CN2286783Y - Armoured lock - Google Patents

Abstract

The utility model relates to an armoured lock which is mainly characterized in that the inner cavity of the outer sleeve of a left lock armour is provided with a dead bolt groove; the right end face of the outer sleeve of the left lock armour is made into a concave arc face; the left end face of the outer sleeve of a right lock armour, which can be closed with the outer sleeve of the left lock armour, is made into a convex arc face. The utility model has the advantages of simple structure, convenient installation and low manufacture cost. Because a lock body and a dead bolt are safely coated in the outer sleeves of the lock armours and the door locking purpose can be achieved by the integral lock body, the utility model can really have the functions of prying prevention, smashing prevention, shifting prevention, sawing prevention and drilling prevention.

Description

Steel-clad lock

The utility model belongs to door lock, particularly relates to a kind of antitheft Steel-clad lock.

The door lock that known use is maximum though cost is low, is easy to destroyedly, promptly uses dangerous.In addition, disclosed Chinese patent " Steel-clad lock ", the patent No. is 942312139, though have pick-proof and anti-function of pounding, and brings the sense of security to the user, but still exists structure complicated and make high and the deficiency of inconvenience is installed than difficulty and cost.

The purpose of this utility model is to overcome the deficiency in the known technology and provides a kind of both simple in structure and the low very strong Steel-clad lock of safety of cost.

The purpose of this utility model be by left side lock first overcoat, right lock first overcoat, in the lock first overcoat of the right side, lock body and lock core are installed and are had on the basis that the dead bolt of spring forms and realize: the inner chamber of left side lock first overcoat is shaped on the lock tongue slot that two ends all have blind hole, and a left side is locked the right side of first overcoat and made cancave cambered surface.Make convex globoidal with the left side of the closeable right lock first overcoat of left side lock first overcoat, the cancave cambered surface of the right side of left side lock first overcoat can match with the convex globoidal that the left side of first overcoat is locked on the right side.Have blind groove on lock body one side of installing in the lock first overcoat of the right side, this blind groove flexibly connects by jackscrew and right lock first overcoat.

The utility model has following accompanying drawing:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the lateral view of Fig. 1.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:

A left side is locked the inner chamber of first overcoat 1 and make the lock tongue slot 2 that two ends all have blind hole, and cancave cambered surface 3 is made in the right side of left side lock first overcoat, to lock the closeable right left side of locking first overcoat 5 of first overcoat with a left side equally and make convex globoidal 4, this convex globoidal matches with the cancave cambered surface of the right side of left side lock first overcoat, reaches pick-proof, the anti-purpose of pounding, preventing meanss of destruction such as saw.Have blind groove 10 on a side of the lock body 8 of dead bolt 6 that has spring and lock core 7, in the right lock first overcoat of again lock body being packed into, the blind groove on the lock body flexibly connects by jackscrew 11 and right lock first overcoat.

Left and right lock first overcoat of the present utility model can be selected materials such as cast iron, cast steel for use.Lock body horizontally slips in the integral body that formed by left and right lock first overcoat lock first overcoat, and the dead bolt in the lock body heads into by spring in the lock tongue slot of left side lock first overcoat inner chamber, and dead bolt just in time is stuck in the blind hole on the lock tongue slot.In the lock core on the key 9 insertion lock bodies, reach the purpose that lock is opened.

Advantage and the good effect that the utlity model has are: first overall construction design Rationally, make simply, cost is low and easy for installation. Its two be since lock body coat fully In lock first overcoat, thus no matter be to adopt sled, pound, or adopt dial, saw, brill etc. Means of destruction is all very difficult, has greatly improved user's the sense of security. Its three be by left, The integral body lock first overcoat that right lock first overcoat forms adopts the integral body of lock body to reach to lock a door Purpose then has the advantage that further strengthens security.

Claims (1)

1. Steel-clad lock, be by left side lock first overcoat, right lock first overcoat, the dead bolt of lock body and lock core being installed in right side lock first overcoat and being had a spring is formed, it is characterized in that: the inner chamber of left side lock first overcoat is shaped on the lock tongue slot that two ends all have blind hole, cancave cambered surface is made in the right side of left side lock first overcoat, make convex globoidal with the left side of the closeable right lock first overcoat of left side lock first overcoat, the cancave cambered surface of the right side of left side lock first overcoat can match with the convex globoidal that the left side of first overcoat is locked on the right side, have blind groove on lock body one side of installing in the lock first overcoat of the right side, this blind groove flexibly connects by jackscrew and right lock first overcoat.

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