A kind of electric padlock
Technical field
The present invention relates to the improvement of electric padlock structure.
Background technology
The use of mechanical lock has had very long history, because its key is just reproducible through simple profiling machine, and the repetition rate of coding is high, so its safety is difficult to guarantee.
Be prone to imitated problem though existing electronic lock has solved, its lock core structure is comparatively complicated usually, this baroque electronic lock, and volume is relatively also big; Can't be applied on the padlock.
The existing electric padlock such as the patent No. are that 200820065111.0 titles are the patents of " electric control lock ", and this patent makes padlock work through motor, gearbox and crank-link mechanism, complex structure, and fault rate is high; And, because padlock all is to be applied to be suspended on outer place, so not only be vulnerable to shake but also be prone to go to pot; For baroque mechanism, this vibrations and destruction are fatal; So this series products have application life low, fault rate is high, the problem of poor stability, and it can't be popularized and promote.
In addition; The patent No. is that 200620089280.9 titles are the patents of " a kind of electronic lock cylinder ", and this patent has been announced and utilized the fixedly mode of magnetic bead attraction slip magnetic bead, made between lock core and the lock core dial sleeve unfettered; The relative lock core dial sleeve of lock core is free to rotate, so can't lock body be opened; When using electron key, lock core is communicated with key after verifying key ID through automatically controlled plate with the coil in the lock core, and key is a coil power supply; Coil produces magnetic field forces the slip magnetic bead to leave the groove of lock core; And make the fixed-site between lock core and the lock core dial sleeve, will lock unlatching thereby control the lock core dial sleeve, though this kind lock core is simple in structure through rotary locking cylinder; Volume is little, but itself and be not suitable for being applied in the padlock; Because its lock core can rotate freely in lock body, thus its when being applied on the padlock, less stable through the vibration to padlock, is prone to lock core is caused damage.
Summary of the invention
The present invention is exactly to the problems referred to above, provides a kind of simple in structure, a kind of electric padlock that safety is good.
For reaching above-mentioned purpose of the present invention, the present invention adopts following technical scheme, the present invention includes lock body, lock core and U-shaped latch hook, and an end of U-shaped latch hook is arranged in first groove of lock body one side through spring; The opposite side of lock body is provided with second groove corresponding to the U-shaped latch hook; Lock core is arranged in the lock body, and first groove is with being provided with through hole between the lock core; U-shaped latch hook corresponding to through hole is provided with lock hook slot, is provided with ball between lock hook slot and the through hole; Described lock core below is a keyhole; Be provided with automatically controlled plate in the keyhole, automatically controlled plate links to each other with the coil in the lock core, and the top of its structural feature lock core links to each other through the inwall of torsion spring with lock body; The side on lock core top is provided with the pearl groove corresponding to ball; Be provided with the magnetic patch unit corresponding to coil on the lock core, described magnetic patch unit comprises fixedly magnetic patch and slip magnetic patch, and fixedly magnetic patch is embedded in a side of lock core, and the slip magnetic patch is arranged in the magnetic patch groove of lock core opposite side; Described fixedly magnetic patch is provided with the magnetic pole of slip magnetic patch on the contrary; Be provided with draw-in groove corresponding to the slip magnetic patch in the lock body; The length L of the depth H of magnetic patch groove, slip magnetic patch and the degree of depth h of draw-in groove reduce successively.
Beneficial effect of the present invention: 1, simple in structure, fault rate is low: member of the present invention is few, and is by simple electromagnetic induction principle; Insert keyhole through electron key, behind the ID of automatically controlled plate checking key, give the coil electricity in the lock core; Coil produces magnetic field; Control the slip magnetic patch and move, realize the function that open and close are locked through moving of slip magnetic patch, the motion of its each parts need not the participation of precision components such as gear; So fault rate is low.
2, good stability; Not fragile: as because lock core of the present invention is provided with fixedly magnetic patch, be provided with the slip magnetic patch corresponding to fixing magnetic patch in the magnetic patch groove, and fixedly magnetic patch to be provided with on the contrary with the magnetic pole of slip magnetic patch; So fixedly magnetic patch repels the slip magnetic patch outside the magnetic patch groove; A slip magnetic patch part is in the magnetic patch groove, and another part is fixed in lock core in the lock body in draw-in groove; Lock core can't rotate, and its stability is improved, and is not fragile.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of lock body of the present invention.
Fig. 3 is the structural representation of the present invention when opening.
Fig. 4 is the A-A sectional view of Fig. 1.
Fig. 5 is the partial enlarged drawing of Fig. 1.
The specific embodiment
The present invention includes lock body 1, lock core 3 and U-shaped latch hook 13, an end of U-shaped latch hook 13 is arranged in first groove 19 of lock body 1 one sides through spring 21; The opposite side of lock body 1 is provided with second groove 8 corresponding to U-shaped latch hook 13; Lock core 3 is arranged in the lock body 1, and first groove 19 is with being provided with through hole 14 between the lock core 3; U-shaped latch hook 13 corresponding to through hole 14 is provided with lock hook slot 16, is provided with ball 15 between lock hook slot 16 and the through hole 14; Described lock core 3 belows are keyhole 22; Be provided with automatically controlled plate 25 in the keyhole 22, automatically controlled plate 25 links to each other with the coil in the lock core 3 24, and the top of lock core 3 links to each other through the inwall of torsion spring 12 with lock body 1; The side on lock core 3 tops is provided with pearl groove 23 corresponding to ball 15; Be provided with magnetic patch unit 4 corresponding to coil 24 on the lock core 3, described magnetic patch unit 4 comprises fixedly magnetic patch 5 and slip magnetic patch 7, and fixedly magnetic patch 5 is embedded in a side of lock core 3, and slip magnetic patch 7 is arranged in the magnetic patch groove 6 of lock core 3 opposite sides; Described fixedly magnetic patch 5 is provided with the magnetic pole of slip magnetic patch 7 on the contrary; Be provided with draw-in groove 18 corresponding to slip magnetic patch 7 in the lock body 1; The degree of depth h of the length L of the depth H of magnetic patch groove 6, slip magnetic patch 7 and draw-in groove 18 reduces successively.
Lock core 3 is provided with at least two magnetic patch unit 4, and the slip magnetic patch 7 corresponding to magnetic patch unit 4 in the lock body 1 is provided with draw-in groove 18; A plurality of magnetic patch unit 4 can be avoided through external vibration, and slip magnetic patch 7 is moved; Thereby make unnormal unlocking of the present invention.
The slip magnetic patch 7 of at least two magnetic patch unit 4 can be arranged alternately in same perpendicular with fixing magnetic patch 5; Because if a plurality of magnetic patch unit 4 is or not same plane, all draw-in groove 18 need be set corresponding to the slip magnetic patch 7 of each magnetic patch unit 4, so, at least two magnetic patch unit 4 are arranged in the same perpendicular, then lock body 1 interior draw-in groove 18 can be reduced to two; Reduced the quantity of draw-in groove 18, made the present invention easy to process; And, when lock body 1 vibrates to the right, because inertia can make the slip magnetic patch 7 in left side slip in the magnetic patch groove 6; But the slip magnetic patch 7 on right side is same because inertia is drawn close draw-in groove 18 more; And when lock body 1 vibrated to the left, right side slip magnetic patch 7 slipped in the magnetic patch groove 6; The slip magnetic patch 7 in left side is drawn close draw-in groove 18 more; Thereby avoided the unnormal unlocking of the present invention that causes because of vibration completely.
Axis perpendicular to lock core 3 also penetratingly is provided with cylinder 2, and an end of cylinder 2 is embedded with fixedly magnetic patch 5, and the other end of cylinder 2 is provided with magnetic patch groove 6; Through cylinder 2 magnetic patch unit 4 is set, easily processing.
Second groove 8 is provided with in second through hole, 11, the second through holes 11 with the lock body between the lock core 31 and is provided with second ball 10, and U-shaped latch hook 13 is provided with second lock hook slot 9 corresponding to second ball 10; Be provided with the second pearl groove 26 corresponding to second ball 10 on the lock core 3; In U-shaped latch hook 13, make the present invention more firm through ball 15 and 10 actings in conjunction of second ball.
Lock hook slot 16 belows of U-shaped latch hook 13 are provided with slideway 17 corresponding to ball 15, and the bottom of slideway 17 is provided with retaining slope 20; When unblanking, U-shaped latch hook 13 moves up, slideway 17 and ball 15 relative motions, and last ball 15 blocks U-shaped latch hook 13 through keeping off slope 20, prevent that U-shaped latch hook 13 from coming off, and causes lock body to damage 1.
Below in conjunction with a description of drawings course of action of the present invention: when unblanking; Electron key is inserted in the keyhole 22, and electron key links to each other with the automatically controlled plate in the lock core 3 25, and automatically controlled plate 25 begins to verify the ID of electron key; After checking is passed through; Automatically controlled plate 25 inputs to the coil 24 in the lock core 3 with the electric energy of electron key, and coil 24 destroys fixedly original magnetic field between the magnetic patch 5 and slip magnetic patch 7, and in the magnetic patch groove 6 with slip magnetic patch 7 suction lock cores 3; This moment, lock core 3 was with no longer fixing between the lock body 1; Through rotary locking cylinder 3, the pearl groove 23 on the lock core 3 is with ball 15 correspondences, and the second pearl groove 26 is with ball 10 correspondences; Because spring 21 upwards promotes U-shaped latch hook 13, the lock hook slot 16 of U-shaped latch hook 13 is oppressed ball 15 in lock core 3, ball 15 is fallen within the pearl groove 23 of lock core 3, and U-shaped latch hook 13 is upspring automatically; Simultaneously, the torsion spring 12 of U-shaped latch hook 13 tops is lock core 3 energy reserves, and U-shaped latch hook 13 is positioned at the part of first groove 19, and ball 15 is stuck in the pearl groove 23, and lock core 3 can't be discharged the energy of torsion spring 12; Accomplish unlocking action.
When closing lock, U-shaped latch hook 13 is depressed, lock hook slot 16 is relative with ball 15 positions; Second lock hook slot 9 is with second balls 10 relatively the time, because the torsion of torsion spring 12 makes lock core 3 rotations; Ball 15 is by being discharged from the pearl groove 23, and second ball 10 is by being discharged from the second pearl groove 26; Be stuck in the lock hook slot 16 of U-shaped latch hook 13; The slide this moment position of magnetic patch 7 is also relative with draw-in groove 18, and fixedly magnetic patch 5 repels slip magnetic patch 7 between draw-in groove 18 and the magnetic patch groove 5, and lock core 3 is stuck; Accomplish and close the lock action.