CN203321101U

CN203321101U - Improved lock cylinder mechanism with idling function

Info

Publication number: CN203321101U
Application number: CN2013203417027U
Authority: CN
Inventors: 徐钜祥
Original assignee: FUZHOU JINFU LOCKS Co Ltd
Current assignee: FUZHOU JINFU LOCKS Co Ltd
Priority date: 2013-06-16
Filing date: 2013-06-16
Publication date: 2013-12-04
Anticipated expiration: 2023-06-16

Abstract

The utility model relates to an improved lock cylinder mechanism with an idling function, comprising lock cylinder shaft outer sleeves, a lock cylinder shaft and an unlocking poking wheel, wherein the lock cylinder shaft is rotatably sleeved in the lock cylinder shaft outer sleeves, long grooves are formed in the lock cylinder shaft and are internally provided with stop pins matched with marbles in the lock cylinder shaft, the unlocking poking wheel is internally provided with two opposite transmission parts, the transmission parts are sleeved and limited on a connecting shaft, externally sleeved with a supporting spring, in a sliding way, the two ends of the supporting spring are pressed on the two transmission parts on two sides, the two ends of the connecting shaft enter key insertion holes in two sides of the lock cylinder, the transmission parts are matched with extending parts of the front ends of the stop pins, the periphery of the lock cylinder shaft is provided with annular grooves on which supporting sliders are axially arranged, one end of each supporting slider is provided with a pressure spring, and the other end of each supporting slider is matched with the related stop pin. According to the improved lock cylinder mechanism, when dense teeth of a key are not matched or a lock cylinder is rotated by violent impact, the lock cylinder is only in an idling state, and the antitheft performance of the lock cylinder is greatly improved; the advantages of strong anti-poking performance, low fault rate and strong reliability are achieved.

Description

A kind of improved lock core mechanism with lost motion functionality

Technical field

The utility model relates to a kind of improved lock core mechanism with lost motion functionality.

Background technology

Traditional lock core mechanism, generally all adopt upper and lower pellet or blade as Cipher mechanism, the structure design of simple upper and lower pellet is simpler and cruder, theftproof performance a little less than, and the employing blade is as the lock core of Cipher mechanism, be all that the blade arranged by difference and the groove fit of lock core shaft's overcoat are locked, its structure design is also more common, and the performance that anti-violence is opened is not strong yet; And in use, the key of insertion easily swings, the feel of operation is not good, and comparatively speaking, fault rate is also higher.

Summary of the invention

In order to overcome the simplicity of design of the Cipher mechanism of common lock core mechanism in prior art, the performance that anti-violence is opened is weak, the not good problem of feel of operation, the utility model provides a kind of lock core mechanism with lost motion functionality, and the performance that convenient, the anti-dial anti-violence of the unlock operation of this lock core mechanism is opened is strong, failure rate is low, reliability are strong.

The utility model solves the technical scheme that its technical problem adopts: comprise lock core shaft's overcoat, lock core shaft and the thumb wheel of unblanking, lock core shaft is socketed in lock core shaft's outer casing internal diameter and is rotatably assorted to fixing and forming, offer elongated slot in lock core shaft, install stop pin in elongated slot, stop pin matches with the pellet in lock core shaft, and the front end of stop pin has extension; There are two driving members that are oppositely arranged in the thumb wheel of unblanking, driving member is slidably socketed spacing on the connecting axle of overcoat top spring, the top, two ends of top spring is pressed on two driving members of both sides, the two ends of connecting axle enter the key hole of both sides lock core shaft, and driving member matches with the extension of stop pin front end; Offer annular groove on the periphery of lock core shaft, top sliding block axially is set on annular groove, a side of top sliding block arranges stage clip, and opposite side matches with stop pin.

In lock core shaft, a side of key hole arranges the key positioner steel ball, and a side of key positioner steel ball is provided with elastic component.

In the lock core shaft of key hole axis sidepiece, the pellet blind hole is set in lock core shaft, one side of pellet blind hole is communicated with key hole, assembling spring and pellet in the pellet blind hole, one side of pellet forms projection and gives prominence in key hole, the opposite side setting of pellet pushes to slide groove, push to slide groove and match with the stop pin in elongated slot in relative lock core shaft, the opposite face of stop pin and pellet is provided with lock slots.

The utility model is by above-mentioned specific design, the close tooth of key do not mate or lock core while rotated by violence impact lock core only in idling conditions, greatly improved the theftproof performance of lock core, have advantages of that anti-dial performance is strong, failure rate is low, reliability be strong.

The accompanying drawing explanation

Below in conjunction with drawings and Examples, detailed content of the present utility model is described.

Fig. 1 is decomposition texture schematic diagram of the present utility model.

Fig. 2 is the assembly structure schematic diagram after the utility model inserts key.

Fig. 3 is the sectional view after the utility model inserts key.

Fig. 4 is the A-A sectional view of Fig. 2.

Fig. 5 is the B-B sectional view of Fig. 3.

Fig. 6 is the assembly structure schematic diagram that the utility model does not insert key.

Fig. 7 is the sectional view after the utility model does not insert key.

Fig. 8 is the C-C sectional view of Fig. 6.

Fig. 9 is the D-D sectional view of Fig. 7.

The specific embodiment

As shown in the figure, the utility model comprises lock core shaft's overcoat 1, lock core shaft 2 and the thumb wheel 3 of unblanking, lock core shaft 2 is socketed in lock core shaft's overcoat 2 radially to fix and form and is rotatably assorted, in the lock core shaft 2 of the interior key hole 4 axis sidepieces of lock core shaft 2, pellet blind hole 5 is set, one side of pellet blind hole 5 is communicated with key hole 4, assembling spring 6 and pellet 7 in pellet blind hole 5, one side of pellet 7 forms projection 8 and gives prominence in key hole 4, the opposite side setting of pellet 6 pushes to slide groove 9, offer elongated slot 10 in the lock core shaft relative with pushing to slide groove 92, installing stop pin 11 in elongated slot 10, pushing to slide groove 9 matches with stop pin 11, stop pin 11 is provided with lock slots 12 on the face relative with pellet 7, and match with the pellet 7 in lock core shaft 2 by lock slots 12, the front end of stop pin 11 has extension 13, there are two driving members that are oppositely arranged 14 in the thumb wheel 3 of unblanking, the two side ends of driving member 14 is provided with the lug 22 that resets, driving member 14 is slidably socketed spacing on the connecting axle 16 of overcoat top spring 15, the top, two ends of top spring 15 is pressed on two driving members 14 of both sides, the two ends of connecting axle 16 enter the key hole 4 of both sides lock core shaft 2, and driving member 14 matches with the extension 13 of stop pin 11 front ends, offer annular groove 17 on the periphery of lock core shaft 2, top sliding block 18 axially is set on annular groove 17, a side of top sliding block 18 arranges stage clip 19, and opposite side matches with stop pin 11, top spring 15 elastic force be greater than the elastic force of stage clip 19.In lock core shaft 2, a side of key hole 4 arranges key positioner steel ball 20, and a side of key positioner steel ball 20 is provided with elastic component 21.Insert key while unblanking, the resistance that groove on the key two side blocks the projection 8 on both sides pellet 7 simultaneously and overcomes spring 6 slides each pellet 7, the groove 9 slippage alignment that push to slide on each pellet 7 draw a straight line, resistance promotion connecting axle 16 and adjacent driving member 14 that the top of key overcomes top spring 15 simultaneously slide in the thumb wheel 3 of unblanking, now, stage clip 19 generation effects, it promotes stop pin 11 by top sliding block 18 and moves ahead along the groove 9 that pushes to slide that the slippage alignment draws a straight line, its extension 13 enters the thumb wheel 3 of unblanking, lock core shaft 2 can drive the thumb wheel 3 of unblanking by stop pin 11 and rotarily open, key can be by key positioner steel ball 20 location of pressurized, prevent from being ejected by top spring 15.After key is extracted, the resistance that lockweight 11 overcomes stage clip 19 under the effect of top spring 15 resets along connecting the straight groove 9 that pushes to slide, the lock slots 12 that each pellet 7 slips on stop pin 11 makes stop pin 11 lockings, now, unmatched key inserts or uses violent means and all can only make lock core shaft's 2 idle running, the extension 13 of stop pin 11 can not enter the thumb wheel 3 of unblanking, and lock can not be opened.Above-described embodiment is described a kind of improved preferred embodiment with lock core mechanism of lost motion functionality of the utility model; not design and the scope of utility model are limited; under the prerequisite that does not break away from the utility model scheme; various external form modification and improvement that those skilled in the art make the technical solution of the utility model, all should fall into a kind of improved protection domain with lock core mechanism of lost motion functionality of the utility model.

Claims

1. the improved lock core mechanism with lost motion functionality, comprise lock core shaft's overcoat, lock core shaft and the thumb wheel of unblanking, lock core shaft is socketed in lock core shaft's outer casing internal diameter and is rotatably assorted to fixing and forming, it is characterized in that offering elongated slot (10) in lock core shaft (2), installing stop pin (11) in elongated slot (10), stop pin (11) matches with the pellet (7) in lock core shaft (2), and the front end of stop pin (11) has extension (13); There are two driving members that are oppositely arranged (14) in the thumb wheel of unblanking (3), driving member (14) is slidably socketed on the spacing connecting axle at overcoat top spring (15) (16), the top, two ends of top spring (15) is pressed on two driving members (14) of both sides, the two ends of connecting axle (16) enter the key hole (4) of both sides lock core shaft (2), and driving member (14) matches with the extension (13) of stop pin (11) front end; Offer annular groove (17) on the periphery of lock core shaft (2), top sliding block (18) axially is set on annular groove (17), a side of top sliding block (18) arranges stage clip (19), and opposite side matches with stop pin (11).

2. a kind of improved lock core mechanism with lost motion functionality according to claim 1, a side that it is characterized in that key hole (4) in lock core shaft (2) arranges key positioner steel ball (20), and a side of key positioner steel ball (20) is provided with elastic component (21).

3. a kind of improved lock core mechanism with lost motion functionality according to claim 1 and 2, it is characterized in that, in the lock core shaft (2) of key hole (4) axis sidepiece in lock core shaft (2), pellet blind hole (5) is set, one side of pellet blind hole (5) is communicated with key hole (4), assembling spring (6) and pellet (7) in pellet blind hole (5), one side of pellet (7) forms projection (8) and gives prominence in key hole (4), the opposite side setting of pellet (6) pushes to slide groove (9), pushing to slide groove (9) matches with the stop pin (11) in relative lock core shaft (2) upper elongated slot (10), stop pin (11) is provided with lock slots (12) with the opposite face of pellet (6).