CN203569992U

CN203569992U - Antitheft lock cylinder applied in antitheft key

Info

Publication number: CN203569992U
Application number: CN201320766715.9U
Authority: CN
Inventors: 胡应赞
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-29
Filing date: 2013-11-29
Publication date: 2014-04-30
Anticipated expiration: 2023-11-29

Abstract

The utility model discloses an antitheft lock cylinder applied in an antitheft key. The antitheft lock cylinder comprises a key body and a lock cylinder body, wherein the upper surface and the lower surface of the key body are respectively provided with at least one curve groove; the left side surface or the right side surface of the top part of the free end of the key body is provided with a special spring groove. The antitheft lock cylinder disclosed by the utility model has the advantages that the problem that the lock cylinder is damaged due to single technical principle and mechanical structure, poor antitheft function, short service life and easy confusion of a key A and a key B in the lock cylinder of the traditional lock is effectively solved.

Description

A kind of anti-theft lock that is applied to anti-theft key

Technical field

The utility model relates to mechanical lock, is specifically related to a kind of anti-theft key and Special anti-theft lock core thereof.

Background technology

Lockset is being brought into play the function of " taking into custody constraint " in human civilization society, standard social action, defending people's the security of the lives and property, safeguarding the stable object of society, nowadays, lockset has formed a very huge family, and is constantly improving and updating, constantly to future developments such as we needed " pick-proof, anti-drilling, shockproof, anti-saws ".

The mechanical lock of many types in the market, in fact do not possess real anti-theft feature, in face of the higher stealer of technology, two steel wires or several simple instruments just can be opened these locks, not because they have consummate technology and special unlocking tool, but because lock core know-why and the structure of conventional lock are too single, simply, traditional key and lock core, major part is one side work, by the clutch of pellet, control the switching of lock core, the lockset of main flow is divided into A conventionally, B key, when being used for decorateing, uses by A key, B key is for the normal use after decorateing, but traditional A key can also insert lock core later in decoration, although cannot open lock core, but being also not easy to customer identifies, also likely cause customer's erroneous judgement, thereby damage lock core.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of anti-theft key and Special anti-theft lock core thereof, lock core know-why, frame for movement that this technical scheme efficiently solves conventional lock are single, anti-theft feature is poor, application life is short and A, B key easily obscure, thus the problem that causes lock core to damage.

The utility model is achieved through the following technical solutions:

A kind of anti-theft key, comprise key body (1), it is characterized in that: described key body (1) upper and lower surface is all at least provided with a curved groove (101) key body (1) free end (102) top left side or be provided with Special-shaped marble groove (103) for right flank;

A kind of Special anti-theft lock core that is applied to anti-theft key described in claim 1, it is characterized in that: comprise lock core pedestal (2), in lock core pedestal (2), be provided with lock core (3), lock core (3) is connected with runner (4) by transmission device, on lock core (3) periphery, be evenly provided with multiple blade grooves (301), in each blade groove (301), by leaf spring (302), be provided with one group of blade (303), a blade (303) is provided with sawtooth (304), another blade (303) is provided with lower sawtooth (304), blade (303) is fixedly connected with lock core (3) by lock dog (305), on the periphery of lock core (3) medial extremity, Special-shaped marble hole (306) is set, in Special-shaped marble hole (306), be provided with Special-shaped marble (307), lock core (3) is fixed in lock core pedestal (2) by pellet (308), on lock core pedestal (2), be provided with plural marble hole (309), pellet (310) is fixed in marble hole (309) by envelope pin (311), between envelope pin (311) and pellet (310), be provided with marble spring (312), wherein the pellet (310) of far-end marble hole (309) below is provided with steel ball (312).

The further Technological improvement plan of the utility model is:

Described Special-shaped marble groove (103), Special-shaped marble hole (306) and be provided with all corresponding settings of the position on key body (1), lock core (3) and lock core pedestal (2) of the marble hole (309) of steel ball (312).

The further Technological improvement plan of the utility model is:

Quantity, size that the curved groove (101) of quantity, size and key body (1) the upper and lower surface setting of sawtooth (304) is set on described blade (303) match.

The utility model compared with prior art, has following obvious advantage:

One, the anti-theft key that the utility model adopts adopts many curved grooves, key two sides curved groove is worked simultaneously, and two sides is convenient unlatching arbitrarily, and common blade lock core only has one side work, another side is not worked, and therefore abrasion resistance, access times are many times of common spring key.

Two, the lock core that the utility model adopts, each lock core has many group blades, all has multiple sawtooth in the middle of each blade, it is uniformly distributed in the middle of lock core up and down, and unlocking tool is had no way of doing it, and upper and lower two blades in every hole are worked simultaneously, staggered mobile round about, increased technical unlocking difficulty.

Three, key of the present utility model and lock core are after the complete owner of finishing checks and accepts, owner only need insert lock core rotating 360 degrees by A key, lock core side Special-shaped marble will fall down, be inserted in lock core inside, exceed inwall, B key just cannot be inserted into bottom, ceases to be in force automatically, insert not on earth be exactly B key, be convenient to identification.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is that the utility model adopts B Key structure schematic diagram;

Fig. 3 is that the utility model adopts A Key structure schematic diagram.

The specific embodiment

As shown in Figure 1, key body 1 upper and lower surface of the present utility model is provided with three curved grooves 101, and key body 1 free end 102 top right sides are provided with Special-shaped marble groove 103;

As shown in Figure 1, the utility model Special anti-theft lock core, comprise lock core pedestal 2, in lock core pedestal 2, be provided with lock core 3, lock core 3 is connected with runner 4 by transmission device, on lock core 3 peripheries, be evenly provided with six blade grooves 301, in each blade groove 301, by leaf spring 302, be provided with one group of blade 303, one of them blade 303 is provided with three upper sawtooth 304, another blade 303 is provided with three lower sawtooth 304, blade 303 is fixedly connected with lock core 3 by lock dog 305, on the periphery of lock core 3 medial extremitys, Special-shaped marble hole 306 is set, in Special-shaped marble hole 306, be provided with Special-shaped marble 307, lock core 3 is fixed in lock core pedestal 2 by pellet 308, on lock core pedestal 2, be provided with three marble holes 309, pellet 308 is fixed in marble hole 309 by envelope pin 310, between envelope pin 310 and pellet 308, be provided with marble spring 311, wherein, pellet 308 belows of far-end marble hole 309 are provided with steel ball 312, two pellets 308 of near-end press down locking block 305 at the pressure of marble spring 311, Special-shaped marble groove 103, Special-shaped marble hole 306 and be provided with steel ball 312 marble hole 309 at key body 1, position on lock core 3 and lock core pedestal 2 is corresponding setting all.

In conjunction with Fig. 1,2,3, sketch operating principle of the present utility model:

As shown in Figure 2, the utility model is in B key duty, because B key free end 102 top right sides are as good as shape bullet groove 103, so B key can not make Special-shaped marble 307 be pressed into lock core 3 rotating in steel ball 312 position processes under its elastic force effect, thereby problem that causes B key to work.

As shown in Figure 3, the utility model is in A key duty, because A key free end 102 top right sides are provided with Special-shaped marble groove 103, so A key is rotating in steel ball 312 position processes, steel ball 312 makes Special-shaped marble 307 be pressed into lock core 3 and enters in the Special-shaped marble groove 103 of A key under the elastic force effect of pellet 308, Special-shaped marble 307 is not being retracted in Special-shaped marble hole 306, in the use procedure of A key, A surfaces of keys all arranges three curved grooves 101, all with each blade groove sawtooth 304 tablings Shang Xia 301, work simultaneously, and B key is because of without special-shaped bullet groove 103, cannot all insert lock core 3 inside.

Claims

1. one kind is applied to the anti-theft lock of anti-theft key, it is characterized in that: comprise key body (1), lock core pedestal (2), described key body (1) upper and lower surface is all at least provided with a curved groove (101), key body (1) free end (102) top left side or be provided with Special-shaped marble groove (103) for right flank, in described lock core pedestal (2), be provided with lock core (3), lock core (3) is connected with runner (4) by transmission device, on lock core (3) periphery, be evenly provided with multiple blade grooves (301), in each blade groove (301), by leaf spring (302), be provided with one group of blade (303), a blade (303) is provided with sawtooth (304), another blade (303) is provided with lower sawtooth (304), blade (303) is fixedly connected with lock core (3) by lock dog (305), on the periphery of lock core (3) medial extremity, Special-shaped marble hole (306) is set, in Special-shaped marble hole (306), be provided with Special-shaped marble (307), lock core (3) is fixed in lock core pedestal (2) by pellet (308), on lock core pedestal (2), be provided with plural marble hole (309), pellet (310) is fixed in marble hole (309) by envelope pin (311), between envelope pin (311) and pellet (310), be provided with marble spring (312), wherein the pellet (310) of far-end marble hole (309) below is provided with steel ball (312).

2. a kind of anti-theft lock that is applied to anti-theft key according to claim 1, is characterized in that: described Special-shaped marble groove (103), Special-shaped marble hole (306) and be provided with all corresponding settings of the position on key body (1), lock core (3) and lock core pedestal (2) of the marble hole (309) of steel ball (312).

3. a kind of anti-theft lock that is applied to anti-theft key according to claim 1 and 2, is characterized in that: quantity, size that the curved groove (101) of quantity, size and key body (1) the upper and lower surface setting of sawtooth (304) is set on described blade (303) match.