301, press against the sliding member 400 and push the sliding member 400 to displace toward the push rod 200, drive the push rod 200 to return to the first position from the second position toward the mounting hole 101, press the bottom end of the limiting member 900 against the outer wall of the locking section 202, and press the top end against the inner wall of the limiting sleeve 600, thereby forming a locking state.

A transition step 203 is formed between the unlocking section 201 and the locking section 202, and the limiting member 900 in this embodiment is a limiting steel ball, where the transition step 203 can improve the smoothness of transition of the limiting member 900 on the unlocking section 201 and the locking section 202.

The scarf joint groove 702 has been seted up to the one end that installation cover 700 deviates from casing 800, scarf joint groove 702 switches on the installation groove 701, the tip embedding of rotating electrical machines 300 is in the scarf joint groove 702, the joint is fixed on the installation cover 700, and the overcoat has motor cabinet 303 on the rotating electrical machines 300, the tip of motor cabinet 303 is equipped with two relative clamping lug 3033 that set up the bayonet socket 7021 that sets up two relative is seted up to the tip of installation cover 700, clamping lug 3033 with bayonet socket 7021 joint cooperation improves rotating electrical machines 300 with the connection stability of installation cover 700.

Two oppositely arranged fastening members 3031 are arranged at one end of the motor base 303 close to the mounting sleeve 700, fastening blocks 703 are arranged on two oppositely arranged outer walls of the mounting sleeve 700, and the fastening blocks 703 are fastened into fastening grooves 3032 of the fastening members 3031 to realize connection and fixation of the motor base 303 and the mounting sleeve 700.

A code reading unit (not shown) is disposed on the mounting sleeve 700 or in the housing 800, and the code reading unit is configured to cooperate with a code chip (not shown) on the lock cylinder to realize the authorization of the lock unlocking mechanism and the lock cylinder provided by the present embodiment.

When the lock unlocking mechanism provided by the embodiment is used, the adjusting rod 302 is rotated in different pitches 501 of the adjusting spring 500 through the rotation of the motor shaft 301 of the rotating motor 300, so that the adjusting spring 500 can displace on the motor shaft 301 along the axial direction of the motor shaft 301, after the lock unlocking mechanism is inserted into the lock cylinder and is authorized successfully, the rotating motor 300 rotates, so that the adjusting spring 500 displaces along the axial direction of the motor shaft 301 in a direction away from the push rod 200, the end part of the adjusting spring 500 is abutted against the sliding part 400, the sliding part 400 and the push rod 200 are pushed to slide in a direction away from the unlocking rod 100, the bottom end of the limiting part 900 is transferred from abutting against the locking section 202 to abutting against the unlocking section 201, the top end of the limiting part 900 is changed from abutting against the inner wall of the limiting sleeve 600 to having a movable gap with the inner wall of the limiting sleeve 600, so that the unlocking rod 100 cannot rotate relatively to be relatively rotatable with the limiting sleeve 600, and the lock unlocking mechanism enters an unlocking state; when the lock unlocking mechanism is separated from the lock core and is not authorized any more, the rotating motor 300 rotates to enable the adjusting spring 500 to move along the axial direction of the motor shaft 301 towards the direction close to the push rod 200, the end part of the adjusting spring 500 is propped against the sliding piece 400 and/or the locking section 202 to push the sliding piece 400 and the push rod 200 to slide towards the direction close to the unlocking rod 100, the bottom end of the limiting piece 900 is transferred from propping against the unlocking section 201 to propping against the locking section 202, the top end of the limiting piece 900 is changed from a movable gap between the top end and the inner wall of the limiting sleeve 600 to be propped against the inner wall of the limiting sleeve 600, the unlocking rod 100 can be relatively rotated from being capable of relatively rotating with the limiting sleeve 600 to be incapable of relatively rotating, the lock unlocking mechanism enters a locking state, the rotating motor 300 only rotates a certain number of turns after authorization to enable the lock unlocking mechanism to enter the unlocking state to stop operation, reverse rotation a certain number of turns after the unlocking of the locking mechanism is separated from the authorization to enable the locking mechanism to enter the locking state to stop operation, the power consumption degree of the lock can be reduced, and the service life of the lock is prolonged.

The above examples are also not an exhaustive list based on the utility model, and there may be a number of other embodiments not listed. Any substitutions and modifications made without departing from the spirit of the utility model are within the scope of the utility model.

Claims

1. The lock unlocking mechanism is characterized by comprising an unlocking rod, wherein a limit sleeve is sleeved on the unlocking rod, a push rod is arranged at any end part of the unlocking rod, the push rod comprises an unlocking section and a locking section, and parts of the unlocking section and the locking section are arranged in the unlocking rod;

2. The lock unlocking mechanism according to claim 1, wherein a mounting hole is provided at an end portion of the unlocking lever, portions of the unlocking section and the locking section are provided in the mounting hole, the push rod is slidably fitted with the mounting hole, and a distance from an outer peripheral wall of the unlocking section to an axis of the push rod is smaller than a distance from an outer peripheral wall of the locking section to the axis of the push rod.

3. The lock unlocking mechanism according to claim 2, wherein at least two containing holes are formed in the peripheral wall of the unlocking rod, the containing holes are communicated with the mounting holes, the limiting pieces are arranged in the containing holes and are in sliding fit with the containing holes, the limiting sleeve shields the containing holes, a first limiting groove is formed in the limiting sleeve, and the first limiting groove is in clamping fit with the limiting pieces.

4. The lock unlocking mechanism according to claim 3, wherein the limiting member is in sliding fit with the accommodating hole to form a first state or a second state, and the push rod is in sliding fit with the mounting hole to form a first position and a second position;

5. The lock unlocking mechanism according to any one of claims 2 to 4, wherein the mounting hole is formed at an end of the unlocking lever close to the rotating motor, a limit hole is formed at an end of the unlocking lever, the limit hole is communicated with the mounting hole, a limit projection is formed at an end of the sliding member close to the unlocking lever, and the limit projection is in clamping fit with the limit hole.

6. The lock unlocking mechanism according to any one of claims 2 to 4, wherein a connecting portion is formed outside the lock release lever extending from one end portion of the rotating electric machine to the stop collar, a mounting collar is externally sleeved on the connecting portion, a mounting groove is formed in the mounting collar, the mounting groove is communicated with the mounting hole, the sliding member is arranged in the mounting groove, the sliding member is in sliding fit with the mounting groove, the locking section extends into the mounting groove to be connected with the sliding member, the rotating electric machine is arranged at the end portion, away from the lock release lever, of the mounting collar, and a motor shaft extends into the mounting groove to pass through the sliding member to be connected with the push rod.

7. The lock unlocking mechanism according to claim 6, wherein an embedding groove is formed in the end portion of the mounting sleeve, the end portion of the rotating motor is embedded in the embedding groove, a motor base is sleeved on the rotating motor, two oppositely arranged buckling pieces are arranged on the end portion of the motor base, buckling blocks are arranged on the outer walls of the two oppositely arranged mounting sleeve, and the buckling blocks are in buckling fit with the buckling pieces.

8. The lock unlocking mechanism according to claim 7, wherein a connecting block is arranged on the mounting sleeve, a shell is sleeved on the limiting sleeve, a connecting groove is formed in one end, close to the mounting sleeve, of the shell, the connecting block is embedded into the connecting groove, a first connecting hole is formed in one end, away from the mounting sleeve, of the shell, the first connecting hole conducts the connecting groove, a first limiting step is formed at the joint of the first connecting hole and the connecting groove, a limiting convex ring is formed on the peripheral wall of the limiting sleeve, and the limiting convex ring is in limiting fit with the first limiting step.

9. The lock unlocking mechanism according to claim 6, wherein two first through holes are formed in the outer wall of the mounting sleeve, the first through holes penetrate through the mounting sleeve, two second groove bodies are formed in the outer wall of the unlocking rod, a limiting stop rod is arranged in the first through holes, the limiting stop rod penetrates through the first through holes to extend into the mounting groove, and part of the limiting stop rod is embedded into the second groove body.

10. The lock unlocking mechanism according to any one of claims 1 to 4, wherein an unlocking head is formed at one end of the unlocking rod, which is away from the rotating motor, one end of the unlocking head, which is propped against the limiting sleeve, is provided with a plurality of first clamping grooves on the outer peripheral wall of the unlocking head, a plurality of second clamping grooves are formed on the outer peripheral wall of the limiting sleeve at positions corresponding to the first clamping grooves, the second clamping grooves are communicated with the first clamping grooves, a first protruding block is arranged on the outer wall of the unlocking head, and a second protruding block is arranged on the outer wall of the limiting sleeve at positions corresponding to the first protruding block.