CN214463333U

CN214463333U - Lock body

Info

Publication number: CN214463333U
Application number: CN202120139115.4U
Authority: CN
Inventors: 陈轮; 李鱼
Original assignee: Zhongshan Jinjian Electronic Technology Co ltd
Current assignee: Zhongshan Jinjian Electronic Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-22
Anticipated expiration: 2031-01-19

Abstract

The utility model provides a lock body, including mechanical lock core, including a motor, an end cap, a controller, and a cover plate, the gear train of being connected with motor drive, the spring bolt support with install the spring bolt on the spring bolt support, rotatable the installing on the casing dials the piece, dial the piece have the driving gear and with the driven driving gear of gear train meshing, dial portion and spring bolt leg joint, it is provided with the arc wall to dial the piece, the both ends of arc wall all form the portion of support, dial on the piece coaxial rotationally install clutch gear, clutch gear is provided with the lug that stretches into in the arc wall, be provided with the driving piece between the thumb peach of mechanical lock core and clutch gear, motor drive dials the piece and can drive the spring bolt support when rotating and remove so that the spring bolt stretches out or the casing of withdrawal, and simultaneously, the lug slides in the arc wall and with arbitrary non-support of portion of support and press the setting. The shifting peach drives the driving piece to move so that the convex block is abutted and acted on a pressing part of the arc-shaped groove, and the lock tongue is driven to extend out of the shell; and/or the convex block is abutted and acted on the other abutting part of the arc-shaped groove, so that the lock tongue is driven to retract into the shell.

Description

Lock body

Technical Field

The utility model relates to a tool to lock technical field especially relates to a lock body.

Background

The intelligent door lock is an improved lock which is different from a traditional mechanical lock, is more intelligent and simpler in the aspects of user safety, identification and manageability, is usually unlocked by driving a gear through a motor, namely, electronic unlocking can be realized through fingerprints, voiceprints and passwords, and the intelligent door lock is very convenient. But intelligence lock meets and has a power failure or can't open the lock when emergency outage, at this moment, need promptly unblank through mechanical mode, unblank in order to make the electron and mechanical unblank mutually noninterfere when using, the lock body generally can be provided with separation and reunion structure, but current separation and reunion structure is more complicated, needs more simple and reliable structure in order to solve the problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lock body that simple structure is reliable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lock body comprises a shell, and a mechanical lock cylinder, a motor, a gear set and a lock tongue assembly which are arranged on the shell, wherein the motor is in driving connection with the gear set, the lock tongue assembly comprises a lock tongue support and a lock tongue which is arranged on the lock tongue support, a stirring piece is rotatably arranged on the shell and is provided with a transmission tooth and a stirring part, the transmission tooth is in meshing transmission connection with the gear set, the stirring part is connected with the lock tongue support, the stirring piece is provided with an arc-shaped groove which extends around a rotating shaft of the stirring piece as a central shaft, one end of the arc-shaped groove forms a pressing part, a clutch gear is coaxially and rotatably arranged on the stirring piece and is provided with a lug which extends into the arc-shaped groove, a driving piece is arranged between a stirring peach of the mechanical lock cylinder and the clutch gear, and the motor can drive the lock tongue support to move when driving the stirring piece to rotate so that the lock tongue extends out of or retracts into the shell, meanwhile, the convex block slides in the arc-shaped groove and is arranged in a non-abutting mode with any one of the abutting parts;

when external force acts on the shifting peach, the shifting peach drives the driving piece to move, the driving piece drives the clutch gear to rotate, so that the convex block arranged on the clutch gear is abutted and acts on a pressing part of the arc-shaped groove to push the shifting piece to rotate, and the lock tongue is driven to extend out of the shell; and/or the convex block arranged on the clutch gear is abutted and acted on the other abutting part of the arc-shaped groove to push the shifting piece to rotate so as to drive the lock tongue to retract into the shell.

The utility model has the advantages of have that machinery unblanks and the motor is unblanked mutually independent, mutual noninterference, simple structure is reliable.

Drawings

Figure 1 is a perspective view of an embodiment lock body.

Figure 2 is a block diagram of the lock body with the housing removed in the embodiment.

Fig. 3 is an exploded view of fig. 1.

Figure 4 is a schematic structural diagram of a bolt assembly of the lock body in the embodiment;

figure 5 is a perspective view of the toggle member of the lock body in the embodiment.

Figure 6 is a perspective view of the clutch gear of the lock body in the embodiment.

Figure 7 is a schematic diagram of the assembly of the driving member, the fixing block and the return spring of the lock body in the embodiment.

Fig. 8 is an exploded view of fig. 5.

In the figure, the position of the upper end of the main shaft,

100. a housing;

1. a toggle piece; 11. a transmission gear; 12. a toggle part; 13. an arc-shaped slot; 131. a pressing part;

2. a clutch gear; 21. a bump;

3. a drive member; 31. a drive section; 32. a first groove;

4. shifting peaches;

5. a latch bolt assembly; 51. a bolt support; 511. a guide groove; 512. a guide block; 52. a latch bolt;

61. a fixed block; 611. a second groove; 612. a fixing hole; 62. a return spring;

71. a motor; 72. a gear set.

Detailed Description

Referring to fig. 1-8, the present invention is directed to a lock body. The lock body comprises a shell 100, a mechanical lock cylinder installed on the shell 100, a motor 71, a gear set 72 and a bolt assembly 5, wherein the motor 71 is in transmission connection with the gear set 72, the bolt assembly 5 comprises a bolt support 51 and a bolt 52 installed on the bolt support 51, a toggle piece 1 is rotatably installed on the shell 100, the toggle piece 1 is provided with a driving tooth 11 and a toggle part 12, the driving tooth 11 is in meshing transmission connection with the gear set 72, and the toggle part 1 is connected with the bolt support 51. The stirring piece 1 is provided with an arc-shaped groove 13 which extends around the rotating shaft of the stirring piece as a central shaft, the two ends of the arc-shaped groove 13 are provided with abutting parts 131, the stirring piece 1 is coaxially and rotatably provided with a clutch gear 2, the clutch gear 2 is provided with a convex block 21 extending into the arc-shaped groove 13, and a driving piece 3 is arranged between the stirring peach 4 of the mechanical lock cylinder and the clutch gear 2.

When the key is used for locking, external force acts on the shifting block 4, the shifting block 4 drives the driving piece 3 to move (move towards the direction close to the clutch gear 2), and the driving piece 3 drives the clutch gear 2 to rotate, so that the convex block 21 arranged on the clutch gear 2 is abutted and acts on a pressing part 131 of the arc-shaped groove 13 to push the shifting block 1 to rotate, and further the lock tongue 52 is driven to extend out of the shell 100; when the key is used for unlocking, the dial 4 drives the driving piece 3 to move (move towards the direction far away from the clutch gear 2), the driving piece 3 drives the clutch gear 2 to rotate, so that the convex block 21 arranged on the clutch gear 2 is abutted and acts on the other abutting part 131 of the arc-shaped groove 13 to push the dial piece 1 to rotate, and then the lock tongue 52 is driven to retract into the shell 100.

When the lock is unlocked or locked by fingerprint identification or password identification, the motor 71 drives the gear group 72 to drive the toggle member 1 to rotate, so as to drive the bolt bracket 51 to move, so that the bolt 52 extends out of or retracts into the housing 100, and meanwhile, the projection 21 slides in the arc-shaped groove 13 and is not arranged in a pressing manner with any pressing part 131. That is, due to the existence of the arc-shaped groove 13, when the gear set 72 drives the toggle member 1 to rotate, the rotation amplitude of the toggle member 1 is small, so that the bump 21 only slides in the arc-shaped groove 31 and cannot act on any one of the pressing portions 131, thereby avoiding the technical problem that when the motor 71 is adopted to drive the gear set 72 to drive the toggle member 1 to rotate, the toggle member 1 simultaneously drives the clutch gear 2 to rotate. The technical effects that the unlocking and/or locking of the motor drive and the unlocking and/or locking of the key drive are independent and do not interfere with each other are achieved, the structure is simple, and the cost is low.

Optionally, the lock body further includes a driving member 3, the driving member 3 is slidably disposed on the housing 100 in the length direction, a straight tooth is disposed on the driving member 3, the straight tooth is engaged with the clutch gear 2, the driving member 3 is further provided with a driving portion 31, the thumb wheel 4 of the lock cylinder is connected to the driving portion 31, and rotation of the thumb wheel 4 acts on the driving portion 31 to enable the driving member 3 to slide back and forth in the length direction. The motor is a stepping motor. The bolt bracket 51 is provided with a guide slot 511 extending along the bolt retracting or extending direction in the length direction, the guide slot 511 is T-shaped on the section perpendicular to the length direction, the housing 100 is further provided with a guide block 512, and the guide block 512 is matched and connected with the guide slot 511.

Optionally, a return spring 62 is further disposed on the lock body, one end of the return spring 62 is connected to or abutted against the driving member 3, the other end of the return spring 62 is connected to the housing 100, and when the thumb wheel 1 drives the driving member 3 to slide relative to the housing 100 and retracts the latch 52 into the housing 100, the driving member 3 presses the return spring 62 to make the return spring 62 in a compressed state; when the dial 1 stops driving the driving member 3 to slide relative to the housing 100 (i.e. when the dial 1 is disengaged from the driving portion 31 of the driving member 3), the driving member 3 just pushes out the latch 52 to the right position or pulls back to the right position through the spur gear transmission, and the driving member 3 is reset under the elastic force of the reset spring 62.

Optionally, the driver 3 is further provided with a first groove 32, the housing 100 is further provided with a second groove 611 corresponding to the first groove 32, a notch of the first groove 32 is arranged opposite to a notch of the second groove 611, a first end (a position indicated by an arrow a in fig. 6) of the first groove 32 is arranged opposite to a second end (a position indicated by an arrow B in fig. 6) of the second groove 611, a second end of the first groove 32 is arranged opposite to a first end of the second groove 611, one end of the return spring 62 is connected with or abutted against the first end of the first groove 32, the other end of the return spring 62 is connected with or abutted against the second end of the second groove 611, one side of the return spring 62 is in contact with and slidable relative to a groove bottom of the first groove 32, the other side of the return spring 62 is in contact with and slidable relative to a groove bottom of the second groove 611, so that the return spring 62 can slide relative to the first groove 32 and the second groove 611 under the action of the driver 1 to enable the return spring 62 to slide relative to the first groove 611 and the second groove 611 to slide relative to the second groove bottom A compression effect is achieved.

Specifically, the first groove 32 and the second groove 611 have the same width, that is, the notch width of the first groove 32 and the notch width of the second groove 611 are the same, and when the driver 3 is reset to the initial state by the elastic force of the return spring 62, the notch of the first groove 32 is aligned with the notch of the second groove 611.

Optionally, the driving member 3 is further provided with a first groove 32, the housing 100 is further provided with a second groove 611 corresponding to the first groove 32, the first groove 32 and the second groove 611 cooperate to form a reset groove, and the reset groove is provided with a reset spring 62. When the driver 3 is dialed by the mechanical lock core dial 4, the driver 3 slides relative to the housing 100 and presses the return spring 62 to make the return spring 62 in a compressed state; when the mechanical lock cylinder 4 is disengaged from the driving part 31 of the driving member 3, the driving member 3 just pushes out the latch 52 to the proper position or pulls back to the proper position through the spur gear transmission, and the driving member 3 is reset to the initial position where the first recess 32 is aligned with the second recess 611 under the elastic force of the reset spring 62.

The initial position is middle idle running position, dials a 1 and makes a round trip to stir the spring bolt under motor drive and pops out or withdraws, because be provided with arc wall 13 as keeping away the vacancy for stir the rotation of 1 and can not receive blockking of lug, when unblanking with mechanical lock core, driving piece 3 drives clutch gear 2 and rotates, lug 21 can promote to dial 1 rotatory, twist reverse mechanical lock core with the key this moment and unblank, dial 1 and can take motor 71 to rotate together, it has certain resistance to rotate the in-process. When the latch 52 is in the pushed-out state, the driving member 3 drives the toggle member 1 to drive the motor 71. When the latch bolt 52 is in the retracted state, the driving member 3 drives the toggle member 1 to move to push out the latch bolt 52, and then the motor 71 is also driven to rotate together, and a certain resistance is provided in the rotating process.

Optionally, one end of the return spring 62 abuts or is connected to one groove wall of the return groove, and the other end of the return spring 62 abuts or is connected to the other groove wall of the return groove.

Optionally, the lock body further includes a fixing block 61, the fixing block 61 is mounted on the housing 100, and the second groove 611 is opened on the fixing block 61.

Specifically, the fixing block 61 is provided with a fixing hole 612, and a screw penetrates through the fixing hole 612 to fix the fixing block 61 on the housing 100.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims

1. A lock body comprises a shell, a mechanical lock cylinder, a motor, a gear set and a lock tongue assembly, wherein the mechanical lock cylinder, the motor, the gear set and the lock tongue assembly are installed on the shell, the motor is driven to be connected with the gear set, the lock tongue assembly comprises a lock tongue support and a lock tongue installed on the lock tongue support, a poking piece is rotatably installed on the shell and provided with a transmission gear and a poking part, the transmission gear is in meshed transmission connection with the gear set, the poking part is connected with the lock tongue support, the poking piece is provided with an arc-shaped groove which extends around a central shaft of the poking piece and is arranged, two ends of the arc-shaped groove form abutting parts, a clutch gear is coaxially and rotatably installed on the poking piece, the clutch gear is provided with a convex block extending into the arc-shaped groove, a driving piece is arranged between the poking peach of the mechanical lock cylinder and the clutch gear, and the motor can drive the lock tongue support to move when the poking piece rotates so that the lock tongue extends out of the lock tongue Or the shell is retracted, and meanwhile, the convex block slides in the arc-shaped groove and is arranged in a non-abutting mode with any abutting part;

when external force acts on the shifting peach, the shifting peach drives the driving piece to move, the driving piece drives the clutch gear to rotate, so that the convex block arranged on the clutch gear is abutted and acts on a pressing part of the arc-shaped groove to push the shifting piece to rotate, and the lock tongue support is driven to move so that the lock tongue extends out of the shell; and/or the convex block arranged on the clutch gear is abutted and acted on the other abutting part of the arc-shaped groove to push the shifting piece to rotate, so that the lock tongue support is driven to move to enable the lock tongue to retract into the shell.

2. A lock according to claim 1, wherein said motor is a stepper motor.

3. A lock as claimed in claim 1, wherein the bolt holder is provided with a guide slot extending in a length direction along a direction in which the bolt is retracted or extended, the guide slot is T-shaped in a cross section perpendicular to the length direction of the guide slot, and the housing is further provided with a guide block, and the guide block is engaged with the guide slot.

4. A lock body according to any one of claims 1-3, wherein said driving member is slidably disposed on said housing in a longitudinal direction, said driving member is provided with a straight tooth, said straight tooth is engaged with said clutch gear, said driving member is further provided with a driving portion, said cam of said mechanical lock cylinder is connected to said driving portion, and said rotation of said cam acts on said driving portion to cause said driving member to slide back and forth in the longitudinal direction.

5. The lock of claim 4, further comprising a return spring, wherein one end of the return spring is connected to or abutted against the driving member, and the other end of the return spring is connected to the housing, and when the thumb wheel drives the driving member to slide relative to the housing and retract the locking bolt into the housing, the driving member presses the return spring to place the return spring in a compressed state; when the peach-poking device stops driving the driving piece to slide relative to the shell, the driving piece resets under the elastic force of the reset spring.

6. A lock body according to claim 5, characterized in that said driving member is further provided with a first recess, the shell is also provided with a second groove which is arranged corresponding to the first groove, the notch of the first groove is arranged opposite to the notch of the second groove, the first end of the first groove is arranged opposite to the second end of the second groove, the second end of the first groove is arranged opposite to the first end of the second groove, one end of the return spring is connected with or abutted against the first end of the first groove, the other end of the return spring is connected with or abutted against the second end of the second groove, one side of the return spring is contacted with the groove bottom of the first groove and can slide relative to the groove bottom, the other side of the return spring is in contact with the groove bottom of the second groove and can slide relative to the groove bottom.

7. A lock according to claim 6, further comprising a securing block, said securing block being mounted on said housing, said second recess being formed in said securing block.

8. The lock of claim 7, wherein said fastening block defines fastening holes, and screws are inserted through said fastening holes to fasten said fastening block to said housing.