CN2213213Y

CN2213213Y - Theft-proof door lock

Info

Publication number: CN2213213Y
Application number: CN 94230961
Authority: CN
Inventors: 易水平
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-12-08
Filing date: 1994-12-08
Publication date: 1995-11-22
Anticipated expiration: 2004-12-08

Abstract

The utility model discloses a theft-proof door lock, and the outer shape is a rectangular box body. The two surfaces of a lock body are respectively provided with a lock core, a big bolt turn knob, and a small bolt rotating handle; the right side surface of the lock body is also provided with a decorative surface plate, and the inside of the body is provided with a small bolt control mechanism, a big bolt control mechanism, and a lock core control mechanism. The utility model is mainly characterized in that the inside of the small bolt control mechanism is provided with a rotating clutch; people can conveniently control the closure of a door indoors, and the rotating handles outside the door can lose the door opening action. The utility model has the advantages of novel design and easy use; meanwhile, the utility model has good theft-proof performance.

Description

Theft-proof door lock

The utility model relates to a kind of safe-guard door lock of mechanical double dead bolt.

Existing safe-guard door lock, structural shape is various, mainly is made of lock core, lock body, dead bolt etc.These locks mostly are to install for general door.Its theftproof performance is undesirable, though the good inconvenience of installing and using of the theftproof that has, application life is not long.Owing to also have the robber in the present society, people go to work, go out to worry that family is stolen.

Therefore, people wish to have a kind of good looking appearance generous, good, easy to use, the long-lived special safe-guard door lock for the security door installation of theftproof performance.

The purpose of this utility model provides a kind of safe-guard door lock.This lock is novel in design, simple in structure, and good looking appearance, theftproof performance are good, easy to install.

Below in conjunction with accompanying drawing the utility model is carried out detailed narration:

Accompanying drawing 1 is the schematic perspective view of the utility model contour structures,

Accompanying drawing 2 is the right view of Fig. 1,

Accompanying drawing 3 is an internal construction schematic diagram of the present utility model.

With reference to the accompanying drawings shown in 1,2,3, the utility model safe-guard door lock profile is a rectangle box body, be respectively equipped with lock core (1), big dead bolt turn-knob (2), little dead bolt rotary handle (3) and (26) on the two sides of lock body (10), also be provided with decoration panel (8) at the right flank of lock body (10). Be provided with the controlling organization of the controlling organization of little dead bolt, big dead bolt controlling organization, lock core in lock body, little dead bolt controlling organization comprises that little dead bolt (5), spring (22), connecting plate (14), rotating shaft (23) consist of; Big dead bolt controlling organization bag Draw together big dead bolt (4), anti-theft fastener (9), thumb wheel (17), rotating shaft (24), upper lock tongue connecting plate (13), upper lock tongue Connection Block (11), upper lock tongue (7), lower dead bolt connecting plate (25), lower dead bolt Connection Block (12), lower dead bolt (6) formation; Lock cylinder control mechanism comprises that lock core (1), gear shifting device (15), gear shifting device turning wheel (16) consist of. It improves main points and be provided with little dead bolt rotary clutch (21) in the controlling organization of little dead bolt, little dead bolt rotary handle (3) is connected with the rotating shaft (23) of little dead bolt controlling organization, and little dead bolt turning handle (26) is embedded in lock body (10) upward and entangles rotating shaft (23).

The utility model is installed in when using on the antitheft door, at first rotate big dead bolt turn-knob (2), driving thumb wheel (17) by rotating shaft (24) rotates, when the tooth on the thumb wheel hits pin (18) on the big dead bolt (4), just make big dead bolt (4) mobile along shifting chute (19), and by upper lock tongue connecting plate (13), lower dead bolt connecting plate (25) drives upper lock tongue (7), lower dead bolt (6) moves up and down, when big dead bolt turn-knob (2) rotates clockwise, big dead bolt (4), upper lock tongue (7), lower dead bolt (6) is lived knocker, at this moment, driving gear shifting device turning wheel (16) counter-clockwise direction by key rotation lock core (1) rotates, when the tooth of gear shifting device turning wheel (16) hits the tooth of gear shifting device (15), just driving gear shifting device (15) moves down along shifting chute (20), when gear shifting device (15) propped up the left part of big dead bolt (4), this moment, door latched. Be provided with two gears at gear shifting device (15), can make door be in full lock or half lock status. The anti-theft fastener (9) that arranges at big dead bolt (4) is a Thin Elastic steel disc, in case the robber saws dead bolt. Little dead bolt controlling organization mainly is the effect of getting latch, shuts the door when the people is in the room, and little dead bolt is just lived knocker. Rotate just driven rotary axle (23) rotation of little dead bolt rotary handle (3), on rotating shaft Pin (27) when dropping on the recess of little dead bolt rotary clutch (21), at this moment rotate little dead bolt rotary handle (3) and (26) and all door can be opened. After if door is closed, with little dead bolt rotary handle (3) backward rotation, so that the pin (27) on the rotating shaft (23) drops on the protruding place of little dead bolt rotary clutch (21), rotating shaft (23) is just thrown off with little dead bolt rotary handle (26), and little dead bolt rotary handle this moment (26) rotates come what may all can not be opened door.

The utility model theftproof lock has modern design with existing phase-locked ratio, and advantage simple in structure, easy to use has good theftproof performance simultaneously, and the particularly suitable family security door is installed.

Claims

A kind of safe-guard door lock, its profile is a rectangle box body, be respectively equipped with lock core (1) on the two sides of lock body (10), big dead bolt turn-knob (2), little dead bolt rotary handle (3) and (26), right flank at lock body (10) also is provided with decoration panel (8), in lock body, be provided with the controlling organization of little dead bolt, big dead bolt controlling organization, the controlling organization of lock core, little dead bolt controlling organization comprises little dead bolt (5), spring (22), junction plate (14), axis of rotation (23) constitutes, big dead bolt controlling organization comprises big dead bolt (4), antitheft button (9), thumb wheel (17), axis of rotation (24), upper lock tongue junction plate (13), upper lock tongue Connection Block (11), upper lock tongue (7), following dead bolt junction plate (25), following dead bolt Connection Block (12), following dead bolt (6) constitutes, the lock core controlling organization comprises lock core (1), gear shifting device (15), gear shifting device turning wheel (16) constitutes, it is characterized in that in the controlling organization of little dead bolt, being provided with little dead bolt rotary clutch (21), little dead bolt rotary handle (3) is connected with the axis of rotation (23) of little dead bolt controlling organization, and little dead bolt turning handle (26) is embedded in lock body (10) and goes up and entangle axis of rotation (23).