CN213573401U

CN213573401U - Coded lock with rear clutch device

Info

Publication number: CN213573401U
Application number: CN202021113121.4U
Authority: CN
Inventors: 汪星龙; 张云; 王洲
Original assignee: Shijiazhuang Kaikewei Road Science And Technology Center LP
Current assignee: Shijiazhuang Kaikewei Road Science And Technology Center LP
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-06-29
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a coded lock with a rear clutch device, belonging to the lock field, comprising a box body, wherein the box body is internally provided with the rear clutch device which comprises a rotary seat and a rotary disc, the outer circumference of the rotary seat is arranged in the inner hole of the rotary disc in a matching way, a clutch pin extending into the hole in the rotary table is arranged in the radial direction of the rotary table, a groove opposite to the clutch pin is arranged on the outer circumference of the rotary table, the inner hole of the rotary table matched with the outer circumference of the rotary seat is a unthreaded hole, a reversing pin sliding groove communicated with the inner hole of the rotary table is radially arranged on the rotary table, a reversing pin sleeved with a locking spring and extending out of the inner hole of the rotary table is arranged in the reversing pin sliding groove, a limiting sleeve limiting the reversing pin in the reversing pin sliding groove is arranged on the outer side of the reversing pin sliding groove, a boss opposite to the reversing pin is arranged on the outer circumference of the rotary seat, one end, opposite to the boss, of the reversing pin is an inclined surface, and the inclined surface is opposite to the rotating. The utility model discloses a trick lock can avoid violence to unblank, and the security performance is higher.

Description

Coded lock with rear clutch device

Technical Field

The utility model belongs to the technical field of the tool to lock and specifically relates to a trick lock with afterdrive clutch device.

Background

The existing door lock mostly adopts an electronic lock and a coded lock, the electronic lock mainly comprises a door handle, a handle shaft, a clutch rotating shaft and a clutch control module, and the clutch control module can control whether the clutch rotating shaft is clamped with the handle shaft or not, so that the door lock can be locked or opened and closed.

A keyless electromechanical double-control combination lock is disclosed in (CN 207017809) and comprises a mechanical combination device which independently controls the action of a clutch device and comprises a combination disk capable of changing the combination. The mechanical password device comprises a lock cylinder code pulling mechanism and a lifting device driven by the lock cylinder code pulling mechanism during unlocking, a lifting hook for driving the clutch plate to move upwards is arranged on the lifting device, and a lifting column opposite to the lifting hook is arranged on the lower portion of the clutch plate. The lock cylinder code pulling mechanism is fixed in the box body, the lifting device comprises a code detecting support which is hinged to the box body and is compressed at a notch of a code disc of the lock cylinder code pulling mechanism through a torsion spring, a driving disc which is coaxially rotated with the lock cylinder code pulling mechanism is further arranged on the box body, a circular arc-shaped driving track which is concentrically arranged with the driving disc is arranged on the driving disc, one end of the driving track is provided with a notch, a latch pull rod which is in contact with the code detecting support and is pressed into the driving track by the code detecting support under the unlocking driving of the lock cylinder code pulling mechanism is arranged outside the notch, the upper end of the latch pull rod is connected with a lifting plate which moves up and down through a lever mechanism. The lever mechanism comprises a lever, one end of the lever is connected with the latch pull rod, the other end of the lever is connected with the lifting plate, and the middle of the lever is hinged with the box body through a lever rotating shaft. When the end of the lever connected with the lifting plate moves upwards, the lifting plate drives the lifting hook to move upwards synchronously, and the lifting hook hooks the lifting column so as to drive the clutch plate to move upwards to realize unlocking.

Patent (CN 207194625U) discloses a tool to lock clutch module and tool to lock, the clutch is including the carousel and the swivel mount of mutually supporting, be provided with the spout on the carousel, and be provided with the recess in swivel mount corresponding position department, it is provided with the separation and reunion round pin to slide in the spout, the separation and reunion round pin can be followed the spout and slided, when the separation and reunion round pin stretches into in the recess, can be with carousel and swivel mount block, both can coaxial common rotation, and when separation and reunion round pin roll-off recess, unable coaxial rotation between the two, at this moment, the tool to lock is in the locking state, still the cover is equipped with the separation and reunion spring on the separation and reunion round pin, the separation and reunion spring sets firmly inside the spout, when the separation and reunion round pin is pushed up in the recess, it can provide the power of return for. The rotary spring is fixedly connected to the rotary disc and used for recovering the rotation angle of the rotary disc. But the tool to lock that has this clutch is when dealing with the violence condition of unblanking, through rotate the swivel mount by force alright drive the carousel and rotate together, realize the violence and open the door, consequently there is very big potential safety hazard in current tool to lock.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a higher trick lock that has rearmounted clutch of security performance.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a cipher lock with a rear clutch device is composed of a box body with a rear clutch device, an electric driver above said rear clutch device, a push rod of said electric driver, a clutch pin at the upper end of said rear clutch device, a clutch pin at the lower end of said rear clutch device, a drive sector gear fixed to the rotary disk of said rear clutch device, a synchronizing gear engaged with said drive sector gear, a driven sector gear engaged with said synchronizing gear, two vertical slots on said clutch plate and sleeved by the central axles of said synchronizing gear and driven sector gear, a rotary table with rotary seat and rotary disk, and a clutch pin slot communicated with the internal hole of rotary table, the clutch pin chute is internally provided with a clutch pin sleeved with a clutch spring, the outer circumference of the rotary seat is provided with a groove opposite to the clutch pin, the inner hole of the rotary plate matched with the outer circumference of the rotary seat is a unthreaded hole, the rotary plate is radially provided with a reversing pin chute communicated with the inner hole of the rotary plate, the reversing pin chute is internally provided with a reversing pin sleeved with a locking spring, the end part of the reversing pin chute extends into the inner hole of the rotary plate, the outer side of the reversing pin chute is provided with a limiting sleeve limiting the reversing pin in the reversing pin chute, the outer circumference of the rotary seat is provided with a boss opposite to the reversing pin, the end of the reversing pin opposite to the.

The utility model discloses technical scheme's further improvement lies in: the locking mechanism is characterized in that a U-shaped groove is formed in the circumference of the side face of the synchronous gear, a night locking pin capable of moving left and right is arranged outside the U-shaped groove, and a locking spring tightly pressed on a night locking pin shaft is arranged on the night locking pin.

The utility model discloses technical scheme's further improvement lies in: one U-shaped groove is formed, and one night locking pin is correspondingly arranged.

The utility model discloses technical scheme's further improvement lies in: the U-shaped grooves are arranged in two numbers, the two U-shaped grooves are uniformly distributed on the circumference of the synchronous gear, and the locking pin at night is correspondingly arranged in two numbers.

The utility model discloses technical scheme's further improvement lies in: two reversing pin sliding grooves are uniformly distributed on one left side and one right side of the rotary table, a reversing pin is arranged in each reversing pin sliding groove, one of the two reversing pins extends out of an inner hole of the rotary table, the other reversing pin is limited in the reversing pin sliding grooves through jackscrews, and two bosses are arranged on the outer circumference of the rotary table corresponding to the reversing pins.

The utility model discloses technical scheme's further improvement lies in: the inclined planes of the two reversing pins are symmetrically arranged.

The utility model discloses technical scheme's further improvement lies in: two clutch pins are arranged on the upper portion and the lower portion in the rotary table, and two grooves are formed in the outer circumference of the rotary table and correspond to the clutch pins.

The utility model discloses technical scheme's further improvement lies in: the mechanical cipher device comprises a lock cylinder dial-up mechanism and a lifting device driven by the lock cylinder dial-up mechanism during unlocking, the lifting device comprises a latch pull rod pressed into a driving track by a code detection support under the unlocking driving of the lock cylinder dial-up mechanism, the upper end of the latch pull rod is contacted with a lifting plate which moves up and down through a lever mechanism, a lifting hook which drives a clutch plate to move upwards is hinged to the side surface of the lifting plate, the lever mechanism comprises a lever, one end of the lever is hinged to the latch pull rod, the other end of the lever is contacted with the bottom surface of the lifting plate, and the lower end of the lifting plate is connected with a reset spring which is fixed on the box.

The utility model discloses technical scheme's further improvement lies in: the middle part of the lifting hook is provided with a reset bulge, the reset bulge is contacted with the arc section of the driven sector gear, and the lifting hook is pushed to swing to one side when the driven sector gear rotates, so that the lifting hook is separated from the clutch plate.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

the utility model provides a new trick lock with rearmounted clutch, set the unthreaded hole with rearmounted clutch's carousel hole, the corresponding switching-over round pin that sets up the tip in the carousel and set up the inclined plane, original boss formula's structure has been abandoned, when violently unblanking, rotate the handle axle along the direction of unblanking, even destroyed the stop device of handle, when the swivel mount rotates with the inclined plane collision of switching-over round pin, in the switching-over round pin spout is impressed, continuously take place idle running, can't open the tool to lock, consequently, avoid violently unblanking the potential safety hazard brought, the security performance of tool to lock has been improved.

The utility model discloses the equipartition of one left right side has two switching-over round pin spouts on the carousel, all is provided with a switching-over round pin in every switching-over round pin spout, according to the tool to lock structure of opening left, right side, stretches out one of two switching-over round pins in the carousel hole, and another one is restricted within the switching-over round pin spout through the jackscrew, has reached the commonality of controlling the unblanking.

The utility model discloses a trick lock has increased neotype locking round pin at night, further improves the security performance of tool to lock.

Drawings

FIG. 1 is an exploded view of a swivel mount and swivel plate of the rear clutch assembly;

FIG. 2 is an exploded view of the turntable;

FIG. 3 is a schematic structural view of a combination lock;

FIG. 4 is a rear view of the internal structure of the combination lock of FIG. 3;

FIG. 5 is a schematic view of the electric drive, drive sector gear and synchronizing gear mating;

FIG. 6 is a schematic structural diagram of the mechanical cipher device of the present invention;

the device comprises a rotating base 1, a rotating base 2, a rotating disc 3, a clutch pin 4, a groove 5, a reversing pin 6, a boss 7, an electric driver 8, a push rod 9, a clutch plate 10, a driving sector gear 11, a synchronous gear 12, a driven sector gear 13, a code detecting support 14, a lock latch pull rod 15, a lifting plate 16, a horizontal contact plate 17, a lifting hook 18, a lever 19, a reset spring 20, a reset bulge 21, a U-shaped groove 22, a night locking pin 23, a locking spring 24 and a jack screw.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

as shown in fig. 1 to 6, a coded lock with a rear clutch device comprises a box body, the box body is internally provided with the rear clutch device, an electric driver 7 is arranged above the rear clutch device, a push rod 8 of the electric driver 7 is opposite to a clutch pin 3 at the upper end of the rear clutch device, the clutch pin 3 at the lower end of the rear clutch device is opposite to a clutch plate 9, the clutch plate 9 moves up and down under the driving of a mechanical coded device, a rotating disc 2 of the clutch device is fixedly connected with an active sector gear 10, a synchronous gear 11 is meshed below the active sector gear 10, a driven sector gear 12 is meshed below the synchronous gear 11, the clutch plate 9 is provided with two vertical elongated slots, and the two elongated slots are respectively sleeved on two central rotating shafts of the synchronous gear 11 and the driven sector gear 12.

The rear clutch device comprises a rotary seat 1 and a rotary disc 2, the outer circumference of the rotary seat 1 is arranged in the inner hole of the rotary disc 2 in a matching mode, and the inner hole of the rotary disc matched with the outer circumference of the rotary seat 1 is a unthreaded hole. An upper clutch pin chute and a lower clutch pin chute which are communicated with an inner hole of the rotary table 2 are arranged in the radial direction of the rotary table 2, a clutch pin 3 sleeved with a clutch spring is arranged in the clutch pin chute, and a groove 4 opposite to the clutch pin 3 is arranged on the outer circumference of the rotary table 1; the rotary table 2 is provided with a left reversing pin sliding groove and a right reversing pin sliding groove which are communicated with an inner hole of the rotary table in the radial direction, a reversing pin 5 sleeved with a locking spring is arranged in the reversing pin sliding groove, a limiting sleeve is arranged on the outer side of the reversing pin sliding groove, the reversing pin 5 is limited in the reversing pin sliding groove by the limiting sleeve, a boss 6 opposite to the reversing pin 5 is arranged on the outer circumference of the rotary table 1, one end, opposite to the boss 6, of the reversing pin 5 is an inclined surface, and the inclined surfaces of the. Wherein, only one of the two reversing pins 5 can extend into the inner hole of the turntable 2, and the other one is limited in the reversing pin sliding groove through the jackscrew 24, as shown in fig. 5, when leaving the factory, the two jackscrews 24 lock the two reversing pins 5, the rotary seat can rotate 360 degrees, when arriving at the installation site, the corresponding jackscrew 24 (marked with R, L in the figure) is loosened and detached according to the door opening direction, and the reversing pin in the corresponding direction is released. The inclined surface of one end of the reversing pin 5 opposite to the lug boss 6 is opposite to the rotating direction of the rotating seat 1 in the unlocking state.

Use the utility model discloses a trick lock is when meeting with the violence and unblanking, and swivel mount 1 and 2 both separation of carousel can't rotate in step, continue to rotate swivel mount 1, and in will reversing pin 5 crowded reversing pin spout when boss 6 on the swivel mount 1 and reversing pin 5 contact, continue idle running, avoid the violence to unblank.

The mechanical cipher device comprises a lock cylinder dial mechanism and a lifting device driven by the lock cylinder dial mechanism during unlocking, the lifting device comprises a latch pull rod 14 pressed into a driving track by a code detection support 13 under the unlocking driving of the lock cylinder dial mechanism, the upper end of the latch pull rod 14 is contacted with a lifting plate 15 moving up and down through a lever mechanism, the side surface of the lifting plate 15 is hinged with a lifting hook 17 driving a clutch plate 9 to move up, the lifting plate 15 is provided with a vertical long groove, the vertical long groove is fixedly attached to the front side wall of a box body through a cross-connecting screw and can move up and down along the front side wall, the lower end of the lifting plate 15 is provided with a horizontal contact plate 24 extending towards the rear side wall of the box body, the lever mechanism comprises a lever 18, one end of the lever 18 is hinged with the latch pull rod 14, the other end of the lever 18 is contacted with the bottom surface of, the lower end of the lifting plate 15 is connected with a return spring 19 which is fixed on the box body and provides downward pulling force for the lifting plate 15.

Wherein, the middle part of the lifting hook 17 is provided with a reset bulge 20, the reset bulge 20 is contacted with the circular arc section of the driven sector gear 12, and the driven sector gear 12 pushes the lifting hook 17 to swing to one side when rotating, so that the lifting hook 17 is separated from the clutch plate 9.

The utility model discloses still designed new shutting structure at night, it is concrete, be provided with U type recess 21 on 11 both sides circumferences of synchronizing gear, U type recess 21 is provided with the night locking round pin 22 that removes about can, be provided with on the locking round pin 22 at night and sticis at night locking round pin 22 epaxial locking spring 23.

One or two U-shaped grooves 21 can be correspondingly provided with one or two night locking pins; preferably, there are two U-shaped grooves 21, the two U-shaped grooves 21 are uniformly distributed on the circumference of the synchronizing gear 11, and there are two night locking pins 22.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a trick lock with rearmounted clutching device, includes the box body, is provided with rearmounted clutching device in the box body, and rearmounted clutching device top is provided with electric actuator (7), and clutch pin (3) of push rod (8) and rearmounted clutching device's upper end of electric actuator (7) are relative, and clutch pin (3) and the clutch plate (9) that reciprocate under the drive of machinery password device of rearmounted clutching device are relative, its characterized in that: the rear clutch device comprises a rotary seat (1) and a rotary plate (2), wherein the outer circumference of the rotary seat (1) is arranged in an inner hole of the rotary plate (2) in a matching way, a clutch pin chute communicated with the inner hole of the rotary plate (2) is radially arranged on the rotary plate (2), a clutch pin (3) sleeved with a clutch spring is arranged in the clutch pin chute, a groove (4) opposite to the clutch pin (3) is arranged on the outer circumference of the rotary seat (1), and the inner hole of the rotary plate matched with the outer circumference of the rotary seat (1) is a unthreaded hole, the rotary table is characterized in that a reversing pin sliding groove communicated with an inner hole of the rotary table is radially arranged on the rotary table (2), a reversing pin (5) which is provided with a locking spring and extends out of the end of the locking spring is arranged in the reversing pin sliding groove, a limiting sleeve which limits the reversing pin (5) in the reversing pin sliding groove is arranged on the outer side of the reversing pin sliding groove, a boss (6) opposite to the reversing pin (5) is arranged on the outer circumference of the rotary table (1), one end, opposite to the boss (6), of the reversing pin (5) is an inclined surface, and the inclined surface is opposite to the rotating direction of the rotary table (1).

2. A combination lock with a rear clutch device according to claim 1, wherein: the synchronous gear is characterized in that a U-shaped groove (21) is formed in the circumference of the side face of the synchronous gear (11), a night locking pin (22) capable of moving left and right is arranged outside the U-shaped groove (21), and a locking spring (23) tightly pressed on a pin shaft of the night locking pin (22) is arranged on the night locking pin (22).

3. A combination lock with a rear clutch device according to claim 2, wherein: one U-shaped groove (21) is arranged, and one night locking pin (22) is correspondingly arranged.

4. A combination lock with a rear clutch device according to claim 2, wherein: the number of the U-shaped grooves (21) is two, the two U-shaped grooves (21) are uniformly distributed on the circumference of the synchronous gear (11), and the number of the night locking pins (22) is two.

5. A combination lock with a rear clutch device according to claim 1, wherein: two reversing pin sliding grooves are uniformly distributed on one left side and one right side of the rotary table (2), a reversing pin (5) is arranged in each reversing pin sliding groove, one of the two reversing pins (5) extends out of an inner hole of the rotary table (2), the other reversing pin is limited in the reversing pin sliding groove through a jackscrew (24), and two bosses (6) are arranged on the outer circumference of the rotary table (1) corresponding to the reversing pins (5).

6. A combination lock with a rear clutch device according to claim 5, wherein: the inclined planes of the two reversing pins (5) are symmetrically arranged.

7. A combination lock with a rear clutch device according to claim 1, wherein: two clutch pins (3) are arranged one above the other in the turntable (2), and two grooves (4) are arranged on the outer circumference of the rotary seat (1) corresponding to the clutch pins (3).

8. A combination lock with a rear clutch device according to claim 1, wherein: mechanical code device is including lock core dial-up mechanism and the hoisting device of lock core dial-up mechanism drive when unblock, hoisting device includes lock latch pull rod (14) of being impressed in the drive track by probe code support (13) under lock core dial-up mechanism unblock drive, lift board (15) contact that lever mechanism and reciprocated is passed through to lock latch pull rod (14) upper end, it has promotion hook (17) that drive clutch disc (9) upward movement to articulate on lift board (15) side, lever mechanism includes lever (18), lever (18) one end is articulated with lock latch pull rod (14), the lever (18) other end contacts with lift board (15) bottom surface, lift board (15) lower extreme is connected with fixes and provides decurrent pulling force reset spring (19) for lift board (15) on the box body.

9. A combination lock with a rear clutch device according to claim 8, wherein: the middle part of the lifting hook (17) is provided with a reset bulge (20), the reset bulge (20) is contacted with the circular arc section of the driven sector gear (12), and the driven sector gear (12) pushes the lifting hook (17) to swing to one side to separate the lifting hook (17) from the clutch plate (9) when rotating.