CN2799759Y - Lock spring concealed lock - Google Patents

Abstract

The utility model relates to a lock spring concealed lock which belongs to the technical field of a lock device and is characterized in that an axle hole and a lock spring hole are arranged on a fixed lock core, a rotary lock core is provided with a rotary axis and a lock spring hole, wherein the rotary axis is matched with the axle hole rotationally, and the outer end of the rotary lock core is provided with a stopping plate and a rotary table. The stopping plate is provided with a key sprocket hole, and the rotary table is provided with a key hole. The fixed lock core, the rotary lock core, the stopping plate and the rotary table are all sheathed in a lock outer sleeve which is connected with the fixed lock core. The utility model has the advantages that if people do not have special key, the lock core can not be seen out of the lock, and thus, the lock can not be unlocked even through an electric drill is used, and the utility model has good anti-theft performance.

Description

Latent spring lockset

Technical field

The utility model belongs to lock technology field.

Background technology

At present, be used for some locksets such as cabinet door, drawer door, though style and kind are more, all have a deficiency be with similar key or master key testability open, perhaps bore snap with electric drill, also can unblank, theftproof performance is bad.

Summary of the invention

The purpose of this utility model is:

A kind of latent spring lockset of built-in snap is provided.

The technical solution of the utility model is:

Axis hole and locking tappet hole are arranged on fixed lock core, rotational lock core has turning cylinder and locking tappet hole, turning cylinder and axis hole are rotatably assorted, there are block plate and rotating disk in the rotational lock core outer end, the key perforation is arranged on the block plate, rotating disk has keyhole, and fixed lock core, rotational lock core, block plate and rotating disk all are placed in the lock overcoat, and fixed lock core with lock overcoat and fix.

The beneficial effects of the utility model are:

As do not have private key, and outside lock, can't see lock core, therefore, even destroy and can not open it with electric drill, theftproof performance is good.

Description of drawings

Fig. 1 is the utility model fixed lock core structure chart;

Fig. 2 is the utility model rotational lock core structure chart;

Fig. 3 is the utility model block plate structure chart;

Fig. 4 is the utility model turntable structure figure;

Fig. 5 is the utility model lock jacket structure figure;

Fig. 6 is the utility model Key structure figure;

Wherein: the 1st, fixed lock core, the 2nd, fixed lock core axis hole, the 3rd, fixed lock core locking tappet hole, the 4th, rotational lock core, the 5th, rotational lock core turning cylinder, the 6th, rotational lock core locking tappet hole, the 7th, block plate, the 8th, rotating disk, the 9th, keyhole, the 10th, lock overcoat, the 11st, key.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further:

The turning cylinder at rotational lock core center inserts the axis hole at fixed lock core center, and rotatable the cooperation, the rotational lock core locking tappet hole is rotatable corresponding with the fixed lock core locking tappet hole, in fixed lock core locking tappet hole and rotational lock core locking tappet hole, be separately installed with snap, block plate separates the snap and the external world, have only with key and key bit could be inserted in the rotational lock core locking tappet hole by the corresponding back of block plate rotation, lock could be opened.

Claims (1)

1, a kind of latent spring lockset, mainly comprise key, snap, it is characterized in that: axis hole and locking tappet hole are arranged on fixed lock core, rotational lock core has turning cylinder and locking tappet hole, and turning cylinder and axis hole are rotatably assorted, and there are block plate and rotating disk in the rotational lock core outer end, the key perforation is arranged on the block plate, rotating disk has keyhole, and fixed lock core, rotational lock core, block plate and rotating disk all are placed in the lock overcoat, and fixed lock core with lock overcoat and fix.

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