CN111779358A

CN111779358A - Rear clutch device

Info

Publication number: CN111779358A
Application number: CN202010549828.8A
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: 2020-10-16

Abstract

The invention discloses a rear clutch device, which belongs to the field of locks and comprises a rotary seat and a rotary disc, wherein the outer circumference of the rotary seat is arranged in a rotary disc inner hole in a matching way, a clutch pin chute communicated with the rotary disc inner hole is radially arranged on the rotary disc, a clutch pin sleeved with a clutch spring is arranged in the clutch pin chute, a groove opposite to the clutch pin is arranged on the outer circumference of the rotary seat, the rotary disc inner hole matched with the outer circumference of the rotary seat is a unthreaded hole, a reversing pin chute communicated with the rotary disc inner hole is radially arranged on the rotary disc, a reversing pin sleeved with a locking spring and extending out of the rotary disc inner hole is arranged in the reversing pin chute, a limiting sleeve limiting the reversing pin in the reversing pin chute is arranged outside the reversing pin chute, a boss opposite to the reversing pin is arranged on the outer circumference of the rotary seat, one end, opposite. The rear clutch device can avoid violent unlocking and has higher safety performance.

Description

Rear clutch device

Technical Field

The invention relates to the field of locks, in particular to a rear clutch of a coded lock.

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 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, therefore there is very big potential safety hazard in current clutch.

Disclosure of Invention

The invention aims to provide a rear clutch with higher safety performance.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a rearmounted clutch, including swivel mount and carousel, the cooperation of swivel mount outer circumference sets up in the carousel hole, the carousel radially is provided with the separation and reunion round pin spout with carousel hole intercommunication, be provided with the separation and reunion round pin that the cover has the separation and reunion spring in the separation and reunion round pin spout, be provided with the recess relative with the separation and reunion round pin on the swivel mount outer circumference, the carousel hole of cooperation with swivel mount outer circumference is the unthreaded hole, the switching-over round pin spout that the carousel radially is provided with and communicates with the carousel hole, be provided with the switching-over round pin that the tip that the cover has the locking spring in the switching-over round pin spout stretches out in the carousel hole, switching-over round pin spout outside is provided with the stop collar of injecing the switching-over round pin in the switching.

The technical scheme of the invention is further improved as follows: 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 technical scheme of the invention is further improved as follows: the inclined planes of the two reversing pins are symmetrically arranged.

The technical scheme of the invention is further improved as follows: 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.

Due to the adoption of the technical scheme, the invention has the technical progress that:

the invention provides a novel rear clutch, wherein an inner hole of a rotary disc of the rear clutch is set to be a unthreaded hole, and a reversing pin with an inclined surface at the end part is correspondingly arranged in the rotary disc, so that the original boss type structure is abandoned, and when the lock is violently unlocked, a handle shaft is rotated along the unlocking direction, even if a limiting device of a handle is damaged, a rotary seat collides with the inclined surface of the reversing pin when rotating, the reversing pin is pressed into a reversing pin sliding groove, and continuously idles, so that the lock cannot be unlocked, the potential safety hazard caused by violent unlocking is avoided, and the safety performance of the lock is improved.

According to the left-opening and right-opening lockset structure, two reversing pin chutes are uniformly distributed on one left side and one right side of the turntable, one reversing pin is arranged in each reversing pin chute, one of the two reversing pins extends into an inner hole of the turntable, and the other reversing pin is limited in the reversing pin chute through a jackscrew, so that the universality of left-and-right unlocking is achieved.

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 diagram of the internal structure of a combination employing the rear clutch of the present invention;

the automatic transmission mechanism comprises a base, a rotary seat, a rotary table, a clutch pin, a groove, a reversing pin, a boss, an electric driver, a push rod, a jackscrew, a driving sector gear, a synchronous gear, a driven sector gear and a synchronous gear, wherein the rotary seat is 1, the rotary table is 2, the rotary table is 3, the clutch pin is 4, the groove is 5, the reversing pin is 6, the boss is.

Detailed Description

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

as shown in figures 1-2, the rear clutch device comprises a rotary seat 1 and a rotary plate 2, the outer circumference of the rotary seat 1 is arranged in an inner hole of the rotary plate 2 in a matched mode, and the inner hole of the rotary plate 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 rotary table 2, and the other one is limited in the reversing pin sliding groove through the jackscrew 9.

As shown in fig. 3, the combination lock using the rear clutch device of the present invention includes a box body, a rear clutch device is arranged in the box body, 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, the clutch plate moves up and down under the drive of the mechanical combination device, a driving sector gear 10 is fixedly connected to a turntable 2 of the clutch device, a synchronizing gear 11 is engaged below the driving sector gear 10, a driven sector gear 12 is engaged below the synchronizing gear 11, two vertical long slots are arranged on the clutch plate, and the two long slots are respectively sleeved on two central rotating shafts of the synchronizing gear 11 and the driven sector gear 12. When leaving the factory, the two jackscrews 9 lock the two reversing pins 5, the rotary seat can rotate 360 degrees, when the installation site is reached, the corresponding jackscrews 9 (marked with R, L in the figure) are loosened and detached according to the opening direction of the door, and the reversing pins in the corresponding direction are 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.

When the coded lock disclosed by the invention is subjected to violent unlocking, the rotary seat 1 and the rotary disc 2 are separated and cannot synchronously rotate, the rotary seat 1 is continuously rotated, the reversing pin 5 is extruded into the reversing pin sliding groove when the lug boss 6 on the rotary seat 1 is contacted with the reversing pin 5, and the coded lock continuously idles, so that the violent unlocking is avoided.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a rearmounted clutch, includes swivel mount (1) and carousel (2), and the cooperation setting of the outer circumference of swivel mount (1) is in carousel (2) hole, and carousel (2) radially is provided with the separation and reunion round pin spout with carousel (2) hole intercommunication, is provided with separation and reunion round pin (3) that the cover has the separation and reunion spring in the separation and reunion round pin spout, is provided with recess (4) relative with separation and reunion round pin (3) on swivel mount (1) outer circumference, its characterized in that: the inner hole of the rotary table matched with the outer circumference of the rotary table (1) 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 (2), a reversing pin (5) sleeved with a locking spring and extending out of the inner hole of the rotary table (2) is arranged in the reversing pin sliding groove, a limiting sleeve limiting 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.

2. A rear clutch device according to claim 1, characterized in that: 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 (9), and two bosses (6) are arranged on the outer circumference of the rotary table (1) corresponding to the reversing pins (5).

3. A rear clutch device according to claim 2, characterized in that: the inclined planes of the two reversing pins (5) are symmetrically arranged.

4. A rear clutch device according to claim 1, characterized in that: 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).