CN2707916Y - Anti-theft lock - Google Patents

Abstract

The utility model discloses a theftproof lock, comprising a lock case (3) and a lock pin (5). The edge of the lock pin is provided with a lockhole (7), and the lock pin is provided with a lock column hole. The utility model is characterized in that the lock column hole on the lock pin and the lockhole are completely connected into a chip lock column hole (6). The chip lock column hole is provided with a lock chip (2) matching with it. The two ends of the lock chip match with the periphery circular arc of the lock pin. The lock chip is provided with a guide post (9). The utility model is exploited successfully with good anti-theft property and action and low failure rate, and it is unlocked easily and conveniently. The utility model is an ideal one in locksets.

Description

A kind of theftproof lock

[technical field]

The utility model relates to a kind of lockset.

[background technology]

At present, lockset is various in style on the market, structure is different, performance is various, look into Chinese patent, notice of authorization number is called the patent of invention of a kind of anti-theft cylinder lock and key for the CN117911C name, its summary of the invention is to describe like this: " a kind of cylinder lock head; comprise lock body; lock core; pellet shot from a slingshot; pellet shot from a slingshot return spring; shift fork, it is characterized in that lock body circular hole inboard has the square groove, have the side column groove on the lock core, the pellet shot from a slingshot hole, the side column groove is inboard to communicate with the side in pellet shot from a slingshot hole, and with pellet shot from a slingshot hole approximate vertical, the side column groove outside can be corresponding with the square groove of lock body inboard, one circle ∨ type groove is all arranged on each pellet shot from a slingshot, be provided with locking column in the side column groove, the inboard of locking column is the ∧ type, can match with the ∨ type groove on the pellet shot from a slingshot, the outside of locking side column is a square, can match with the square groove of lock body circular hole inboard, locking side column is provided with step, be fixed with pressing plate with the corresponding side column groove of the step outside, be provided with the locking side column return spring between the step of pressing plate and locking side column, the edge that the lockhole on the lock core is positioned at lock core is semiclosed shape, and the hole flank of tooth is vertical with pellet shot from a slingshot, and the installation site of lock core shift fork is not on lockhole; With the key that above-mentioned cylinder lock head matches, its tartar, gathering sill all are positioned at the front of key piece, and the reverse side of key piece is an arc." cylinder lock of this structure; its complex structure; when unblanking, pellet shot from a slingshot is with after key matches, and locking side column all slips in the ∨ groove of pellet shot from a slingshot by the effect of spring; just can unblank by rotational lock core; in case above-mentioned spring is owing to getting rusty or owing to other reason necrosis, whole lockset will be scrapped, therefore; this lockset rate of breaking down is very high, and the key difficulty of processing that matches with this lockset is also very big.

[utility model content]

In view of the problem that known technology exists, it is a kind of simple in structure that the purpose of this utility model is to provide, and theftproof performance is good, and fault rate is low, and its key theftproof lock easy to process.For achieving the above object, of the present utility modelly take following scheme to finish: a kind of theftproof lock, include lock housing, lock core and key, the edge of described lock core has lockhole, and on lock core, be provided with lock cylinder aperture, and it is characterized in that the lock cylinder aperture on the described lock core is communicated with into the chip lock cylinder aperture fully with lockhole, in described chip lock cylinder aperture, be provided with the locking plate that is complementary with it, the periphery circular arc of the two ends of described locking plate and described lock core is complementary, and is provided with lead on described locking plate; Described locking plate is provided with chamfered groove; The position that is provided with of lead has nothing in common with each other on described each locking plate; The gathering sill of described key is hollow gathering sill, and on the wall of gathering sill tartar is set.

The utility model is owing to cancelled the setting of lock housing, lock core inner spring, it is unblanked and locking all achieves the goal by lead on the locking plate and cooperating of key, thereby do not exist owing to the necrosis of spring is broken down, and because spring is not set, easy and convenient when unblanking, and have good theftproof performance,, will bring positive result of use for users according to the theftproof lock of the utility model design motif made.

[description of drawings]

The utility model has following accompanying drawing:

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of the utility model lock housing;

Fig. 3 is the left view of the utility model Fig. 2;

Fig. 4 is the structural representation of the utility model lock core;

Fig. 5 is the left view of the utility model Fig. 4;

Fig. 6 is the structural representation of the utility model locking plate;

Fig. 7 is the front view of the utility model locking plate;

Fig. 8 is the structural representation of the utility model key.

[specific embodiment]

Accompanying drawing has been represented structure of the present utility model and embodiment, is described further in conjunction with the accompanying drawings more below.This theftproof lock, include lock housing 3, lock core 5 and key 4, the edge of described lock core 5 has lockhole 7, and on lock core 5, be provided with lock cylinder aperture, lock cylinder aperture on the described lock core 5 is communicated with into chip lock cylinder aperture 6 (as shown in Figure 4) fully with lockhole 7, be provided with the locking plate 2 that is complementary with it in described chip lock cylinder aperture 6, the periphery circular arc of the two ends of described locking plate 2 and described lock core 5 is complementary, and is provided with lead 9 (as shown in Figure 7) on described locking plate 2; Described locking plate 2 is provided with chamfered groove 10, in the groove 1 of lock housing 3, be provided with the rib that matches with locking plate chamfered groove 10, when locking, make chamfered groove 10 block rib in lock housing 9 grooves 1, to increase theftproof performance, the position that is provided with of lead 9 has nothing in common with each other on described each locking plate 2, and decide according to the tartar of key the position of lead 9; In the present embodiment, processing is during lock core, after the lockhole on the lock core 5 is processed, bores lock cylinder aperture on lock core 5, and is with milling cutter that the two ends of lock cylinder aperture are logical by a side milling of lockhole then, chip lock cylinder aperture 6.This locking plate 2 adds man-hour, as long as locking plate 2 blanks are clipped in the columniform anchor clamps, the shape of this cylinder is identical with lock core 5, after lathe is to its processing, the two ends of its locking plate 2 promptly are complementary with the circular arc of lock core 5 peripheries, the gathering sill 8 of described key is hollow gathering sill, and interior tartar is set on the wall of gathering sill 8, the processing of this key 4 is also quite convenient, as long as key blank is placed on the punch press by the mould stamping-out, the groove that mills a toroidal behind the stamping-out in the end of key gets final product, its processing is very simple and convenient, when the utility model is unblanked, as long as insert the key 4 that matches with this lockset, under the effect of key 4 gathering sills 8, all with after tartar on the key 8 matches, all locking plate 2 two ends are all concordant with lock core 5 periphery circular arcs, at this moment for lead 9 on the locking plate 2, rotational lock core 5 just can reach the purpose of unblanking; During locking, pull out key 4, same because the effect of key 4 gathering sills 8, the lead 9 that drives on the locking plate 2 moves locking plate, and the two ends that make locking plate 2 become not concordant with the periphery of lock core 5, one end of locking plate 2 is slipped in the groove 1 of lock housing 3, can not rotational lock core and lock core 5 and lock housing 3 are blocked, reach the purpose of locking.Structure of the present utility model is very simple, and theftproof performance is good, and owing to do not adopt spring, and make the fault rate of this lockset very low, compared with prior art, have substantive distinguishing features and progress.

Claims (4)

1, a kind of theftproof lock, include lock housing (3), lock core (5) and key (4), the edge of described lock core (5) has lockhole (7), and on lock core (2), be provided with lock cylinder aperture, it is characterized in that the lock cylinder aperture on the described lock core (5) is communicated with into chip lock cylinder aperture (6) fully with lockhole (7), in described chip lock cylinder aperture (6), be provided with the locking plate (2) that is complementary with it, the periphery circular arc of the two ends of described locking plate (2) and described lock core (5) is complementary, and is provided with lead (9) on described locking plate (2).

2, theftproof lock according to claim 1 is characterized in that described locking plate (2) is provided with chamfered groove (10).

3, a kind of theftproof lock according to claim 1 is characterized in that described each locking plate (2) upward has nothing in common with each other the position that is provided with of lead (9).

4, theftproof lock according to claim 1 is characterized in that the gathering sill (8) of described key is hollow gathering sill, and on the wall of gathering sill (8) tartar is set.

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