CN2255480Y - Anti-prizing lock with steel cover - Google Patents

Abstract

The utility model relates to an anti-prizing lock with a steel cover, which is composed of an iron ring, a lock core, a lock body, a steel cover, a key and a top ball. The lock body is round and the outside of the lock body is provided with the steel cover; the lock core replaces a lock tongue; when locked, the lock core (3) rotates and the iron ring is clamped by the lock core. The utility model has the advantages of simple structure, omission of a plurality of parts, firmness, less possibility of being prized, small side of the lock body, convenient manufacture and fewer working hours.

Description

The steel bushing pick-proof lock

The utility model belongs to a kind of steel bushing pick-proof lock.

At present, 2/3rds position just is used for installing the lock core and the decorative pearl on top of an official cap below the lock body of common padlock, and inoperative to the fastness of lock, dead bolt ejects by spring, and is shaky, is easy to pry open.Patent 89209119.3 pick-proof padlocks, patent 91233303.0 theft proof padlocks, structure is complicated, and the pick-proof performance is good inadequately, waste material, cost is higher, thereby seldom popular with users.

It is a kind of simple in structure, easy to make that the purpose of this utility model is to provide, economical with materials, the steel bushing pick-proof lock that the pick-proof performance is good.

The utility model is made up of iron hoop, lock core, lock body, steel bushing, spring, key, the decorative pearl on top of an official cap, in the lock body (3) lock core (2) is housed, back-moving spring (8) and pin (9), and back-moving spring (8) and pin (9) are contained in respectively on the breach of lock core (2); Lock body (3) is cylindrical, the outside is with steel bushing (4), and the bipod of iron hoop (1) radially inserts in the groove of lock body (3), and a footmuff is in spring (6), block iron hoop (1) above the spring (6), fasten lock body (3) below, another pin of iron hoop (1) fluted (10) has lock core (2), there is not dead bolt, during locking, lock core (2) rotates, and lock core (2) traverses and passes groove (10); Lock core (2) has been cut groove with iron hoop (1) appropriate section, and when unblanking, lock core (2) rotates an angle, and iron hoop (1) translation is upspring, and a pin is extracted out from lock body (3).Can also lock core (2) be radially loading in lock body (3), a pin of iron hoop (1) fluting, lock core (2) one ends fluting, iron hoop (1) reset and lock core (2) rotates and is interlocked; Iron hoop (1) one underfooting face is equipped with spring (7), and another pin fluting of iron hoop (1) is equipped with pin (11), and spring (6) is housed below; Eccentric ring diameter above the spring (7) is bigger, and when unblanking, spring (7) is upspring, eccentric ring fastening lock core (2); Steel lid (5) also can be housed on the both ends of the surface of lock body (3).

The utility model is simple in structure, saves some parts, makes easy to makely, and man-hour is few.This lock is very firm, is difficult for prying open, and the lock health is long-pending little, and cost is low, is subject to the user and welcomes.

Description of drawings:

Fig. 1 looks sectional view for a kind of embodiment master of the utility model;

Fig. 2 is the utility model A-A generalized section;

Fig. 3 is the utility model B-B generalized section;

Fig. 4 is the utility model C-C generalized section;

Fig. 5 is the utility model D-D generalized section;

Fig. 6 is another example structure schematic diagram of the utility model;

Fig. 7 is the utility model E-E generalized section.

Each member of the utility model is made of metal, and as Fig. 1, shown in Figure 5, steel bushing (4) is stainless steel or ordinary steel, and lock body (3) adopts the pig iron or aluminium.Cost is lower like this.Steel bushing (4) will be hidden the microstome of the decorative pearl on top of an official cap and seal, and will be specious, can prevent the metal of thief with gunpowder scorification microstome, and steel bushing (4) is not yielding.Lock body (3) is difficult for bursting apart.The aperture of hiding the decorative pearl on top of an official cap can be single-row, biserial, cross (being four direction) arrangement, the unidirectional common spoon of key, two-way spoon, cross-key.As shown in Figure 1, during locking, lock core (2) blocks the bipod of iron hoop (1), and spring (6) also can be contained in another pin.As shown in Figure 6, lock core (2) also can only block a pin of iron hoop (1), and another pin is blocked by pin.

Claims (3)

1, a kind of steel bushing pick-proof lock, form by iron hoop, lock core, lock body, steel bushing, spring, key, the decorative pearl on top of an official cap, it is characterized in that: in the lock body (3) lock core (2) is housed, back-moving spring (8) and pin (9), back-moving spring (8) and pin (9) are contained in respectively on the breach of lock core (2); Lock body (3) is cylindrical, the outside is with steel bushing (4), and the bipod of iron hoop (1) radially inserts in the groove of lock body (3), and a footmuff is in spring (6), block iron hoop (1) above the spring (6), fasten lock body (3) below, another pin fluted (10) has lock core (2), there is not dead bolt, during locking, lock core (2) rotates, and lock core (2) traverses and passes groove (10); Lock core (2) has been cut groove with iron hoop (1) appropriate section, and when unblanking, lock core (2) rotates an angle, and iron hoop (1) translation is upspring, and a pin is extracted out from lock body (1);

2, according to the described steel bushing pick-proof lock of claim 1, it is characterized in that: lock core (2) is radially loading in lock body (3), and a pin of iron hoop (1) fluting, lock core (2) one ends fluting, iron hoop (1) reset and lock core (2) rotates and is interlocked; Iron hoop (1) one underfooting face is equipped with spring (7), and another pin fluting of iron hoop (1) is equipped with pin (11), and spring (6) is housed below;

3, according to claim 1 or 2 described steel bushing pick-proof locks, it is characterized in that: steel lid (5) also can be housed on the both ends of the surface of lock body (3).

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