CN2256452Y - Improved ball lock core and key strusture - Google Patents

Abstract

The utility model relates to an improved ball lock core and a key structure. At least one long lock ball is arranged in the lock core which is arranged along the axial direction of a lock head; one end after assembled extends out of the lock hole and pushes the surface of the other side wall, and the other end is positioned at the intersecting surface of the lock core and a lock shell in the lock core; a through hole is arranged on the surface of the key corresponding to the long lock ball, when the key penetrates in the lock hole, one end of the long lock ball penetrates out of the through hole and does not move, the other lock balls move to a predetermined position, and the lock core can be in a rotating state; when foreign matter is placed in the lock hole, the long ball moves and stops between the lock core and the lock shell, the lock core can not rotate, and in this way, favorable anti-theft efficiency can be obtained.

Description

A kind of pearl lock core and Key structure of improvement

The utility model is about a kind of pearl lock core and Key structure, especially refer to a kind of at least one long pearl that in core, be provided with, and the corresponding long lock pearl of surfaces of keys offers through hole, after key is inserted lockhole, long lock pearl one end can pass through hole, and foreign matter is when penetrating, and long lock pearl must be subjected to pass that fall between core and lock housing can't rotation lock core, thereby can obtain good antitheft effect.

Usually, the pearl lock construction is axially to install a core in lock housing, footpath at this lock housing and this core makes progress, offer the hole of bead of some correspondences respectively, be equiped with the lock pearl of different sizes in each hole of bead, when key does not penetrate, being installed in the lock housing pearl of respectively locking radially just is positioned between lock housing and core, core can't be rotated, and after key penetrates, then the shrinkage pool of surfaces of keys is just distinguished corresponding core lock pearl radially, promotes respectively to lock pearl simultaneously and makes its junction two sides that are positioned at lock housing and core respectively just, and this moment, core was promptly rotatable.

Though aforementioned pearl lock construction has pretty good result of use, but for the people who has the inclination to unblank, with its experience, technology, as long as suitably adjust the weight of compacting lock pearl, each can be locked pearl and be pushed to aforementioned unlocking condition, and rotation lock core reaches the purpose of unlatching, in other words, its anti-theft effect is unsatisfactory, remains further to be improved

Main purpose of the present utility model, be that a kind of pearl lock core and Key structure of improvement are being provided, promptly by at least one long lock pearl that is installed in core, make it when locking state, one end extend through lockhole and be against lockhole opposite side wall, and the other end is in core and just be positioned at the interface place of core and lock housing, like this after corresponding long lock pearl is on the key offered through hole key is penetrated, do not influence long lock pearl and be the shape of to unblank, again when foreign matter is inserted, must lock pearl by moving long, this duration lock pearl one end falls between core and the lock housing, core can't rotate naturally and can't unblank, and so just can obtain better antitheft effect

Can further understand structure of the present utility model, feature and purpose thereof, effect, be described in detail with preferred embodiment and accompanying drawing thereof below:

Fig. 1 is an outside drawing of the present utility model

Fig. 2 is a structural representation of the present utility model.

Fig. 3 is another structural representation of the present utility model.

Fig. 4 is a user mode schematic diagram of the present utility model.

Fig. 5 is the user mode schematic diagram of other direction of the present utility model.

Among the figure

(1) lock housing (10) hole of bead

(11) spring (12) outside lock pearl

(2) core (20) hole of bead

(21) the long lock of interior side chain pearl (22) pearl

(23) lockhole (3) key

(30) recess (31) through hole

(32) breach (40) hole of bead

(41) hole of bead (42) spring

(43) the interior side chain pearl of outside lock pearl (44)

See also Fig. 1, Fig. 2, the utility model pearl lock core and Key structure feature are axially to install a core 2 in a lock housing 1, and this lock housing 1 radially offers some hole of beads 10, one spring 11 is installed in each hole of bead 10, and is equiped with an outside lock pearl 12 on each spring 11 again.Secondly some hole of beads 20 are offered in make progress each hole of bead 10 of corresponding lock housing 1, these core 2 footpaths, side chain pearl 21 in being equiped with in the hole of bead 20, be equiped with long lock pearl 22 (notes in the hole of bead 20 and have at least, present embodiment only is provided with long lock pearl with a hole of bead and illustrates), it will be further appreciated that, this length lock pearl 22 1 ends system extends the core 2 axial lockholes of being offered 23 and supports the opposite side wall that ends at lockhole 23, and the long other end of locking pearl 22 is positioned at core 2, and just in the interface place of core 2 with lock housing 1.Please consult again shown in Figure 1, this key 3 surfaces corresponding in each side chain pearls 21 be provided with some recesses 30, corresponding long lock pearl 22 then offers a through hole 31.

Please consult shown in Figure 2 again, when core 2 with after lock housing 1 combines, except that long lock pearl 22 outside lock pearls 12 pairing with it are specific positioning states already, all the other each outside lock pearls 12 are subjected to spring 11 effects and move to axis direction, so that each outside lock pearl 12 falls into core 2 and 1 of lock housing is the blocking shape, and pairing interior side chain pearl 21 is promoted and make an end extend lockhole 23 also to ending at lockhole 23 another sidewalls, therefore see outside to inside by lockhole 23 that as seen side chain pearl 21 all abuts against at lockhole 23 internal faces with one of long lock pearl 22 end in each.

See also shown in Figure 4 below, when key 3 penetrates lockhole, set each recess 30 in its surface corresponding respectively in side chain pearl 21, side chain pearl 21 pushes 12 withdrawals of outside lock pearl in each so cause, and side chain pearl 21 1 ends do not fall into the hole of bead 10 of lock housing 1 in each, and outside lock pearl 12 does not also fall into the hole of bead 20 of core 2, pass through hole 31 as for 22 one ends of long lock pearl, make it not produce any displacement, in other words, the end of this length lock pearl 22 does not still fall into the hole of bead 10 of lock housing 1, and side chain pearl 12 does not also fall into the hole of bead 20 of core 2 outside its correspondence, under this state, and 1 not any blocking of tool of core 2 and lock housing, be rotatable state, that is remove locking state.

The structure of above pearl lock is if insert lockhole 23 with the foreign matter beyond this key 3, when attempt compresses in each side chain pearl 21, it will promote this length lock pearl 22 simultaneously, and should longly lock the former contiguous lock housing 1 of pearl 22 1 ends, in case after being pushed, then fall into the hole of bead 10 of lock housing 1, make core 2 and lock housing 1 be subjected to the blocking of this length lock pearl 21 to place restrictions on and can't relatively rotate, that is still be locking state, the real specific keys 3 outer objects that are difficult to of the utility model structure are opened like this, and its anti-theft effect is good more than the prior art lock construction really.

Consult again shown in Fig. 1,3, the utility model can directly make progress at lock housing 1 and core 2 opposite sides, correspondence offers some hole of beads 40,41 in addition respectively, and be equiped with in each hole of bead 40,41 spring 42, outside lock pearl 43 and in side chain pearl 44, its structure, assembling mode are because of same as the prior art, so no longer describe in detail.And key 3 one side systems are established and are formed with some breach 32, can be whereby corresponding side chain pearl 44 in each is when so penetrating lockhole 23 with key 3, as shown in Figure 5, each breach 32 just can push interior side chain pearl 44, outside lock pearl 43 is withdrawn in the hole of bead 40 fully, and interior side chain pearl 44 also do not fall into the hole of bead 40, like this, the structure that cooperates aforementioned long lock pearl 21, can make this lockset form multiple lock state, improve the degree of difficulty that this lockset is opened, its theftproof and practicality more can obtain proof once more.

In sum, the utility model is established long lock pearl and is engaged in surfaces of keys and offers through hole in core, make lockset can therefore significantly improve its anti-theft effect, can cooperate suitable pearl lock construction at other sides again simultaneously, and make lockset form multiple lock, improving theftproof more, is a kind of very practical novel lockset.

Claims (1)

1. the pearl of an improvement is locked core and Key structure, be axially to install a core in a lock housing, this lock housing radially offers some hole of beads, one spring is installed in each hole of bead, and be equiped with an outside lock pearl on each spring again, secondly some hole of beads are offered, side chain pearl in being equiped with in the hole of bead in addition in directly make progress each hole of bead of corresponding lock housing of this core, described key, corresponding each the interior side chain pearl of surface system is provided with some recesses; It is characterized in that: have at least in each hole of bead to be equiped with long lock pearl in the hole of bead, this length lock pearl one end extends lock mandrel to the lockhole of being offered, and support the opposite side wall that ends at lockhole, and the other end of this length lock pearl is positioned at core, and be in close proximity to the interface place of core and lock housing, this surfaces of keys then offers through hole to growing the lock pearl

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