CN215485278U

CN215485278U - Main spring bolt mechanism of lock and lock

Info

Publication number: CN215485278U
Application number: CN202120716862.XU
Authority: CN
Inventors: 肖钧
Original assignee: Laeveo Smart Technology Co ltd
Current assignee: Laeveo Smart Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2022-01-11
Anticipated expiration: 2031-04-08

Abstract

The application discloses main spring bolt mechanism and tool to lock of tool to lock, wherein, main spring bolt mechanism includes: the main bolt comprises a bolt part and a positioning part; a first bidirectional detection switch installed in the lock case and having a rotatable pressure receiving portion; the shifting block is rotatably installed on the lock shell and provided with a first transmission part, a first trigger part and a second trigger part, the first transmission part is used for being matched with the positioning part, the first trigger part and the second trigger part are used for being matched with the first bidirectional detection switch respectively, after the lock shell is worn out by the lock tongue part, the first trigger part presses the compression part of the first bidirectional detection switch, and after the lock tongue part retracts into the lock shell, the second trigger part presses the compression part of the first bidirectional detection switch. This application can be in two directions pressure portion through two trigger part and first bilateral detection switch's cooperation to can judge the position of shifting block, for current structure, can save a sensor.

Description

Main spring bolt mechanism of lock and lock

Technical Field

The utility model relates to the field of electric locks, in particular to a main spring bolt mechanism of a lockset and the lockset.

Background

Current tool to lock is mostly electric lockset, can carry out the operation of unblanking through multiple verification mode, for example password, fingerprint, radio frequency card or facial discernment etc.. The tool to lock includes the main spring bolt, drive the driving medium that the main spring bolt stretches out or retracts, drive driving medium pivoted motor element and controller, in order to be the state that the main spring bolt can be confirmed to the controller, current tool to lock can set up a sensor respectively in two places, normally stretch out the back when the main spring bolt, the main spring bolt triggers first sensor, after the complete retraction of main spring bolt, the main spring bolt triggers second sensor, this kind sets up the form and leads to the sensor to arrange a large amount.

SUMMERY OF THE UTILITY MODEL

The utility model provides a main bolt mechanism of a lockset and the lockset aiming at the problems.

The technical scheme adopted by the utility model is as follows:

a main bolt mechanism of a lock, the lock comprising a lock housing, the main bolt mechanism comprising:

the main bolt is arranged on the lock shell in a sliding mode and comprises a bolt locking part and a positioning part;

the first bidirectional detection switch is arranged in the lock shell and is in signal connection with a controller of the lock, and the first bidirectional detection switch is provided with a pressure receiving part capable of rotating;

the shifting block is rotatably installed on the lock shell, the shifting block is provided with a first transmission part, a first trigger part and a second trigger part, the first transmission part is used for being matched with the positioning part, when the shifting block rotates, the first transmission part can drive the main spring bolt to slide, so that the spring bolt part penetrates out of the lock shell or retracts into the lock shell, the first trigger part and the second trigger part are respectively matched with the first bidirectional detection switch, after the spring bolt part penetrates out of the lock shell, the first trigger part presses the pressed part of the first bidirectional detection switch, and after the spring bolt part retracts into the lock shell, the second trigger part presses the pressed part of the first bidirectional detection switch, and the first trigger part and the second trigger part press the pressed part to rotate in different directions.

The bidirectional detection switch is an existing detection switch, and different detection signals can be generated when the pressed part rotates in different directions, so that the rotation direction and the position of the shifting block can be judged, and a loose ESE24 type sensor can be adopted during actual application.

The main spring bolt mechanism of this application is provided with first trigger part and second trigger part on the shifting block, through the cooperation of two trigger parts and first bilateral detection switch, can be in two directions pressure-operated portion to can judge the position of shifting block, judge the position of lock tongue portion promptly, for current structure, can save a sensor.

In one embodiment of the present invention, the pressed portion is located between the first triggering portion and the second triggering portion.

In one embodiment of the present invention, the shifting block includes a cylindrical main body, and the first transmission portion, the first triggering portion and the second triggering portion are all connected to a sidewall of the cylindrical main body.

The application also discloses a tool to lock, including the lock shell, still including installing latch bolt mechanism, main spring bolt mechanism and the actuating mechanism on the lock shell, main spring bolt mechanism be the above main spring bolt mechanism.

In one embodiment of the present invention, the latch mechanism includes:

the bidirectional spring bolt assembly is arranged on the lock shell in a sliding mode and comprises a bidirectional spring bolt block and a bidirectional spring bolt which is rotatably arranged on the bidirectional spring bolt block;

the first elastic reset piece is arranged on the lock shell and is used for being matched with the bidirectional spring bolt assembly so that the bidirectional spring bolt of the bidirectional spring bolt assembly penetrates out of the lock shell;

the locking piece is rotatably arranged on the lock shell and provided with a first matching part, a second matching part and a third matching part, the locking piece is provided with a locking working position and an unlocking working position, when the locking piece is positioned at the locking working position, the first matching part is used for being abutted to the bidirectional tongue piece to limit the bidirectional spring bolt assembly to move towards the inner side of the lock shell, when the locking piece is positioned at the unlocking working position, the first matching part does not limit the bidirectional tongue piece any more, the bidirectional spring bolt assembly can move towards the inner side of the lock shell, and the locking piece can reset to the locking working position when external force is not applied;

the first unlocking plate is movably arranged on the lock shell and is used for being matched with the second matching part of the locking piece, and when the first unlocking plate is stressed to move, the locking piece can be driven to rotate and switch to an unlocking working position;

the inclined tongue component is arranged on the lock shell in a sliding mode and comprises an inclined tongue plate and an inclined spring bolt rotatably arranged on the inclined tongue plate, the inclined tongue plate is provided with a pressing part, and the pressing part is matched with the third matching part of the locking piece;

and the second elastic reset piece is arranged on the lock shell and is used for being matched with the latch bolt assembly to enable the latch bolt of the latch bolt assembly to penetrate out of the lock shell, and when the latch bolt penetrates out of the lock shell, the pressing part presses the third matching part to enable the locking piece to be kept at an unlocking working position.

The operating principle of the latch mechanism is as follows: when the door is closed, the latch bolt assembly is pressed into the lock shell, the pressing part of the latch bolt assembly cannot press the third matching part at the moment, namely the locking piece is positioned at a locking working position, the first matching part can be abutted with the bidirectional latch bolt block to limit the bidirectional latch bolt assembly to move towards the inner side of the lock shell, namely the bidirectional latch bolt is locked and cannot retract into the lock shell; under the state of closing the door, when first unlocking board was driven the activity, through the cooperation of first unlocking board with second cooperation portion this moment, can drive the locking piece and rotate to unblock work position, two-way spring bolt piece is no longer injectd to first cooperation portion promptly, and two-way spring bolt subassembly can be to the inboard removal of lock shell. The utility model provides an oblique tongue mechanism, even if under the state of opening the door, the mistake is pressed oblique tongue subassembly (is made oblique spring bolt withdrawal lock shell), and after the release, the oblique tongue subassembly can reset under the effect that the second elasticity resets, through the cooperation of pressing portion and third cooperation portion, makes the locking piece rotate to unblock work position, and this kind of cooperation form has improved stability greatly, is not afraid of the maloperation. The latch bolt mechanism is simple in locking and unlocking process and good in reliability and stability.

In one embodiment of the present invention, the first unlocking plate is rotatably mounted on the lock housing; when the locking piece is not subjected to external force, the locking piece is reset to a locking working position through self gravity or a third elastic reset piece;

the bidirectional tongue block is provided with a limiting groove, the locking piece is provided with a limiting part matched with the limiting groove, and the limiting part and the limiting groove are matched with each other and used for limiting the position of the locking piece when the working position is locked so that the first matching part is better matched with the bidirectional tongue block;

the first matching part is a roller rotatably arranged on the locking piece.

The first matching part is a roller, so that friction force can be reduced, and the position switching of the first matching part is facilitated.

In practical application, the elastic reset piece can be in various forms such as a torsion spring, a tension spring, a compression spring, an elastic sheet and the like.

In one embodiment of the present invention, the driving mechanism includes:

the driving piece is rotatably arranged on the lock shell, is matched with the shifting block and can drive the shifting block to rotate, and is provided with a convex part matched with the first unlocking plate;

and the motor assembly is used for driving the driving piece to rotate.

In practical application, the driving member may be a first gear, the motor assembly includes a motor and a second gear driven by the motor, and the first gear is engaged with the second gear. In practice, the motor assembly may directly drive the second gear or indirectly drive the second gear.

In one embodiment of the present invention, the positioning portion has a notch, the notch has a first side wall and a second side wall, the first side wall is close to the tongue locking portion, the second side wall is far away from the tongue locking portion, the first transmission portion is matched with the notch, the notch drives the main tongue to slide, when the tongue locking portion of the main tongue penetrates out of the lock case, the first transmission portion abuts against the first side wall, and when the tongue locking portion of the main tongue retracts into the lock case, the first transmission portion abuts against the second side wall; the second side wall is provided with a buffer area, and the first transmission part can further continue to rotate in the buffer area after the bolt part of the main bolt retracts into the lock shell; when the driving piece drives the first transmission part to rotate, so that the bolt part retracts into the lock shell, the driving piece continues to rotate, and the first transmission part idles in the buffer area, and meanwhile, the convex part drives the first unlocking plate to move, so that the locking piece is switched to an unlocking working position;

an idle rotation structure is arranged between the shifting block and the driving piece; the idle rotation structure comprises a first matching block arranged on the shifting block and a second matching block arranged on the driving piece, the shifting block can idle for a set angle relative to the driving piece, and when the driving piece rotates and the second matching block abuts against the first matching block, the driving piece continues to rotate in the same direction to drive the shifting block to rotate synchronously;

after the main spring bolt worn out the lock shell, the driving piece can reset, and when the shifting block was driven by other mechanisms, the shifting block can idle relatively the driving piece and unblock main spring bolt.

The buffer area arranged on the second side wall is used for providing the matching time of the convex part and the latch bolt mechanism, so that the latch bolt mechanism cannot be unlocked when the main latch bolt is unlocked, and the main latch bolt is effectively guaranteed to reliably slide into the lock shell. In practical use, the buffer area can be an arc surface. The idle rotation structure can ensure that the shifting block does not generate acting force with the driving piece when working through other mechanisms (such as a mechanical unlocking mechanism), thereby ensuring the reliable and smooth work of the shifting head.

In one embodiment of the present invention, the locking member has a fourth engaging portion, and the shifting block has a second transmission portion; the lock further comprises:

the second unlocking plate is arranged on the lock shell in a sliding or rotating mode and is used for being matched with the fourth matching part of the locking piece, and when the second unlocking plate is stressed to move, the locking piece can be driven to rotate and switch to an unlocking working position;

the mechanical lock is arranged on the lock shell and is provided with a shifting block which can be driven by a key, and a key hole of the mechanical lock is exposed out of the lock shell;

the plectrum rotates the installation on the lock shell, the plectrum has first portion, second part and third part, the first portion be used for with the shifting block cooperation, the second part be used for with the cooperation of second transmission portion, the third part be used for with the cooperation of second unlocking board, when the shifting block rotates, drive the plectrum through the first portion and rotate, the plectrum drives the shifting block idle running through the second part earlier, drives spring bolt portion withdrawal lock shell, then the third part again with the cooperation of fourth cooperation portion makes the locking piece switch to unblock workstation.

The structure of mechanical tapered end can prevent that the tool to lock from being cracked by the violence, even if demolish all violently structures such as the handle panel of outdoor, the keyhole of mechanical tapered end also only exposes, does not have the key and can not make the unblock shifting block rotate, consequently can improve the security greatly.

In one embodiment of the present invention, the lock further includes:

the controller is used for controlling the motor assembly to work;

the positioning gear is rotatably arranged on the lock shell and meshed with the driving piece, and a third triggering part is arranged on the positioning gear;

and the second bidirectional detection switch is arranged on the lock shell and is in signal connection with the controller, and the third trigger part is used for triggering the second bidirectional detection switch.

Through setting up the position that positioning gear, second bilateral detection switch can be reliable judge the driving piece to guarantee after the spring bolt portion of main spring bolt wears out the lock shell, the driving piece can accurate reset.

The utility model has the beneficial effects that: the main spring bolt mechanism of this application is provided with first trigger part and second trigger part on the shifting block, through the cooperation of two trigger parts and first bilateral detection switch, can be in two directions pressure-operated portion to can judge the position of shifting block, judge the position of lock tongue portion promptly, for current structure, can save a sensor.

Description of the drawings:

FIG. 1 is a schematic view of a lockset;

FIG. 2 is a schematic view of the latch in a closed door condition;

FIG. 3 is a schematic view of the latch at another angle with the door closed;

FIG. 4 is a partial exploded view of the lock;

FIG. 5 is a schematic view of the locking member, paddle, and drive mechanism;

FIG. 6 is a schematic view of a positioning gear and a second bi-directional detection switch;

FIG. 7 is a schematic view of the paddle and driver disengaged;

FIG. 8 is a schematic view of the electric lock;

FIG. 9 is a schematic view of a mechanical unlocking mechanism;

fig. 10 is a schematic view of the main bolt pending extension after closing the door.

The figures are numbered:

1. a lock case; 2. a main bolt; 3. a lock tongue portion; 4. a positioning part; 5. a first bidirectional detection switch; 6. a pressure receiving portion; 7. a controller; 8. shifting blocks; 9. a first transmission unit; 10. a first trigger section; 11. a second trigger section; 12. a latch mechanism; 13. a drive mechanism; 14. a bi-directional deadbolt assembly; 15. a bi-directional tongue block; 16. a bi-directional tongue; 17. a first elastic reset member; 18. a locking member; 19. a first mating portion; 20. a second mating portion; 21. a third mating portion; 22. A fourth mating portion; 23. a first unlocking plate; 24. a latch bolt assembly; 25. a tongue plate; 26. an inclined bolt; 27. a pressing part; 28. a third elastic reset member; 29. a limiting groove; 30. a limiting part; 31. a drive member; 32. a convex portion; 33. A motor assembly; 34. a recess; 35. a first side wall; 36. a second side wall; 37. a buffer area; 38. a first mating block; 39. a second mating block; 40. a second transmission part; 41. a second unlocking plate; 42. a mechanical lock head; 43. a shifting block; 44. a shifting sheet; 45. a first portion; 46. a second portion; 47. a third portion; 48. positioning a gear; 49. a third trigger section; 50. a second bidirectional detection switch.

The specific implementation mode is as follows:

the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-10, the embodiment discloses a lock, which comprises a lock case 1 and a main bolt mechanism, wherein as shown in fig. 2, 3, 4 and 8, the main bolt mechanism comprises:

the main bolt 2 is arranged on the lock shell 1 in a sliding mode, and the main bolt 2 comprises a bolt part 3 and a positioning part 4;

the first bidirectional detection switch 5 is arranged in the lock shell 1 and is in signal connection with a controller 7 of the lock, and the first bidirectional detection switch 5 is provided with a pressure receiving part 6 capable of rotating;

the shifting block 8 is rotatably installed on the lock shell 1, the shifting block 8 is provided with a first transmission part 9, a first trigger part 10 and a second trigger part 11, the first transmission part 9 is used for being matched with the positioning part 4, when the shifting block 8 rotates, the main bolt 2 can be driven to slide through the first transmission part 9, the bolt part 3 penetrates out of the lock shell 1 or retracts into the lock shell 1, the first trigger part 10 and the second trigger part 11 are used for being matched with the first bidirectional detection switch 5 respectively, after the bolt part 3 penetrates out of the lock shell 1, the first trigger part 10 presses the compression part 6 of the first bidirectional detection switch 5, after the bolt part 3 retracts into the lock shell 1, the second trigger part 11 presses the compression part 6 of the first bidirectional detection switch 5, and the first trigger part 10 and the second trigger part 11 press the compression part 6 to rotate in different directions.

The bidirectional detection switch is an existing detection switch, and when the pressed part 6 rotates in different directions, different detection signals can be generated, so that the rotation direction and the position of the shifting block 8 can be judged, and during actual application, a loose ESE24 type sensor can be adopted.

The main bolt mechanism of this application is provided with first trigger part 10 and second trigger part 11 on shifting block 8, through two trigger parts and the cooperation of first bilateral detection switch 5, can be in two directions pressure-operated portion 6 to can judge the position of shifting block 8, judge the position of tongue portion 3 promptly, for current structure, can save a sensor.

In the present embodiment, the pressure receiving portion 6 is located between the first triggering portion 10 and the second triggering portion 11.

As shown in fig. 7, in the present embodiment, the dial 8 includes a cylindrical body, and the first transmission portion 9, the first trigger portion 10 and the second trigger portion 11 are connected to a sidewall of the cylindrical body.

The lock of the present embodiment further comprises a latch bolt mechanism 12, a main latch bolt mechanism and a driving mechanism 13 mounted on the lock case 1.

As shown in fig. 2 to 5, in the present embodiment, the latch mechanism 12 includes:

the bidirectional bolt assembly 14 is arranged on the lock shell 1 in a sliding mode, and the bidirectional bolt assembly 14 comprises a bidirectional bolt block 15 and a bidirectional bolt 16 rotatably installed on the bidirectional bolt block 15;

the first elastic resetting piece 17 is arranged on the lock shell 1 and is used for being matched with the bidirectional bolt assembly 14 so that the bidirectional bolt 16 of the bidirectional bolt assembly 14 penetrates out of the lock shell 1;

the locking piece 18 is rotatably arranged on the lock shell 1, the locking piece 18 is provided with a first matching part 19, a second matching part 20 and a third matching part 21, the locking piece 18 is provided with a locking working position and an unlocking working position, when the locking piece 18 is positioned at the locking working position, the first matching part 19 is used for being abutted to the bidirectional tongue piece 15 to limit the bidirectional tongue piece assembly 14 to move towards the inner side of the lock shell 1, when the locking piece 18 is positioned at the unlocking working position, the first matching part 19 does not limit the bidirectional tongue piece 15 any more, the bidirectional tongue piece assembly 14 can move towards the inner side of the lock shell 1, and the locking piece 18 can reset to the locking working position when external force is not applied to the locking piece 18;

the first unlocking plate 23 is movably arranged on the lock shell 1, the first unlocking plate 23 is used for being matched with the second matching part 20 of the locking piece 18, and when the first unlocking plate 23 is stressed to move, the locking piece 18 can be driven to rotate and be switched to an unlocking working position;

the oblique tongue assembly 24 is arranged on the lock shell 1 in a sliding mode, the oblique tongue assembly 24 comprises an oblique tongue plate 25 and an oblique tongue 26 rotatably installed on the oblique tongue plate 25, the oblique tongue plate 25 is provided with a pressing part 27, and the pressing part 27 is matched with the third matching part 21 of the locking piece 18;

and a second elastic reset piece (not shown in the figures) which is installed on the lock case 1 and is used for matching with the latch bolt assembly 24 to enable the latch bolt 26 of the latch bolt assembly 24 to penetrate out of the lock case 1, and when the latch bolt 26 penetrates out of the lock case 1, the pressing part 27 presses the third matching part 21 to enable the locking piece 18 to be kept at the unlocking working position.

The operating principle of the latch mechanism 12 is as follows: in a door closing state, the latch bolt assembly 24 is pressed into the lock case 1, at this time, the pressing part 27 of the latch bolt assembly 24 does not press the third matching part 21, that is, the locking part 18 is in a locking working position, the first matching part 19 can be abutted against the bidirectional latch block 15, so that the bidirectional latch bolt assembly 14 is limited to move towards the inner side of the lock case 1, that is, the bidirectional latch 16 is locked and cannot retract into the lock case 1; in a door closing state, when the first unlocking plate 23 is driven to move, the locking member 18 can be driven to rotate to the unlocking working position through the matching of the first unlocking plate 23 and the second matching portion 20, namely, the first matching portion 19 no longer limits the two-way bolt block 15, and the two-way bolt assembly 14 can move towards the inner side of the lock shell 1. The latch bolt mechanism 12 of this application, even if under the state of opening the door, mistakenly press latch bolt subassembly 24 (make latch bolt 26 withdrawal lock shell 1), when the release back, latch bolt subassembly 24 can reset under the effect of second elasticity piece that resets, through the cooperation of pressing portion 27 and third cooperation portion 21, makes locking piece 18 rotate to unblock work position, and this kind of cooperation form has improved stability greatly, is not afraid of the maloperation. The latch mechanism 12 is simple in locking and unlocking process and good in reliability and stability.

In this embodiment, the first unlocking plate 23 is rotatably mounted on the lock housing 1. When the locking piece 18 is not subjected to external force, the locking piece is reset to the locking working position through self gravity or the third elastic resetting piece 28;

as shown in fig. 3 and 4, the bidirectional tongue piece 15 is provided with a limiting groove 29, the locking member 18 is provided with a limiting portion 30 matched with the limiting groove 29, and the limiting portion 30 and the limiting groove 29 are matched with each other to limit the position of the locking member 18 when the working position is locked, so that the first matching portion 19 is better matched with the bidirectional tongue piece 15;

the first engagement portion 19 is a roller rotatably mounted on the locking member 18.

The first matching part 19 is a roller, and the friction force can be reduced in such a way, so that the position switching of the first matching part 19 is facilitated.

As shown in fig. 2, in the present embodiment, the driving mechanism 13 includes:

the driving piece 31 is rotatably installed on the lock shell 1, the driving piece 31 is matched with the shifting block 8 and can drive the shifting block 8 to rotate, a convex part 32 matched with the first unlocking plate 23 is arranged on the driving piece 31, and after the driving piece 31 drives the shifting block 8 to rotate so as to enable the main bolt 2 to retract into the lock shell 1, the convex part 32 is used for driving the first unlocking plate 23 to move, so that the locking piece 18 is switched to an unlocking working position;

and the motor assembly 33 is used for driving the driving piece 31 to rotate.

In practice, the driving member 31 may be a first gear, and the motor assembly 33 includes a motor and a second gear driven by the motor, and the first gear is engaged with the second gear. In practice, the motor assembly 33 may directly drive the second gear or indirectly drive the second gear.

As shown in fig. 4 and 7, in the present embodiment, the positioning portion 4 has a recess 34, the recess 34 has a first side wall 35 and a second side wall 36, the first side wall 35 is close to the tongue portion 3, the second side wall 36 is far from the tongue portion 3, the first transmission portion 9 is engaged with the recess 34, the main tongue 2 is driven to slide through the recess 34, when the tongue portion 3 of the main tongue 2 passes through the lock case 1, the first transmission portion 9 abuts against the first side wall 35, and when the tongue portion 3 of the main tongue 2 retracts into the lock case 1, the first transmission portion 9 abuts against the second side wall 36; the second side wall 36 has a buffer area 37, and after the bolt part 3 of the main bolt 2 retracts into the lock case 1, the first transmission part 9 can continue to rotate in the buffer area 37; when the driving member 31 drives the first transmission portion 9 to rotate, so that the lock tongue portion 3 retracts into the lock case 1, the driving member 31 continues to rotate, and the first transmission portion 9 idles in the buffer area 37, and at the same time, the convex portion 32 drives the first unlocking plate 23 to move, so that the locking member 18 is switched to the unlocking working position;

an idle rotation structure is arranged between the shifting block 8 and the driving piece 31; the idle rotation structure comprises a first matching block 38 arranged on the shifting block 8 and a second matching block 39 arranged on the driving piece 31, the shifting block 8 can idle for a set angle relative to the driving piece 31, and when the driving piece 31 rotates to enable the second matching block 39 to abut against the first matching block 38, the driving piece 31 continues to rotate in the same direction to drive the shifting block 8 to rotate synchronously;

when the main bolt 2 passes through the lock shell 1, the driving piece 31 can reset, and when the shifting block 8 is driven by other mechanisms, the shifting block 8 can idle relative to the driving piece 31 and unlock the main bolt 2.

The buffer area 37 arranged on the second side wall 36 is used for providing the matching time of the convex part 32 and the latch bolt mechanism 12, so that the latch bolt mechanism 12 cannot be unlocked when the main latch bolt 2 is unlocked, and the main latch bolt 2 is effectively ensured to reliably slide into the lock shell 1. In practice, the buffer area 37 may be an arc surface. The idle rotation structure can ensure that the shifting block 8 does not generate acting force with the driving piece 31 when working through other mechanisms (such as a mechanical unlocking mechanism), and the shifting head 43 can work reliably and smoothly.

As shown in fig. 2 and 10, in the present embodiment, the locking member 18 has a fourth mating portion 22, and the dial 8 has a second transmission portion 40; the tool to lock still includes:

the second unlocking plate 41 is arranged on the lock shell 1 in a sliding or rotating mode, the second unlocking plate 41 is used for being matched with the fourth matching part 22 of the locking piece 18, and when the second unlocking plate 41 is stressed to move, the locking piece 18 can be driven to rotate and be switched to an unlocking working position;

the mechanical lock head 42 is arranged on the lock shell 1, the mechanical lock head 42 is provided with a shifting head 43 which can be driven by a key, and a key hole of the mechanical lock head 42 is exposed out of the lock shell 1;

the shifting piece 44 is rotatably installed on the lock shell 1, the shifting piece 44 is provided with a first portion 45, a second portion 46 and a third portion 47, the first portion 45 is used for being matched with the shifting head 43, the second portion 46 is used for being matched with the second transmission part 40, the third portion 47 is used for being matched with the second unlocking plate 41, when the shifting head 43 rotates, the shifting piece 44 is driven to rotate through the first portion 45, the shifting piece 44 drives the shifting block 8 to idle through the second portion 46 firstly, the bolt part 3 is driven to retract into the lock shell 1, then the third portion 47 is matched with the fourth matching part 22, and the locking piece 18 is switched to an unlocking working position.

The structure of the mechanical lock head 42 can prevent the lock from being cracked violently, even if the structures such as a handle panel outside the door are completely removed violently, only the keyhole of the mechanical lock head 42 is exposed, and the unlocking shifting block 8 cannot be rotated without a key, so that the safety can be greatly improved.

As shown in fig. 6, in this embodiment, the lock further includes:

a positioning gear 48 which is rotatably arranged on the lock shell 1 and is meshed with the driving piece 31, and a third triggering part 49 is arranged on the positioning gear 48;

a second two-way detection switch 50 provided on the lock case 1 and connected to the controller 7 by a signal, and a third trigger 49 for triggering the second two-way detection switch 50.

The position of the driving piece 31 can be reliably judged by arranging the positioning gear 48 and the second bidirectional detection switch 50, so that the driving piece 31 can be accurately reset after the bolt part 3 of the main bolt 2 penetrates out of the lock shell 1.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a main spring bolt mechanism of tool to lock, the tool to lock includes the lock shell, its characterized in that, main spring bolt mechanism includes:

2. The master bolt mechanism of claim 1, wherein the pressed portion is located between the first and second trigger portions.

3. The master bolt mechanism of claim 1, wherein the paddle includes a cylindrical body, and the first transmission portion, the first trigger portion, and the second trigger portion are connected to a sidewall of the cylindrical body.

4. A lock is characterized by comprising a lock shell, and further comprising a latch bolt mechanism, a main latch bolt mechanism and a driving mechanism which are arranged on the lock shell, wherein the main latch bolt mechanism is the main latch bolt mechanism as claimed in any one of claims 1 to 3.

5. The lock according to claim 4, wherein said latch mechanism comprises:

6. The lock according to claim 5, wherein said first unlocking plate is rotatably mounted on the lock housing; when the locking piece is not subjected to external force, the locking piece is reset to a locking working position through self gravity or a third elastic reset piece;

the first matching part is a roller rotatably arranged on the locking piece.

7. The lock according to claim 5, wherein said drive mechanism comprises:

and the motor assembly is used for driving the driving piece to rotate.

8. The lock of claim 7, wherein the positioning portion has a notch, the notch has a first side wall and a second side wall, the first side wall is close to the tongue portion, the second side wall is far away from the tongue portion, the first transmission portion is engaged with the notch, the main tongue is driven to slide through the notch, the first transmission portion abuts against the first side wall when the tongue portion of the main tongue protrudes out of the lock case, and the first transmission portion abuts against the second side wall when the tongue portion of the main tongue is retracted into the lock case; the second side wall is provided with a buffer area, and the first transmission part can further continue to rotate in the buffer area after the bolt part of the main bolt retracts into the lock shell; when the driving piece drives the first transmission part to rotate, so that the bolt part retracts into the lock shell, the driving piece continues to rotate, and the first transmission part idles in the buffer area, and meanwhile, the convex part drives the first unlocking plate to move, so that the locking piece is switched to an unlocking working position;

after the main spring bolt worn out the lock shell, the driving piece can reset, and when the shifting block was driven, the shifting block can idle running and unblock main spring bolt relative to the driving piece.

9. The lock according to claim 8, wherein the locking member has a fourth mating portion, and the paddle has a second transmission portion; the lock further comprises:

10. The lock of claim 9, further comprising:

the controller is used for controlling the motor assembly to work;