CN201334816Y

CN201334816Y - Anti-theft dual-unlocking lock

Info

Publication number: CN201334816Y
Application number: CNU2008201063883U
Authority: CN
Inventors: 周永立
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-31
Filing date: 2008-10-31
Publication date: 2009-10-28
Anticipated expiration: 2018-10-31

Abstract

The utility model relates to an anti-theft dual-unlocking lock which is suitable for being used on a rickshaw or a motorcycle. The anti-theft dual-unlocking lock comprises an inner lock and an outer lock. The inner lock is provided with an eccentric keyhole, the outer lock is connected on a lock head of the inner lock in a covering manner, a cylindrical shell body of the outer lock is wrapped on the lock head of the inner lock, a front baffle sheet with an eccentric opening is lined in a front port of the shell body, a code dialing disc and a positioning ring are sheathed on the shell body, an axial strip hole is arranged on the shell body, a position-limiting groove is arranged on the lock head correspondingly to the strip hole, a lock plunger is inserted in the strip hole and the position-limiting groove in a penetrating manner, and a notch used for the plugging of the front end of the lock plunger is arranged on the front baffle sheet. By combining a common lock with a coded lock, the anti-theft dual-unlocking lock well protects a vehicle lock from being randomly unlocked, can effectively reduce vehicle stealing cases, and is beneficial for promoting social harmony and peace.

Description

A kind of antitheft double opening lock

Technical field

The utility model relates to a kind of lock of using of being suitable for, specifically a kind of antitheft double opening lock on rickshaw or motorcycle.

Technical background

At present use the kind of theftproof lock more on rickshaw such as bicycle, tricycle or electric bicycle or motor scooter, its primary structure all relates to the improvement of the inner blocking mechanism of tapered end.But because of these locksets must be opened with key, so, outside the keyhole on the lockset tapered end generally all will be exposed to, so that unlock operation.And thief just can be opened lockset in modes such as runin or brill lock cores by being exposed to outer keyhole, implements to steal the car activity.Therefore, lock core that exposes on the tapered end and keyhole just become a weak link of lock.

The utility model content

The purpose of this utility model just provides a kind of antitheft double opening lock, exposes this weak link to overcome existing lockset keyhole, improves the anti-theft security performance of lockset.

The utility model is achieved in that a kind of antitheft double opening lock, include the external lock on the lock in being connected on the internal lock of eccentric keyhole and cover, the tubular shell of described external lock is wrapped on the tapered end of internal lock, in the front port of described housing, be lined with the preceding catch of band eccentric openings, overcoat dial and locating ring on housing, on housing, have axial cylindrical void, on the tapered end corresponding, have stopper slot with this cylindrical void, locking bolt interts in described cylindrical void and stopper slot, is provided with the breach for the plug of locking bolt front end on preceding catch.

For keyhole is blocked, if only be to use other one common lock pinned keyhole, then fall into mistaken ideas unavoidably with lock generation lock, its result also just drives two locks, and unlocking difficulty does not have substantial raising.The utility model is as internal lock with common lockset, the external lock of the cipher lock type of forming by housing, preceding catch, dial, locating ring and locking bolt etc. one of the outer wrap of internal lock, utilize the form of dial-up to open preceding catch, wait to expose after the keyhole of internal lock, use key operated internal lock again, so just can open this antitheft double opening lock.

Unblank to have some methods fast by lock core, but want, just do not had method that what is simple and direct going out to have the thousands of kinds of coded locks possible to sign indicating number.Therefore, the utility model can protect better lock not the stolen car person arbitrarily open, thereby reduce bicycle effectively, the generation of electric bicycle or the stolen case of motorcycle, the harmony that helps lend some impetus to society is with stable.

Description of drawings

Fig. 1 is the utility model structural representation under the locking lock state outside.

Fig. 2 is the structural representation of the utility model under the external lock opening.

Fig. 3 is the structural representation of a kind of implementation of dial.

The specific embodiment

As shown in Figure 1 and Figure 2, this antitheft double opening lock includes internal lock and external lock two parts.Lockhole of opening by on the tapered end 8 of internal lock, having 9 and lock core 3 with eccentric keyhole.The tubular shell 1 of external lock is wrapped on the tapered end 8 of internal lock, has on housing 1 and internal lock lockhole 9 corresponding openings, is lined with front sheet 2 in the front port of housing 1.On preceding catch 2, have can be relative with the eccentric keyhole of internal lock eccentric openings 4.When external lock was in opening, in the eccentric openings 4 of catch 2, catch 2 rotated before can stirring, with the eccentric lockhole of locking in finding accurately before being inserted in the front tip part of little article such as key.Also have axial cylindrical void 7 on housing 1, have stopper slot 12 (Fig. 2) on the tapered end corresponding with this cylindrical void 8, locking bolt 6 interts in this axial cylindrical void 7 and stopper slot 12, is provided with the breach for the plug of locking bolt front end on preceding catch 2.3-4 dial 11 is socketed in the outside of the housing 1 relative with axial cylindrical void 7 successively, and locating ring 10 is socketed in the outside of housing 1, the outside of dial 11, and dial is located.On the inner ring surface of each dial 11, be equipped with the breach of unblanking.

As shown in Figure 2, when each dial 11 after to sign indicating number, the breach of unblanking on dial 11 inner ring surfaces aligns successively, and it is relative with axial cylindrical void 7 on the housing 1, the axial activity space of locking bolt 6 was increased to be enough to make the stopper slot 12 of locking bolt 6 from tapered end 8 and broke away from this moment, thereby can stir the bolt handle to the right, and the front end that makes locking bolt 6 is extracted in the breach on the catch 2 in the past, preceding catch 2 unclamps, and implements to dial the turn-off latching operation then.

During locking; the bolt handle of top, left side locking bolt 6; catch 2 before rotating; in the breach before the front end of locking bolt 6 is inserted on the catch 2, rotate dial 11 then, can be with in the stopper slot 12 of locking bolt 6 back pressure to the tapered end 8; locking bolt 6 can not be moved to right; with preceding catch 2 lockings, make it and can not rotate thus, the eccentric lockhole on the tapered end 8 is protected.

Dial 11 in the utility model both can be an integral form, also can be separate form.Wherein the structure of the dial of separate form is encircled 11b and outer shroud 11a as shown in Figure 3 in including, and is provided with the external toothing of half range on interior ring 11b, is provided with the ring gear that is meshed with interior ring external toothing on outer shroud 11a; On the medial surface of interior ring 11b, have the breach 11c that unblanks, be marked with number at the lateral surface subscript of outer shroud 11a.Here " half range " is meant half of inner ring width.In ring 11b go up half range tooth, half range are arranged be aperture, like this, outer pulling after the locating ring 10 can be pulled out after the outer shroud 11a of half range outside to the right, transfers sign indicating number, returns then and inserts engagement, ring 11b carries out sign indicating number in driving again, makes it to dial on housing 1 to forward the position to.This form can suitably increase coded lock to the sign indicating number difficulty.Also can be provided with the ring gear of half range and the back-up ring of half range at outer shroud 11a medial surface, this back-up ring is on the no flank of tooth of ring 11b in being socketed in, is beneficial to drive interior ring 11b return by outer shroud 11a.

A kind of structure of locating ring 10 is to have the center annular groove at the ring body medial surface, is connected with elastic steel traveler 5 in the annular groove of center, realizes resilient banding location thus, is convenient to manual stirring.On the inner ring surface of locating ring 10, be provided with the breach of unblanking too, so that the locking bolt of locking 6 gets loose outward.

Claims

1, a kind of antitheft double opening lock, include the external lock on the lock in being connected on the internal lock of eccentric keyhole and cover, the tubular shell (1) that it is characterized in that described external lock is wrapped on the tapered end (8) of internal lock, in the front port of described housing (1), be lined with the preceding catch (2) of band eccentric openings (4), go up overcoat dial (11) and locating ring (10) at housing (1), on housing (1), have axial cylindrical void (7), on the tapered end corresponding (8), have stopper slot (12) with this cylindrical void, locking bolt (6) interts in described cylindrical void (7) and stopper slot (12), is provided with the breach for the plug of locking bolt front end on preceding catch (2).

2, antitheft double opening lock according to claim 1 is characterized in that described dial (11) includes interior ring (11b) and outer shroud (11a); On interior ring (11b), be provided with the external toothing of half range, on outer shroud (11a), be provided with the ring gear that is meshed with interior ring external toothing; On the medial surface of interior ring (11b), have the breach of unblanking (11c), be marked with number at the lateral surface subscript of outer shroud (11a).

3, antitheft double opening lock according to claim 2 is characterized in that being provided with the ring gear of half range and the back-up ring of half range at described outer shroud (11a) medial surface, and described shield ring sleeve is connected on the no flank of tooth of interior ring (11b).

4, antitheft double opening lock according to claim 1 is characterized in that the ring body medial surface of described locating ring (10) has the center annular groove, is connected with elastic steel traveler (5) in the annular groove of center, is provided with the breach of unblanking on the inner ring surface of locating ring (10).