CN216110159U - Unlocking mechanism and unlocking key - Google Patents

Abstract

The utility model provides an unlocking mechanism and an unlocking key. Wherein the unlocking mechanism comprises a shell; unlocking the sheet assembly; a screw; the locking plate driving part can drive the screw rod to rotate so as to drive the unlocking plate component to move between the working position and the withdrawing position; a magnetic assembly having an authorized magnetic member; the authorization assembly comprises an authorization motor and an authorization shifting rod, the authorization shifting rod is in driving connection with the authorization motor, the authorization shifting rod is arranged in the shell in a swinging mode and is in intermittent fit with the magnetic assembly, when the unlocking sheet assembly is located at the working position, the magnetic assembly is located in the swinging range of the authorization shifting rod, the authorization shifting rod shifts the authorization magnetic assembly to move between the authorization position and the unauthorized position, when the unlocking sheet assembly is located at the withdrawing position, the magnetic assembly is located outside the swinging range of the authorization shifting rod, and the authorization assembly cannot drive the authorization magnetic assembly to move. The utility model solves the problem of poor security of the authorization mechanism of the computer key in the prior art.

Description

Unlocking mechanism and unlocking key

Technical Field

The utility model relates to the technical field of unlocking devices, in particular to an unlocking mechanism and an unlocking key.

Background

In the field of anti-error safety, computer keys have irreplaceable status. The error-proof computer key is developed to date, and the functions and types of the error-proof computer key are diversified. The computer key is directly related to the unlocking process of the lock and is an unlocking mechanism, and in the field of anti-error safety, the unlocking mechanism is mainly characterized by an authorization mechanism.

The existing computer key authorization mechanism mainly uses direct drive of magnetic force, solenoid and the like, and a driving element is directly and continuously contacted with a driven element in a direct drive mode, so that the anti-theft property is low and the mechanism is easy to break. If the drive element has misoperation or external interference, the unlocking mechanism is easy to have the problem of wrong authorization.

An authorization mechanism integrating automatic extension of blades and indirect authorization of a solenoid and a computer key thereof exist. The key sheet is driven to automatically stretch and retract through the motor screw, and when the key sheet is in a working state, the key sheet is popped to a working position and the authorization mechanism is connected; when the key is not in working state, the key sheet retracts to the inside of the key, and the authorization mechanism is disconnected. After the computer key is inserted into the corresponding lock, authorization is passed, the solenoid drives the authorization mechanism to move to an authorization position, the corresponding lock can be unlocked, authorization is not passed, and the authorization mechanism does not move. Although the indirect authorization mechanism has certain safety and can effectively avoid illegal unlocking of a computer key, impact authorization is easy to occur due to the electromagnetic characteristics of power-on adsorption and power-off return of the solenoid, so that certain safety risk still exists.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an unlocking mechanism and an unlocking key, and aims to solve the problem that the security of an authorization mechanism of a computer key in the prior art is poor.

In order to achieve the above object, according to one aspect of the present invention, there is provided an unlocking mechanism including a housing; the unlocking sheet assembly is telescopically arranged on the shell and is provided with a working position extending out of the shell and a retracting position retracting back into the shell; the screw is in threaded transmission fit with the unlocking sheet assembly and can drive the unlocking sheet assembly to move between a working position and a withdrawing position; the locking plate driving part is in driving connection with the screw rod and can drive the screw rod to rotate so as to drive the unlocking plate component to move between the working position and the withdrawing position; the magnetic assembly is movably arranged in the unlocking sheet assembly and is provided with an authorized magnetic part matched with the lock cylinder, and the authorized magnetic part can move between an authorized position for unlocking the lock cylinder and an unauthorized position for not unlocking the lock cylinder; the authorization assembly comprises an authorization motor and an authorization shifting rod, the authorization shifting rod is in driving connection with the authorization motor, the authorization shifting rod is arranged in the shell in a swinging mode and is in intermittent fit with the magnetic assembly, when the unlocking sheet assembly is located at the working position, the magnetic assembly is located in the swinging range of the authorization shifting rod, the authorization motor drives the authorization shifting rod to swing, the authorization shifting rod shifts the authorization magnetic piece to move between an authorization position and an unauthorized position, when the unlocking sheet assembly is located at the withdrawing position, the magnetic assembly is located outside the swinging range of the authorization shifting rod, and the authorization assembly cannot drive the authorization magnetic piece to move.

Furthermore, the authorization assembly further comprises an authorization screw rod, the authorization screw rod is in driving connection with the authorization motor and is provided with a screw tooth, the authorization deflector rod is provided with an engaging tooth, the screw tooth is in meshing fit with the engaging tooth, and the authorization motor drives the authorization deflector rod to swing through the authorization screw rod.

Furthermore, authorize the subassembly still includes the installing support, and installing support fixed mounting is in the casing, and the installing support has the installation cavity, and at least part and the authorization screw rod of authorizing the motor hold in the installation cavity, and the lateral wall of installation cavity is seted up jaggedly, and the meshing tooth of authorizing the driving lever stretches into to the breach in to with the thread meshing, the installing support still has the side ear, and the pivot is worn to establish on side ear and the authorization driving lever, in order to will authorize the driving lever swingably to connect on the installing support.

Further, the central axis of the meshing teeth of the authorization lever coincides with the axis of rotation of the authorization lever.

Furthermore, one end of the authorization shifting lever, which is far away from the authorization motor, is provided with a swinging column, the axis of the swinging column is parallel to the rotation axis of the authorization shifting lever, and when the authorization shifting lever swings, the swinging column extrudes the shifting magnetic assembly to move to an authorization position.

Further, the unlocking mechanism further comprises: the device comprises an authorization detection piece, a swinging column and a detection device, wherein the swinging column is provided with a detection hole, and the authorization detection piece is arranged in the detection hole and swings along with the swinging column; the authorized sensing piece is arranged in the shell and can sense the position of the authorized detection piece so as to judge the authorized state of the authorized component.

Further, the magnetic assembly further comprises: at least one part of the push rod is movably arranged in the accommodating hole of the unlocking sheet assembly and is connected with the authorized magnetic part, and the authorized shift rod drives the authorized magnetic part to move by extruding the push rod; reset the piece, reset the piece and push rod or authorize magnetic part butt to for the push rod provides the reset force that drives and authorize magnetic part and move to unauthorized position.

Furthermore, the push rod comprises an installation part and a driving arm, the authorized magnetic part is installed at the installation part, at least one part of the driving arm extends out of the accommodating hole and can be in linkage fit with the authorized shifting rod, and the authorized shifting rod drives the authorized magnetic part to move by extruding the driving arm.

Furthermore, the push rod further comprises a limiting sliding groove, the unlocking mechanism further comprises a limiting pin shaft, and the limiting pin shaft penetrates through the unlocking sheet assembly and the limiting sliding groove to control the movement range of the push rod in the accommodating hole.

Further, the unlocking tab assembly comprises: the unlocking piece is provided with a containing hole, and the magnetic assembly is movably arranged in the containing hole; the sliding block is connected with the unlocking piece and slides synchronously with the unlocking piece, the sliding block is provided with a threaded hole, and the screw rod is arranged in the threaded hole in a penetrating mode and is in threaded fit with the sliding block so as to drive the sliding block and the unlocking piece to move.

Further, the unlocking mechanism further comprises: the guide rod is arranged in the through hole in a penetrating mode and slides along the length direction of the guide rod; the locking plate driving piece is in driving connection with the screw rod through the transmission assembly, and the transmission assembly is at least one of a gear set, a worm and gear set, a belt set and a chain set; the shaft sleeve is sleeved at the end part of the screw rod and is positioned in the unlocking sheet component or the transmission component so as to limit the installation position of the screw rod.

Further, the unlocking mechanism further comprises: the control switch is electrically connected with the locking plate driving piece and the authorization component, the unlocking piece component is provided with a triggering bulge, the triggering end of the control switch is positioned on the movement path of the triggering bulge, when the unlocking piece component moves to the working position or the withdrawing position, the triggering bulge triggers the triggering end, and the control switch controls the locking plate driving piece to stop acting; the lock detection piece is positioned at one end of the shell, which is close to the lock cylinder, and can detect the magnetic flux change in the rotating and unlocking process of the unlocking mechanism so as to determine the locking and unlocking states of the lock cylinder; and the coil is positioned at one end of the shell, which is close to the lock cylinder, and can supply power, acquire codes and communicate with the lock cylinder.

According to another aspect of the present invention, there is provided an unlocking key including the unlocking mechanism described above.

By applying the technical scheme of the utility model, the authorization assembly is set to be a mode of matching the authorization motor with the authorization deflector rod, compared with the traditional solenoid driving mode, the motor driving mode has more accurate and convenient control on the movement stroke, effectively avoids illegal unlocking of the unlocking blade at a non-working position, solves the problem that the impact authorization is easily caused due to the structural characteristics of the solenoid, increases the safety of the authorization mechanism, has compact integral structure and convenient control, and is beneficial to product miniaturization. The specific action process of the unlocking mechanism is as follows: when the unlocking mechanism is locked, the unlocking sheet assembly is located at the withdrawing position, the authorization assembly is unauthorized, the authorization deflector rod does not influence the magnetic assembly, no relevance exists between the unlocking mechanism and the authorization deflector rod, the magnetic assembly is kept at the unauthorized position, interference of an external action part and an internal action part is avoided, the condition that the authorization assembly fails due to misoperation of the driving part is avoided, meanwhile, the unlocking sheet assembly is enabled to be self-locked due to the fact that the locking plate driving part stops rotating, and external force cannot drive the unlocking sheet assembly to move. When the unlocking mechanism is unlocked, the locking plate driving piece drives the screw rod to rotate, the screw rod drives the unlocking piece assembly to move to the working position, the authorization shifting rod and the magnetic assembly are matched to transmit after the unlocking piece assembly moves to the working position, at the moment, the authorization motor drives the authorization shifting rod to swing, the authorization shifting rod can shift the magnetic assembly to move, the authorization magnetic assembly moves from the unauthorized position to the authorized position, and the unlocking of the authorization marble of the lock cylinder is achieved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural view of the unlocking mechanism of the present invention;

FIG. 2 shows an exploded view of the unlocking mechanism of FIG. 1;

FIG. 3 is a schematic view of the interior of the release mechanism of FIG. 1 with the housing removed;

FIG. 4 is a schematic structural view of the release mechanism of FIG. 1 with the release tab assembly in a retracted position;

FIG. 5 is a schematic structural view of the release mechanism of FIG. 1 with the release tab assembly in the operative position and the authorization assembly in an unauthorized state;

FIG. 6 is a schematic view of the release mechanism of FIG. 1 with the release tab assembly in the operative position and the authorization assembly in the authorized position;

FIG. 7 is a schematic diagram of the magnetic assembly of FIG. 5 in cooperation with an authorization assembly;

FIG. 8 is a schematic diagram of the magnetic assembly of FIG. 6 in cooperation with an authorization assembly;

FIG. 9 is a schematic diagram of the authorized shifter of the delatch mechanism of FIG. 1;

FIG. 10 shows a schematic view of the authorized screw of the unlocking mechanism of FIG. 1;

FIG. 11 is a schematic view of the mounting bracket of the delatch mechanism of FIG. 1;

FIG. 12 shows a schematic view of the release tab of the release mechanism of FIG. 1;

FIG. 13 is a schematic view of the push rod of the unlock mechanism of FIG. 1;

fig. 14 shows a schematic structural view of the slider of the unlocking mechanism in fig. 1.

Wherein the figures include the following reference numerals:

10. a housing; 20. unlocking the sheet assembly; 21. unlocking the plate; 211. an accommodation hole; 22. a slider; 221. a threaded hole; 222. mounting holes; 223. a trigger protrusion; 30. a screw; 40. a locking tab drive member; 50. a magnetic component; 51. an authorized magnetic element; 52. a push rod; 521. an installation part; 522. a drive arm; 523. a limiting chute; 53. a reset member; 60. an authorization component; 61. authorizing the motor; 62. authorizing a deflector rod; 621. meshing teeth; 622. a swing post; 623. a hinge hole; 624. a detection hole; 63. authorizing the screw; 631. screw teeth; 64. mounting a bracket; 641. a mounting cavity; 642. a lateral ear; 70. an authorization detection member; 80. a guide bar; 90. a transmission assembly; 100. a shaft sleeve; 110. a control switch; 120. a lock detection member; 130. a coil; 140. and a control component.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.

The utility model provides an unlocking mechanism and an unlocking key, aiming at solving the problem that the security of an authorization mechanism of a computer key in the prior art is poor. The unlocking key has an unlocking mechanism described below.

An unlocking mechanism as shown in fig. 1 to 8 comprises a housing 10, an unlocking plate assembly 20, a screw 30, a locking plate driving member 40, a magnetic assembly 50 and an authorizing assembly 60, wherein the unlocking plate assembly 20 is telescopically arranged on the housing 10 and has an operating position extending out of the housing 10 and a retracted position retracting into the housing 10; the screw 30 is in threaded transmission fit with the unlocking piece assembly 20 and can drive the unlocking piece assembly 20 to move between the working position and the withdrawing position; the locking piece driving part 40 is in driving connection with the screw 30 and can drive the screw 30 to rotate so as to drive the unlocking piece assembly 20 to move between the working position and the withdrawing position; the magnetic assembly 50 is movably arranged in the unlocking sheet assembly 20 and is provided with an authorized magnetic part 51 matched with the lock cylinder, and the authorized magnetic part 51 can move between an authorized position for unlocking the lock cylinder and an unauthorized position for not unlocking the lock cylinder; the authorizing assembly 60 comprises an authorizing motor 61 and an authorizing shift lever 62, the authorizing shift lever 62 is in driving connection with the authorizing motor 61, the authorizing shift lever 62 is swingably disposed in the housing 10 and is intermittently engaged with the magnetic assembly 50, when the unlocking sheet assembly 20 is located at the working position, the magnetic assembly 50 is located within a swing range of the authorizing shift lever 62, the authorizing motor 61 drives the authorizing shift lever 62 to swing, the authorizing shift lever 62 shifts the authorizing magnetic assembly 51 to move between an authorizing position and a non-authorizing position, when the unlocking sheet assembly 20 is located at the retracting position, the magnetic assembly 50 is located outside the swing range of the authorizing shift lever 62, and the authorizing assembly 60 cannot drive the authorizing magnetic assembly 51 to move.

This embodiment compares traditional solenoid driven mode through setting the subassembly 60 of authorizing to the mode of authorizing motor 61 and authorizing driving lever 62 complex, and motor drive's mode is more accurate convenient to the control of motion stroke, effectively avoids the illegal unblock of unblock blade in the inoperative position, has solved the solenoid because its structural feature, easily causes the problem of assaulting the mandate, has increased the security of authorizing mechanism to overall structure is compact, and control is convenient, is favorable to the product miniaturization. The specific action process of the unlocking mechanism is as follows: when the unlocking mechanism is locked, the unlocking sheet assembly 20 is located at the withdrawing position, the authorization assembly 60 is unauthorized, the authorization deflector rod 62 does not influence the magnetic assembly 50, the magnetic assembly 50 is not related to the authorization assembly 60, the magnetic assembly 50 is kept at the unauthorized position, interference of external and internal action parts is avoided, the condition that the authorization assembly 60 fails due to misoperation of a driving part is avoided, meanwhile, the unlocking sheet assembly 20 is self-locked due to the fact that the locking sheet driving part 40 stops rotating, and external force cannot drive the unlocking sheet assembly 20 to move. When the unlocking mechanism is unlocked, the locking plate driving piece 40 drives the screw rod 30 to rotate, the screw rod 30 drives the unlocking plate assembly 20 to move to the working position, the authorization shifting rod 62 is matched with the magnetic assembly 50 for transmission after the unlocking plate assembly 20 moves to the working position, at the moment, the authorization motor 61 drives the authorization shifting rod 62 to swing, the authorization shifting rod 62 can shift the magnetic assembly 50 to move, the authorization magnetic assembly 51 is enabled to move to the authorization position from the unauthorized position, and the unlocking of the authorization marble of the lock cylinder is achieved.

As shown in fig. 2 to 8, the authorization assembly 60 further includes an authorization screw 63, the authorization screw 63 is provided with a non-circular hole, and correspondingly, the authorization motor 61 has an output shaft with a matching shape, and the output shaft extends into the non-circular hole, so that the authorization screw 63 is in driving connection with the authorization motor 61, and the authorization motor 61 can drive the authorization screw 63 to rotate synchronously. The outer peripheral surface of the authorization screw 63 has a thread 631, and correspondingly, the end of the authorization shift lever 62 that is not engaged with the magnetic assembly 50 has an engaging tooth 621, as shown in fig. 9 and 10, the thread 631 is engaged with the engaging tooth 621, so that when the authorization motor 61 drives the authorization screw 63 to rotate, the authorization screw 63 can drive the authorization shift lever 62 to swing through the engagement between the thread 631 and the engaging tooth 621, thereby driving the magnetic assembly 50. Of course, the driving and matching manner between the authorization motor 61 and the authorization shift lever 62 is not limited to the above arrangement manner, and other structural members may be adopted to realize the driving and matching therebetween.

In this embodiment, the authorization assembly 60 further includes a mounting bracket 64, as shown in fig. 11, the mounting bracket 64 is cylindrical, the mounting bracket 64 is fixedly mounted in the housing 10, the mounting bracket 64 has a mounting cavity 641, and at least a portion of the authorization motor 61 and the authorization screw 63 are accommodated in the mounting cavity 641, so as to fix the authorization motor 61. The installation cavity 641 is kept away from the open-ended one end lateral wall that authorizes motor 61 and stretch into and is seted up the breach, and the meshing tooth 621 of authorizing driving lever 62 can stretch into to the installation cavity 641 from the breach in to be convenient for with the meshing cooperation of thread 631, realize the transmission. The mounting bracket 64 is further provided with side lugs 642 at two sides of the gap, the side lugs 642 are provided with through holes, the authorization shift lever 62 is provided with a hinge hole 623, and the rotating shaft penetrates through the through holes of the side lugs 642 and the hinge hole 623 of the authorization shift lever 62, so that the authorization shift lever 62 is connected to the mounting bracket 64 in a swinging manner.

The engagement teeth 621 of the authorization lever 62 of the present embodiment are formed in a gear-like structure, and the central axis thereof coincides with the rotation axis of the authorization lever 62, so that the authorization lever 62 is rotated around the rotation axis by the rotation of the authorization screw 63.

As shown in fig. 9, the end of the authorizing lever 62 away from the authorizing motor 61, i.e., the end away from the engaging tooth 621, has a swinging post 622, and the swinging post 622 is cylindrical and has an axis parallel to the rotation axis of the authorizing lever 62. When the authorized shifter 62 is swung, the circumferential side of the swing post 622 presses the shifter magnetic assembly 50, causing the magnetic assembly 50 to move to the authorized position.

As shown in fig. 4 to 6 and 9, the unlocking mechanism further includes an authorized detection part 70 and an authorized sensing part, the authorized detection part 70 adopts magnetic steel, a detection hole 624 is axially formed in the swing post 622, and the authorized detection part 70 is installed and accommodated in the detection hole 624, so as to swing along with the swing post 622. The authorization sensing member can be a reed switch or a hall element, and is fixedly arranged in the shell 10 and can sense the position of the authorization detecting member 70, so that the position of the authorization shift lever 62 can be judged by detecting the position of the authorization detecting member 70, the authorization state of the authorization assembly 60 can also be judged, and the state of the magnetic assembly 50 can be obtained.

As shown in fig. 1, 12 and 14, the unlocking sheet assembly 20 includes an unlocking sheet 21 and a slider 22, the unlocking sheet 21 has a receiving hole 211, the receiving hole 211 is formed along the length direction of the unlocking sheet 21, that is, the moving direction of the unlocking sheet 21, the magnetic assembly 50 is movably disposed in the receiving hole 211, and the matching relationship between the magnetic assembly and the authorized marble of the lock cylinder can be changed by changing the position, so as to unlock or lock the authorized marble; slider 22 is connected with unlocking sheet 21, and slider 22 is located unlocking sheet 21 and keeps away from the one end that stretches out casing 10, mounting hole 222 has been seted up on slider 22, the one end setting of unlocking sheet 21 is in mounting hole 222, through-hole or logical groove have all been seted up to the lateral wall of mounting hole 222 and the tip of unlocking sheet 21, wear to establish through-hole or logical inslot through the round pin axle, thereby will unlock sheet 21 and slider 22 link together, make slider 22 and the two synchronous slip of unlocking sheet 21, and slider 22 still has screw hole 221, screw rod 30 wears to establish in screw hole 221, and with the inner wall screw-thread fit of screw hole 221, thus, when screw rod 30 rotates under the drive of locking sheet driving piece 40, screw rod 30 can drive slider 22 and the motion of unlocking sheet 21 through the cooperation between with screw hole 221, the realization is separated that locking sheet 21 stretches out or retracts casing 10.

As shown in fig. 2 to 6, the unlocking mechanism of the present embodiment further includes a guide rod 80, a length direction of the guide rod 80 is the same as a moving direction of the unlocking sheet 21, the slider 22 has a through hole, the guide rod 80 is inserted into the through hole, and the slider 22 slides along the length direction of the guide rod 80. This embodiment is provided with two guide bars 80, has seted up two via holes on slider 22, and two guide bars 80 wear to establish respectively in a via hole, and setting up through guide bars 80 makes slider 22 and unlocking sheet 21 can slide according to the mode of predetermineeing, avoids screw rod 30 to drive slider 22 and unlocking sheet 21 pivoted condition to appear, guarantees the reliability of unlocking sheet subassembly 20 motion.

As shown in fig. 2, the unlocking mechanism further includes a transmission assembly 90, the locking plate driving member 40 is in driving connection with the screw 30 through the transmission assembly 90, and the transmission assembly 90 is at least one of a gear set, a worm gear set, a belt set and a chain set. In this embodiment, a gear set is adopted as the transmission assembly 90, specifically, the gear set includes a driving gear, an idler gear and a transmission gear, wherein the driving gear is in driving connection with the output shaft of the locking plate driving member 40 through a D-shaped opening and the like, the transmission gear is also in driving connection with the screw 30 through a D-shaped opening and the like, one or more idler gears are arranged between the driving gear and the transmission gear as required, and the effect that the locking plate driving member 40 drives the screw 30 to rotate is achieved through the gear set.

As shown in fig. 2, the unlocking mechanism of this embodiment further includes a shaft sleeve 100, the shaft sleeve 100 is sleeved on an end portion of the screw 30, the shaft sleeves 100 are installed at two ends of the screw 30, and the shaft sleeves 100 at the two ends are respectively accommodated in the unlocking sheet assembly 20 and the transmission assembly 90, so as to limit an installation position of the screw 30 and ensure that the installation position of the screw 30 is accurate and reliable.

As shown in fig. 2 and 13, the magnetic assembly 50 of the present embodiment further includes a push rod 52, at least a portion of the push rod 52 is movably disposed in the accommodating hole 211 of the unlocking sheet 21, one end of the push rod 52, which is close to the unlocking sheet 21 and inserted into the lock cylinder, is fixedly mounted with an authorized magnetic member 51, and the other end of the push rod 52 can extend out of the accommodating hole 211, so as to be in press fit with the authorized shift lever 62, thereby achieving an effect that the authorized shift lever 62 presses the push rod 52 to drive the authorized magnetic member 51 to move.

The plunger 52 of the present embodiment includes a mounting portion 521, a limit chute 523, and a driving arm 522 connected in sequence. Wherein, the authorized magnetic member 51 is installed at the installation part 521, thereby realizing the installation and fixation of the authorized magnetic member 51. The unlocking mechanism further comprises a limiting pin shaft which penetrates through the unlocking sheet 21 and the limiting sliding groove 523, so that the movement range of the push rod 52 in the accommodating hole 211 is controlled, and the situation that the push rod 52 is separated from the unlocking sheet 21 or moves over the position is avoided. At least a portion of the driving arm 522 extends out of the receiving hole 211, and the driving arm 522 is a portion directly engaged with the authorizing lever 62 and is in linkage engagement with the authorizing lever 62, and the authorizing lever 62 drives the authorizing magnetic member 51 to move by pressing the driving arm 522.

As shown in fig. 7 and 8, the unlocking mechanism further includes a reset member 53, the reset member 53 is a spring, and is sleeved on the push rod 52, one end of the reset member 53 abuts against the authorized magnetic member 51 or the push rod 52, and the other end abuts against the unlocking sheet 21, so as to provide a reset force for driving the authorized magnetic member 51 to move to the unauthorized position for the push rod 52, so that the magnetic assembly 50 is always kept at the unauthorized position under the condition that the magnetic assembly is not driven by the authorized assembly 60.

As shown in fig. 2, the unlocking mechanism of the present embodiment further includes a control switch 110, the control switch 110 is electrically connected to the locking plate driving member 40 and the authorization assembly 60, the side of the sliding block 22 of the unlocking plate assembly 20 has a trigger protrusion 223, the trigger end of the control switch 110 is located on the movement path of the trigger protrusion 223, the trigger protrusion 223 can cooperate with the trigger end to control the movement range of the unlocking plate assembly 20, when the unlocking plate assembly 20 moves to the working position or the retracting position, the trigger protrusion 223 triggers the trigger end, and the control switch 110 controls the locking plate driving member 40 to stop moving. One or two control switches 110 may be provided as required, one control switch 110 may control the movement of the unlocking piece assembly 20 in only one direction, or one control switch 110 may have two trigger ends at the same time, so as to control the movement of the unlocking piece assembly 20 in both directions, or two control switches 110 may be provided to control the movement of the unlocking piece assembly 20 in both directions.

Optionally, the unlocking mechanism further includes a lock detection piece 120 and a coil 130, the lock detection piece 120 is a hall element, is located at one end of the housing 10 close to the lock cylinder, and can be matched with magnetic steel in the lock cylinder in the process of rotating and unlocking the unlocking mechanism, so that the locking and unlocking states of the lock cylinder are determined by detecting the change of magnetic flux; the coil 130 is located at one end of the housing 10 close to the lock cylinder, and can perform power supply, code acquisition and communication with the lock cylinder to realize the functions of confirming the identity of the lock cylinder, supplying power to the lock cylinder and the like.

In addition, the unlocking mechanism can be further provided with a control assembly 140, and the control assembly 140 is electrically connected with electrified components such as the locking plate driving piece 40, the authorization motor 61, the control switch 110, the lock detection piece 120, the coil 130 and the like, can control the actions of the components, and coordinates the motion of the components through a control system. For example, when the unlocking mechanism is inserted into the lock cylinder, the coil 130 performs identity authentication on the lock cylinder, and after the authentication is passed, the control component 140 controls the authorization component 60 to drive the magnetic component 50 to act so as to unlock the authorized pins of the lock cylinder; upon receiving an unlock or lock command, the control assembly 140 controls the actuation of the locking tab driver 40 to effect a change in the position of the unlocking tab assembly 20, and so on.

Alternatively, the housing 10 of the present embodiment is formed by abutting a plurality of sub-components which are separately arranged, and the sub-components are fixed together by screw connection, so that the components can be conveniently installed in the housing 10. The housing 10 may form one or more semi-enclosed or fully enclosed receiving areas as desired to fit the components into the receiving areas as desired.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the problem of poor safety of an authorization mechanism of a computer key in the prior art is solved;

2. compared with the traditional solenoid driving mode, the motor driving mode is more accurate and convenient to control the movement stroke, the unlocking of the unlocking blade in the non-working position is effectively avoided, the problem that the impact authorization is easily caused due to the structural characteristics of the solenoid is solved, and the safety of an authorization mechanism is improved;

3. the whole structure is compact, the control is convenient, and the miniaturization of the product is facilitated;

4. when the device is locked, the authorization deflector rod does not influence the magnetic assembly, the magnetic assembly and the authorization deflector rod are unrelated, and the magnetic assembly is kept at an unauthorized position, so that the interference of an external action piece and an internal action piece is avoided, and the condition that the authorization assembly fails due to the misoperation of a driving piece is avoided;

5. the authorization action is reliable, and the condition that an unlocking key is unauthorized to unlock and becomes a master key is avoided;

6. the authorization state is monitored in a contact or non-contact detection mode, and the safety of the authorization assembly is improved.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. An unlocking mechanism, comprising:

a housing (10);

the unlocking sheet assembly (20) is telescopically arranged on the shell (10) and has a working position extending out of the shell (10) and a retracted position retracting into the shell (10);

the screw (30) is in threaded transmission fit with the unlocking sheet assembly (20) and can drive the unlocking sheet assembly (20) to move between the working position and the retracted position;

the locking piece driving part (40) is in driving connection with the screw rod (30) and can drive the screw rod (30) to rotate so as to drive the unlocking piece assembly (20) to move between the working position and the withdrawing position;

a magnetic assembly (50), wherein the magnetic assembly (50) is movably arranged in the unlocking sheet assembly (20) and is provided with an authorized magnetic part (51) matched with the lock cylinder, and the authorized magnetic part (51) can move between an authorized position for unlocking the lock cylinder and an unauthorized position for not unlocking the lock cylinder;

the authorization assembly (60), the authorization assembly (60) comprises an authorization motor (61) and an authorization shifting lever (62), the authorization shifting lever (62) is in driving connection with the authorization motor (61), the authorization shifting lever (62) is arranged in the shell (10) in a swinging mode and is in intermittent fit with the magnetic assembly (50), when the unlocking sheet assembly (20) is located at the working position, the magnetic assembly (50) is located in the swinging range of the authorization shifting lever (62), the authorization motor (61) drives the authorization shifting lever (62) to swing, the authorization shifting lever (62) shifts the authorization magnetic member (51) to move between the authorization position and the unauthorized position, when the unlocking sheet assembly (20) is located at the withdrawing position, the magnetic assembly (50) is located outside the swinging range of the authorization shifting lever (62), the authorizing component (60) can not drive the authorizing magnetic piece (51) to move.

2. The unlocking mechanism according to claim 1, wherein the authorization assembly (60) further comprises an authorization screw (63), the authorization screw (63) is in driving connection with the authorization motor (61) and has a thread (631), the authorization lever (62) has an engagement tooth (621), the thread (631) is in engagement with the engagement tooth (621), and the authorization motor (61) drives the authorization lever (62) to swing through the authorization screw (63).

3. The delatch mechanism of claim 2 wherein the authorization assembly (60) further includes a mounting bracket (64), the mounting bracket (64) is fixedly mounted in the housing (10), the mounting bracket (64) has a mounting cavity (641), at least a portion of the authorization motor (61) and the authorization screw (63) are received in the mounting cavity (641), a side wall of the mounting cavity (641) is provided with a notch, the engagement tooth (621) of the authorization lever (62) extends into the notch and engages with the thread (631), the mounting bracket (64) further has a side lug (642), and a rotating shaft is disposed through the side lug (642) and the authorization lever (62) to swingably connect the authorization lever (62) to the mounting bracket (64).

4. The unlocking mechanism according to claim 2, characterized in that the central axis of the engagement tooth (621) of the authorization lever (62) coincides with the axis of rotation of the authorization lever (62).

5. The delatch mechanism of claim 2 wherein the end of the authorized lever (62) remote from the authorized motor (61) has a swing post (622) and the axis of the swing post (622) is parallel to the axis of rotation of the authorized lever (62), the swing post (622) squeezing the toggle magnetic assembly (50) to move to the authorized position when the authorized lever (62) swings.

6. The unlock mechanism of claim 5, further comprising:

the authorization detection piece (70), the swing column (622) is provided with a detection hole (624), and the authorization detection piece (70) is arranged in the detection hole (624) and swings along with the swing column (622);

an authorization sensing member disposed within the housing (10) and capable of sensing the position of the authorization detection member (70) to determine an authorization status of the authorization assembly (60).

7. The unlocking mechanism according to claim 1, wherein the magnetic assembly (50) further comprises:

the push rod (52), at least one part of the push rod (52) is movably arranged in the containing hole (211) of the unlocking sheet assembly (20) and is connected with the authorized magnetic piece (51), and the authorized shift rod (62) drives the authorized magnetic piece (51) to move by pressing the push rod (52);

the resetting piece (53) is abutted to the push rod (52) or the authorized magnetic piece (51), and provides resetting force for driving the authorized magnetic piece (51) to move to the unauthorized position for the push rod (52).

8. The delatch mechanism of claim 7 wherein the pushrod (52) includes a mounting portion (521) and an actuating arm (522), the authorized magnetic member (51) being mounted to the mounting portion (521), at least a portion of the actuating arm (522) extending through the receiving hole (211) and being capable of cooperating with the authorized lever (62), the authorized lever (62) being configured to move the authorized magnetic member (51) by squeezing the actuating arm (522).

9. The unlocking mechanism according to claim 7, wherein the push rod (52) further comprises a limit sliding groove (523), and the unlocking mechanism further comprises a limit pin shaft, and the limit pin shaft is arranged in the unlocking plate assembly (20) and the limit sliding groove (523) in a penetrating mode to control the movement range of the push rod (52) in the accommodating hole (211).

10. The unlocking mechanism according to claim 1, wherein the unlocking plate assembly (20) comprises:

the unlocking piece (21), the unlocking piece (21) is provided with a containing hole (211), and the magnetic assembly (50) is movably arranged in the containing hole (211);

slider (22), slider (22) with separate locking plate (21) and connect, and with separate locking plate (21) synchronous slip, slider (22) have screw hole (221), screw rod (30) are worn to establish in screw hole (221), and with slider (22) screw-thread fit, in order to drive slider (22) with separate locking plate (21) motion.

11. The unlock mechanism of claim 10, further comprising:

the guide rod (80), the slide block (22) has a via hole, the guide rod (80) is arranged in the via hole in a penetrating mode and slides along the length direction of the guide rod (80);

the locking plate driving piece (40) is in driving connection with the screw rod (30) through the transmission assembly (90), and the transmission assembly (90) is at least one of a gear set, a worm and gear set, a belt set and a chain set;

the shaft sleeve (100) is sleeved at the end part of the screw rod (30) and is positioned in the unlocking plate component (20) or the transmission component (90) to limit the installation position of the screw rod (30).

12. The unlock mechanism of claim 1, further comprising:

a control switch (110), wherein the control switch (110) is electrically connected with the lock plate driving member (40) and the authorization assembly (60), the unlocking plate assembly (20) is provided with a trigger protrusion (223), a trigger end of the control switch (110) is positioned on a movement path of the trigger protrusion (223), when the unlocking plate assembly (20) moves to the working position or the withdrawing position, the trigger protrusion (223) triggers the trigger end, and the control switch (110) controls the lock plate driving member (40) to stop acting;

the lock detection piece (120) is positioned at one end, close to the lock cylinder, of the shell (10), and can detect magnetic flux change in the rotating and unlocking process of the unlocking mechanism so as to determine the locking and unlocking states of the lock cylinder;

the coil (130) is positioned at one end, close to the lock cylinder, of the shell (10), and can supply power, adopt codes and communicate with the lock cylinder.

13. An unlocking key characterized by comprising the unlocking mechanism of any one of claims 1 to 12.

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