CN201460525U

CN201460525U - Idle run lock

Info

Publication number: CN201460525U
Application number: CN2009200759613U
Authority: CN
Inventors: 孙建华; 沈其衡
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-07
Filing date: 2009-08-07
Publication date: 2010-05-12
Anticipated expiration: 2019-08-07

Abstract

The utility model relates to a mechanical lock, in particular to an idle run lock. The utility model discloses an idle run lock which comprises a key, a lock pin, a spring bolt, a lock body, a resistance steel ball, a spring or a resistance striking flake and a lock ring, wherein an ex-circle of a rotation lock sleeve is provided with a stopping slot or a stopping pin or a stopping platform shoulder, wherein the corresponding position of the lock body and the rotation lock sleeve is provided with the corresponding stopping pin, stopping slot or stopping platform shoulder, stopping slots are respectively arranged on the ex-circle of the rotation lock sleeve or an inner circle of the lock body, a stopping clamping ring is clamped in the stopping slot, or none stopping facilities are arranged on the ex-circle of the rotation lock sleeve, only one stopping cover for preventing the rotation lock sleeve from retreating from the lock body is arranged on the end surface of the lock body, and the utility model relates to an idle run lock with excellent anti-theft performance, simple structure, easy manufacture, strong rigidity and lower failure rate.

Description

The idle running lock

Technical field: the utility model belongs to the mechanical lock field, relates to a kind of idle running lock.

Background technology: present bicycle, electric motor car, used all kinds of locksets of motorcycle and have the padlock of various uses and the handle lock that automobile is used, clutch lock etc., because lock core be difficult to keep out the thief use hard instrument brute force turn round the sled and lost efficacy, be to cause to steal the frequent main cause that takes place of case, so people just constantly improve the pick-proof of lock core with the marble amount that increases lock core inside, but still difficult anti-strong sled destroys, how pick-proof has been the problem that people more and more pay close attention to tapered end, therefore, people had invented several idle running locks constantly making great efforts to try hard to seek out the method for dealing with problems in recent years, Chinese patent publication number CN101139891A, open day on March 12nd, 2008, the patent No. 200610037597.2, the name of innovation and creation is called: lamina capable of turning changes 360 ° anti-theft lock end, Chinese patent publication number CN101250956A, open day on August 27th, 2008, the patent No. 200810030910.9, the name of innovation and creation is called: the tapered end of band idle-run lock pin.Above-mentioned two inventions have realized Lock cylinder idling when brute force is turned round the picking lock core and have not driven dead bolt rotation, and have to prevent to turn round the effect of prying open lock, but weak point is: 1, complex structure, component cause the fault rate height more; 2, machine parts'precise, processing difficulties cause the cost height; 3, because of having increased inside and outside card article, arc slide plate in the narrow and small inside of lock core or having increased front and back lock core, locking side column etc. and many tiny flexible members, the different groove of machining shape on tiny pellet shot from a slingshot or blade again, make the crowded rigidity shortcoming in its space, have the dust dirt to enter slightly just to cause idle running to lose efficacy, even self original key is not opened yet and has been locked; When 4, normally opening, the inner many parts of lock core are done radial motion earlier and are transferred axially-movable again to and transfer to rotatablely moving again and operate dead bolt and open, and therefore, as long as there is a link malfunctioning in all too many levels, then cause the integral body of lockset to scrap.

Summary of the invention: the purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provide that a kind of theftproof performance is good, simple in structure, handling ease, rigidity is strong, fault rate is low pick-proof lock, in order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:

The utility model comprises key, lock core, dead bolt, lock body, resistance steel ball, spring or resistance shell fragment and lock ring, the cylindrical of described rotation lock tube is provided with back stop slot or retaining pin or retaining shoulder, lock body with the rotation lock tube corresponding with it retaining pin or back stop slot or the retaining shoulder of corresponding position setting; The interior circle of the cylindrical of perhaps described rotation lock tube and lock body is provided with back stop slot respectively, the retaining snap ring is embedded in the back stop slot, the cylindrical of perhaps described rotation lock tube is not established the retaining facility, prevents to rotate the retaining lid that lock tube withdraws from lock body and only be provided with one at the end face of lock body.

Have skewed slot or L groove on described rotation lock tube or the lock core, put in corresponding with it lock core or rotation lock and be provided with sliding pin, dead bolt and lock core are connected as a single entity or are divided into both, and lock core be divided into both dead bolt and lock body between stage clip of increase.

Have straight trough on described rotation lock tube or the dead bolt, dead bolt or rotation lock put and are provided with sliding pin, and dead bolt and lock core are divided into both, are provided with the concave panel and the convex of complementary fit between the two.

A kind of idle running lock of the utility model has following beneficial effect compared with prior art:

1, theftproof performance is good, can prevent from firmly to turn round the picking lock core and the property loss that causes; 2, simple in structure, component are few, thereby the drawback of having avoided dust, greasy dirt easily to cause the idle running lock of prior art normally to open; 3, adopt the common parts cost to hang down and make the manufacturing assembling all easy, be well suited for large-scale production; When 4, normally opening, save the radial motion of lock core internal mechanism, directly finish unlatching, block action, promptly have and prevent turning round the sled function, the low advantage of common lockset fault rate is arranged again by axially-movable operation dead bolt.

Description of drawings: Fig. 1 to Figure 12 is the schematic diagram of 12 kinds of specific embodiments of the utility model idle running lock.

The specific embodiment: the specific embodiment of the present utility model is further described below in conjunction with accompanying drawing.

12 kinds of embodiment of idle running lock described in the utility model comprise altogether: key 1, back stop slot 2, retaining snap ring 3, pit 4, skewed slot 5, sliding pin 6, rotation lock tube 7, lock core 8, dead bolt 9, stage clip 10, resistance steel ball 11, spring 12, lock tube hole 13, locating hole 14, dead bolt hole 15, lock ring hole 16, lock body 17, lock ring 18, pin 19, lock ring groove 20, retaining pin 21, retaining cover 22, retaining shoulder 23, retaining lid 24, L groove 25, resistance shell fragment 26, straight trough 27, convex 28, spill 29, anti-drilling retaining lid 30, helical teeth shape 31, locating slot 32, lock fork 33.

In Fig. 1, the left end of lock body 17 is provided with lock ring groove 20, pack in the lock ring groove 20 in lock ring 18 left sides, with pin 19 lock ring 18 is linked to each other with lock body 17, lock ring 18 can rotate in lock ring groove 20 but can not break away from, the right-hand member of lock body 17 is provided with back stop slot 2, lock tube hole 13, dead bolt hole 15 and lock ring hole 16, the dead bolt hole 15 of packing into behind the dead bolt 9 cover compression springs 10, lock core 8 is packed into to rotate in the lock tube 7 and has been formed tapered end parts, back stop slot 2 backs that retaining snap ring 3 is embedded rotation lock tubes 7 are nipped to compress with hand and are pushed lock tube hole 13 again, during the position of the back stop slot 2 that in retaining snap ring 3 is advanced to lock tube hole 13, is provided with, retaining snap ring 3 relies on the elastic force spreading of himself and is embedded in this back stop slot 2, at this moment, because retaining snap ring 3 is embedded in the back stop slot of rotation lock tube 7 and lock body 17 simultaneously, play positioning action, so rotation lock tube 7 can only rotate in lock tube hole 13 and can not withdraw from, in the embodiment in figure 1 tapered end parts adopt is the lock core 8 that pellet shot from a slingshot and spring are equipped with in self retractable inside, rotation lock tube 7 is provided with skewed slot 5, lock core 8 is provided with sliding pin 6, during key 1, sliding pin 6 moves forward and backward in skewed slot 5 and makes lock core 8 do elastic action in rotation lock tube 7, in addition, lock body 17 is provided with the lock ring hole 16 that inserts for lock ring 18, lock ring 18 is provided with the locating hole 14 that inserts for dead bolt 9 again, lock tube hole 13 is drilled with an aperture up and down, pack into resistance steel ball 11 and spring 12 are provided with the pit 4. that falls into for resistance steel ball 11 at the cylindrical of rotation lock tube 7

The principle of idle running lock operate as normal is: open, when original key 1 is inserted the rotation of lock core 8 up times, because the resistance that torsion produces less than the resistance steel ball of installing between lock body 17 and the rotation lock tube 7 11, rotation lock tube 7 is as you were, therefore lock core 8 up times that only are mounted in the rotation lock cover 7 rotate also motion (sliding pin 6 moves right) to the right in skewed slot 5, lean against dead bolt 9 also motion to the right under the elastic force of stage clip 10 of lock core 8 left sides, the left end of dead bolt 9 withdraws from from the locating hole 14 of

lock ring

18,18 of lock rings can be extracted from the lock ring hole 16 of lock body 17, and pick-proof lock is opened.

Locking: opposite with breakdown action, earlier lock ring 18 is inserted lock ring hole 16, key 1 during another mistake, rotation lock tube 7 is easily former under the resistance of

resistance steel ball

11,8 inverse times of lock core rotate and motion to the right (sliding pin 6 moves in skewed slot 5 to the left), therefore, the elastic force that its left side promotion dead bolt 9 of lock core 8 usefulness overcomes stage clip 10 moves to the left, dead bolt 9 left ends enter the locating hole 14 of lock ring 18 with lock ring 18 location, lock ring 18 can't be withdrawed from from the lock ring hole 16 of lock body 17, extract key 1 locking out and finish.

The operating principle of turning round sled is: insert after the lock core 8 with non-original key or technical unlocking instrument or the instrument of turning round sled and so on, little by little turn round sled power as long as apply slightly, both turned round the resistance of sled power greater than resistance steel ball 11, lock core 8 just rotates simultaneously with rotation lock tube 7, do not produce relative motion between them, just idle running in the lock tube hole 13 of lock body 17, therefore, lock core 8 can not move to the right, (sliding pin 6 is motionless in skewed slot 5), the dead bolt 9 that is propped up by its left end can not move to the right, so the left end of dead bolt 9 rests in the locating hole 14 of lock ring 18 all the time and with lock ring 18 location, reaches to prevent to turn round and pries open the purpose that opens.

That Fig. 2 to Fig. 7 shows is other six kinds of embodiment, structural principle and Fig. 1 are basic identical, all be to adopt telescopic lock core, both up time or inverse time were during key, lock core itself can advance in the rotation lock tube and move back (axially-movable). and Fig. 2 is provided with retaining pin 21 on the cylindrical of rotation lock tube 7, be stuck in the back stop slot in lock tube hole 13, stop rotation lock tube 7 to withdraw from lock tube hole 13, Fig. 3 respectively is provided with corresponding retaining shoulder 23 at rotation lock tube 7 and lock tube hole 13, being pressed into a retaining cover 22 to lockhole cover 13 again stops rotation lock tube 7 to withdraw from the lock tube hole. and the cylindrical of the rotation lock tube 7 among Fig. 4 does not have any setting, just increase a retaining lid 24 and stop withdrawing from of rotation lock tubes 7 in the outside in the lock tube hole 13 of lock body 17. Fig. 5 shows embodiment that to be dead bolt 9 be connected as a single entity with lock core 8. what the rotation lock tube 7 of Fig. 6 adopted is the L groove, resistance steel ball 11 and spring 12 are installed in the inboard in lock tube hole 13, and pit 4 is arranged on the left-external side of rotation lock tube 7. and Fig. 7 adopts resistance shell fragment 26 to hinder the rotation of rotation lock tube 7.

The lock core 8 of seven kinds of embodiment that above-mentioned Fig. 1 to Fig. 7 shows can be made expanding-contracting action in rotation lock tube 7, the lock core 8 of 3 kinds of embodiment that Fig. 8 to Figure 10 shows then can not be made expanding-contracting action in rotation lock tube 7, but rely on the variation control dead bolt 9 of concave-convex relative position to produce and the action of moving back, thereby reach the purpose of unlatching or locking.For example, the left end that the lock core 8 of pellet shot from a slingshot and spring is equipped with in the inside that Fig. 8 shows is set to convex 28, corresponding with it dead bolt 9 is set to spill 29, when key 1 does not insert both lockings, convex concave does not embed mutually, both the convex top was against the protruding end of spill, dead bolt 9 is inserted in the locating hole 14 of lock ring 18, the left end of rotation lock tube 7 is provided with straight trough 27, on dead bolt 9, be provided with sliding pin 6, sliding pin 6 can move forward and backward in straight trough 27 and can not rotate, so dead bolt 9 also can only move forward and backward and can not rotate, when key 1 inserts lock core 8 up time half-twists, the convex 28 that makes lock core 8 and the spill 29 of the dead bolt 9 relative male and fomale(M﹠F) that originally misplaces rotates to be positive relatively, so dead bolt 9 moves to lock core 8 under the elastic force of stage clip 10 male and fomale(M﹠F) is close to, at this moment, the left end of dead bolt 9 withdraws from from the locating hole 14 of lock ring 18, and lock ring 18 can be extracted from the lock ring hole 16 of lock body 17, and the idle running lock is opened.During locking, 1 inverse time of key is rotated 90 °, and the convex 28 that makes lock core 8 promotes to form dislocation to the left with the spill 29 of dead bolt 9, and dead bolt 9 left ends enter the locating hole 14 of lock ring 18 lock ring 18 is located, lock ring 18 can't be withdrawed from from the lock ring hole 16 of lock body 17, extract key 1 locking out and finish.

The end face of the lock core 8 of Fig. 9 adopts helical teeth shape 30, rotation lock tube 7 cylindricals are not established the retaining facility, and only in the lock tube hole 13 of lock body 17, an anti-drilling retaining lid 30 is installed by retaining snap ring 3, the robber is as boring lock core 8 with electric drill, the one, can not directly get into lock core 8, the 2nd, therefore anti-drilling retaining lid 30 can, increase anti-drilling function with the drill bit rotation.The lock ring 18 that Fig. 9 shows is provided with locating slot 32 and inserts the location for dead bolt 9.

Figure 11 is the enforcement illustration that the idle running lock is used in padlock.

Figure 12 is the enforcement illustration that the idle running lock is used in automobile steering lock.

Above-described embodiment; just the comparatively preferred specific embodiment of the utility model is several; be enough to confirm that the utility model is rational in infrastructure, be widely used; having solved lockset is afraid of to turn round the difficult problem of sled and has increased difficulty of technical opening; and various types of locksets can be repacked into the idle running lock; therefore, the common variation carried out in the technical solution of the utility model scope of those skilled in the art and replacing all should fall in the protection domain of the present utility model.

Claims

1. an idle running is locked, comprise key (1), lock core (8), dead bolt (9), lock body (7), resistance steel ball (11), spring (12) or resistance shell fragment (26) and lock ring (18), it is characterized in that: the cylindrical of described rotation lock tube (7) is provided with back stop slot (2) or retaining pin (21) or retaining shoulder (23), lock body (17) with the rotation lock tube (7) corresponding with it retaining pin (21) or back stop slot (2) or the retaining shoulder (23) of corresponding position setting; The interior circle of the cylindrical of perhaps described rotation lock tube (7) and lock body (17) is provided with back stop slot (2) respectively, and retaining snap ring (3) is embedded in the back stop slot (2); The cylindrical of perhaps described rotation lock tube (7) is not established the retaining facility, prevents to rotate the retaining lid (24) that lock tube (7) withdraws from lock body (17) and only be provided with one at the end face of lock body (17).

2. according to claims 1 described a kind of idle running lock, it is characterized in that, have skewed slot (5) or L groove (25) on described rotation lock tube (7) or the lock core (8), on corresponding with it lock core (8) or rotation lock tube (7), be provided with sliding pin (6), dead bolt (9) and lock core (8) are connected as a single entity or are divided into both, and lock core (8) dead bolt (9) that is divided into both and lock body (17) between an increase stage clip (10).

3. a kind of idle running lock according to claim 1, it is characterized in that, have straight trough (27) on described rotation lock tube (7) or the dead bolt (9), dead bolt (9) or rotation lock tube (7) are provided with sliding pin (6), dead bolt (9) is divided into both with lock core (8), is provided with the spill (29) and convex (28) face of complementary fit between the two.