CN114215425B

CN114215425B - Mechanical unlocking mechanism of automatic lock body and automatic lock body

Info

Publication number: CN114215425B
Application number: CN202111553739.1A
Authority: CN
Inventors: 肖钧
Original assignee: Laeveo Smart Technology Co ltd
Current assignee: Laeveo Smart Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-09-16
Anticipated expiration: 2041-12-17
Also published as: CN114215425A

Abstract

The application discloses a mechanical unlocking mechanism of an automatic lock body and the automatic lock body, wherein the mechanical unlocking mechanism comprises a handle shifting block, a clutch plate, a transmission plate, an unlocking plate, a lock cylinder and unlocking teeth; the handle shifting block is provided with a first handle shifting block arm; the clutch plate is rotatably arranged on the lock shell and is provided with a clutch part and a clutch arm matched with the first handle shifting block arm; the clutch plate is movably arranged on the lock shell and is provided with a first matching part and a second matching part, the second matching part is matched with the clutch part, and the clutch plate can move under the driving of the clutch part; the transmission plate is rotatably arranged on the lock shell and is used for driving the main bolt assembly to retract into the lock shell; the unlocking plate is rotatably arranged on the lock shell and is provided with an unlocking arm and an unlocking part, the unlocking part is matched with the first matching part, and the unlocking arm is used for being matched with the main bolt locking plate; the unlocking tooth is arranged on the main bolt assembly. This application both can carry out the unblock through the handle, can pass through lock core unblock again and lock, and the unblock form is various, convenient to use.

Description

Mechanical unlocking mechanism of automatic lock body and automatic lock body

Technical Field

The invention relates to the field of locks, in particular to a mechanical unlocking mechanism of an automatic lock body and the automatic lock body.

Background

The existing full-automatic lock body can only be unlocked through the lock cylinder after power failure, namely, a key is used for unlocking, mechanical unlocking cannot be performed through a handle, and the lock is inconvenient to use.

Disclosure of Invention

The invention provides a mechanical unlocking mechanism of an automatic lock body and the automatic lock body aiming at the problems.

The technical scheme adopted by the invention is as follows:

a mechanical unlocking mechanism of an automatic lock body is arranged on a lock shell of the automatic lock body and comprises a handle shifting block, a clutch plate, a transmission plate, an unlocking plate, a lock cylinder and unlocking teeth;

the handle shifting block is rotatably arranged on the lock shell and is used for being directly or indirectly connected with a handle, the handle shifting block can be driven to rotate when the handle rotates, and the handle shifting block is provided with a first handle shifting block arm;

the clutch plate is rotatably arranged on the lock shell and provided with a clutch part and clutch arms matched with the first handle shifting block arms, and the clutch arms and the clutch part are respectively positioned on two sides of a rotating axis of the clutch plate;

the clutch plate is movably arranged on the lock shell and is used for being matched with a driving mechanism with a clutch structure on the automatic lock body, the clutch plate is provided with a first matching part and a second matching part, the second matching part is matched with the clutch part, and the clutch plate can move under the driving of the clutch part;

the transmission plate is rotatably arranged on the lock shell and is used for matching with a main spring bolt assembly of the automatic lock body to drive the main spring bolt assembly to retract into the lock shell;

the unlocking plate is rotatably arranged on the lock shell and provided with an unlocking arm and an unlocking part, the unlocking part is matched with the first matching part, and the unlocking arm is used for being matched with a main bolt locking plate of the automatic lock body;

the unlocking teeth are arranged on a main lock tongue component of the automatic lock body;

the handle shifting block is provided with a handle unlocking working position, when the handle unlocking working position is reached, the handle shifting block rotates, a first handle shifting block arm firstly contacts with a clutch arm of a clutch plate to drive the clutch plate to rotate, then the first handle shifting block arm is matched with a transmission plate to drive the transmission plate to rotate so as to retract a main spring bolt assembly of the automatic lock body into a lock shell, after the clutch plate rotates, a clutch part of the clutch plate is matched with a second matching part of the clutch plate to drive the clutch plate to move, so that a driving mechanism with a clutch structure of the automatic lock body is in a separation state, meanwhile, a first matching part of the clutch plate is matched with an unlocking part of the unlocking plate to drive the unlocking plate to rotate, an unlocking arm of the unlocking plate is matched with the main spring bolt locking plate of the automatic lock body, and the main spring bolt no longer locks the main spring bolt assembly of the automatic lock body;

the lock core is arranged on the lock shell, when the lock core works, a key is inserted into the lock core to drive the lock core shifting block to rotate, and the lock core shifting block is firstly matched with the unlocking plate and then matched with the unlocking teeth; when the lock cylinder shifting block is matched with the unlocking plate, the lock cylinder shifting block drives the unlocking plate to rotate, the unlocking part of the unlocking plate is matched with the first matching part to drive the clutch plate to move, so that the driving mechanism with the clutch structure of the automatic lock body is in a separated state, the unlocking part of the unlocking plate is matched with the main lock tongue locking plate of the automatic lock body, and the main lock tongue locking plate is not used for locking the main lock tongue assembly of the automatic lock body; when the lock core shifting block is matched with the unlocking teeth, the main bolt assembly is driven to extend out of or retract into the lock shell through the unlocking teeth.

Through the rotation of handle shifting block, can carry out mechanical unlocking, convenient to use. When handle unblock work position, first handle shifting block arm contacts with the separation and reunion arm of separation and reunion piece earlier, and the main objective is in the separation state (when actuating mechanism is not in the separation state, the driving plate is difficult to drive and removes main spring bolt subassembly), and makes the main spring bolt subassembly that main spring bolt lockplate no longer locks automatic lock body, then again through cooperating with the driving plate, in the lock shell with main spring bolt subassembly withdrawal under the effect of driving plate.

When no electricity or power unit goes wrong, insert the lock core through the key, drive the lock core shifting block and rotate, can realize reliable and stable mechanical unblock and lock operation.

During the actual application, the handle can be through connecting rod (for example square steel) and handle shifting block lug connection, also can be through being connected with transmission structure is indirect. It should be noted that the handle in the present application is not limited to a door handle, and may be a knob attached to an automatic lock body or a lock.

In one embodiment of the invention, the handle shifting block is further provided with a second handle shifting block arm, the second handle shifting block arm is used for being matched with the latch bolt assembly of the automatic lock body, and when the main bolt assembly retracts into the lock shell or retracts into the lock shell, the second handle shifting block arm is used for driving the latch bolt assembly to move, so that the latch bolt assembly retracts into the lock shell.

In one embodiment of the present invention, the clutch portion is a convex pillar, and the second matching portion is a second concave hole, or the clutch portion is a second concave hole, and the second matching portion is a convex pillar extending into the second concave hole.

In one embodiment of the present invention, the clutch portion is a convex pillar, and the second matching portion is a second concave hole; the second concave hole penetrates through the clutch plate, the rotating shaft of the clutch plate extends into the second concave hole, and the clutch part also extends into the second concave hole. By such a design, the structure can be arranged more compactly.

In one embodiment of the present invention, the automatic lock further includes a clutch elastic resetting member engaged with the clutch plate, and the clutch elastic resetting member is configured to reset the clutch plate when the clutch plate is not subjected to an external force, so that the driving mechanism with the clutch structure of the automatic lock body is in a closed state.

In one embodiment of the present invention, the first matching portion is a first concave hole, and the unlocking portion is a convex pillar extending into the first concave hole.

In one embodiment of the present invention, the rotating shaft of the unlocking plate extends into the first recess hole. By such a design, the structure can be arranged more compactly.

In one embodiment of the invention, the first matching portion is a first concave hole, the unlocking portion is a convex column extending into the first concave hole, a limit notch is formed in a side wall of the first concave hole, the side wall of the limit notch comprises a first part and a second part, when the handle shifting block is located at a handle unlocking working position, the clutch plate is matched with the unlocking portion through the first part of the limit notch to drive the unlocking portion to rotate, and when the lock cylinder works and drives the unlocking member to rotate through the lock cylinder shifting block, the unlocking portion is matched with the second part of the limit notch to drive the unlocking plate to move.

In one embodiment of the present invention, the unlocking plate has an arc-shaped surface, and the arc-shaped surface is matched with the lock cylinder shifting block.

The arc-shaped surface is arranged, so that the lock cylinder shifting block can enable the driving mechanism with the clutch structure to be in a separation state when contacting with the arc-shaped surface, and the main spring bolt locking plate can not lock the main spring bolt assembly any more, and at the moment, the main spring bolt assembly can be driven to extend out of or retract into the lock shell through the matching of the lock cylinder shifting block and the unlocking teeth.

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

the latch bolt shifting piece is rotatably arranged on the lock body and is provided with a first latch bolt shifting piece arm and a second latch bolt shifting piece arm, and the first latch bolt shifting piece arm is used for being matched with a latch bolt component of the automatic lock body;

the lock head shifting piece is slidably arranged on the main lock tongue component of the automatic lock body and is used for being matched with the lock core shifting block and the second latch bolt shifting piece arm; and

the lock head shifting piece resetting piece is matched with the lock head shifting piece, and the lock head shifting piece is reset when the lock core shifting block does not apply acting force on the lock head shifting piece;

when the main spring bolt component retracts into the lock shell or retracts into the lock shell, the lock head shifting piece is close to the lock core, the lock head shifting piece can be driven to move after being rotated by the lock core shifting piece, the lock head shifting piece is matched with the second latch bolt shifting piece arm to drive the latch bolt shifting piece to rotate, and the latch bolt shifting piece drives the latch bolt component of the automatic lock body to retract into the lock shell through the first latch bolt shifting piece arm.

In one embodiment of the invention, the latch poking piece is rotatably mounted on the handle poking block. The arrangement is more compact.

The latch bolt shifting piece is rotatably arranged on the handle shifting block, the rotating axes of the latch bolt shifting piece and the handle shifting block are overlapped, the actual structure can be in various forms, and the latch bolt shifting piece is rotatably arranged on the rotating shaft of the handle shifting block.

The application also discloses an automatic lock body, which comprises a lock shell, a driving mechanism with a clutch structure, a main transmission piece, a main spring bolt assembly, a main spring bolt locking plate, an oblique spring bolt assembly and the mechanical unlocking mechanism, wherein the driving mechanism, the main transmission piece, the main spring bolt assembly, the main spring bolt locking plate and the oblique spring bolt assembly are arranged on the lock shell;

the driving mechanism with the clutch structure is used for driving the main transmission piece to rotate, and the driving mechanism with the clutch structure has a separation state and a folding state;

the main transmission piece is used for being matched with the main spring bolt assembly and the main spring bolt locking plate to drive the main spring bolt assembly to extend out of the lock shell or retract into the lock shell.

In one embodiment of the present invention, the main bolt assembly includes a main bolt and a sliding plate connected to the main bolt, the unlocking tooth is disposed on the sliding plate, and the sliding plate has a retracting portion and a positioning groove;

the transmission plate is matched with the retraction part and drives the sliding plate to move towards the inner side of the lock shell through the retraction part;

the main lock tongue locking plate is provided with a positioning tooth embedded into the positioning groove, and the main lock tongue locking plate is also provided with a pressed part matched with the unlocking arm;

the automatic lock body further comprises an elastic reset piece of the main lock tongue locking plate, the elastic reset piece of the main lock tongue locking plate is used for enabling the positioning teeth of the main lock tongue locking plate to have a movement trend moving towards one side of the positioning groove, and when the main rotating piece rotates, the main lock tongue locking plate can be driven to move, so that the positioning teeth are separated from the positioning groove.

In an embodiment of the present invention, the driving mechanism with a clutch structure includes:

the transmission gear is rotatably arranged on the lock shell;

the motor is arranged on the lock shell and is provided with an output shaft; and

the hollow output gear is slidably sleeved on the output shaft in a sleeved mode and can reciprocate along the length direction of the output shaft, the output gear and the output shaft are relatively fixed in the circumferential direction, the output gear is provided with a separation working position and a folding working position, when the output gear is in the separation working position, the output gear moves to one side far away from the transmission gear and is not meshed with the transmission gear, when the output gear is in the folding working position, the output gear moves to the transmission gear, and the output gear is meshed with the transmission gear; the clutch plate is connected with the output gear, the output gear can rotate relative to the clutch plate, and the clutch plate drives the output gear to move along the output shaft when moving.

When the output gear is at the separation working position, the driving mechanism with the clutch structure is in a separation state, and the motor cannot drive the main transmission piece to rotate at the moment; when the output gear is at the folding working position, the driving mechanism with the clutch structure is in a folding state, and at the moment, the motor rotates to drive the main transmission piece to rotate.

The invention has the beneficial effects that: this application both can carry out the unblock through the handle, can pass through lock core unblock again and lock, and the unblock form is various, convenient to use.

Description of the drawings:

fig. 1 is a schematic structural view of an automatic lock body with a handle installed;

FIG. 2 is a schematic view of the latch bolt extending out of the lock housing;

FIG. 3 is a schematic view of the deadbolt retraction lock housing;

FIG. 4 is an exploded view of the latch bolt assembly;

FIG. 5 is an exploded view of another skew tongue assembly;

FIG. 6 is a schematic view of the driving mechanism with the output gear in the closed position;

FIG. 7 is a schematic view of the drive mechanism with the output gear in the disengaged operating position;

FIG. 8 is an exploded view of the drive mechanism;

FIG. 9 is a schematic view of the main drive, skew bolt assembly, handle shift block, and skew bolt shift plate;

FIG. 10 is a schematic view of the automatic lock with both the deadbolt assembly and the main bolt assembly extended out of the housing;

FIG. 11 is a schematic view of FIG. 10 with the clutch plate hidden;

FIG. 12 is a schematic view of the drive mechanism, the deadbolt assembly, the main bolt assembly and the mechanical release mechanism with both the deadbolt assembly and the main bolt assembly extended out of the lock housing;

FIG. 13 is a partial exploded view of FIG. 12;

FIG. 14 is a partial exploded view at another angle of FIG. 12;

FIG. 15 is a more complete partial exploded view at another angle from FIG. 12;

FIG. 16 is a schematic view of the main bolt assembly being retracted into the housing by the main drive member;

FIG. 17 is a schematic view of the main bolt assembly and the deadbolt assembly both being retracted into the housing by the main drive;

FIG. 18 is a schematic view of the handle paddle rotating to retract both the main bolt assembly and the deadbolt assembly into the housing;

FIG. 19 is the schematic view of FIG. 18 with the clutch plate removed;

FIG. 20 is a schematic view of the automatic lock body after the cylinder tumblers have been rotated into contact with the unlocking plate;

FIG. 21 is a schematic view of the skew tongue assembly, drive mechanism, and mechanical unlocking mechanism after the cylinder tumblers have been rotated into contact with the unlocking plate;

FIG. 22 is a schematic view of the lock cylinder paddle shown in a rotated position in contact with the unlocking plate, with the lock cylinder and clutch plate concealed;

FIG. 23 is a schematic view of the reset plate engaging the primary drive member with the drive mechanism disengaged;

FIG. 24 is a schematic view of FIG. 23 with portions broken away;

FIG. 25 is a schematic view of the cylinder tumblers and the cylinder tumblers causing retraction of the deadbolt assembly into the housing;

figure 26 is a partial exploded view of an automatic lock body with a plurality of sensors mounted for detecting position status;

figure 27 is a schematic view of an alternative automatic lock body with the clutch plate removed;

fig. 28 is a view of fig. 27 with portions of the parts hidden and rotated at an angle.

The figures are numbered:

1. a lock case; 2. a latch bolt assembly; 3. a drive mechanism; 4. a latch bracket; 5. a limiting hole; 6. a latch bolt; 7. the latch bolt elastic reset piece; 8. a clamping block; 9. a reversing nail; 10. a strip-shaped groove; 11. mounting grooves; 12. a guide bar; 13. a guide member; 14. a guide hole; 15. a latch pull plate; 16. a card slot; 17. a clamping arm; 18. a working sidewall; 19. an oblique tongue hole; 20. a transmission gear; 21. a motor; 22. an output shaft; 23. an output gear; 24. a clutch elastic reset piece; 25. a clutch plate; 26. an axle; 27. a reinforcing groove; 28. a small diameter part; 29. a first conical tooth; 30. a second tapered tooth; 31. a first drive tooth; 32. a main transmission member; 33. a second gear; 34. a handle shifting block; 35. a handle; 36. a clutch plate; 37. a drive plate; 38. an unlocking plate; 39. a first lever handle shifting block arm; 40. a second lever handle shifting block arm; 41. a clutch section; 42. a clutch arm; 43. a first mating portion; 44. a second mating portion; 45. an unlocking arm; 46. an unlocking portion; 47. a primary bolt locking plate; 48. a main bolt assembly; 49. a main bolt; 50. a sliding plate; 51. a retraction section; 52. positioning a groove; 53. positioning teeth; 54. a pressure receiving portion; 55. the main bolt locking plate elastic reset piece; 56. a lock cylinder; 57. a lock cylinder shifting block; 58. a latch-tongue poking piece; 59. a first latch tongue pick-up arm; 60. a second latch tongue pick arm; 61. a lock head plectrum; 62. a lock head plectrum reset piece; 63. a limiting notch; 64. a first portion; 65. a second portion; 66. a latch bolt toggle piece; 67. a latch toggle first arm; 68. a latch bolt toggle piece second arm; 69. a shifting block; 70. an auxiliary toggle block; 71. a limiting block; 72. a slider; 73. the sliding part is an elastic resetting part; 74. a compression tooth; 75. a first engagement arm; 76. a second mating arm; 77. a reset plate; 78. a reset plate elastic reset member; 79. detecting a tongue assembly; 80. a top and bottom lock assembly; 81. a safety tongue assembly; 82. a sensor; 83. an arc-shaped surface; 84. the drive teeth.

The specific implementation mode is as follows:

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

Example 1

As shown in fig. 1 to 25, an automatic lock body includes: a lock case 1; the latch bolt component 2 is arranged on the lock shell 1; a main bolt assembly 48 mounted on the housing 1; the main transmission piece 32 is rotatably arranged on the lock shell 1 and is matched with the main bolt assembly 48 to drive the main bolt assembly 48 to extend out of the lock shell 1 or retract into the lock shell 1; the driving mechanism 3 is arranged on the lock shell 1 and is used for driving the main transmission piece 32 to rotate; and the latch bolt withdrawing structure is arranged on the main bolt assembly 48, is matched with the main transmission piece 32 and the latch bolt assembly 2, and is used for driving the latch bolt assembly 2 to withdraw into the lock shell 1 under the driving of the main transmission piece 32 when the main bolt assembly 48 is withdrawn into the lock shell 1 or after being withdrawn into the lock shell 1.

This application actuating mechanism 3 can drive main driving medium 32 and rotate, and main driving medium 32 drives main spring bolt subassembly 48 earlier and withdraws and lock shell 1, and then the rethread latch bolt is withdrawed the structure and is driven latch bolt subassembly 2 withdrawal and lock shell 1, can realize full-automatic main spring bolt subassembly 48 and the latch bolt subassembly 2 of withdrawing.

As shown in fig. 10 to 15, the main latch bolt assembly 48 of the present embodiment includes a main latch bolt 49 and a sliding plate 50 connected to the main latch bolt 49. As shown in fig. 11, 13 and 19, the slide plate 50 has a retraction portion 51 thereon.

As shown in fig. 9, 13, 16 and 17, in the present embodiment, the main transmission member 32 has at least one shifting block 69 and at least one auxiliary shifting block 70, the shifting block 69 is engaged with the main bolt assembly 48 to extend the main bolt assembly 48 out of the lock case 1 or retract the main bolt assembly 48 into the lock case 1; the latch bolt retracting structure comprises a latch bolt toggle 66 rotatably mounted on the main latch bolt assembly 48 (in this embodiment rotatably mounted on the slide plate 50), the latch bolt toggle 66 having a latch bolt toggle first arm 67 and a latch bolt toggle second arm 68, the latch bolt toggle first arm 67 being for cooperating with the latch bolt assembly 2; the auxiliary toggle block 70 is used for cooperating with the latch bolt toggle member second arm 68 when the main latch bolt assembly 48 retracts into the lock case 1 or after retracting into the lock case 1, so as to drive the latch bolt toggle member 66 to rotate, so that the latch bolt toggle member first arm 67 drives the latch bolt assembly 2 to retract into the lock case 1.

The latch bolt withdrawing structure is simple and ingenious in structure, the latch bolt poking piece 66 arranged on the main latch bolt assembly 48 can enable the latch bolt poking piece first arm 67 to drive the latch bolt assembly 2 to retract into the lock shell 1 through the matching of the auxiliary poking piece 70 and the latch bolt poking piece second arm 68 when the main transmission piece 32 drives the main latch bolt assembly 48 to retract into the lock shell 1 or after the main transmission piece is retracted into the lock shell 1, and therefore the retraction of the main latch bolt assembly 48 and the latch bolt assembly 2 can be achieved fully automatically.

As shown in fig. 13, in the present embodiment, the latch further includes a limiting block 71 disposed on the main latch bolt assembly 48, and the limiting block 71 is used for limiting the rotation angle of the latch bolt toggle member 66. In actual use, the main bolt assembly 48 may be further provided with a latch bolt toggle 66 reset piece, and the latch bolt toggle 66 reset piece is used for rotating and resetting when the latch bolt toggle 66 reset piece is not driven by the auxiliary toggle block 70.

As shown in fig. 2 to 5, the latch bolt assembly 2 of the present embodiment includes a latch bolt 6 slidably mounted on the lock case 1, and a latch bolt elastic restoring member 7 for directly or indirectly engaging with the latch bolt 6 so that a bolt end of the latch bolt 6 can pass through the lock case 1 when not subjected to an external force, wherein the latch bolt activating member first arm 67 is used for directly or indirectly driving the latch bolt 6 to move.

As shown in fig. 2 to 5, in the present embodiment, the latch bolt assembly 2 further includes a latch bolt bracket 4, the latch bolt bracket 4 is mounted on the lock housing 1, the latch bolt bracket 4 has a limiting hole 5, and the latch bolt 6 is slidably mounted on the limiting hole 5 of the latch bolt bracket 4. The inclined tongue support 4 with the limiting hole 5 is arranged, so that the inclined tongue 6 can be stressed better, and the inclined tongue 6 is strong in bearing capacity and not easy to clamp.

The latch bolt support 4 is arranged on the lock shell 1, and comprises the latch bolt support 4 which is arranged on the lock shell 1 in a clamping, welding, screwing, riveting, bonding and other modes, and also comprises the condition of being integrally formed with the lock shell 1.

In practical use, one form of clamping is that the latch bolt bracket 4 is provided with a clamping block 8, and the lock shell 1 is provided with a clamping hole matched with the clamping block 8.

In the embodiment, the latch tongue 6 has a circular outer side wall, and the limiting hole 5 is matched with the outer side wall of the latch tongue 6. The circular outer side wall means that the cross section of the latch bolt 6 is circular (the latch bolt is not limited to be complete circular in the application), the outer side wall of the latch bolt 6 is matched with the circular limiting hole 5, the stress effect is good, the latch bolt 6 can be stressed at 360 degrees, and the latch bolt 6 is not easy to clamp.

In this embodiment, the lateral wall of the latch bolt 6 is provided with a reversing nail 9, the lateral wall of the limiting hole 5 is provided with two strip-shaped grooves 10 which are uniformly distributed around the axis of the limiting hole 5, and the reversing nail 9 extends into the strip-shaped grooves 10.

The latch bolt 6 can be prevented from rotating around the axis of the latch bolt by the matching of the reversing nail 9 and the strip-shaped groove 10; set up two bar grooves 10, conveniently adjust the installation direction of latch bolt 6, during actual operation, make the switching-over nail 9 no longer imbed bar groove 10, latch bolt 6 can rotate this moment, rotates latch bolt 6 180, then makes the switching-over nail 9 imbed another bar groove 10.

It should be noted that the two grooves 10 described in the present application may not be exactly the same in actual shape, length, and the like.

In this embodiment, the outer side wall of the latch tongue 6 has a mounting groove 11, and the reversing pin 9 is a resilient pin assembly mounted in the mounting groove 11.

In this embodiment, the elastic pin assembly includes a pin having a limit step, a cover screwed on the mounting groove 11, and a spring sleeved on the pin and located in the mounting groove 11, wherein one end of the pin penetrates through the cover.

This kind of structure convenient operation, during the actual switching-over, can press the round pin into mounting groove 11 through the instrument that passes strip groove 10, the latch tongue 6 can rotate this moment, after the round pin rotates 180, corresponds with another strip groove 10 this moment, and under the effect of spring, the round pin pops out and imbeds this strip groove 10.

In this embodiment, the latch bolt 6 has a guiding rod 12, the latch bolt assembly 2 further includes a guiding member 13 mounted on the lock housing 1, the guiding member 13 has a guiding hole 14, the guiding hole 14 is coaxial with the limiting hole 5, and the guiding rod 12 of the latch bolt 6 is slidably mounted on the guiding hole 14.

The provision of the guide member 13 having the guide hole 14 enables the latch tongue 6 to be well defined, ensuring reliable reciprocating movement of the latch tongue 6.

In the present embodiment, the latch bracket 4 and the guide 13 are fixed to each other or integrally formed.

When mutually fixed or integrated into one piece, the concentricity can be better, and the structure is more reliable.

In the embodiment, the device also comprises an inclined tongue pulling plate 15, the inclined tongue pulling plate 15 is in clamping fit with the inclined tongue 6, and the inclined tongue elastic resetting piece 7 is used for applying elastic force to the inclined tongue pulling plate 15; the latch bolt elastic reset piece 7 is a spring which is sleeved on the guide rod 12, one end of the latch bolt elastic reset piece 7 is matched with the guide piece 13, and the other end of the latch bolt elastic reset piece 7 is matched with the latch bolt pulling plate 15. The latch tongue pulling plate 15 and the latch tongue 6 are in snap fit in the present application, which includes the case of overlapping, for example, the latch tongue 6 has a slot 16, and the latch tongue pulling plate 15 has a latch arm 17 inserted into the slot 16.

In the present embodiment, as shown in fig. 17, the latch pull first arm 67 is used to cooperate with the latch pull plate 15, and the latch pull plate 15 drives the latch 6 to move.

As shown in fig. 3, in the present embodiment, one side wall of the lock case 1 is a working side wall 18, the working side wall 18 has a latch bolt hole 19 for the latch bolt 6 to pass through, and the latch bolt support 4 is located in the lock case 1 and abuts against or is in clearance fit with the working side wall 18; the length of the limiting hole 5 is more than twice the thickness of the working side wall 18.

The driving mechanism 3 of the present embodiment is a driving mechanism 3 with a clutch structure, the main transmission member 32 is driven by the driving mechanism 3 to rotate, and the driving mechanism 3 with the clutch structure has a separated state and a folded state.

As shown in fig. 6 to 8, the drive mechanism 3 of the present embodiment includes:

the transmission gear 20 is rotatably arranged on the lock shell 1;

a motor 21 mounted on the lock case 1 and having an output shaft 22;

the hollow output gear 23 is slidably sleeved on the output shaft 22 and can reciprocate along the length direction of the output shaft 22, the output gear 23 and the output shaft 22 are relatively fixed in the circumferential direction, the output gear 23 is provided with a separation working position and a folding working position, when the output gear 23 is in the separation working position, the output gear 23 moves to one side far away from the transmission gear 20, the output gear 23 is not meshed with the transmission gear 20, when the output gear 23 is in the folding working position, the output gear 23 moves to the transmission gear 20, and the output gear 23 is meshed with the transmission gear 20.

The output gear 23 of this application direct slidable mounting has saved the clutch slide, and spare part is still less, simple structure for current structure on output shaft 22.

The output gear 23 and the output shaft 22 are relatively fixed in the circumferential direction, that is, the output shaft 22 rotates to drive the output gear 23 to rotate synchronously, when in actual use, the inner side wall of the output gear 23 is not a standard circle, the outer profile of the cross section of the output shaft 22 is matched with the cross section profile of the inner side wall of the output gear 23, for example, the outer profile of the cross section of the output shaft 22 is a circle with a section cut, for example, a rectangle, and the like, except the above manner, the sliding outer sleeve can be fixed in the circumferential direction by other existing manners, for example, the inner side wall of the output gear 23 is provided with a strip-shaped groove, and the side wall of the output shaft 22 is provided with a convex structure extending into the groove of the output gear 23.

When the output gear 23 is at the separation working position, the driving mechanism 3 with the clutch structure is in a separation state, and at the moment, the motor 21 cannot drive the main transmission member 32 to rotate; when the output gear 23 is at the folding working position, the driving mechanism 3 with the clutch structure is in the folding state, and at this time, the motor 21 rotates to drive the main transmission member 32 to rotate.

In this embodiment, the output gear 23 has a latch slot 16, the clutch plate 25 has a latch arm 17, and the latch arm 17 is latched to the latch slot 16. The clamping groove 16 is annular, and the clamping arm 17 is arc-shaped.

In this embodiment, the lock further comprises an axle 26 mounted on the lock case 1, the output gear 23 is fixed to the axle 26 or is rotatably engaged with the axle 26, the axle 26 has an annular reinforcing groove 27, and the end of the output shaft 22 extends into the reinforcing groove 27. The reinforcing groove 27 is used for supporting and limiting the output shaft 22, so that the stability of the output shaft 22 can be enhanced, and the stress of the output shaft is better.

In the present embodiment, the end of the output shaft 22 has a small diameter portion 28, and the small diameter portion 28 extends into the reinforcement groove 27. The output gear 23 has a first conical tooth 29 and the transmission gear 20 has a second conical tooth 30 cooperating with the first conical tooth 29. The drive gear 20 also has a first drive tooth 31 thereon. The main transmission element 32 has a second transmission toothing 33, the second transmission toothing 33 of the main transmission element 32 being in direct engagement with the first transmission toothing 31 of the transmission gear 20, or being in engagement via one or more transfer gears

As shown in fig. 9 to 25, the mechanical unlocking mechanism of the present embodiment includes a handle knob 34, a clutch plate 36, a clutch plate 25, a transmission plate 37, an unlocking plate 38, a lock cylinder 56, and unlocking teeth;

the handle shifting block 34 is rotatably arranged on the lock shell 1 and is used for being directly or indirectly connected with the handle 35, the handle shifting block 34 can be driven to rotate when the handle 35 rotates, and the handle shifting block 34 is provided with a first handle shifting block arm 39;

the clutch plate 36 is rotatably installed on the lock shell 1, the clutch plate 36 is provided with a clutch part 41 and a clutch arm 42 matched with the first handle shifting block arm 39, and the clutch arm 42 and the clutch part 41 are respectively positioned at two sides of the rotation axis of the clutch plate 36;

the clutch plate 25 is movably mounted on the lock case 1 and is used for being matched with a driving mechanism 3 with a clutch structure on the automatic lock body, the clutch plate 25 is provided with a first matching part 43 and a second matching part 44, the second matching part 44 is matched with the clutch part 41, and the clutch plate 25 can move under the driving of the clutch part 41;

the transmission plate 37 is rotatably installed on the lock shell 1, and the transmission plate 37 is used for matching with a main bolt assembly 48 of the automatic lock body to drive the main bolt assembly 48 to retract into the lock shell 1;

the unlocking plate 38 is rotatably mounted on the lock case 1, the unlocking plate 38 is provided with an unlocking arm 45 and an unlocking part 46, the unlocking part 46 is matched with the first matching part 43, and the unlocking arm 45 is used for being matched with a main bolt locking plate 47 of the automatic lock body;

the unlocking tooth is arranged on the main bolt assembly 48 of the automatic lock body;

the handle shifting block 34 is provided with a handle 35 unlocking working position, when the handle 35 unlocks the working position (see figures 18 and 19), the handle shifting block 34 rotates, the first handle shifting block arm 39 firstly contacts with the clutch arm 42 of the clutch plate 36 to drive the clutch plate 36 to rotate, then cooperates with the driving plate 37 to drive the driving plate 37 to rotate to retract the main bolt assembly 48 of the automatic lock body into the lock case 1, after the clutch plate 36 rotates, the clutch part 41 of the clutch plate 36 is engaged with the second engaging part 44 of the clutch plate 25, so as to drive the clutch plate 25 to move, so that the driving mechanism 3 with a clutch structure of the automatic lock body is in a separated state, meanwhile, the first matching part 43 of the clutch plate 25 is matched with the unlocking part 46 of the unlocking plate 38 to drive the unlocking plate 38 to rotate, and the unlocking arm 45 of the unlocking plate 38 is matched with the main bolt locking plate 47 of the automatic lock body, so that the main bolt locking plate 47 no longer locks the main bolt assembly 48 of the automatic lock body;

the lock cylinder 56 is arranged on the lock shell 1, when the lock cylinder 56 works, a key is inserted into the lock cylinder 56 to drive the lock cylinder shifting block 57 to rotate, and the lock cylinder shifting block 57 is firstly matched with the unlocking plate 38 and then matched with the unlocking teeth; when the lock cylinder shifting block 57 is matched with the unlocking plate 38 (see fig. 20, 21 and 22), the lock cylinder shifting block 57 drives the unlocking plate 38 to rotate, the unlocking part 46 of the unlocking plate 38 is matched with the first matching part 43 to drive the clutch plate 25 to move, so that the driving mechanism 3 with the clutch structure of the automatic lock body is in a separated state, the unlocking part 46 of the unlocking plate 38 is matched with the main bolt locking plate 47 of the automatic lock body, and the main bolt locking plate 47 is not used for locking the main bolt assembly 48 of the automatic lock body; when the plug driver 57 engages the unlocking teeth (see fig. 15 and 25), the master bolt assembly 48 is driven by the unlocking teeth to extend or retract into the housing 1.

Mechanical unlocking can be carried out through rotation of the handle shifting block 34, and the use is convenient. When the handle 35 unlocks the work position, the first handle shifting block arm 39 firstly contacts with the clutch arm 42 of the clutch plate 36, and the main purpose is to enable the driving mechanism 3 to be in a separation state (when the driving mechanism 3 is not in the separation state, the transmission plate 37 is difficult to drive the main bolt assembly 48 to move), and enable the main bolt locking plate 47 to no longer lock the main bolt assembly 48 of the automatic lock body, and then the main bolt assembly 48 is retracted into the lock shell 1 under the action of the transmission plate 37 through matching with the transmission plate 37.

When no electricity exists or a power mechanism has a problem, a key is inserted into the lock cylinder 56 to drive the lock cylinder shifting block 57 to rotate, and therefore stable and reliable mechanical unlocking and locking operations can be achieved.

During actual use, the handle 35 can be directly connected with the handle shifting block 34 through a connecting rod (such as square steel) or indirectly connected with a transmission structure. The handle 35 is not limited to a door handle, and may be a knob attached to an automatic lock body or a lock.

As shown in fig. 11 and 19, the driving plate 37 is engaged with the retracting portion 51, and the driving plate 37 drives the sliding plate 50 to move toward the inside of the lock case through the retracting portion 51.

As shown in fig. 15 and 19, in this embodiment, the handle shifting block 34 further has a second handle shifting block arm 40, the second handle shifting block arm 40 is configured to cooperate with the latch bolt assembly 2 of the automatic lock body, and when the main bolt assembly 48 is retracted into the lock case 1 or after being retracted into the lock case 1, the second handle shifting block arm 40 is configured to drive the latch bolt assembly 2 to move, so that the latch bolt assembly 2 is retracted into the lock case 1.

In this embodiment, the clutch portion 41 is a convex pillar and the second matching portion 44 is a second concave hole, or the clutch portion 41 is a second concave hole and the second matching portion 44 is a convex pillar extending into the second concave hole. The second recess hole runs through the clutch plate 25, into which the axis of rotation of the clutch plate 36 extends, into which the clutch part 41 also extends. By such a design, the structure can be arranged more compactly.

In this embodiment, the automatic lock further includes an elastic clutch resetting member 24 engaged with the clutch plate 25, and the elastic clutch resetting member 24 is configured to reset the clutch plate 25 when the clutch plate 25 is not subjected to an external force, so that the driving mechanism 3 with the clutch structure of the automatic lock is in a closed state.

In this embodiment, the first matching portion 43 is a first concave hole, and the unlocking portion 46 is a convex pillar extending into the first concave hole. In this embodiment, the rotation shaft of the unlocking plate 38 extends into the first recess hole. By such a design, the structure can be arranged more compactly.

As shown in fig. 10 and 15, in this embodiment, the side wall of the first concave hole has a limiting notch 63, the side wall of the limiting notch 63 includes a first portion 64 and a second portion 65, when the handle shifting block 34 is located at the unlocking operating position of the handle 35, the clutch plate 25 engages with the unlocking portion 46 through the first portion 64 of the limiting notch 63 to drive the unlocking portion 46 to rotate, and when the lock cylinder 56 operates to drive the unlocking member to rotate through the lock cylinder shifting block 57, the unlocking portion 46 engages with the second portion 65 of the limiting notch 63 to drive the unlocking plate 38 to move.

In this embodiment, as shown in fig. 15, the unlocking plate 38 has an arcuate surface 83, and the arcuate surface 83 engages the key cylinder dial 57. The arc surface 83 is arranged to enable the lock cylinder shifting block 57 to enable the driving mechanism 3 with the clutch structure to be in a separated state when contacting with the arc surface 83, and enable the main bolt locking plate 47 to no longer lock the main bolt assembly 48, at this time, the main bolt assembly 48 can be driven to extend out of or retract into the lock case 1 through the cooperation of the lock cylinder shifting block 57 and the unlocking teeth.

As shown in fig. 15 and 25, in this embodiment, the method further includes: the latch bolt shifting piece 58 is rotatably arranged on the lock body and is provided with a first latch bolt shifting piece arm 59 and a second latch bolt shifting piece arm 60, and the first latch bolt shifting piece arm 59 is used for being matched with the latch bolt component 2 of the automatic lock body; the lock head shifting piece 61 is slidably arranged on the main bolt assembly 48 of the automatic lock body, and the lock head shifting piece 61 is used for being matched with the lock cylinder shifting block 57 and the second latch bolt shifting piece arm 60; and a lock head plectrum reset piece 62, cooperating with the lock head plectrum 61, when the lock core plectrum 57 does not exert an acting force on the lock head plectrum 61, the lock head plectrum 61 is reset; when the main bolt assembly 48 retracts into the lock case 1 or retracts into the lock case 1, the lock head shifting piece 61 is close to the lock cylinder 56, the lock cylinder shifting block 57 can drive the lock head shifting piece 61 to move after rotating, the lock head shifting piece 61 is matched with the second latch bolt shifting piece arm 60 to drive the latch bolt shifting piece 58 to rotate, and the latch bolt shifting piece 58 drives the latch bolt assembly 2 of the automatic lock body to retract into the lock case 1 through the first latch bolt shifting piece arm 59.

As shown in fig. 9, in the present embodiment, the latch driver 58 is rotatably mounted on the handle driver block 34. The arrangement is more compact. The latch bolt shifting piece 58 is rotatably arranged on the handle shifting block 34, the rotating axes of the latch bolt shifting piece and the handle shifting block are overlapped, the actual structure can be in various forms, and the latch bolt shifting piece 58 is rotatably arranged on the rotating shaft of the handle shifting block 34.

As shown in fig. 13, 15, 23 and 24, the lock further comprises a reset plate 77 movably mounted on the lock case 1; and a return plate elastic return member 78 for applying an elastic force to the return plate 77 to keep the return plate 77 in contact engagement with the main transmission member 32. Unusual shut down appears, main drive spare 32 and main spring bolt subassembly 48 when specific position can block (for example dead point position), though can be to the separation and reunion structure through mechanical means, the locking structure unlocks, but can not make main drive spare 32 and main spring bolt subassembly 48 break away from the dead point position after the unblock, through setting up the main drive spare 32 canceling release mechanical system of this application, the board 77 that resets exerts the effort to main drive spare 32 under the effect of elastic component, make main drive spare 32 can rotate a plurality of angles, thereby break away from the dead point position, follow-up can be normal carry out mechanical unlocking operation.

In practice, the elastic restoring member 78 of the restoring plate is used to apply an elastic force to the restoring plate 77, which includes directly contacting the restoring plate 77 to apply an elastic force, or indirectly applying an elastic force to the restoring plate 77.

The main transmission member 32 is used for cooperating with the driving mechanism 3 with the clutch structure of the automatic lock body and is driven by the driving mechanism 3 with the clutch structure to rotate.

In this embodiment, the reset plate 77 cooperates with the toggle block 69. The reset plate 77 is slidably or rotatably mounted on the housing 1.

As shown in fig. 14, 15, 21, 22, 23 and 24, the sliding plate 50 has at least one driving tooth 84, and the toggle block 69 of the main transmission member 32 is adapted to engage the driving tooth 84 to move the main latch bolt assembly 48. In the present embodiment, there are a plurality of driving teeth 84, and the driving teeth 84 are spaced apart.

In this embodiment, the lock further includes a main lock tongue plate 47 slidably mounted on the lock case 1 and a main lock tongue plate elastic reset piece 55, the sliding plate 50 has a plurality of positioning grooves 52 arranged at intervals, the main lock tongue plate 47 has positioning teeth 53 for fitting into the positioning grooves 52 and a pressed portion 54 engaged with the unlocking arm 45, the main lock tongue plate elastic reset piece 55 is used for making the positioning teeth 53 of the main lock tongue plate 47 have a movement tendency to move toward the positioning grooves 52, and when the main rotation piece rotates, the main lock tongue plate 47 can be driven to move, so that the positioning teeth 53 are disengaged from the positioning grooves 52.

As shown in fig. 23 and 24, the main transmission element 32 of the present embodiment is adapted to cooperate with the main bolt assembly 48 and the main bolt lock plate 47 to extend the main bolt assembly 48 out of the housing 1 or retract the main bolt assembly into the housing 1.

As shown in fig. 26, the automatic lock body of the present embodiment further includes a detection tongue assembly 79, a top and bottom lock assembly 80 and a safety tongue assembly 81 mounted on the lock case 1. In actual use, each bolt and moving part can be provided with a sensor 82 to detect the moving position, so as to ensure the reliable operation of the lockset, such as a detection bolt component 79, an oblique bolt component 2, a main bolt component 48 and a top and bottom lock component 80; other various moving part position sensing, including but not limited to, latching plates, reset plates 77, and the like.

The movable installation of the application comprises two conditions of sliding installation and rotating installation, and the sliding installation is preferred in actual application. When the various elastic reset pieces are actually used, various elastic elements such as a torsion spring, a pressure spring, a tension spring, an elastic sheet and the like can be adopted. In the present application, the sliding plate 50 may comprise one plate body or a plurality of plate bodies, preferably a plurality of plate bodies for convenience of processing.

Example 2

As shown in fig. 27 and 28, the present embodiment is different from embodiment 1 in that the latch bolt retracting structure includes a slider 72 slidably mounted on the main latch bolt assembly 48, the slider 72 has a pressed tooth 74 and a first engaging arm 75, and the first engaging arm 75 is used for engaging with the latch bolt assembly 2 of the automatic lock body; when the main bolt assembly 48 retracts into the housing 1 or after retracting into the housing 1, the pressure receiving teeth 74 approach the toggle block 69, the toggle block 69 rotates to move the sliding member 72 toward the inside of the housing 1, and the first engagement arm 75 of the sliding member 72 retracts the latch bolt assembly 2 into the housing 1.

A slider 72 slidably disposed on the main bolt assembly 48 has a pressed tooth 74 capable of being moved by the toggle block 69 toward the inside of the housing 1 when the main bolt assembly 48 is retracted into the housing 1 or after being retracted into the housing 1, so that the slider 72 causes the latch bolt assembly 2 to be retracted into the housing 1 via a first engagement arm 75 engaged with the latch bolt assembly 2. I.e., retraction of the main bolt assembly 48 and the latch bolt assembly 2 can be achieved fully automatically.

In this embodiment, a sliding member elastic restoring member 73 is further included, which is mounted on the main bolt assembly 48, and the sliding member elastic restoring member 73 is used for cooperating with the sliding member 72 to make the sliding member 72 have a moving tendency to move toward the outside of the lock case 1.

In this embodiment, the latch bolt assembly 2 includes a latch bolt 6 and a latch bolt pulling plate 15 connected to each other, the latch bolt 6 has a slot 16, the latch bolt pulling plate 15 has a locking arm 17 embedded in the slot 16, the latch bolt pulling plate 15 has a second engaging arm 76 engaged with the first engaging arm 75, and the first engaging arm 75 of the slider 72 drives the latch bolt 6 to move by driving the second engaging arm 76 to move.

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 mechanical unlocking mechanism of an automatic lock body is arranged on a lock shell of the automatic lock body and is characterized by comprising a handle shifting block, a clutch plate, a transmission plate, an unlocking plate, a lock cylinder and unlocking teeth;

the clutch plate is rotatably arranged on the lock shell and is provided with a clutch part and a clutch arm matched with the first handle shifting block arm, and the clutch arm and the clutch part are respectively positioned at two sides of the rotation axis of the clutch plate;

the unlocking tooth is arranged on a main bolt component of the automatic lock body;

the handle shifting block is provided with a handle unlocking working position, when the handle unlocking working position is reached, the handle shifting block rotates, a first handle shifting block arm is firstly contacted with a clutch arm of a clutch plate to drive the clutch plate to rotate, then the first handle shifting block arm is matched with the transmission plate to drive the transmission plate to rotate so as to retract a main spring bolt assembly of the automatic lock body into the lock shell, after the clutch plate rotates, a clutch part of the clutch plate is matched with a second matching part of the clutch plate to drive the clutch plate to move, so that a driving mechanism with a clutch structure of the automatic lock body is in a separation state, meanwhile, a first matching part of the clutch plate is matched with an unlocking part of the unlocking plate to drive the unlocking plate to rotate, and an unlocking arm of the unlocking plate is matched with a main spring bolt locking plate of the automatic lock body so that the main spring bolt no longer locks the main spring bolt assembly of the automatic lock body;

2. The mechanical unlock mechanism of an automatic lock as recited in claim 1, further comprising a second lever arm, wherein the second lever arm is adapted to engage the deadbolt assembly of the automatic lock, and wherein the second lever arm is adapted to actuate the deadbolt assembly to retract the deadbolt assembly into the lock housing when or after the main bolt assembly is retracted into the lock housing.

3. The mechanical unlocking mechanism of an automatic lock body according to claim 1, further comprising a clutch elastic reset member engaged with the clutch plate, wherein the clutch elastic reset member is used for resetting the clutch plate when the clutch plate is not subjected to an external force, so that the driving mechanism with the clutch structure of the automatic lock body is in a closed state.

4. An automatic lock release mechanism as defined in claim 1, wherein said unlocking plate has an arcuate surface that engages said key cylinder paddle.

5. The mechanical unlock mechanism of an automatic lock body of claim 1, further comprising:

the lock head shifting piece is slidably arranged on the main lock tongue component of the automatic lock body and is used for being matched with the lock cylinder shifting block and the second latch bolt shifting piece arm; and

6. The mechanical unlock mechanism of automatic lock body of claim 5, wherein said latch finger paddle is rotatably mounted on the handle paddle.

7. The mechanical unlocking mechanism of an automatic lock according to claim 6, wherein the first engaging portion is a first concave hole, the unlocking portion is a convex column extending into the first concave hole, a side wall of the first concave hole has a limit notch, the side wall of the limit notch includes a first portion and a second portion, when the handle shifting block is located at the handle unlocking position, the clutch plate engages with the unlocking portion through the first portion of the limit notch to drive the unlocking portion to rotate, and when the lock core operates to drive the unlocking member to rotate through the lock core shifting block, the unlocking portion engages with the second portion of the limit notch to drive the unlocking plate to move.

8. An automatic lock body, which is characterized by comprising a lock shell, and a driving mechanism with a clutch structure, a main transmission piece, a main bolt assembly, a main bolt locking plate, a latch bolt assembly and a mechanical unlocking mechanism as claimed in any one of claims 1 to 7, which are arranged on the lock shell;

9. The automatic lock of claim 8, wherein the main bolt assembly includes a main bolt and a sliding plate connected to the main bolt, the unlocking tooth is provided on the sliding plate, and the sliding plate has a retracting portion and a positioning groove;

the automatic lock body further comprises a main lock bolt locking plate elastic reset piece, the main lock bolt locking plate elastic reset piece is used for enabling the positioning teeth of the main lock bolt locking plate to have a movement trend of moving towards one side of the positioning groove, and when the main rotating piece rotates, the main lock bolt locking plate can be driven to move, so that the positioning teeth are separated from the positioning groove.

10. The automatic lock body of claim 8, wherein said drive mechanism with clutching feature comprises:

the transmission gear is rotatably arranged on the lock shell;