CN2427396Y

CN2427396Y - Anti-theft lock for agricultural transportation motor tricycle

Info

Publication number: CN2427396Y
Application number: CN002319497U
Authority: CN
Inventors: 张道宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-21
Filing date: 2000-03-21
Publication date: 2001-04-25
Anticipated expiration: 2010-03-21

Abstract

The utility model discloses an anti-theft lock for an agricultural transportation motor tricycle. The utility model is mainly composed of a front face tube, a directional post, a lock body and a lock bolt; the front face tube is provided with a lock bolt groove in which an internal lock of a supporting barrel and the lock bolt are arranged, when the directional post is rotated to a finite position, the lock bolt drops automatically into a spline groove, and a key is used for locking in a locking hole groove. The utility model has the advantages of simple structure, low cost, good tooth type self locking performance, high strength, firmness and high safety, so the utility model is a preferred anti-theft device for peasants of farming marker in buying motor tricycles.

Description

The agricultural three-wheel transporter anti-theft column lock

The utility model relates to anti-theft device for vehicle, particularly a kind of agricultural three-wheel transporter anti-theft column lock.

Anti-theft device for vehicle has small passenger car burglar alarm, anti-theft column lock at present, concerning agricultural tricycle, costs an arm and a leg, and is also inapplicable on the structure, and chain lock, iron sheet are locked shaky, are easily pried open.

The purpose of this utility model provides a kind of agricultural three-wheel transporter anti-theft column lock, has tooth-like self-locking, and intensity is good, and impact resistance is big, is difficult for destroyed.

Realize the technical measures that the utility model purpose is taked: a kind of agricultural three-wheel transporter anti-theft column lock, described anti-theft column lock is for having lock tongue slot 11 on front tube 1, bearing 9 is equipped with at two, direction post 2 is fixed in the front tube 1 by bearing 9, spline 8 is left at the middle part, support tube 10 is welded on the outer garden of front tube 1, after in the dead bolt 3 indentation lock bodies 4, put into from support tube 10 opening parts, rotation direction post 2, make the teeth groove of spline 8 aim at lock tongue slot 11, dead bolt 3 stretches in the teeth groove of spline 8 automatically, stretch into locking in the lock body 4 with key from keyhole slots 7, and by jam nut 6 lockings.

The tooth of described spline 8 is a stepped tooth, also can be spur wheel.

The utility model compared with prior art has advantage: adopt tooth-like self-locking, intensity is big, and impact resistance is big, and is safe and reliable, is not easy destroyed; The utility model technical costs price is low, and the steering wheel type three-wheel vehicle still is that the handle type three-wheel vehicle all is suitable for, vast rural market, and profitable, safe antitheft allows the peasant buy relieved car.

Below in conjunction with description of drawings the utility model is illustrated.

Fig. 1 is an agricultural three-wheel transporter anti-theft lock structure scheme drawing.

Fig. 2 is the AA cutaway view of Fig. 1.

From Fig. 1, shown in Figure 2, this agricultural three-wheel transporter anti-theft lock structure is fixed in the front tube 1 by the bearing 9 at two for have lock tongue slot 11, direction post 2 on front tube 1, the teeth groove of the spline 8 at its middle part forwards to when aiming at lock tongue slot 11, being contained in the dead bolt of supporting in the tube 10 3 will eject in lock body 4 automatically, stretch in the teeth groove of spline 8, promptly can stretch into pinning from keyhole slots 7 with key.The internal diameter running-fit of the external diameter of spline 8 and front tube 1 should make direction post 2 rotate flexibly, and the tooth of spline 8 also can be spur wheel except that being the stepped tooth.This lock adopts tooth-like self-locking, and intensity is good, and is reliable, is not easy destroyedly, and impact resistance is big, and safety is good, and the technical costs price is low, and most of users can both accept.

Claims

1. agricultural three-wheel transporter anti-theft column lock, it is characterized in that: described anti-theft column lock is for having lock tongue slot (11) on front tube (1), bearing (9) is equipped with at two, direction post (2) is fixed in the front tube (1) by bearing (9), spline (8) is left at the middle part, support tube (10) is welded on the outer garden of front tube (1), after in dead bolt (3) the indentation lock body (4), put into from support tube (10) opening part, rotation direction post (2), make the teeth groove of spline (8) aim at lock tongue slot (11), dead bolt (3) stretches in the teeth groove of spline (8) automatically, stretch into locking in the lock body (4) with key from keyhole slots (7), and lock by jam nut (6).

2. according to the described agricultural three-wheel transporter anti-theft column lock of claim 1, it is characterized in that: the tooth of described spline (8) is a stepped tooth, also can be spur wheel.