CN2126280U

CN2126280U - Anti-theft lock for motorcycle

Info

Publication number: CN2126280U
Application number: CN 92208317
Authority: CN
Inventors: 刘道松
Original assignee: XIANYAN BOTERLI VEHICLE FITTINGS FACTORY RUIAN CITY
Current assignee: XIANYAN BOTERLI VEHICLE FITTINGS FACTORY RUIAN CITY
Priority date: 1992-04-23
Filing date: 1992-04-23
Publication date: 1992-12-30

Abstract

The utility model relates to an anti-theft lock for motorcycles, comprising a U-shaped set bar (2) with a groove and a lock body (3), wherein, the lock body (3) comprises a lock core (11), a lock core sleeve (10), a clamping pin of a lock-tongue (5), a restoring spring (7), and a cover plate (4). The anti-theft lock for motorcycles is mainly characterized in that an interspace groove (6) is arranged at the bottom of the clamping pin of the lock-tongue (5), a blind hole (8) of the restoring spring (7) is also arranged in the clamping pin of the lock-tongue (5), and a movable push pin is axially arranged in a position of a centre angle of 90 DEG of a cross lock core (11) simultaneously. The anti-theft lock for motorcycles has the advantages of flexible operation and safety.

Description

Anti-theft lock for motorcycle

The utility model be about anti-theft lock for motorcycle improvement, specially refer to the architecture advances of homemade 250 anti-theft lock for motorcycle.

In existing anti-theft lock for motorcycle, also form by U type twin shaft locking bolt, cross lock core, lock tube, dead bolt and spring, but homemade 250 motorcycles are owing to the reason in structure and the moulding, known anti-theft lock for motorcycle is difficult to use on homemade 250 motorcycles owing to the size difference, particularly known motorcycle anti-theft is locked between dead bolt and the lock body owing to long-term the use injected dust or corrosion and stuck phenomenon often appear in dirt, and the spring between the two dead bolt bayonet locks does not easily produce spring yet and is shifted and causes key ineffective because of there being good location measure.

In view of the problem that known technology exists, the purpose of this utility model aims to provide a kind of that can use on homemade 250 motorcycles or other model motorcycle and can guarantee that use is flexible, safe and reliable anti-theft lock for motorcycle.

The utility model is finished as follows, entire infrastructure of the present utility model comprises U type twin shaft locking bolt, lock body and the key that is provided with draw-in groove, lock body is by cross lock core, lock tube, dead bolt bayonet lock and spring, it is characterized in that the bottom after the assembling of dead bolt bayonet lock is to be provided with groove on the body, as dirt discharge groove, avoiding that sewage, dust are injected and the stuck phenomenon of generation, and on the dead bolt bayonet lock, be provided with location blind hole as back-moving spring.On the cross lock core of this lock between each cornerwise lock core and the lock tube axially on movable ejector pin is housed.For adapting to the application of homemade 250 motorcycles, the data of lock body and twin shaft locking bolt have all been done corresponding improvement design.

The utility model is compared with known technology, have characteristics safe and reliable, flexible operation, overcome because long-term use the and enter muddy water, dust easily and stuck deficiency has been made Transform Type design in size and technical data simultaneously is suitable for using on homemade 250 motorcycles especially.

The utility model has following accompanying drawing:

Fig. 1 is the schematic diagram of structure of the present utility model

Fig. 2 is that the utility model Fig. 1 is along the A-A sectional view

Fig. 3 is that the utility model Fig. 1 is along the B-B sectional view

Accompanying drawing has been represented structure of the present utility model and embodiment, anti-theft lock for motorcycle, comprise the U type twin shaft locking bolt (2) that is provided with draw-in groove, lock body (3) and key (9), lock body (3) is by lock core (11), lock tube (10), dead bolt bayonet lock (5), spring (7) and cover plate (4) are formed, dead bolt bayonet lock (5) is two of bilateral symmetry, one end of back-moving spring (7) is contained in the locating hole of dead bolt bayonet lock (5), the other end contacts the location with blind hole (8) on another dead bolt bayonet lock, after dead bolt bayonet lock (5) is installed on the lock body, at the downside of dead bolt bayonet lock (5) clearance groove (6) is arranged, prevent that rainwater dust from entering and the blowdown effect that produces the corrosion stuck phenomenon in order to long-term use of the utility model.The section of its groove (6) is referring to Fig. 3, lock core of the present utility model (10) adopts cross lock core, referring to Fig. 2, and cross lock core is divided into the quartering, its central angle is 90 °, simultaneously is axially arranged with movable ejector pin between 90 ° cornerwise lock core (11) and lock tube (10).

During assembling, back-moving spring (7) is contained in the locating hole of dead bolt bayonet lock (5), and after dead bolt bayonet lock (5) being put on the installation site of lock body, pushes down dead bolt bayonet lock (5) and cover plate and lock body are rivetted with rivet with cover plate (4).

During installation,, lock is installed on the front fork of motorcycle, blocks, get final product with bolt again with snap ring (1) as long as take out U-shape lock bolt (2).

Claims

1, a kind of anti-theft lock for motorcycle, comprise the U-shape lock bolt (2), lock body (3) and the key (9) that are provided with draw-in groove, lock body is made up of lock core (11), lock tube (10), dead bolt bayonet lock (5), spring (7) and cover clamp (4), it is characterized in that being provided with clearance groove (6), and on dead bolt bayonet lock (5), be provided with the location blind hole (8) of back-moving spring (7) in the bottom of dead bolt bayonet lock (5).

2, anti-theft lock for motorcycle as claimed in claim 1 is characterized in that lock core (11) is cross lock core, and cross lock core (11) is divided into the quartering, and its circle core angle is 90 °.

3, anti-theft lock for motorcycle as claimed in claim 1 or 2 is characterized in that at central angle be the movable ejector pin that is axially arranged with between 90 ° of cornerwise lock cores and the lock tube.