CN111852197B

CN111852197B - Lock body

Info

Publication number: CN111852197B
Application number: CN202010750660.7A
Authority: CN
Inventors: 肖梓一
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-06-25
Anticipated expiration: 2040-07-30
Also published as: CN111852197A

Abstract

The application discloses lock body includes: the main bolt is provided with a bolt part and a stress part; the first driving piece is provided with a first positioning part and a driving part, the first driving piece is provided with a first working position and a second working position, the spring bolt part penetrates out of the lock shell in the first working position, and the spring bolt part retracts into the lock shell in the second working position; the second driving piece is matched with the first driving piece and used for driving the first driving piece to move; the elastic element is used for enabling the first driving piece to move from the second working position to the first working position; the positioning piece is provided with a second positioning part matched with the first positioning part; the positioning part elastic reset part is used for matching the second positioning part with the first positioning part of the positioning part when the first driving part is positioned at the first working position, so as to position the first driving part. This application can make the main spring bolt wear out the lock shell automatically through elastic element, whole simple structure, and it is comparatively convenient to operate.

Description

Lock body

Technical Field

The invention relates to the field of intelligent lock bodies, in particular to a lock body.

Background

The handle is rotated by a wide margin to current tool to lock when locking a door, and the handle drives main spring bolt through complicated transmission structure and wears out the lock shell, and the tool to lock uses comparatively inconveniently.

Disclosure of Invention

The invention provides a lock body aiming at the problems.

The technical scheme adopted by the invention is as follows:

a lock body comprises a lock shell, wherein a clutch mechanism and a main spring bolt mechanism are arranged on the lock shell, and the clutch mechanism comprises a main transmission part which is rotatably arranged on the lock shell; the main bolt mechanism includes:

the main bolt is arranged on the lock shell in a sliding mode and is provided with a bolt part and a stress part;

the first driving piece is arranged on the lock shell in a sliding mode and provided with a first positioning part and a driving part matched with the stress part, the bolt part of the main bolt can be controlled to penetrate out of or retract into the lock shell through the movement of the first driving piece, the first driving piece is provided with a first working position and a second working position, the bolt part penetrates out of the lock shell in the first working position, and the bolt part retracts into the lock shell in the second working position;

the second driving piece is movably arranged on the lock shell, and is matched with the first driving piece and used for driving the first driving piece to move;

the elastic element is matched with the first driving piece or/and the second driving piece and is used for moving the first driving piece from the second working position to the first working position when the first driving piece is not positioned;

the positioning piece is movably arranged on the lock shell and is provided with a second positioning part matched with the first positioning part;

the positioning piece elastic reset piece is arranged on the lock shell, is matched with the positioning piece and is used for matching the second positioning part with the first positioning part when the first driving piece is positioned at the first working position so as to position the first driving piece;

the driving strap is rotatably installed on the lock shell and used for being matched with a main driving piece of the clutch mechanism, the main driving piece can drive the driving strap to rotate, the second driving piece can be driven to rotate through the rotation of the driving strap, and the first driving piece is switched to the second working position from the first working position.

The working principle of the lock body is as follows: under the state of opening the door, first driving piece is located the second work position, the cooperation of second location portion and the first location portion of setting element, live first driving piece location, spring bolt portion withdrawal lock shell, when closing the door, only need trigger the setting element, make second location portion break away from first location portion, this moment under elastic element's effect, can make first driving piece remove to first work position from the second work position, promptly under the effect of first driving piece, the lock shell is worn out to the spring bolt portion of main spring bolt, when needing to open the door, main drive spare through clutching mechanism drives the transmission piece and rotates, transmission piece drive second driving piece, the second driving piece drives first driving piece and moves to the second work position, spring bolt portion withdrawal lock shell this moment, under the effect of setting element elasticity piece that resets, the cooperation of second location portion and the first location portion of setting element, live first driving piece location.

The main spring bolt mechanism of this application need not order about main spring bolt through handle and complicated transmission structure and stretch out, and this application just enables main spring bolt automation through elastic element and wears out the lock shell after the setting element unblock, and whole simple structure is reliable.

In practical use, the first positioning portion and the second positioning portion may be two protrusions or hooks, one protrusion or one groove, or other structures capable of positioning each other.

In practical use, the positioning element can be a spring or a shrapnel and the like.

In one embodiment of the present invention, the clutch mechanism further includes:

the two clutch blocks are respectively and rotatably arranged on two sides of the main transmission part and are provided with first positioning structures;

the connecting piece is used for relatively fixing any one of the clutch blocks and the main transmission piece in the circumferential direction;

the clutch piece is movably arranged on the main transmission piece and is provided with two second positioning structures which are respectively matched with the first positioning structures of the two clutch blocks, and when the second positioning structures are combined with the first positioning structures, the main transmission piece and the two clutch blocks are relatively fixed in the circumferential direction;

and the elastic piece is arranged between the main transmission piece and the clutch piece and is used for enabling the second positioning structure to be separated from the first positioning structure when the clutch piece is free from external force.

When the clutch mechanism is used, the connecting piece can be adjusted to be matched with different clutch blocks as required, so that the lock body with the left door and the lock body with the right door can be exchanged, and the lock body has better universality. For example, the connecting piece cooperates with first separation and reunion piece under initial condition, and the lock body is used for installing the lock body that opens the door from the left side this moment, when the lock body need install on the door that opens the door from the right side, only need separate connecting piece and first separation and reunion piece, with the cooperation of connecting piece and second separation and reunion piece, can exchange through the realization that this kind of mode was convenient fast. The clutch mechanism is simple in structure. In practical application, the elastic piece of this application can be spring or shell fragment etc..

In one embodiment of the present invention, the clutch member includes a body and a control portion located on one side of the body and extending outward, the two second positioning structures are located on one side of the body away from the control portion, the main transmission member has an installation groove, the clutch member is slidably disposed in the installation groove, one end of the elastic member is engaged with the installation groove, and the other end of the elastic member is engaged with the body, so as to enable the clutch member to have a movement tendency of moving outward;

clutch mechanism still includes the anticreep portion of being connected with main driving medium fixed connection or dismantlement, anticreep portion is used for cooperating with body or control division, prevents that the clutch piece from breaking away from the mounting groove.

In an embodiment of the present invention, the lock body further includes a clutch motor assembly, and the clutch motor assembly is configured to drive the clutch member to move, so that the main transmission member and the two clutch blocks are both fixed relatively in the circumferential direction.

The clutch motor assembly can be matched with the control part to press the clutch piece.

In one embodiment of the present invention, the main transmission member has a first portion and a second portion, the first portion is used for cooperating with the transmission piece, the lock body further includes a latch mechanism, and the latch mechanism includes:

the lock bolt assembly is arranged on the lock shell in a sliding mode and comprises a first connecting block and a lock bolt rotatably arranged on the first connecting block, and a first matching part is arranged on the first connecting block;

the spring bolt assembly resetting piece is arranged on the lock shell and is used for being matched with the spring bolt assembly, and when the spring bolt assembly is not subjected to external force, a spring bolt of the spring bolt assembly penetrates out of the lock shell;

the locking plate is arranged on the lock shell in a sliding mode and provided with a second matching portion and a third matching portion, the locking plate is provided with a locking working position and an unlocking working position, when the locking plate is located at the locking working position, the spring bolt penetrates out of the lock shell, the second matching portion is matched with the first matching portion, the locking plate can limit the spring bolt assembly to move towards the inner side of the lock shell, when the limiting piece is located at the unlocking working position, the second matching portion is separated from the first matching portion, and the spring bolt assembly can move towards the inner side of the lock shell; the locking plate is also provided with an unlocking part, and the unlocking part is used for matching with the positioning piece when the locking plate is positioned at a locking working position, overcoming the elastic force of the elastic resetting piece of the positioning piece and enabling the second positioning part to be separated from the first positioning part; the locking plate is also provided with a first pressure receiving part, the first pressure receiving part is used for being matched with the second part of the main transmission piece, and the locking plate can be switched from a locking working position to an unlocking working position through the rotation of the main transmission piece;

the locking plate resetting piece is arranged on the lock shell and is used for being matched with the locking plate, so that the second matching part of the locking plate has a movement trend moving towards one side of the first matching part;

the inclined spring bolt assembly is arranged on the lock shell in a sliding mode and comprises a second connecting block and an inclined spring bolt rotatably installed on the second connecting block, the second connecting block is provided with a fourth matching portion, and the fourth matching portion is used for being matched with the third matching portion, so that when the inclined spring bolt extends out of the lock shell, the fourth matching portion can interact with the third matching portion, and the locking plate is located at an unlocking working position;

the oblique spring bolt reset piece is arranged on the lock shell and is used for being matched with the oblique spring bolt assembly to enable an oblique spring bolt of the oblique spring bolt assembly to penetrate out of the lock shell.

The application adopts the working principle of the latch bolt mechanism: when the door is closed, the inclined spring bolt assembly is pressed into the lock shell, the fourth matching part of the inclined spring bolt assembly cannot drive the third matching part to move, the spring bolt of the spring bolt assembly penetrates out of the lock shell under the action of a spring bolt assembly resetting piece, the second matching part is matched with the first matching part under the action of a locking plate resetting piece, the locking plate is located at a locking working position, and the spring bolt assembly cannot move towards the inner side of the lock shell; when the door is opened, the locking plate is driven to move (for example, driven by a main transmission part), the locking working position is switched to the unlocking working position, after the door is opened, the inclined bolt of the inclined bolt assembly extends out of the lock shell under the action of the inclined bolt resetting part, and meanwhile, the fourth matching part is matched with the third matching part to enable the locking plate to be located at the unlocking working position. The application of oblique spring bolt mechanism, even if the oblique spring bolt subassembly is pressed to the mistake under the state of opening the door (make oblique spring bolt withdrawal lock shell subassembly), after the hand release, through the effect that the oblique spring bolt resets, oblique spring bolt subassembly can reset, drives the lockplate simultaneously and resumes to unblock work position, consequently is not afraid of the maloperation.

This application lock body triggers the setting element of main spring bolt mechanism through oblique tongue mechanism, and whole structure is very ingenious. After closing the door, because oblique spring bolt can be pressed into the lock shell by the door frame, so under the effect that the lockplate resets, the lockplate removes, is in the locking work position, and the unblock portion and the setting element cooperation of lockplate can unblock the setting element this moment, and the spring bolt portion of final main spring bolt can wear out the lock shell automatically.

In one embodiment of the present invention, the lock body further comprises a mechanical lock installed on the lock case and a sliding plate slidably installed on the main bolt or the lock case; the locking plate is also provided with a second pressure receiving part; the shifting block of the mechanical lock is used for being matched with the first driving piece and the sliding plate, so that the first driving piece is switched from a first working position to a second working position, the sliding plate drives the second pressure receiving part, and the locking plate is switched from a locking working position to an unlocking working position.

When electronic faults occur, the mechanical lock is inserted into the mechanical lock through the key to drive the shifting block to rotate, the first driving piece is switched from the first working position to the second working position, the locking plate is switched from the locking working position to the unlocking working position, and therefore door opening operation is achieved.

In an embodiment of the invention, the first pressed part and the second pressed part are located at different positions or at the same position of the locking plate.

In one embodiment of the present invention, the second driving member is rotatably mounted on the lock housing, the first driving member has a first tooth, the second driving member has a second tooth, and the first tooth is engaged with the second tooth.

Through the meshing of first tooth and second tooth, can convert the rotation of second driving piece into the linear motion of first driving piece, finally through the cooperation of atress portion and drive division, realize driving the main spring bolt and remove.

In one embodiment of the present invention, the positioning element is rotatably or slidably mounted on the lock housing.

In one embodiment of the present invention, the elastic element includes a first element and a second element, the first element is engaged with the second driving member, and the second element is engaged with the first driving member; the first element is a spring or a spring sheet, and the second element is a spring or a spring sheet.

The invention has the beneficial effects that: the lock body need not order about main spring bolt through handle and complicated transmission structure and stretch out, and this application just enables main spring bolt automatic wear out lock shell through elastic element after the setting element unblock, and whole simple structure is reliable.

Description of the drawings:

figure 1 is a schematic view of the lock body in a closed door state;

FIG. 2 is a schematic view of the lock body with the main drive member rotated and the door opened;

FIG. 3 is a schematic view of the lock body in the open state after the main transmission member is reset;

FIG. 4 is a schematic view of the lock body with the main bolt omitted in the open state;

figure 5 is a partial exploded view of the lock body;

FIG. 6 is a schematic view of a clutch mechanism;

FIG. 7 is a front view of the clutch mechanism;

FIG. 8 is a sectional view A-A of FIG. 7;

FIG. 9 is an exploded view of the clutch mechanism;

FIG. 10 is a schematic view of the construction of the primary drive member;

FIG. 11 is a schematic view of another angle of the primary drive member;

FIG. 12 is a front view of the primary drive;

FIG. 13 is a cross-sectional view B-B of FIG. 12;

FIG. 14 is a schematic structural view of another clutch mechanism;

fig. 15 is a partial exploded view of another clutch mechanism.

The figures are numbered:

1. a lock case; 2. a main bolt mechanism; 3. a clutch mechanism; 4. a latch mechanism; 5. a main bolt; 6. a lock tongue portion; 7. a force receiving portion; 8. a first driving member; 9. a first positioning portion; 10. a drive section; 11. a second driving member; 12. an elastic element; 13. a positioning member; 14. a second positioning portion; 15. the positioning piece is an elastic resetting piece; 16. positioning a groove; 17. a first tooth; 18. a second tooth; 19. a driving strap; 20. a mechanical lock; 21. shifting blocks; 22. a first part; 23. a second section; 24. a slide plate; 25. a latch bolt assembly; 26. a first connection block; 27. a latch bolt; 28. a first mating portion; 29. a bolt assembly reset piece; 30. a locking plate; 31. a second mating portion; 32. a third mating portion; 33. a lockplate reset; 34. an inclined bolt assembly; 35. a second connecting block; 36. an inclined bolt; 37. a fourth mating portion; 38. an inclined bolt resetting piece; 39. a first pressure receiving portion; 40. a second pressure receiving portion; 41. an unlocking portion; 42. a main transmission member; 43. a clutch block; 44. a first positioning structure; 45. a connecting member; 46. a clutch member; 47. a second positioning structure; 48. an elastic member; 49. mounting holes; 50. a limiting part; 51. a threaded hole; 52. passing through the aperture; 53. a body; 54. a control unit; 55. mounting grooves; 56. an anti-drop part; 58. a chute; 59. a through hole; 60. a limiting groove; 61. a clutch motor assembly; 62. a clamping groove.

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 to 5, a lock body includes a lock case 1, and a main bolt mechanism 2, a clutch mechanism 3 and a latch bolt mechanism 4 are installed on the lock case 1.

As shown in fig. 1, the main bolt mechanism 2 includes:

the main bolt 5 is arranged on the lock shell 1 in a sliding mode, and the main bolt 5 is provided with a bolt locking part 6 and a stress part 7;

the first driving piece 8 is arranged on the lock shell 1 in a sliding mode, the first driving piece 8 is provided with a first positioning portion 9 and a driving portion 10 matched with the stress portion 7, the bolt locking portion 6 of the main bolt 5 can be controlled to penetrate out of or retract into the lock shell 1 through movement of the first driving piece 8, the first driving piece 8 is provided with a first working position and a second working position, the bolt locking portion 6 penetrates out of the lock shell 1 in the first working position, and the bolt locking portion 6 retracts into the lock shell 1 in the second working position;

the second driving part 11 is movably arranged on the lock shell 1, and the second driving part 11 is matched with the first driving part 8 and used for driving the first driving part 8 to move;

an elastic element 12, cooperating with the first driving element 8 or/and the second driving element 11, for moving the first driving element 8 from the second working position to the first working position when the first driving element 8 is not positioned;

the positioning piece 13 is movably arranged on the lock shell 1, and the positioning piece 13 is provided with a second positioning part 14 matched with the first positioning part 9;

and the positioning piece elastic resetting piece 15 is arranged on the lock shell 1, is matched with the positioning piece 13 and is used for matching the second positioning part 14 of the positioning piece 13 with the first positioning part 9 to position the first driving piece 8 when the first driving piece 8 is at the first working position.

The working principle of the main bolt mechanism 2 is as follows: in the door opening state (as shown in fig. 2, 3 and 4), the first driving member 8 is located at the second working position, the second positioning portion 14 of the positioning member 13 cooperates with the first positioning portion 9 to position the first driving member 8, and the bolt portion 6 retracts into the lock case 1; when the door is closed, the positioning element 13 is only required to be triggered to separate the second positioning portion 14 from the first positioning portion 9, and at this time, under the action of the elastic element 12, the first driving element 8 can be moved from the second working position to the first working position, that is, under the action of the first driving element 8, the bolt portion 6 of the main bolt 5 penetrates out of the lock case 1, as shown in fig. 1; when the door needs to be opened, the first driving part 8 is driven to move or the second driving part 11 is driven to move, so that the first driving part 8 moves to the second working position, at the moment, the lock tongue part 6 retracts into the lock shell 1, and under the action of the positioning part elastic resetting part 15, the second positioning part 14 of the positioning part 13 is matched with the first positioning part 9, so that the first driving part 8 is positioned.

The main spring bolt mechanism 2 of this embodiment need not order about main spring bolt 5 through handle and complicated transmission structure and stretch out, and this application just enables main spring bolt 5 and wears out lock shell 1, whole simple structure reliably automatically through elastic element 12 after setting element 13 unblock.

When applying the lock body with the main spring bolt mechanism 2 of this application, the lock body can design multiple structure in fact and drive setting element 13 activity to unblock setting element 13, but this application main spring bolt mechanism 2's expansibility is stronger.

In practical use, the first positioning portion 9 and the second positioning portion 14 may be two protrusions or hooks, one protrusion or one groove, or other structures capable of positioning each other.

In practical use, the elastic reset element 15 of the positioning element may be a spring or a spring plate.

As shown in fig. 1, in the present embodiment, the force-receiving portion 7 is a chute, and the driving portion 10 is a protrusion extending into the chute or a roller extending into the chute. In other embodiments, the driving portion 10 may be a chute, and the force-receiving portion 7 is a protrusion extending into the chute or a roller extending into the chute.

As shown in fig. 1, in the present embodiment, the chute has positioning grooves 16 at both ends. The positioning slot 16 is provided to facilitate the main bolt 5 to be maintained in a corresponding state.

In the present embodiment, the second driving member 11 is rotatably mounted on the lock housing 1, as shown in fig. 1 and 4.

As shown in fig. 4, in the present embodiment, the first driving member 8 has a first tooth 17, the second driving member 11 has a second tooth 18, and the first tooth 17 is engaged with the second tooth 18. Through the meshing of first tooth 17 and second tooth 18, can convert the rotation of second driving piece 11 into the linear motion of first driving piece 8, finally through the cooperation of atress portion 7 and drive division 10, realize driving main spring bolt 5 and remove.

As shown in fig. 1 and 4, in this embodiment, the main bolt mechanism 2 further includes a driving strap 19 rotatably installed on the lock case 1, the driving strap 19 is used for cooperating with the clutch mechanism 3 of the lock body, and the second driving member 11 can be driven to rotate by the rotation of the driving strap 19, so that the first driving member 8 is switched from the first working position to the second working position.

As shown in fig. 1 and 4, in this embodiment, the elastic member 12 is a torsion spring, which cooperates with the second driving member. In other embodiments, the elastic element 12 may also be a spring, a leaf spring, a tension spring, or the like. In addition, the elastic element 12 may be engaged with only the first driving element in actual use.

In order to provide a sufficient spring force, in other embodiments the spring element 12 comprises a first element cooperating with the second driver 11 and a second element cooperating with the first driver 8; the first element is a spring or a spring sheet, and the second element is a spring or a spring sheet.

When in actual use, the positioning piece 13 is rotatably or slidably arranged on the lock shell 1; the elastic element 12 is a spring or a leaf spring. In this embodiment, the positioning member 13 is rotatably mounted on the lock case 1.

As shown in fig. 6 to 13, the clutch mechanism 3 of the present embodiment includes:

a main transmission member 42 rotatably mounted on the lock case 1;

two clutch blocks 43 respectively rotatably mounted on both sides of the main transmission member 42, the clutch blocks 43 having a first positioning structure 44;

a connecting member 45 for fixing any one of the clutch plates 43 and the main transmission member 42 in a circumferential direction;

the clutch piece 46 is movably arranged on the main transmission piece 42, the clutch piece 46 is provided with two second positioning structures 47 which are respectively matched with the first positioning structures 44 of the two clutch blocks 43, and when the second positioning structures 47 are combined with the first positioning structures 44, the main transmission piece 42 and the two clutch blocks 43 are relatively fixed in the circumferential direction;

and the elastic piece 48 is arranged between the main transmission piece 42 and the clutch piece 46 and is used for enabling the second positioning structure 47 to be separated from the first positioning structure when the clutch piece 46 is not subjected to external force.

When the clutch mechanism 3 is used, the connecting piece 45 can be adjusted to be matched with different clutch blocks 43 as required to realize the exchange of the lock body with the left door and the lock body with the right door, so that the lock body has better universality. For example, the connecting piece 45 is matched with the first clutch piece 43 in the initial state, the lock body is arranged on a left-hand door, when the lock body needs to be arranged on a right-hand door, the connecting piece 45 is only required to be separated from the first clutch piece 43, and the connecting piece 45 is matched with the second clutch piece 43, so that the exchange can be realized quickly and conveniently. Namely, the same lock body can be suitable for left-hand opening doors and right-hand opening doors.

The clutch mechanism 3 is simple in structure. In practice, the elastic member 48 of the present application may be a spring or a leaf spring.

As shown in fig. 1 and 9, in the present embodiment, the main transmission member 42 has a mounting hole 49, and the clutch piece 43 is rotatably mounted on the mounting hole 49.

As shown in fig. 9 and 10, in the present embodiment, the middle of the mounting hole 49 has a limiting portion 50, the connecting member 45 is a screw, the limiting portion 50 has a threaded hole 51 for engaging with the screw, and the clutch block 43 has a through hole 52 for passing the screw therethrough.

The middle portion as referred to in this application is not limited to the middle. Reliable fixation can be achieved by the cooperation of the screw and the threaded hole 51.

In other embodiments, the position-limiting portion 50 has a positioning hole, the clutch block 43 has a through hole 52 for the connection element 45 to pass through, and one end of the connection element 45 passes through the through hole 52 and then extends into the positioning hole. Through the cooperation of locating hole and connecting piece 45, can realize reliable location. Further, the connecting member 45 has a threaded region, and has an internal thread through the hole 52, the threaded region being threadedly engaged with the internal thread.

As shown in fig. 8 and 9, in the present embodiment, the clutch member 46 includes a body 53 and a control portion 54 located on one side of the body 53 and extending outward, two second positioning structures are located on one side of the body 53 away from the control portion 54, the main transmission member 42 has a mounting groove 55, the clutch member 46 is slidably disposed in the mounting groove 55, one end of the elastic member 48 is engaged with the mounting groove 55, and the other end is engaged with the body 53 for making the clutch member 46 have a movement tendency to move outward;

the clutch mechanism 3 further includes a retaining portion 56 fixedly or detachably connected to the main transmission member 42, and the retaining portion 56 is configured to cooperate with the body 53 or the control portion 54 to prevent the clutch member 46 from being disengaged from the mounting groove 55.

The term "the retaining portion 56 is fixedly connected to the main transmission member 42" means that the retaining portion 56 is integrally connected to the main transmission member 42 or welded to the main transmission member 42.

As shown in fig. 1 and 9, in the present embodiment, the anti-falling part 56 is detachably mounted on the main transmission member 42, the anti-falling part 56 is a sealing piece, the main transmission member 42 has a sliding slot 58 matching with the sealing piece, and the sealing piece is used for being inserted into the sliding slot 58.

In other embodiments, as shown in fig. 14 and 15, the anti-slip part 56 may be an elastic ring, and when the anti-slip part 56 is an elastic ring, the main driving member 42 has a slot 62 for the elastic ring to be inserted into. The elastic clamp belongs to the elastic ring.

As shown in fig. 9, 10 and 11, in the present embodiment, the main transmission member 42 has a through hole 59 for the second positioning structure to pass through; the bottom wall of the mounting groove 55 also has a retaining groove 60 for mounting the resilient member 48.

In practice, there are one or more, in this embodiment 2, connecting members 45.

As shown in fig. 8 and 9, in the present embodiment, the axes of the two clutch pieces 43 coincide; the first locating features 44 are recesses and the second locating features are bumps.

As shown in fig. 1, the lock body further includes a clutch motor assembly 61, the clutch motor assembly 61 is used for driving the clutch member to move, so that the main transmission member and the two clutch blocks are both relatively fixed in the circumferential direction, that is, the clutch motor assembly can be matched with the control part to press the clutch member.

As shown in fig. 1 to 5, the latch mechanism 4 of the present embodiment includes:

the bolt assembly 25 is arranged on the lock shell 1 in a sliding mode, the bolt assembly 25 comprises a first connecting block 26 and a bolt 27 rotatably installed on the first connecting block 26, and a first matching part 28 is arranged on the first connecting block 26;

the bolt assembly resetting piece 29 is arranged on the lock shell 1 and is used for being matched with the bolt assembly 25, and when the bolt assembly 25 is not subjected to external force, the bolt 27 of the bolt assembly 25 penetrates out of the lock shell 1;

the locking plate 30 is arranged on the lock shell 1 in a sliding mode, the locking plate 30 is provided with a second matching portion 31 and a third matching portion 32, the locking plate 30 is provided with a locking working position and an unlocking working position, when the locking plate 30 is located at the locking working position, the bolt 27 penetrates out of the lock shell 1, the second matching portion 31 is matched with the first matching portion 28, the locking plate 30 can limit the bolt assembly 25 to move towards the inner side of the lock shell 1, when the limiting piece is located at the unlocking working position, the second matching portion 31 is separated from the first matching portion 28, and the bolt assembly 25 can move towards the inner side of the lock shell 1;

a latching plate restoring member 33 mounted on the lock case 1 for cooperating with the latching plate 30 to make the second cooperating portion 31 of the latching plate 30 have a tendency to move toward the first cooperating portion 28 side;

the inclined bolt assembly 34 is slidably arranged on the lock shell 1, the inclined bolt assembly 34 comprises a second connecting block 35 and an inclined bolt 36 rotatably arranged on the second connecting block 35, the second connecting block 35 is provided with a fourth matching portion 37, and the fourth matching portion 37 is used for matching with the third matching portion 32, so that when the inclined bolt 36 extends out of the lock shell 1, the fourth matching portion 37 can interact with the third matching portion 32, and the locking plate 30 is located at an unlocking working position;

and the inclined bolt resetting piece 38 is arranged on the lock shell 1 and is used for being matched with the inclined bolt assembly 34 so that the inclined bolt of the inclined bolt assembly 34 penetrates out of the lock shell 1.

The application adopts the working principle of the latch bolt mechanism 4: when the door is closed, the inclined bolt assembly 34 is pressed into the lock shell 1, at this time, the fourth matching part 37 of the inclined bolt assembly 34 does not drive the third matching part 32 to move, under the action of the bolt assembly resetting piece 29, the bolt 27 of the bolt assembly 25 penetrates out of the lock shell 1, under the action of the locking plate resetting piece 33, the second matching part 31 is matched with the first matching part 28, the locking plate 30 is in a locking working position, and at this time, the bolt assembly 25 cannot move towards the inner side of the lock shell 1; when the door is opened, the locking plate 30 is driven to move and is switched from the locking working position to the unlocking working position, after the door is opened, under the action of the inclined bolt resetting piece 38, the inclined bolt 36 of the inclined bolt assembly 34 extends out of the lock shell 1, and meanwhile, the fourth matching part 37 is matched with the third matching part 32, so that the locking plate 30 is in the unlocking working position.

The latch bolt mechanism 4 of the application, even if the latch bolt assembly 34 is pressed by mistake (make the latch bolt 36 retract into the lock shell 1 assembly) under the state of opening the door, after the hand release, through the effect of the latch bolt piece 38 that resets to one side, the latch bolt assembly 34 can reset, drives the locking plate 30 to resume to the unblock work position simultaneously, therefore is not afraid of the maloperation.

The latch bolt mechanism 4 is simple in locking and unlocking process and good in reliability and stability.

In the present embodiment, the first engaging portion 28 is a groove, and the second engaging portion 31 is a bump or a roller rotatably mounted on the locking plate 30. In other embodiments, the first engaging portion 28 is a protrusion or a roller rotatably mounted on the first connecting block 26, and the second engaging portion 31 is a groove.

In the present embodiment, the latch 27 is a two-way latch 27.

In practical use, the bolt assembly reset element 29 may be a spring, a spring plate, a tension spring or a torsion spring; the locking plate resetting piece 33 can be a spring, a spring plate, a tension spring or a torsion spring; the latch bolt return 38 may be a spring, a spring plate, a tension spring, or a torsion spring.

In the present embodiment, the moving direction of the locking plate 30 is perpendicular to the moving direction of the latch bolt assembly 25.

As shown in fig. 5, the third engaging portion 32 is a driving surface, and the fourth engaging portion 37 is a driving block.

As shown in fig. 5, in the present embodiment, the driving surface is a slope or a curved surface.

As shown in fig. 1, in the present embodiment, the main transmission member 42 of the clutch mechanism 3 is engaged with the transmission plate 19, the main transmission member 42 can drive the transmission plate 19 to rotate, and the second driving member 11 can be driven to rotate by the rotation of the transmission plate 19, so that the first driving member 8 is switched from the first working position to the second working position.

The working principle of the lock body is as follows: when the door is opened, the first driving member 8 is located at the second working position, the second positioning portion 14 of the positioning member 13 is matched with the first positioning portion 9 to position the first driving member 8, the bolt portion 6 retracts into the lock case 1, when the door is closed, only the positioning member 13 needs to be triggered to separate the second positioning portion 14 from the first positioning portion 9, at this time, under the action of the elastic element 12, the first driving member 8 can be moved from the second working position to the first working position, that is, under the action of the first driving member 8, the bolt portion 6 of the main bolt 5 penetrates out of the lock case 1, when the door is opened, the driving piece 19 is driven to rotate by the main driving member 42 of the clutch mechanism 3, the driving piece 19 drives the second driving member 11, the second driving member 11 drives the first driving member 8 to move to the second working position, at this time, the bolt portion 6 retracts into the lock case 1, under the action of the elastic reset member 15, the second positioning member 14 of the positioning member 13 is matched with the first positioning portion, the first drive member 8 is positioned.

As shown in fig. 1 and 4, the primary drive member 42 has a first portion 22 and a second portion 23, the first portion 22 being adapted to engage the drive strap 19,

as shown in fig. 1 and 4, the locking plate 30 further has an unlocking portion 41, and the unlocking portion 41 is configured to cooperate with the positioning member 13 when the locking plate 30 is in the locking working position, so as to overcome the elastic force of the elastic resetting member 15 of the positioning member and disengage the second positioning portion 14 from the first positioning portion 9; the locking plate 30 is also provided with a first pressure receiving part 39, the first pressure receiving part 39 is used for being matched with the second part 23 of the main transmission piece 42, and the locking plate 30 can be switched from the locking working position to the unlocking working position through the rotation of the main transmission piece 42;

as shown in fig. 1, in the present embodiment, the lock body further includes a mechanical lock 20 mounted on the lock case 1 and a sliding plate 24 slidably mounted on the main bolt 5 or the lock case 1; the locking plate 30 is also provided with a second pressure receiving part 40; the dial 21 of the mechanical lock 20 is used to cooperate with the first driving element 8 and the sliding plate 24 to switch the first driving element 8 from the first operating position to the second operating position, and to switch the locking plate 30 from the locking operating position to the unlocking operating position by driving the second pressure receiving portion 40 by the sliding plate 24.

When an electronic fault occurs, the mechanical lock 20 is inserted into the key to drive the shifting block 21 to rotate, so that the first driving piece 8 is switched from the first working position to the second working position, and the locking plate 30 is switched from the locking working position to the unlocking working position, thereby realizing the door opening operation.

The above description is only for the preferred embodiment of the present invention and is 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 can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.

Claims

1. A lock body comprises a lock shell, wherein a clutch mechanism and a main spring bolt mechanism are arranged on the lock shell; the main bolt mechanism includes:

2. The lock body of claim 1, wherein said clutch mechanism further comprises:

3. A lock body according to claim 2, wherein the clutch member includes a body and a control portion located at one side of the body and extending outward, two second positioning structures are located at one side of the body away from the control portion, the main transmission member has a mounting groove, the clutch member is slidably disposed in the mounting groove, one end of the elastic member is engaged with the mounting groove, and the other end of the elastic member is engaged with the body, so that the clutch member has a movement tendency to move outward;

4. The lock of claim 2, further comprising a clutch motor assembly for driving the clutch member to move such that the primary driving member and the two clutch plates are circumferentially fixed relative to each other.

5. A lock body according to claim 1, wherein said primary drive member has a first portion and a second portion, said first portion being adapted to engage with the drive strap, the lock body further comprising a deadbolt mechanism, said deadbolt mechanism comprising:

6. A lock according to claim 5, wherein the lock further comprises a mechanical lock mounted on the housing and a slide plate slidably mounted on the main bolt or on the housing; the locking plate is also provided with a second pressure receiving part; the shifting block of the mechanical lock is used for being matched with the first driving piece and the sliding plate, so that the first driving piece is switched from a first working position to a second working position, the sliding plate drives the second pressure receiving part, and the locking plate is switched from a locking working position to an unlocking working position.

7. A lock body according to claim 6, characterized in that said first compression part and said second compression part are located at different parts or at the same part of the locking plate.

8. A lock body as claimed in claim 5, wherein the second driving member is rotatably mounted on the lock housing, the first driving member having a first tooth and the second driving member having a second tooth, the first tooth being in engagement with the second tooth.

9. A lock according to claim 5, wherein the keeper is rotatably or slidably mounted in the housing.

10. A lock body according to claim 5, characterized in that said resilient member comprises a first member and a second member, said first member cooperating with the second driver and said second member cooperating with the first driver; the first element is a spring or a spring sheet, and the second element is a spring or a spring sheet.