CN207794834U - Lock clutch - Google Patents

Abstract

The utility model discloses a lock clutch, which comprises a rotating core component and a square shaft, wherein the rotating core component comprises a bolt piece and a rotating core arranged in the bolt piece, and the middle part of the rotating core is provided with a first square hole matched with the square shaft; the side of bolt spare is provided with first separation and reunion pinhole, be provided with the separation and reunion round pin in the first separation and reunion pinhole, the side of rotating the core is provided with second separation and reunion pinhole, separation and reunion round pin connection has drives its separation and reunion round pin power unit of inserting in the second separation and reunion pinhole, it is connected with rotation core canceling release mechanical system to rotate the core, under the natural state, it drives the rotation core rotation to rotate core canceling release mechanical system, make second separation and reunion pinhole and first separation and reunion pinhole counterpoint with the axle center, the reaction is sensitive, it need not to reset through the interlock to rotate the core, effectively eliminate mechanical failure, the security of tool to lock improves.

Description

a lock clutch

technical field

The utility model relates to a lock, in particular to a lock clutch.

Background technique

At present, the clutch used in locks on the market includes a bolt and a rotating core. The clutch pin is driven by the clutch pin power mechanism to be inserted into the rotating core, so that the rotating core is linked with the bolt when rotating, and the bolt and the rotating core of this structure are both Lack of reset function, it is necessary to link the bolt with the reset mechanism of the lock tongue to reset the rotating core, but often the power mechanism of the clutch pin drives the clutch pin to reset in advance, resulting in the failure of the rotating core to be reset in a linked manner, and failures such as mechanical jamming occur. High rate.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a lock clutch with reset function.

The technical scheme that the utility model solves its technical problem adopts is:

A lock clutch, comprising a rotating core assembly and a square shaft. The rotating core assembly includes a latch and a rotating core installed in the latch. The middle part of the rotating core is provided with a second One side hole; the side end of the bolt is provided with a first clutch pin hole, the first clutch pin hole is provided with a clutch pin, the side end of the rotating core is provided with a second clutch pin hole, the clutch The pin is connected with a clutch pin power mechanism that drives it to be inserted into the second clutch pin hole, and the rotating core is connected with a rotating core reset mechanism. In a natural state, the rotating core reset mechanism drives the rotating core to rotate, so that the The second clutch pin hole is concentrically aligned with the first clutch pin hole.

The lock clutch also includes a clutch base, the clutch pin power mechanism includes a rotating block and a motor assembly installed on the clutch base, one end of the rotating block is hinged on the clutch base, and the other end is connected to the clutch base. The motor assembly is connected, and the motor assembly drives the rotating pull block to perform swinging motion on the hinge shaft, and the rear end of the clutch pin is against the inner side of the rotating pull block.

The bolt is provided with an arc-shaped chute, the rotating core reset mechanism is installed in the chute, the lower end of the rotating core has a pushing part that can be inserted into the chute, and the rotating core reset mechanism It includes two slider parts located on both sides of the push part, the push part pushes the slider part to slide in the chute, and the two slider parts are respectively connected with sliders that drive them to reset return spring.

The middle part of the clutch pin has an outwardly protruding limiting portion, and a clutch pin return spring is installed on the front end of the clutch pin, the front end of the clutch pin return spring is against the bottom end of the first square hole, and the rear end is against the bottom end of the first square hole. On the inner side of the limiting part; the front end of the first square hole is provided with a plug cap, and in a natural state, the outer side of the limiting part abuts against the inner side of the plug cap.

The motor assembly includes a motor base, a motor, a gear set, a driven wheel shaft and a drive block, the motor and the driven wheel shaft are respectively installed on the motor base, and the motor drives the driven wheel shaft to rotate through the gear set; One end of the driving block is provided with a spring cavity, and the other end is connected with the rotating pull block; the middle part of the driven wheel shaft runs through the spring cavity, and the driven wheel shaft is installed with a driving wheel located in the spring cavity. A spring, the driven wheel shaft has a drive rod perpendicular to the axis, and the drive rod is located in the spring chamber.

The two ends of the spring cavity are respectively provided with limiting grooves, and the two ends of the driving spring are respectively inserted into the limiting grooves.

The gear set includes a driving wheel, a transition wheel and a driven wheel, the driving wheel is connected to the output shaft of the motor, and the driven wheel is connected to the driven wheel shaft; the motor seat is provided with a transition wheel shaft, and the transition A wheel is mounted on the transition wheel shaft, and the transition wheel is meshed with the driving wheel and the driven wheel respectively.

The other end of the driving block is provided with a pull slot, and the rotating pull block is provided with a pull column inserted into the pull slot.

The rotating core assembly also includes a reversing member installed on the upper end of the rotating core, the middle part of the reversing member is provided with a second square hole adapted to the square shaft; when assembling, the square shaft passes through the through the second square hole and the first square hole.

The upper end of the latch member protrudes outward to form an arc-shaped limiting platform, the side end of the reversing member protrudes outward to form a limiting block, and the side end of the limiting block abuts against the side end of the limiting platform.

The beneficial effects of the utility model are: the rotary core of the utility model is connected with a rotary core reset mechanism, and in the natural state, the rotary core reset mechanism drives the rotary core to rotate, so that the second clutch pin hole and the first clutch pin hole are coaxially aligned. position; the power mechanism of the clutch pin drives the front end of the clutch pin into the second clutch pin hole, so that the rotating core is in the locked state, and the response is sensitive. The rotating core does not need to be reset through linkage, effectively eliminating mechanical failures, improving the safety of the lock, Eliminates the defect that the lock clutch on the market does not have a reset function.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the exploded schematic view of the utility model;

Fig. 2 is one of partial schematic diagrams of the utility model;

Fig. 3 is a structural schematic diagram of a rotating core assembly;

Fig. 4 is a structural schematic diagram of the motor assembly;

Fig. 5 is the second partial schematic view of the utility model.

Detailed ways

Referring to Figures 1 to 5, a lock clutch includes a rotating core assembly 1 and a square shaft 2, the square shaft 2 is used to connect with the handle; the rotating core assembly 1 includes a latch 3 and is installed on the latch 3 Inside the rotating core 4, the middle part of the rotating core 4 is provided with a first square hole 5 adapted to the square shaft 2; the side end of the latch member 3 is provided with a first clutch pin hole 6, and the first A clutch pin 7 is provided in a clutch pin hole 6, and a second clutch pin hole 9 is provided at the side end of the rotating core 4, and the clutch pin 7 is connected with a clutch that drives it to be inserted into the second clutch pin hole 9. Pin power mechanism, the rotating core 4 is connected with a rotating core reset mechanism, in a natural state, the rotating core reset mechanism drives the rotating core 4 to rotate, so that the second clutch pin hole 9 and the first clutch pin hole 6 Coaxial center alignment, sensitive response, the rotating core does not need to be reset through linkage, effectively eliminating mechanical failures, when the clutch pin 7 is separated from the rotating core 4, the handle of the front lock is controlled, which greatly increases the anti-theft and anti-demolition coefficient and improves The safety of the lock makes up for the defect that the clutch of the lock on the market does not have a reset function.

Furthermore, the latch member 3 is provided with an arc-shaped sliding groove 12, the rotating core reset mechanism is installed in the sliding groove 12, and the lower end of the rotating core 4 has a The pushing part 13, the rotating core reset mechanism includes two slider parts 14 respectively located on both sides of the pushing part 13, the pushing part 13 pushes the slider part 14 to slide in the chute 12, The two slider parts 14 are respectively connected with slider return springs 15 to drive them to reset. When the door is opened and the handle is pulled, the square shaft drives the rotating core 4 to rotate, no matter whether the rotating core 4 rotates counterclockwise or clockwise, it will always push a slider part 14 to compress the slider return spring 15 connected with the slider part 14. After the handle loses the external force, the elastic recovery of the slide block return spring 15 drives the slide block part 14 to push the rotating core 4 to reset, realizing automatic reset, improving the safety of the clutch, and effectively preventing mechanical jamming.

The lock clutch also includes a clutch base 10, the clutch pin power mechanism includes a rotating pull block 8 and a motor assembly 11 installed on the clutch base 10, and one end of the rotating pull block 8 is hinged on the clutch base 10 , the other end is connected with the motor assembly 11, the motor assembly 11 drives the rotating pull block 8 to swing on a hinged shaft, and the rear end of the clutch pin 7 is against the inner side of the rotating pull block 8, so When the rotating pull block 8 moves toward the rotating core assembly 1, the front end of the clutch pin 7 is inserted into the second clutch pin hole 9 to realize linkage.

Furthermore, the motor assembly 11 includes a motor base 19, a motor 20, a gear set, a driven wheel shaft 21 and a drive block 22, and the motor 20 and the driven wheel shaft 21 are installed on the motor base 19 respectively; Said gear set comprises driving wheel 27, transition wheel 28 and driven wheel 29, and described driving wheel 27 is connected with the output shaft of motor 20, and described driven wheel 29 is connected with described driven wheel shaft 21; There is a transition wheel shaft, on which the transition wheel 28 is installed, and the transition wheel 28 meshes with the driving wheel 27 and the driven wheel 29 respectively. The gear set is a reduction gear set, which can reduce the speed and increase the force. The motor 20 drives the driven wheel shaft 21 to rotate through a gear set.

One end of the driving block 22 is provided with a spring chamber 23 , and the other end is provided with a pull slot 30 , and the rotating pull block 8 is provided with a pull post 31 inserted into the pull slot 30 . The driving block 22 drives the rotating pulling block 8 to reciprocate by pulling the pulling column 31, and the structure is ingenious. The middle part of the driven wheel shaft 21 runs through the spring cavity 23, the driven wheel shaft 21 is equipped with a drive spring 24 located in the spring cavity 23, and the driven wheel shaft 21 has a drive rod perpendicular to the axis 25 , the driving rod 25 is located in the spring cavity 23 . Both ends of the spring cavity 23 are respectively provided with limiting slots 26 , and the two ends of the driving spring 24 are respectively inserted into the limiting slots 26 . When the motor 20 rotates, the drive rod 25 moves around and drives the drive block 22 to move. When the maximum stroke of the drive spring 24 is reached, since the two ends of the drive spring 24 are inserted into the limit groove 26 respectively, the drive spring 24 It will continue to slip, and the drive rod 25 will drive the drive spring 24 to idle, effectively preventing the drive spring 24 from being deformed or damaged.

The motor 20 is electrically connected to the control circuit board, and the control circuit board is connected with a fingerprint recognition device, an electronic card recognition device, etc. After the control circuit board sends out an unlock command, the motor 20 rotates, thereby driving the drive block 22 to move in the locked position. The driven wheel shaft 21 reciprocates in the axial direction.

In this embodiment, the middle part of the clutch pin 7 has a protruding limiting portion 16, and the front end of the clutch pin 7 is equipped with a clutch pin return spring 17, and the front end of the clutch pin return spring 17 is against the The bottom of the first square hole 5, the rear end is against the inner side of the stopper 16; Arresting against the inner side of the latch cap 18, the latch cap 18 effectively prevents the clutch pin 7 from being ejected by the clutch pin return spring 17, and acts as a limiter. When the clutch pin 7 is inserted into the second clutch pin hole 9 , the bolt member 3 is linked with the rotating core 4 .

In this embodiment, the rotating core assembly 1 further includes a reversing member 32 installed on the upper end of the rotating core 4 , and a second square shaft 2 adapted to the square shaft 2 is provided in the middle of the reversing member 32 . hole 33; during assembly, the square shaft 2 passes through the second square hole 33 and the first square hole 5 in sequence, and the rotating core 4 and the reversing member 32 can rotate synchronously through the square shaft. The upper end of the latch member 3 protrudes outward to form an arc-shaped limiting platform 34, and the side end of the reversing member 32 protrudes outward to form a limiting block 35, and the side end of the limiting block 35 abuts against the limiting The side end of platform 34. The latch member 3 can drive the reversing member 32 to rotate through the limiting platform 34 to realize the reversing function of the left and right directions of the clutch, which is simple and convenient to use.

The above embodiments cannot limit the scope of protection of the present invention, and equivalent modifications and changes made by those in the technical field without departing from the overall concept of the present invention still fall within the scope of the present invention.

Claims (10)

1. A lock clutch, comprising a rotating core assembly (1) and a square shaft (2), the rotating core assembly (1) including a bolt (3) and a rotating core ( 4), the middle part of the rotating core (4) is provided with a first square hole (5) compatible with the square shaft (2); the side end of the latch (3) is provided with a first clutch pin hole (6), the first clutch pin hole (6) is provided with a clutch pin (7), the side end of the rotating core (4) is provided with a second clutch pin hole (9), and the clutch pin (7) ) is connected with a clutch pin power mechanism that drives it to be inserted into the second clutch pin hole (9), and is characterized in that the rotating core (4) is connected with a rotating core reset mechanism, and in a natural state, the rotating core reset mechanism The rotating core (4) is driven to rotate, so that the second clutch pin hole (9) is coaxially aligned with the first clutch pin hole (6). 2. The lock clutch according to claim 1, characterized in that it also includes a clutch base (10), the clutch pin power mechanism includes a rotating block (8) and a motor installed on the clutch base (10) Assembly (11), one end of the rotating pull block (8) is hinged on the clutch base (10), the other end is connected with the motor assembly (11), and the motor assembly (11) drives the rotating pull The block (8) swings on a hinged shaft, and the rear end of the clutch pin (7) abuts against the inner side of the rotating pull block (8). 3. The lock clutch according to claim 2, characterized in that the latch (3) is provided with an arc-shaped chute (12), and the rotating core reset mechanism is installed in the chute (12), The lower end of the rotating core (4) has a pushing part (13) that can be inserted into the chute (12), and the rotating core reset mechanism includes two sliders respectively located on both sides of the pushing part (13) part (14), the pushing part (13) pushes the slider part (14) to slide in the chute (12), and the two slider parts (14) are respectively connected with slides that drive them to reset. Block return spring (15). 4. The lock clutch according to claim 3, characterized in that the middle part of the clutch pin (7) has a convex limit portion (16), and the front end of the clutch pin (7) is equipped with a clutch pin return spring (17), the front end of the clutch pin return spring (17) is against the bottom end of the first square hole (5), and the rear end is against the inner side of the limit part (16); the first square hole The front end of the hole (5) is provided with a plug cap (18), and in a natural state, the outer side of the limiting part (16) abuts against the inner side of the plug cap (18). 5. The lock clutch according to claim 3, characterized in that the motor assembly (11) includes a motor base (19), a motor (20), a gear set, a driven wheel shaft (21) and a drive block (22), The motor (20) and the driven wheel shaft (21) are respectively installed on the motor base (19), and the motor (20) drives the driven wheel shaft (21) to rotate through the gear set; the driving block ( One end of 22) is provided with a spring cavity (23), and the other end is connected with the rotating block (8); the middle part of the driven wheel shaft (21) runs through the spring cavity (23), and the driven wheel shaft ( 21) is installed with a driving spring (24) located in the spring chamber (23), the driven wheel shaft (21) has a driving rod (25) perpendicular to the axis, and the driving rod (25) is located on the inside the spring cavity (23). 6. The lock clutch according to claim 5, characterized in that the two ends of the spring chamber (23) are respectively provided with limiting grooves (26), and the two ends of the driving spring (24) are inserted into the limiting grooves respectively. slot (26). 7. The lock clutch according to claim 5, characterized in that the gear set includes a driving wheel (27), a transition wheel (28) and a driven wheel (29), and the driving wheel (27) and the motor (20) The output shaft is connected, the driven wheel (29) is connected with the driven wheel shaft (21); the motor seat (19) is provided with a transition wheel shaft, and the transition wheel (28) is installed on the transition wheel shaft , the transition wheel (28) meshes with the driving wheel (27) and the driven wheel (29) respectively. 8. The lock clutch according to claim 5, characterized in that the other end of the driving block (22) is provided with a slot (30), and the rotating pull block (8) is provided with a slot (30) inserted into the slot (30). ) inside the pull column (31). 9. The lock clutch according to claim 3, characterized in that the rotating core assembly (1) further includes a reversing member (32) installed on the upper end of the rotating core (4), and the reversing member (32) ) is provided with a second square hole (33) adapted to the square shaft (2); during assembly, the square shaft (2) passes through the second square hole (33) and the first square hole in turn hole (5). 10. The lock clutch according to claim 9, characterized in that the upper end of the latch member (3) protrudes outward to form an arc-shaped limiting platform (34), and the side end of the reversing member (32) protrudes outward A limit block (35) is formed, and the side end of the limit block (35) abuts against the side end of the limit platform (34).