CN2118783U

CN2118783U - Complete-sealed bicycle lock

Info

Publication number: CN2118783U
Application number: CN 92206095
Authority: CN
Inventors: 梅志刚
Original assignee: YONGJIU BICYCLE LOCK JOINT FACTORY JINXIAN COUNTY ZHEJIANG PROV
Current assignee: YONGJIU BICYCLE LOCK JOINT FACTORY JINXIAN COUNTY ZHEJIANG PROV
Priority date: 1992-04-02
Filing date: 1992-04-02
Publication date: 1992-10-14

Abstract

The utility model discloses a totally enclosed anti-theft bicycle lock comprising a lock body, a lock core sleeve, a lock core, cylinders, springs, a lock rod, a guide pin, a pin axle, a connection, etc. The lock body is provided with a lock core sleeve hole in a special shape, a pin axle hole and a lock rod hole which are penetrated and are vertical, the lock core sleeve in a special shape is assembled in the lock core sleeve hole of the lock body, the lock core sleeve is provided with a dovetail slot whose one end is sealed and which is assembled with a swallow-tailed aluminium mounting, and each cylinder and each spring are enclosed in the lock body to form a totally enclosed gapless integral structure. The utility model has the advantages of novel structure, high anti-theft performance and simple fabrication process. The utility model can not be destroyed by a general tool for a criminal purpose.

Description

Complete-sealed bicycle lock

The utility model relates to bicycle lock.

Vehicle is stolen, bring economically loss and spiritual uneasiness to people, and total the be unableing to do without of stolen reason do not have the good lock of a kind of theftproof performance, as tradition crab tongs shape lock that uses and the theftproof lock that occurs recently, because reasons in structure, make auto theft person have the slit to prize, cause the auto theft accident frequently to take place, in popular anxiety! Along with the improvement of habitat condition, the bicycle majority is parked in collective's bicycle shed, more needs to have the good lock of theftproof performance.

The purpose of this utility model provides totally-enclosed anti-theft vehicle lock a kind of novelty, that theftproof performance is good in order to improve the structural shape of traditional lock.

The utility model is a kind of improvement of lock, it is achieved by the following scheme: on the basis of original lock body, lock core, pellet shot from a slingshot, spring, locking bar, lock rod spring, guide finger, alignment pin, bearing pin spring and bindiny mechanism, between lock body and lock core, establish the lock core cover of a special shape, its cross sectional shape can be "

" font, "

" shape, "

" shape.And putting the dovetail groove that has end sealing at lock core, the aluminum seal sheet of swallow-tail form inserts in the dovetail groove, outside pellet shot from a slingshot, spring being hidden in the lock core cover be not exposed to by the lock body sealing, forms totally-enclosed, a seamless structural shape of prizing.

The utility model compared with prior art, novel structure, manufacturing process is simple because structure is totally enclosed, the seamless sled, general tool used in crime can't destroy it, therefore, it has better theftproof performance, and easy to use, and certain market is arranged.

Description of drawings.

Fig. 1 is the utility model structural representation sectional view.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is the B-B sectional view of Fig. 1.

According to above-mentioned accompanying drawing embodiment, will describe in further detail below.

The lock body (9) of totally-enclosed anti-theft vehicle lock (referring to Fig. 1-3) has " " font lock core trepanning (14), the pin shaft hole that locking member is housed and the latch arm hole that matches with lock core cover (3) shape, interpenetrates and be orthogonal in three holes, " " font lock core trepanning (14) with "

" the lock core cover (3) of font is press-fitted; be press-fitted lock core (1) in the lock core cover (3); various pellets shot from a slingshot, spring (5) are hidden in the pellet shot from a slingshot hole, pellet shot from a slingshot comprises being contained in the Round nose (2) that matches with the key tooth depth in the lock core (1) and being contained in anti-in the lock core cover (3) to be dialled bullet (4), flat nose (7), locatees bullet (8).Mill out the swallow tail shaped slot perpendicular to the pellet shot from a slingshot axis hole on the lock core cover (3), this groove outer end is not milled and logical is closed, and aluminum seal sheet (6) is swallow-tail form, inserts dovetail groove, has surrounded pellet shot from a slingshot, spring (5) hidden by lock body (9), forms seamless full-closed structure.

Locking member bearing pin (12) and bearing pin spring (10) are housed in the pin shaft hole on the lock body (9), and bearing pin (12) has a notch, and the cam pin (11) on lock core (1) top embeds bearing pin (12) notch.

Locking bar (13) and lock rod spring (19) are housed in the latch arm hole; the two ends of spring can be provided with sealing ring; the protection spring; locking bar (13) is a multidiameter, and it has a radial groove (18), at its relative position one axial elongated slot (20) is arranged; and open a warp-wise groove again in the radial direction of elongated slot (20); this warp-wise groove and elongated slot (20) form L shaped, and the guide finger (21) that is contained on the lock body (9) is arranged in elongated slot (20), and rotating, locking bar (13) also can slip into the warp-wise groove.

If bearing pin (12) is not in the warp-wise groove (18) of locking bar (13), push away locking bar (13) this moment, bearing pin (12) enters groove (18) under spring (10) effect, lock is promptly locked, and lock rod spring (19) is locked on the position locking bar (13).Open lock as need, rotation by lock core (1) makes cam pin (11) drive bearing pin (12) rising, locking bar (13) pushes away left under the effect of lock rod spring (19), lock is promptly opened automatically, do not answer external force former thereby slide to latched position in order to ensure the locking bar (13) after opening, locking bar after the unlatching should rotate, allows guide finger (21) enter in the warp-wise groove vertical with elongated slot (20), and locking bar (13) promptly is fixed.

This locking fixes on bicycle front fork or the back vent, and special-purpose bindiny mechanism is arranged, and it comprises that pressing plate (15) is connected with lock body (9) by soket head cap screw (16), seals with metal mounting (17) at interior hexagonal place then.

Lock external surface ice is copied lacquer or is sprayed paint or the plastic-blasting processing, makes the surface form smooth seamless integral body.

Claims

1, a kind of totally-enclosed anti-theft vehicle lock is equipped with lock core (1), pellet shot from a slingshot, spring (5) in the lock body (9); Lock rod spring (19), guide finger (21) are arranged on the locking bar (13); Alignment pin (12) after locking bar (13) locking, bearing pin spring (10) and the bindiny mechanism that connects bicycle front fork or back vent is characterized in that:

A. between lock body (9) and lock core (1), be provided with the lock core cover (3) of special shape;

B. lock body (9) has the lock core trepanning that matches with lock core cover (3) shape;

C. have the dovetail groove of end sealing on the lock core cover (3), the aluminum seal sheet of swallow-tail form (6) inserts dovetail groove, and pellet shot from a slingshot, spring (5) are hidden in the lock core cover (3).

2, anti-theft vehicle lock as claimed in claim 1, it is characterized in that lock core cover cross sectional shape for "

" font (14) or " " font or "

" shape or "

" shape.

3, anti-theft vehicle lock as claimed in claim 1 is characterized in that described pellet shot from a slingshot has Round nose (2), anti-bullet (4), flat nose (7), the location bullet (8) dialled.

4, anti-theft vehicle lock as claimed in claim 1 is characterized in that described bindiny mechanism is made up of pressing plate (15), screw (16), metal mounting (17).