CN2104913U

CN2104913U - Anti-theft bicyle lock

Info

Publication number: CN2104913U
Application number: CN 90221797
Authority: CN
Inventors: 刘思春
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-10-06
Filing date: 1990-10-06
Publication date: 1992-05-20

Abstract

A kind of anti-theft lock for bicycle, by lock body, lock core, lock core sleeve, lock Deng composition. It is characterized in that lock body is provided with lock core, lock core sleeve, locking bolt, lock Bolt spring and lock pressure spring; One end of lock core at

Shape is embedded in locking bolt bayonet It is interior; Bonnet lock hole is vertical each other with locking bolt, and there is outer heavy through-hole in bonnet lock hole opposite end, End is latched when being allowed to be latched to be sunken in hole. The utility model locks front-wheel, Rear-wheel can be locked, and there is close structure, firmness is high. Be not afraid of sled, The advantages of turning round, pounding.

Description

Anti-theft bicyle lock

The utility model relates to a kind of lock, particularly anti-theft lock for bicycle.

In recent years, bicycle is stolen serious, traces it to its cause, and mainly is that existing bicycle lock internal construction is loose, and the lock housing that forms with the metal sheet riveted has the slit, and protective capacities is poor, and easy stolen criminal pries open with screwdriver or breaks with things such as hammer, masonries.

The purpose of this utility model will provide a kind of anti-theft lock for bicycle that can overcome above-mentioned deficiency just.

The utility model mainly comprises lock body, lock core, snap close.The lock select is housed, lock select spring, lock core and snap close stage clip in the lock body.The one end one-tenth of lock core "

" shape is embedded in the lock select card internal orifice.Bonnet lock hole is vertical with the lock select, and the bonnet lock hole opposite end is drilled with outer heavy through hole, and the snap close end is sunken in the hole full when making locking.

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

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

Fig. 2 is the utility model unlocking condition schematic diagram;

Fig. 3 looks schematic diagram for the installation left side of the utility model lock bicycle front-wheel.

Lock body (1) is the integral body of casting or using additive method to be processed into steel.During assembling, will lock earlier in select spring (2) packs lock body (1) into from aperture (6), insert lock select (3) then and make bayonet socket (4) towards lock core "

" end, then insert lock core (9), (10) assembly of unblanking by hole (19), and with lock core "

" hold to embed and lock in the select bayonet socket (4).Snap close stage clip (8) tightens up the bottom after being put into by bonnet lock hole (5), locking-bar (15) is connected back (also can be the one whole straight metal bar that does not link) with snap close head (7) by link axle (16), from outside heavy through hole (13) insert the alignment pin of riveting tightly (14).

The utility model mounting means is that bicycle front wheel guard hold-down screw is screwed out, and screws by solid lockhole (11) again.If the lock trailing wheel, the similar existing lock of its mounting means.When unblanking, key inserts lock core (9) rotation, lock select (3) lock core "

" hold to stir and move, deviate from lock buckling groove (17).During locking, snap close set level push bonnet lock hole (5) and get final product.

The utility model is because lock body (1) is the one that adopts steel material to be processed into, and unlocking mechanism gathers entirely in lock body (1), and locking rear catch end is sunken in the hole (13).So have tight, the firm degree height of structure, the advantage of be not afraid of sled, turn round, pounding.

Claims

1, a kind of anti-theft lock for bicycle that is made of lock body (1), lock core (9), snap close and snap close stage clip (8) is characterized in that:

Locking bolt spring (2), locking bolt (3), lock core (9) are housed in a, the lock body (1).The one end one-tenth of lock core (9) "

" shape is embedded in the locking bolt bayonet socket (4);

B, on lock body (1), have one with the vertical each other bonnet lock hole (5) of locking bolt (3), be provided with stage clip (8) in the hole;

The bonnet lock hole (5) of c, lock body (1) two opposite end and outer heavy through hole (13) are same axle center, have a snap close to eject alignment pin (14) in the through hole;

2, anti-theft lock for bicycle according to claim 1, it is characterized in that snap close be a link or one whole straight metal bar, during locking, snap close connects lock body (1) two opposite end.