CN2222106Y

CN2222106Y - Double-ring theft-proof lock

Info

Publication number: CN2222106Y
Application number: CN94247874.6U
Authority: CN
Inventors: 李民安
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-12-21
Filing date: 1994-12-21
Publication date: 1996-03-13
Anticipated expiration: 2004-12-21

Abstract

The utility model relates to a double-ring theft-proof lock which has firm structure and favorable theft-proof performance and is convenient in operation, which solves the problems that traditional punched locks are convenient in operation but have poor theft-proof performance while theft-proof locks newly on sale have favorable theft-proof performance but are inconvenient in operation. The utility model is composed of two notched circular rings which are made of steel bars and arranged up and down, wherein a lock body is welded at the right end of the lower ring, guiding elements are welded at the left end and the center, and the lower ring can rotate freely in a guide hole of the guiding element. When notches of the double rings are in superposition in rotation, the utility model is in an unlocked state; when the notches of the double rings are in complete malposition while a lock core in the lock body clamps an end groove on the end part of the upper ring, the utility model is in a locked state. The utility model is used for bicycles or motorcycles.

Description

The dicyclo anti-theft vehicle lock

The utility model relates to a kind of anti-theft vehicle lock that is used for bicycle.

Existing traditional punching press bicycle lock is unblanked and to lock latching operation very convenient, but anti-theft is poor.

The anti-theft vehicle lock that recent market occurs, as be inserted in letter lock of an iron staff between wheel width of cloth bar or the section of having flexible strand around lock, anti-theft is good, but unblanks and lock latching operation inconvenience.

The purpose of this utility model is that a kind of novel anti-theft lock will be provided, and it is convenient to have unblanking and lock latching operation, the advantage that anti-theft is good.

The purpose of this utility model is achieved in that

Fig. 1 is the structural principle scheme drawing of dicyclo anti-theft vehicle lock, represents that two notched rod iron rounding rings set up up and down.Last ring (2) is when following ring (1) returns hour hands and rotates, and two encircle breach misplaces fully, then is in the state of keyed; Clockwise rotate position shown in Figure 1, then be in the state of opening.If between dicyclo, add guide, down ring (1) right-hand member is burn-on and can be blocked or decontrol the parts of going up ring (2) end slot, then achieve the goal.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 2 is that Fig. 3 is the AOB section-drawing among Fig. 2 according to the front view that has local section of the dicyclo anti-theft vehicle lock that the utility model proposes.

Below in conjunction with Fig. 2 and Fig. 3, describe CONSTRUCTED SPECIFICATION and service condition in detail according to the dicyclo anti-theft vehicle lock that the utility model proposes.

Following ring (1) left end of this lock is welded with that a guide (9), centre are welded with two guides (6,8), right-hand member is welded with lock body (3), small column, little spring and the little obstruction etc. that have lock core (4) and general lock all to have in the lock body (3).Clamp (10) and screw-nut (11) can be fixed on the car encircling (1) down.

Last ring (2) is contained in the pilot hole of three guides (6,8,9), can two-wayly rotate.The left end of last ring (2) has end slot, centre to be wound with compression spring (5), right-hand member is welded with handle (7).

During the lock lock, with hand propelled handle (7), last ring is blocked end slot by lock core (4) in the hole that (2) rotate counterclockwise, left end enters lock body (3), extracts key out.The state of representing as Fig. 2.When unblanking, key is inserted lock core (4) turn to lock core (4) end ad-hoc location jaggy, ring (2) clockwise rotates and finishes unlock operation in compression spring (5) promotion.One pushes away lock, turns on, easy to operate.All parts firm, adopt weld assembly, card end slot to pin the movable ring (2) of going up, so anti-theft is good.

This lock is made by 1: 1 according to Fig. 2 and Fig. 3, can be used for bicycle; Make an amendment less to amplify and also can be used for motor bike.

Claims

A kind of dicyclo anti-theft vehicle lock that is used for bicycle or motor bike is characterized in that:

Following ring (1) one end is welded with the lock body (3) of Built-in lock core (4), and the middle and other end is welded with guide (6,8,9); One end has the ring (2) of going up of end slot to be contained in the pilot hole of guide (6,8,9), can rotate and is blocked or decontrol end slot by lock core (4), so that realize the lock lock or unblank.