CN2409287Y - Blade type anti-theft lock and its key - Google Patents

Abstract

A blade type anti-theft lock and its key comprise a casing (1) and its rear cap (7), the casing (1) is provided with a bolt plate (2), a dialing slice (3), a resetting slice (4), a spring slice (5) and a blade (6) unit, the bolt plate (2) is provided with a sand strip (22), the front end of each blade (6) is provided with an opening slot (61), the sand strip (22) holding the bolt plate can insert into the opening slot, and the facing angle of the opening slot (61) is the corresponding different secret codes; The key (8) is provided with a two-way tooth and a tooth space (81), and the heights of the two-way tooth and tooth space (81) are corresponding to the angle of the blade opening slot (61) of the blade type anti-theft lock. The utility model has a simple and reasonable structure, the difficulty of the technical opening and the destructivity opening is large, and the size of key of the blade type anti-theft lock increases with the number of the blade and increases hundred times with the increasing of the blade upper opening slot angle.

Description

A kind of vane type theftproof lock and key thereof

The utility model relates to a kind of lock and key thereof, particularly a kind of lock and employed key of opening perpendicular to its blade with key turns thereof.

Generally be furnished with two locks on the existing strongbox: one is cylinder lock, and one is the dial lock.In the lock body of cylinder lock lock core hole is arranged, lock core is housed in it, pellet shot from a slingshot is right up and down to be provided with several in the two, its key has the concavo-convex tartar of corresponding pellet shot from a slingshot, when key inserts in the lock core, the jack-up pellet shot from a slingshot makes each interface to following pellet shot from a slingshot and last pellet shot from a slingshot all be in the cylindrical of lock core, can unblank with key rotation lock core this moment, the key tooth flower number of combinations of the pellet shot from a slingshot of this lock and correspondence is limited, generally be no more than 10,000 kinds, in addition, cylinder lock is easily by technical unlocking and destructive the unlatching, and be difficult to provide the key tooth flower that can be used to join again key when user manufacturer when losing key, the dial lock construction is firm, survivable, and need not key and use password, when the groove of each dial that is superimposed together is aligned in unlocking rod, can open, but this lock when also being utilized the contraposition of dial groove easily slight shake-up and make technical unlocking with the sense of hearing or sense of touch.

The purpose of this utility model is to provide a kind of being difficult to by the vane type theftproof lock and the private key thereof of technical unlocking.

Design scheme of the present utility model is: the vane type theftproof lock comprises housing and bonnet thereof, is positioned at bolt plate, plectrum, reseting plate, spring leaf and vane group within the housing: bolt plate is positioned at housing bottom, its head protrudes and is dead bolt, dead bolt can pass hole corresponding on the housing and be positioned at outside the lock body, position after dead bolt then is provided with a raised line, the afterbody hollow of bolt plate and have serrate slot at least one side; Plectrum promptly is positioned at the afterbody hollow part of bolt plate, and its sidepiece is provided with tooth and embeds in the serrate slot of bolt plate, then has the hole and is enclosed within housing on the doll that correspondence position is provided with at opposite side; Reseting plate places on the plectrum, and its afterbody has the hole and is enclosed within housing on the bearing pin that correspondence position is provided with, and is provided with the reset post of a projection in a side in hole; One end of one U type spring leaf leans against after this reset post, and the other end of spring leaf then is limited in the corner positions of housing afterbody; The blade that several heads have open slot is stacked on the reseting plate successively, its afterbody also has the hole and is enclosed within on the bearing pin that reseting plate overlaps, the open slot of each blade is the radial slot in relative its afterbody hole, and the raised line that can hold bolt plate inserts, the password that its corresponding angle is promptly corresponding different; Described plectrum, reseting plate and each blade central authorities all have the hole, and housing has a central axis that protrudes in this hole.

The key that is exclusively used in above-mentioned vane type theftproof lock then has and is bi-directional teeth and teeth groove, one to being tooth, its another to being teeth groove, its tooth is corresponding with the angle of blade openings groove with the height of teeth groove, key axle centre is porose, and the central axis that can be inserted in the lock housing body is located and rotated outward.

Compared with prior art, the utility model is simple in structure, rationally, theftproof performance is good, technical opening and the destructive difficulty of opening are all very big, and the size of key of lock is big, and can form hundred times of increases along with the increase of lobe numbers and the increase of the blade upper shed angle of the v-groove, as being 8 in the number of blade, under the optional 6 kinds situation of open slot angle, size of key is up to 1679616, thereby key can not repeat basically, and on the other hand, as long as the password of every key is learnt by manufacturer, can be again for the user make again one with the living new key of original key, thereby further facilitate the user.

Description of drawings:

Fig. 1 is the structural representation (removing bonnet (7)) of the utility model embodiment.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the structural representation of the utility model embodiment when being in opening.

Fig. 4 is the structural representation of plectrum

Fig. 5 is the structural representation of reseting plate.

Fig. 6 is the left view of Fig. 5.

Fig. 7 is the perspective exploded view of vane group.

Fig. 8 is the structural representation of key.

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 9, the vane type theftproof lock comprises housing 1 and bonnet 7 thereof, is positioned at bolt plate 2, plectrum 3, reseting plate 4, spring leaf 5 and vane group 6 within the housing:

It is one semiclosed box-like and constitute complete box body by its bonnet 7 that housing 1 is, and its head has one can hold the flexible hole of dead bolt 23, and bonnet 7 central authorities then have the long and narrow hole (not shown) that the key side direction is inserted;

Bolt plate 2 is positioned at housing 1 bottom, and its head protrudes for dead bolt 23 can pass hole corresponding on the housing and is positioned at outside the lock body, and the position after dead bolt 23 then is provided with a raised line 22, the afterbody hollow of bolt plate and have serrate slot 21 at least one side; For cooperating the movable device on security door or other devices, also can have hole 24 in addition in the dead bolt end.

Plectrum 3 promptly is positioned at the afterbody hollow part of bolt plate 2, its sidepiece is provided with tooth 32 and embeds in the serrate slot 21 of bolt plate, then have the hole and be enclosed within housing on the doll 14 that correspondence position is provided with at opposite side as bearing pin, convenience for manufacturing, fit on also can be provided with waist hole 31 in a side of tooth with another symmetrical doll 14 of housing case;

Reseting plate 4 places on the plectrum 3, and its afterbody has the hole and is enclosed within housing on the bearing pin 12 that correspondence position is provided with, and the side in the hole is provided with the reset post 41 of a projection, and reseting plate 4 is not encoded by the password of key; Not to its barrier effect of bolt plate raised line (22), its length can be short slightly, also can have the open slot (not shown) that can hold dead bolt raised line 22 at its front end when it rotated;

One end of U type spring leaf 5 leans against after the reset post 41 of reseting plate 4, its other end then be limited in the housing bight and and installing hole post 11 between, the elastic force of spring leaf 5 relies on reseting plate 4 and each blade 6 on one side when dead bolt 23 is overhanging, thereby makes lock remain on the overhanging closed condition of dead bolt 23;

The blade 6 that several heads have open slot 61 is stacked on the reseting plate 4 successively, its afterbody also has the hole and is enclosed within on the bearing pin 12 that reseting plate 4 overlapped, the open slot 61 of each blade is the radial slot in relative its afterbody hole, the password that its corresponding angle is promptly corresponding different, described plectrum 3, reseting plate 4 and each blade 6 central authorities all have the hole, and housing has a central axis 13 that protrudes in this hole; Used 7 blades in the present embodiment, its open slot angle is respectively and is made as 3 °, 6.5 °, 10 °, 13.5 °, 17 °, 20.5 ° six kinds, thereby the corresponding figure notation of each angle forms password, so that registration.

8 of keys that are exclusively used in above-mentioned vane type theftproof lock have and are bi-directional teeth and teeth groove 81, one to being tooth, and another is to being teeth groove, and its tooth is corresponding with the angle of blade openings groove 61 with the height of teeth groove 81, there are 82 holes key axle 83 centres, and the central axis 13 that can be inserted in the lock housing body is located and rotated outward.

The utility model in use, with the keyhole on the key 8 insertion bonnets 7, the central axis 13 of lock inserts key axis hole 82, key 8, tooth on the key 8 and corresponding each blade 6 of teeth groove 81 difference jack-up, because of the height of key bit and teeth groove 81 does not wait, make each blade 6 after its bearing pin 12 produces different rotational angles, the open slot of all blades is all aimed at the raised line 22 with bolt plate, and this moment, key 8 was rotated further, and then will stir plectrum 3 deflections and drive bolt plate 2 and move backward, its raised line 22 inserts in the open slot 61 of each blade, so dead bolt 23 retraction housings 1, lock promptly is unlocked, and this moment, key 8 can't be extracted because of its teeth groove is embedded in each blade 6; When locking, with key 8 backward rotation, drive plectrum 3 counteragents, make dead bolt 23 stretch out lock housing 1, key continues backward rotation, then drive reseting plate 4 and reset, this moment, spring leaf 5 resetted each blade 6 by the return pin on the reseting plate 41, and this moment is uneven because of the open slot 61 of each blade, blocked the raised line 22 on the bolt plate 2, thereby make lock remain on the overhanging closed condition of dead bolt 23, extract key at last, promptly finish the action of locking.

Claims (4)

1. a vane type theftproof lock comprises housing (1) and bonnet (7) thereof, it is characterized in that being provided with in housing (1) bolt plate (2), plectrum (3), reseting plate (4), spring leaf (5) and blade (6) group:

A. bolt plate (2) is positioned at housing (1) bottom, its head protrudes and is dead bolt (23), dead bolt (23) can pass the upward corresponding hole of housing (1) and be positioned at outside the lock body, then be provided with a raised line (22) in dead bolt (23) position afterwards, the afterbody hollow of bolt plate (2) and have serrate slot (21) at least one side;

B. plectrum (3) is positioned at the afterbody hollow part of bolt plate (2), and its sidepiece is provided with tooth (32) and embeds in the serrate slot (21) of bolt plate, then has the hole and is enclosed within housing (1) on the doll (14) that correspondence position is provided with at opposite side;

C. reseting plate (4) places on the plectrum (3), and its afterbody has the hole and is enclosed within housing (1) on the bearing pin (12) that correspondence position is provided with, and is provided with the reset post (41) of a projection in a side in hole;

D. spring leaf (5) takes the shape of the letter U, and the one end leans against reset post (4) afterwards, and the other end then is limited in the corner positions of housing afterbody;

E. several heads blade (6) of having open slot (61) is stacked on the reseting plate (4) successively, its afterbody also has the hole and is enclosed within on the bearing pin (12) that reseting plate (4) overlapped, the open slot of each blade (61) is the radial slot in relative its afterbody hole, the raised line (22) that can hold bolt plate inserts, the password that its corresponding angle is promptly corresponding different;

F. described plectrum (3), reseting plate (4) and each blade (6) central authorities all have the hole, and housing has a central axis (13) that protrudes in this hole.

2. vane type theftproof lock as claimed in claim 1 is characterized in that its front end of described reseting plate (4) has the open slot that can hold dead bolt raised line 22.

3. as claim 1 and 2 described vane type theftproof locks, it is characterized in that having hole (24) in described dead bolt (23) end.

4. one kind is exclusively used in the key of opening vane type theftproof lock as claimed in claim 1, it is characterized in that having bi-directional teeth and teeth groove (81), one to being tooth, another is to being teeth groove, its tooth is corresponding with the angle of the blade openings groove (61) of blade lock with the height of teeth groove (81), its key axle (83) centre porose (82), the central axis (13) that can be inserted in the lock housing body is located and is rotated outward.

Images