CN2600559Y

CN2600559Y - U-shape positioning anti-theft lock for motorcycle

Info

Publication number: CN2600559Y
Application number: CN 03222764
Authority: CN
Inventors: 梁康木
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-03
Filing date: 2003-01-03
Publication date: 2004-01-21
Anticipated expiration: 2013-01-03

Abstract

The utility model relates to an anti-theft lock for sheathing, clamping and positioning motorcycles. Both ends of a U-shaped lock frame [1] are respectively fixed with a lock sleeve [7] and a lock pin sleeve [2]. The lock sleeve [7] is respectively provided with a front end cap, a lock [11], a fixed ring [9], a clamping sleeve [8] of a lock pin bolt, and a back end cap. The front part of a lock pin [3] is provided with the lock pin bolt which is provided with a clamping block [6] and a clamping groove [5]. The front end surface of the clamping sleeve [8] of a lock pin bolt is provided with a spacing pin. The back end surface of the fixed ring [9] is provided with a rotation angle spacing groove which corresponds to the spacer pin of the clamping sleeve [8] of a lock pin bolt. The back end surface of the clamping sleeve [8] of a lock pin bolt is provided with a bayonet of the lock pin bolt, and the shape and the size of the bayonet of the lock pin bolt corresponds to the shape and the size of the lock pin bolt. The interior of the bayonet of the lock pin bolt is provided with a circular inner cavity. The utility model has the advantages of reasonable design, simple structure, convenient operation, firmness, durability and good anti-theft performance, and provides guarantee for the safety of motorcycles.

Description

Cover fastening position anti-theft lock for motorcycle

Technical field

The utility model relates to a kind of lockset, particularly a kind of cover fastening position anti-theft lock for motorcycle of lock control pivoted housing bayonet lock.

Background technology

In the prior art, anti-theft lock for motorcycle is many, mainly is divided into two kinds, and a kind of is steel wire lock, and another kind is a U-shape lock, but its retaining mechanism all is a spring generally, and theftproof performance is poor.A kind of anti-theft lock for motorcycle that patent application 98245972.6 provides is made up of U-shape lock frame, tapered end cover, threaded spindle cover and threaded spindle, and threaded spindle one end has the screw thread that adapts with swivel nut, and the other end has an axle key; One keyway that adapts with the axle key of threaded spindle is arranged in the threaded spindle cover, its design safety practicality, adopt screw-threaded coupling mechanism, the effect of pick-proof, anti-hammering, anti-pincers is relatively good, but owing to adopt helicitic texture, it must rotate the tapered end multi-turn when locking or unblank, it is convenient inadequately to use, many, trouble consuming time, and tapered end or lock pin screw thread be when contaminated, and operating flexibility is poor.

Summary of the invention

The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art and a kind of improved cover fastening position anti-theft lock for motorcycle is provided, and improves operating flexibility, the theftproof performance of product, the convenient use.

The purpose of this utility model can realize by following technical measures; This theftproof lock has the U-shape lock frame, lock pin, U-shape lock frame two ends are fixed with the tapered end cover respectively, lockpin sleeve, lock pin is provided with and prevents the guide slot that rotates, the front portion of lock pin is the lock pin tongue, the lock pin tongue is provided with fixture block and draw-in groove, before tapered end is set with, rear end cap, be provided with tapered end successively in the tapered end cover, retainer ring, lock pin tongue cutting ferrule, retainer ring is fixed on the tapered end rear end, and lock core pole connects lock pin tongue cutting ferrule, can rotate thereupon, lock pin tongue cutting ferrule front end face is provided with spacer pin, it is corresponding with the spacer pin of lock pin tongue cutting ferrule that the retainer ring rear end face is provided with the corner limiting groove, and lock pin tongue cutting ferrule can only rotate in the limited angular of corner limiting groove, and lock pin tongue cutting ferrule rear end face offers lock pin tongue bayonet socket, in an annular cavity is arranged, the shape of lock pin tongue bayonet socket, size is corresponding with the lock pin tongue, and the fixture block of lock pin tongue can insert in the lock pin tongue bayonet socket, the lock pin tongue bayonet socket of the corresponding lock pin tongue of the draw-in groove of lock pin tongue cutting ferrule, lock pin tongue cutting ferrule turns an angle, the lock pin tongue bayonet socket of lock pin tongue cutting ferrule blocks lock pin tongue location, and this is sealed, otherwise for unblanking.

Can establish anti-drilling sheet between tapered end and drive end bearing bracket, be circle, anti-drilling sheet has and keyhole size, the corresponding hole of shape.

The utility model is reasonable in design, and is simple in structure, utilizes the effect of cover card lock, sturdy and durable, theftproof performance is good, and for the safety of motorcycle provides safeguard, its operating flexibility is good, and is easy to use, it is few to form accessory, produces, assembles easily, and cost is low, is suitable for applying.

Description of drawings

Fig. 1 is a structure chart of the present utility model;

Fig. 2 is the sectional view of retainer ring of the present utility model;

Fig. 3 is the right view of Fig. 2;

Fig. 4 is the sectional view of lock pin tongue cutting ferrule of the present utility model;

Fig. 5 is the right view of Fig. 4;

Fig. 6 is the vertical view of lock pin of the present utility model.

The specific embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, this theftproof lock has U-shape lock frame [1], lock pin [3], U-shape lock frame [1] two ends are fixed with tapered end cover [7] respectively, lockpin sleeve [2], lock frame [1], lock pin [3], tapered end cover [7] and lockpin sleeve [2] are made by stainless steel, tapered end cover [7] and lockpin sleeve [2] are welded on lock frame [1] two ends, before tapered end cover [7] is equipped with, rear end cap, lock pin [3] is provided with and prevents the guide slot [4] that rotates, have the hole that matches with guide slot [4] on tapered end cover [7] rear end cap, can block guide slot [4], prevent that lock pin [3] from rotating, the front portion of lock pin [3] is the lock pin tongue, the lock pin tongue is provided with fixture block [6] and draw-in groove [5], be provided with tapered end [11] in the tapered end cover [7] successively, retainer ring [9], lock pin tongue cutting ferrule [8], retainer ring [9] is fixed on tapered end [11] rear end, lock core pole is connected on the lock pin tongue cutting ferrule [8], can rotate thereupon, lock pin tongue cutting ferrule [8] front end face is provided with spacer pin [13], it is corresponding with the spacer pin [13] of lock pin tongue cutting ferrule [8] that retainer ring [9] rear end face is provided with corner limiting groove [12], lock pin tongue cutting ferrule [8] can only rotate in 90 ° of the limited angular of corner limiting groove [12], lock pin tongue cutting ferrule [8] rear end face offers lock pin tongue bayonet socket [14], in an annular cavity is arranged, the shape of lock pin tongue bayonet socket [14], size is corresponding with the lock pin tongue, the fixture block of lock pin tongue [6] can insert in the annular cavity by lock pin tongue bayonet socket [14], the lock pin tongue bayonet socket [14] of the draw-in groove of lock pin tongue [5] corresponding lock pin tongue cutting ferrule [8], lock pin tongue cutting ferrule [7] rotates 90 °, the lock pin tongue bayonet socket of lock pin tongue cutting ferrule blocks lock pin tongue location, this is sealed, reverses 90 ° again for unblanking.Because it is sealed and unblank to rotate 90 ° and finish, use more convenient.

On tapered end [11], have groove, groove is provided with rotating circular anti-drilling sheet [10], and anti-drilling sheet [10] is provided with the corresponding hole of size, shape and keyhole, when keyhole bores with drilling tool in joyriding, anti-drilling sheet [10] can rotate with drill bit, thereby plays anti-drilling effect.

Claims

1. one kind is overlapped fastening position anti-theft lock for motorcycle, U-shape lock frame [1] is arranged, lock pin [3], U-shape lock frame [1] two ends are fixed with tapered end cover [7] respectively, lockpin sleeve [2], tapered end cover [7] is equipped with drive end bearing bracket successively, tapered end [11], retainer ring [9], lock pin tongue cutting ferrule [8], rear end cap, retainer ring [9] is fixed on tapered end [11] rear end, lock core pole connects lock pin tongue cutting ferrule [8], have on the lock pin [3] and prevent the guide slot [4] that rotates, the front portion that it is characterized in that lock pin [3] is provided with the lock pin tongue, the lock pin tongue is provided with fixture block [6] and draw-in groove [5], lock pin tongue cutting ferrule [8] front end face is provided with spacer pin [13], it is corresponding with the spacer pin [13] of lock pin tongue cutting ferrule [8] that retainer ring [9] rear end face is provided with corner limiting groove [12], lock pin tongue cutting ferrule [8] rear end face offers lock pin tongue bayonet socket [14], in an annular cavity is arranged.

2. theftproof lock according to claim 1 is characterized in that shape, the size of lock pin tongue bayonet socket [14] of lock pin tongue cutting ferrule [8] is corresponding with the lock pin tongue.

3. theftproof lock according to claim 1 is characterized in that being provided with anti-drilling sheet [10] between tapered end [11] and drive end bearing bracket, is circle, has on the anti-drilling sheet [10] and keyhole size, the corresponding hole of shape.

4. theftproof lock according to claim 1 is characterized in that having on tapered end cover [7] rear end cap hole that matches with guide slot [4].