CN2265938Y

CN2265938Y - Shaft center lock for bicycle

Info

Publication number: CN2265938Y
Application number: CN 96233958
Authority: CN
Inventors: 罗孝树
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-10-24
Filing date: 1996-10-24
Publication date: 1997-10-29
Anticipated expiration: 2006-10-24

Abstract

The utility model is characterized in that a hooked rod 13 and a hooked rod return spring 15 are arranged at one end in a circular axle core lock body 10, wherein, the other end of which is provided with a lock core which is provided with a sheet-shaped hook bolt 19 controlled by a hook bolt spring 18; a fixed gear ring 8 formed with polygon inner holes is arranged out of the axle core lock body 10; an axle pin 9 penetrates through pins to be connected with the fixed gear ring 8, the axle core lock body 10 and the hooked rod 13; a movable floral disc gear ring 7 is arranged at the other end out of the axle core lock body 10; axle sleeve cylinders 17 are sheathed out of the fixed gear ring 8 and the movable floral disc gear ring 7. The lock and an axle are combined into a whole to have double functions. An axle core lock is positioned at a hidden place to have the functions of theft and prizing prevention. The utility model has the advantages of integral beautiful appearance, convenient cleaning and wiping, etc.

Description

The bicycle Shaft center lock

The utility model is the lock that is used on the bicycle, particularly a kind of bicycle Shaft center lock.

Bicycle is the vehicle that people ride instead of walk.Bicycle has adopted various ways such as " 0 " type lock, chain lock, steel wire fork lock to lock bicycle when not using at present, but ubiquity, and outside lockset is exposed to, also colludes weak points such as the clothing of hanging the people or object easily." a kind of multipurpose bicycle lock " also exists above-mentioned deficiency in the patent disclosure of number of patent application 94206316.3.

The purpose of this utility model is to overcome the prior art above shortcomings, and provides a kind of concealed, the anti-bicycle Shaft center lock of prizing and stealing.

Above-mentioned purpose of the present utility model is to realize by such structure, include flywheel, pellet shot from a slingshot, axle bumper, lock core marble, lock core spring, an end has the shank and the shank pull back spring of garden shape in the Shaft center lock body of its garden shape, the other end is the lock core spring, lock core marble, and be mounted with and be subjected to the spring controlled sheet hook of hook tongue tongue; The external installation of Shaft center lock is the fixed gear ring of polygon endoporus, and pivot pin is worn pin and is connected and fixed gear ring, and Shaft center lock body and shank, the other end are equipped with movable floral disc gear ring; Fixed gear ring and movable floral disc gear ring are with shaft sleeve.The utility model utilizes the bicycle beaming roller as lock body, its using method advances shank left earlier, overcomes shank pull back spring elastic force, hook-shaped shank is hooked be subjected to hook tongue spring force to control the hook tongue of sheet, because pivot pin is worn pin and has been connected fixed gear ring, Shaft center lock body and shank, shank is to left dislocation, also drive fixed gear ring simultaneously, with the engagement of movable floral disc gear ring, force movable floral disc gear ring not rotate, make the walking that whole bicycle can not be freely; Otherwise, under the key effect, make lock core deflection certain angle drive sheet hook tongue, and the hook-shaped position of disengaging shank, under the effect of shank pull back spring, displacement to the right, throw off at the position of movable floral disc gear ring and fixed gear ring engagement simultaneously, movable floral disc gear ring can be rotated again under external force, recovered the function of bicycle walking.

The utility model compared with prior art, lock and beaming roller unite two into one, and have dual-use function, Shaft center lock is in hides the position, is difficult for stolen sled, make whole self-propelled car elegant in appearance be convenient to clean wiping.

The utility model said structure can further specify by accompanying drawing.

Fig. 1 is a structure cross-sectional schematic of the present utility model;

Fig. 2 is an A-A section-drawing of the present utility model;

Fig. 3 is a B-B section-drawing of the present utility model.

Among the figure: the movable floral disc gear ring of the dustproof pellet shot from a slingshot quill 2-fixing spring cover for seat tube 3-spring 4-nut 5-lock core spring 6-lock core marble 7-of 1-8-fixed gear ring 9-pivot pin 10-Shaft center lock body 11-flywheel 12-nut 13-shank 14-axle shelves 15-shank pull back spring 16-pellet shot from a slingshot 17-shaft sleeve 18-hook tongue spring 19-hook tongue

As shown in Figure 1, an end has the shank 13 and the shank pull back spring 15 of buckle shape in the Shaft center lock body 10, and the other end has lock core spring 5, lock core marble 6, the hook tongue 19 that acted on by hook tongue spring 18; Outside its Shaft center lock body 10 fixed gear ring 8 is housed, flywheel 11, pellet shot from a slingshot 16, axle shelves 14 and nut 12, pivot pin 9 is worn pin and is connected and fixed gear ring 8, Shaft center lock body 10 and shank 13, the Shaft center lock body 10 outer other ends have movable floral disc gear ring 7, pellet shot from a slingshot 16, axle shelves 14 and nut 4; Outside fixed gear ring 8 and movable floral disc gear ring 7, be with shaft sleeve 17.

In order to prevent that sealing and dust enter lock core, have fixing spring cover for seat tube 2 to be connected with spring 3 and dustproof pellet shot from a slingshot quill 1 outside lock core one end.

Fig. 2 is the A-A section, and shaft sleeve 17 is with movable floral disc gear ring 7, Shaft center lock body 10, and the centre is a shank 13.

Fig. 3 is the B-B section, is polygonal fixed gear ring 8, Shaft center lock body 10 in shaft sleeve 17 covers are porose, and the centre is a shank 13.

Claims

1. bicycle Shaft center lock, include flywheel (11), pellet shot from a slingshot (16), axle shelves (14), lock core marble (6) lock core spring (5), it is characterized in that an end in the Shaft center lock body (10) of garden shape has the shank (13) and the shank pull back spring (15) of garden shape, the other end is lock core marble (6), lock core spring (5), and is equipped with the sheet hook tongue (19) that is subjected to hook tongue spring (18) control; For being the fixed gear ring (8) of polygon endoporus, pivot pin (9) is worn pin and is connected and fixed gear ring (8) outside Shaft center lock body (10), and Shaft center lock body (10) and shank (13), the outer other end of Shaft center lock body (10) are equipped with movable floral disc gear ring (7); The outer shaft sleeve (17) that is with of fixed gear ring (8) and movable floral disc gear ring (7).

2. bicycle Shaft center lock according to claim 1 is characterized in that lock core spring (5) and lock core marble (6) outer end have fixing spring cover for seat tube (2) to be connected with spring (3) and dustproof pellet shot from a slingshot quill 1.