CN2294320Y

CN2294320Y - Protective sleeve for lock cylinder having double theft-proof function

Info

Publication number: CN2294320Y
Application number: CN 96208427
Authority: CN
Inventors: 赵循纬
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-15
Filing date: 1996-03-15
Publication date: 1998-10-14
Anticipated expiration: 2006-03-15

Abstract

The utility model relates to a protective sleeve for a lock core having double theft-proof functions. The utility model is mainly characterized in that an outer blank slot, an outer tooth ring, an inner tooth ring, an inner blank slot and a caulking groove are respectively arranged at the proper positions of the periphery of the lock core; a sleeve barrel of the lock core is sheathed on the lock core, a plurality of supporting rods are arranged on the sleeve barrel of the lock core, a lacking slot is formed between the contiguous supporting rods, and a lug is respectively arranged at the inner edge of the tail end of each supporting rod; a plurality of pull plates are respectively embedded in the lacking slots of the sleeve barrel of the lock core, upper tooth blocks are arranged at the inner edges of the pull plates of the middle parts of the lacking slots of the sleeve barrel of the lock core, and lower tooth blocks are arranged at the inner edges of the rested pull plates. The utility model has double theft-proof functions and protection function. The utility model has the advantages of theft-proof effect, simple member and easy member replacement.

Description

The core sheath of tool double anti-theft function

The utility model relates to a kind of core sheath of tool double anti-theft function, especially refer to a kind of when core sets on door-plate, can be nested with a sheath in the core outside, this core sheath is provided with password, password not to the time core sheath keyhole retaining of core can be put, can't insert key unlocking, when setting code is correct, the core sheath can make the keyhole of core open, thereby can insert the dual-use function of key unlocking

The lockset of general traditional type all is provided with keyhole, so that key inserts and to reach the purpose of unblanking, so the burglar mostly is to set about from lockset will steal the time, though there are a lot of theftproof lock, coded lock in the market, but all can't prevent from fully to stop that the burglar destroys lockset, so therefore burglar also emerges in an endless stream.

The main purpose of the utility model is to provide a kind of core sheath of tool double anti-theft function; tie up to outside the general lockset core side and install a tool core sheath again; this core sheath can be protected the keyhole of former lockset; when the setting code mistake; the core sheath can block the keyhole of lockset; make key can't insert the keyhole drawback lock of core, reach the function of double shield.

Another purpose of the utility model is to provide a kind of core sheath of tool double anti-theft function, and the wherein antitheft design in two roads can stop and generally desire the burglar that races against time, and case of theft is significantly reduced, and guarantees common people's safety, keeps the peace.

The another purpose of the utility model is to provide a kind of core sheath of tool double anti-theft function, when user's desire is opened the utility model first road anti-theft device, need only pull out the arm-tie of setting number [password] with finger just can be for it, quite simple and easy and don't trouble, but antitheft effect is extremely remarkable again.

A purpose again of the utility model is to provide a kind of core sheath of tool double anti-theft function, wherein the structure of the utility model system is made up of the plates such as core, lock barrel sleeve and some arm-ties of repacking, its member is convenient to renewal part simply again, is full of to have an economic benefit.

The utility model is to realize like this, this product system comprises the core of front end tool one keyhole, member such as lock barrel sleeve and some arm-ties, appropriate position system is respectively equipped with an outer dead slot on the periphery of core, one outer tooth ring, one internal gear, a dead slot and a caulking groove in one, lock barrel sleeve system is set on the core, which is provided with the pole of number, it is a short slot that two-phase is faced between pole, the terminal inner edge of each pole system is respectively equipped with a projection, lock barrel sleeve is on core the time, the projection of pole just can be embedded in the caulking groove of core, be that to establish the keyhole of a keyhole and core symmetrical on the disk end face of lock barrel sleeve, some arm-ties can be embedded in the short slot of lock barrel sleeve respectively, wherein edge appropriate position system is provided with the tooth piece within the part arm-tie, edge then is provided with the lower tooth piece within all the other arm-ties, last tooth piece system is positioned at outside the core in ring gear or the outer dead slot, the lower tooth piece then is positioned within the core in ring gear or the interior dead slot, on on the mat arm-tie, outside lower tooth piece and the core, outside internal gear reaches, the cooperation of interior dead slot, lock barrel sleeve can't rotate when locking, the keyhole of the keyhole of lock barrel sleeve and unjustified core, key can't insert the keyhole drawback lock of core; Outwards pull out when the arm-tie of setting code, when lock barrel sleeve can be rotated, the keyhole of need only align lock barrel sleeve and core, key just can insert the keyhole of core and unblank.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is combined in outside drawing on the door-plate for the utility model.

Fig. 2 is the exploded view of the utility model.

Fig. 3 is the sectional drawing of the utility model.

Fig. 4～6 are the enforcement illustration of the utility model section.

Please cooperate and consult shown in the various figure, the utility model system is made up of core (1), lock barrel sleeve (2) and some plate members such as (3); Wherein the internal construction of core (1) system is identical with the core of general lockset, be provided with a keyhole (10) in core (1) front end equally, appropriate position system is provided with a dead slot (14) and a caulking groove (15) in an outer dead slot (11), an outer tooth ring (12), the internal gear (13), on the periphery of this core (1); And lock barrel sleeve (2) is one to be the sleeve that encircles claw-like, this lock barrel sleeve (2) is the pole (21) that is provided with ten group leader's strip of sheet, pole (21) is around circumference, be to form a bar shaped short slot (22) between the pole that every two-phase is faced (21), and the terminal inner edge of each pole (21) is to be respectively equipped with a projection (211), the sleeve-port system that these ten groups of poles (21) are surrounded a little inwardly contracts, therefore when lock barrel sleeve (2) is enclosed within on the core, the projection (211) of pole (21) just can be embedded in the caulking groove (15) interior [consulting Fig. 3] of core 1, lock barrel sleeve (2) is combined with core (1), lock barrel sleeve (2) then can be in the peripheral rotation of core (1), is that the keyhole (20) that is provided with a strip is symmetrical with the keyhole (10) of core (1) in addition on the disk end face of lock barrel sleeve (2).

Lock barrel sleeve (2) is nested with at core (1) afterwards, system can set for the arm-tie (2) of ten groups of peripheries and [can coat butter in short slot (22) when assembling in ten groups of short slots (22) of lock barrel sleeve (2), so that slide block (3) is easy to be positioned in the short slot (22)], wherein arm-tie (3) inner edge appropriate position system is provided with tooth piece (31) on [or lower tooth piece (32)], be positioned at arm-tie (3) than the upper end for last tooth piece (31), be positioned at arm-tie (3) than the lower end for lower tooth piece (32), wherein go up tooth piece (31) and tie up to outside the core (1) between dead slot (11) or the outer tooth ring (12) movablely, it is movable that lower tooth piece (32) ties up within the core (1) between ring gear (13) or the interior dead slot (14); A pulling block (33) is held and be provided with to arm-tie (3) before, and as shown in Figure 1, when the pulling block of tool scalene cone (33) together was embedded on the door-plate (4) with lock barrel sleeve (2), core (1), this pulling block (33) was the periphery that is looped around lock barrel sleeve (2).

Cooperation is consulted shown in Figure 4, when ring gear (32) under some arm-tie (3) is seated within the core (1) in the dead slot (14), ring gear (31) is when then clip ring gear (12) outside core (1) is gone up on all the other arm-ties (3), because the meshing relation of last tooth piece (31) and outer tooth ring (12), stirring lock barrel sleeve (2) also can't rotate, the keyhole (20) of lock barrel sleeve this moment (2) and the keyhole (10) of unjustified core (1), therefore key can't insert in the keyhole (10), reaches the first road anti-theft feature before unblanking; The user must go up this arm-tie (3) engagement of tooth piece (31) clip on outer tooth ring (12) and remove, promptly spur arm-tie (3) outside [as shown in Figure 5], tooth piece (31) is placed outside the lock barrel sleeve (2) in the dead slot (11), so on all of arm-tie (3), lower tooth piece (31,32) then place outside the core (1), interior dead slot (11,14) in, stir lock barrel sleeve (2) and just can rotate this moment, just can be with the keyhole (10) of the keyhole (20) of lock barrel sleeve (2) alignment core (1), key just can insert keyhole (10) drawback lock of core (1).

As shown in Figure 1, because the arm-tie (3) of the utility model is to be provided with 0～9 ten groups of arm-tie such as number, therefore system can set four groups of heart sheath passwords of unblanking such as 0,1,4,9 when design, that is the arm-tie (3) of numbers such as 0,1,4,9, wherein only be provided with tooth piece (31) on this arm-tie (3), tooth piece (31) is that clip is on ring gear (12) outside the core (1) on this; In addition the arm-tie (3) of numbers such as 2,3,5,6,7 then only is provided with lower tooth piece (32), this lower tooth piece (32) is to place within the core (1) in the dead slot (14), arm-tie this moment (3) is to be engagement [as Fig. 4] with core (1), stirring lock barrel sleeve (2) can't rotate, the keyhole (20) of lock barrel sleeve (2) can't align with the keyhole (10) of core (1), and key just can't insert keyhole (10) drawback lock of core (1).

When the user desires to unblank, must pull out pulling block (33) with finger outwards pulls out the arm-tie (3) of 0,1,4,9 four sets of numbers, tooth piece (31) is the clip that breaks away from engagement outer tooth ring (12) on these four groups of arm-ties (3), and place outside the core (1) in the dead slot (11) [as Fig. 5], so rotation lock core sleeve (2) just can rotate, make the keyhole (10) of keyhole (20) the alignment core (1) of lock barrel sleeve, just can insert the keyhole (10) of core (1) for key, with the person of unblanking.If the burglar does not also know the password that the utility model sets, and arbitrarily to pull out arm-tie 3 outside with pointing, as shown in Figure 6, under this arm-tie (3) is gone up tooth piece (32) be by clip within core (1) in the ring gear (13), lock barrel sleeve (2) just can't rotate, key just can't insert keyhole (10) drawback lock of core (1), and can't reach the purpose of stealing.

Only, the password 0,1,4,9 that more than sets is to be convenient to explanation, and reality can be selected different arm-tie (3) with user's hobby in the use, and with the password number of decision hobby, the number of setting code also can be set it according to user's needs in addition.

In sum, the protective sleeve for lock cylinder of the utility model tool double anti-theft functions, wherein door lock it Antitheft is general first anti-theft feature, and the utility model installs again one additional in the core outside of door lock The group protective sleeve for lock cylinder can be set the password of protective sleeve for lock cylinder, password not to the time can't insert key Unblank, this is the second anti-theft feature, really has effective protection lockset and reaches antitheft function.

Claims

1. the core sheath of a tool double anti-theft function, system comprises the core of front end tool one key, member such as lock barrel sleeve and some arm-ties, it is characterized in that: appropriate position system is respectively equipped with an outer dead slot on the periphery of core, one outer tooth ring, one internal gear, a dead slot and a caulking groove in one, lock barrel sleeve system is set on the core, which is provided with the pole of number, it is a short slot that two-phase is faced between pole, the terminal inner edge of each pole system is respectively equipped with a projection, lock barrel sleeve is on core the time, the projection of pole just can be embedded in the caulking groove of core, be that to establish the keyhole of a keyhole and core symmetrical on the disk end face of lock barrel sleeve, some arm-ties can be embedded in the short slot of lock barrel sleeve respectively, wherein edge appropriate position system is provided with the tooth piece within the part arm-tie, edge then is provided with the lower tooth piece within all the other arm-ties, last tooth piece system is positioned at outside the core in ring gear or the outer dead slot, and the lower tooth piece then is positioned within the core in ring gear or the interior dead slot.

2. the core sheath of tool double anti-theft function according to claim 1 is characterized in that end system is provided with a pulling block so that pull out arm-tie before the arm-tie, when lock barrel sleeve is embedded on the door-plate, this pulling block system around the lock barrel sleeve circumference on.