A kind of clutch plate type anti-theft lock
Technical field
The present invention relates to a kind of theftproof lock, particularly a kind of clutch plate type anti-theft lock, is the innovation to traditional mechanical anti-theft lock.
Background technology
The various mechanical anti-theft locks of current use, comprise tapered end and lock core, and it is interior and rotatable that lock core is tightly placed in tapered end, and the front end of lock core is key mouth, and rear end is connected with the sword iron of unblanking and unblanks for stirring dead bolt.In lock core, be longitudinally provided with key groove hole and be laterally provided with the lock core marble hole be connected with key groove hole, tapered end corresponds to lock core marble hole and is also provided with tapered end marble hole, lock core marble hole and corresponding tapered end marble hole partner marble hole, there is multipair marble hole, one deck pellet and two layers of pellet are placed in often pair of marble hole, one deck pellet is positioned at lock core marble hole, and two layers of pellet rear end are provided with spring top and press one or two layers of pellet, outer spring end sealing and tapered end sealing.Two layers of pellet have one end to be positioned at lock core marble hole under the action of the spring, the other end is positioned at tapered end marble hole, two layers of pellet are across lock core and tapered end, at this moment lock core can not rotate relative to tapered end, when key inserts the key groove hole of lock core, one deck pellet in every a pair marble hole is pushed into outer face by the spoon tooth of differing heights corresponding with lock core marble hole site on the key, just in time concordant with lock core marble hole outer face, also make the front end face of two layers of pellet just in time concordant with tapered end marble hole the inner simultaneously, at this moment rotating key can be with movable lock core to rotate in tapered end, drive sword iron simultaneously and then stir dead bolt and unblank.
Above-mentioned lock body structure is all in beeline channel, arrange one or two layers of pellet, and technology unlocking difficulty is little, and theftproof is poor.Chinese patent provides a kind of theftproof lock (see Chinese patent ZL2012200065784), it is on the basis of above-mentioned one or two layers of pellet, interior two layers of pellet of relative set longitudinal direction are overlapped at tapered end and lock core, the corresponding difficulty that improve technology unlocking, but structurally still Shortcomings part, still requires further improvement.
Summary of the invention
The object of the invention is to design the good clutch plate type anti-theft lock of a kind of theftproof performance, it by changing the structure of lock body and key, thus increases technology unlocking difficulty, improves theftproof performance.
The present invention is by realizing with technical scheme:
A kind of clutch plate type anti-theft lock, comprise tapered end, lane change lock core and folding key, described lane change lock core comprises lock core, lock core cover, jump ring, sword iron, one deck pellet and two layers of pellet, sword iron is connected with lock core cover with annular groove by jump ring, be provided with horizontal marble hole and pellet tapered end is corresponding on lock core, in often pair of marble hole, place one deck pellet and two layers of pellet; Tapered end to overlap to lock core corresponding be provided with longitudinal in marble hole, have two to marble hole in above, place lower pellet peace pearl in every internally marble hole, be provided with inner spring top in flat pearl rear end and flatten pearl and lower pellet; It is characterized in that: also comprise lock sleeve 11, clutch-plate 8 and spring wire 13; Lock sleeve 11 is fastened on tapered end 6 by pin 14, and tapered end and lock sleeve connect and compose lock body, tapered end and lock sleeve intracavity inter-connection, and within it in chamber, cover has lock core to overlap and lock core successively;
Clutch-plate 8 is located at the terminal position of lock core and lock core cover, lock core and lock core cover to be connected and fixed and to be integrated, and can rotate in the inner chamber of lock body with lock core by the clamping of clutch-plate; In lock core and lock core cover, be provided with the interconnection be connected with interior marble hole by key groove hole, interconnection comprises plectrum mouth 907 and drives mouth 701, larger plane being perpendicular in interconnection and rectangle key groove hole; Described spring wire 13 is located in the middle part of lock core on interconnection position, and when inserting with key, key piece position is corresponding, when unblanking the bow teat position of spring wire up or down bullet eject the key piece in key body;
Described folding key comprises key body 1, spring 4, card bead 5, key piece 2 and bearing pin 3, rectangle key film perforation 101 is provided with at key body end, containing key sheet in key film perforation, longitudinal spring hole 102 is set in key body, one end of spring eye is positioned at key body, the other end is connected with key film perforation, spring and card bead is placed in spring eye, key piece one end arranges semicircular indentations 202, the other end is provided with arc pressure pearl face, bearing pin 3 penetrates the pin-and-hole 103 of key body and the keyhole 201 of key piece, key body and key piece are set in together, bearing pin is connected with key body close-fitting, be flexibly connected with key piece, key piece can rotate around bearing pin, the direction that key piece stretches out and the larger in-plane of key body perpendicular, when unblanking, key piece rotates around bearing pin, and after putting in place, key piece is perpendicular to larger of key body, after key takes out lock core, under spring force effect, in the semicircular indentations of card bead press-in key piece, key piece automatically resets, and is hidden in the rectangle key film perforation in key body.The described rounded flake of clutch-plate 8, is provided with short muscle 802 on one face, and another face is provided with long muscle 801, and the elongated hole 902, the short muscle that are snapped in lock core cover by long muscle are snapped in the groove 703 of lock core, thus lock core and lock core cover be connected and fixed.
Described spring wire 13 is placed in the line groove hole 702 in the middle part of lock core, and it corresponds to lock core cover plectrum mouth position, and when key inserts lock core, the bow teat position of spring wire is just to key piece in key film perforation.
The sheet number of described key piece is at least more than a slice, and key piece stretches out direction and the larger plane being perpendicular of key body up or down.
Described clutch-plate pin 803 replaces, and lock core and lock core cover is connected and fixed by pin.
Described spring wire lock core mold insert replaces, and key is ejected along the larger plane orthogonal direction of key body by lock core mold insert and unblanks after inserting lock core by key.
Beneficial effect of the present invention:
Be provided with one deck pellet and two layers of pellet between tapered end of the present invention and lock core cooperatively interact one heavily keeps; the double protection that interior one deck pellet and interior two layers of pellet match is provided with at tapered end and lock core inner room; the connection of overlapping at lock core and lock core adopts clutch-plate; clutch-plate can prevent the triple protection of violence picking lock; adopt the folding key of structure uniqueness simultaneously; therefore adopt the theftproof performance of theftproof lock of the present invention greatly to improve, can prevent the master key of any shape from unblanking and violence picking lock.
Accompanying drawing explanation
Fig. 1 is lock body exploded view of the present invention;
Fig. 2 is assembling drawing of the present invention;
Fig. 3 is schematic diagram of unblanking;
Fig. 4 is that lock body structure (pin connects lock core and lock core cover) illustrates;
Fig. 5 is that lock body decomposition (pin connects lock core and lock core cover) illustrates;
Fig. 6 is (band lock core mold insert) diagram of unblanking;
Fig. 7 is Key structure (three key pieces) diagram;
Fig. 8 is that key decomposes (three key pieces) figure;
Fig. 9 is that key decomposes (two key pieces) figure;
Figure 10 is Key structure (two key pieces) diagram.
Detailed description of the invention
Contrast accompanying drawing, illustrates its structure.
Embodiment 1
In fig. 1-3, the lock body of this theftproof lock comprises tapered end 6, lock core 7, clutch-plate 8, lock core cover 9, jump ring 10, lock sleeve 11, sword iron 12, spring wire 13, pin 14, lower pellet 15, lower pellet 16, flat pearl 17 and spring 18, during assembling, the cylindrical 905 of lock core 9 is inserted in the endoporus 1101 of lock sleeve 11, the snap arm 1201 of sword iron 12 is put into the elongated hole 902 of lock core cover, jump ring 10 is snapped in the cannelure 904 of lock core cover, the salient point 1001 of jump ring 10 snaps in the breach 1202 of sword iron, lock core cover, lock sleeve, jump ring and sword iron composition one; Loaded by clutch-plate 8 in the endoporus 901 of lock core cover, the long muscle 801 of clutch-plate snaps in the elongated hole 902 of lock core cover, and short muscle 802 snaps in the groove 703 of lock core; Spring wire 13 is placed in the line groove hole 702 of lock core, it corresponds to lock core cover plectrum mouth 907 and drives mouth 701 to form interconnection, be inserted in the endoporus 901 of core by clutch-plate, lock core and spring wire three again, lower pellet 15, lower pellet 16 are inserted in the marble hole 903 of lock core cover; Peaceful for spring 18 pearl 17 is put into the circular hole 603 of tapered end, in the endoporus 601 that the assembly of the lock core installed, clutch-plate, lock core cover, jump ring, lock sleeve, sword iron, spring wire and lower pellet is inserted in tapered end and endoporus 602, flat pearl is alignd with lower pellet, by pin 14 through the pin-and-hole 604 of tapered end and the cross-drilled hole 1103 of lock sleeve, tapered end and lock sleeve are fixed together, by clutch-plate 8, lock core and lock core cover are linked together.
In Fig. 7-10, key is made up of key body 1, key piece 2, bearing pin 3, spring 4 and card bead 5, spring 4 and card bead 5 are loaded the spring eye 102 of key body 1, key piece 2 loads key film perforation 101, bearing pin 3 penetrates the pin-and-hole 103 of key body and the film perforation 201 of key piece, be set in together by key body key piece, bearing pin is connected with key body close-fitting, is connected with key piece movable axis.When unblanking, key piece rotates around bearing pin, and after putting in place, key piece is perpendicular to two large faces of key body; After key taking-up lock core under the elastic force effect of spring, in the half round cut 202 of card bead press-in key piece end, key piece automatically resets, and is hidden in the rectangle key film perforation 101 of key.
The present invention locks procedure declaration of unblanking
In figure 3, folding key to push in lock core after one section, spring wire 13 promotes key piece 2, it is made to carry out axle rotation along bearing pin 3, continue to push key, key piece, under the effect of the plectrum mouth of lock core, continues to be rotated in place along bearing pin, the lower pellet 15 of breach face compression of key piece and lower pellet 16, thus rotary locking cylinder is unblanked; When key unlocking dynamics is little, lock core and lock core cover combine and unblank by clutch-plate 8; When entering violence and unblanking, lock core can not rotate under being enclosed within the effect of flat pearl 17 unblanks, if violence twisting lock core, then clutch-plate 8 meeting elastic deformation, lock core dally, thus stop lock not beaten by violence; After brute force disappears, normal usage function is recovered in clutch-plate engaging location.
Otherwise, outwards pull key in process, key piece 2 is pressed pearl face under the plectrum mouth arc surface effect of lock core 7, is rotated get back in the keyhole sheet 101 of key body around bearing pin 3, under the elastic force effect of spring 4, card bead 5 snaps in (see Fig. 7, Fig. 8 Suo Shi) in the half round cut 202 of key piece 2, key piece automatically resets, and is hidden in the rectangle key film perforation 101 of key body.
Embodiment 2
The present embodiment 2 and embodiment 1 are distinguished and are to replace clutch-plate (shown in Fig. 4-5) with pin, in the stomidium 906 that the stomidium 706 pin 803 being loaded lock core 7 and lock core overlap, spring wire 13 is put into the line groove hole 702 of lock core, pin 803, lock core 7, spring wire 13 are inserted in the endoporus 901 that lock core overlaps, by the connection of pin 803, lock core and lock core cover are fixed together.Remaining part annexation is shown in embodiment 1.When key unlocking dynamics is little, lock core and lock core cover combine and unblank by pin; When carrying out violence and unblanking, under the effect of the flat pearl 17 of lock core cover, can not rotate and unblank, when brute force twisting lock core, pinning ruptures, and idle running occurs lock core still can not unblank.
Embodiment 3
The difference of the present embodiment and embodiment 1 is the spring wire (as shown in Figure 6) replacing stirring key piece with lock core mold insert, the cylindrical of lock core is inserted in the endoporus of lock core cover, lock core mold insert 1301 is placed in the slotted eye of lock core end, on the boss of lock core mold insert, cover has spring 1303, under the elastic force effect of spring, the lower tip part top pressure of lock core mold insert inserts key piece 2 in lock core key body, key piece is rotated to key on larger plane orthogonal direction along bearing pin, thus unblanks.The annexation of the present embodiment 3 remaining part is with reference to embodiment 1.