CN2349103Y

CN2349103Y - Built-in inter-locking theft-proof device for bicycle

Info

Publication number: CN2349103Y
Application number: CN98240380U
Authority: CN
Inventors: 颜思信
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-03
Filing date: 1998-09-03
Publication date: 1999-11-17
Anticipated expiration: 2008-09-03

Abstract

The utility model relates to a built-in interlocking and theftproof device which is arranged in a sloped pipe and a stand pipe of a front fork of a bicycle. A locking plate in a lock case is respectively connected with a lock rod of a center shaft and a lock rod of a front fork through guide rods, and the other end of the lock rod of the center shaft is welded with a tooth fender of the center shaft; when the utility model is locked, the tooth fender of the center shaft is inserted in a fluted disc of the center shaft, and a steel marble in a locking block of the front fork springs into a hole of a sleeve barrel of the lock rod of the front fork so as to interlock the front fork and the center shaft; when the utility model is combined with a rear wheel with a reversing braking device, the front fork, the centre shaft and the rear wheel can be locked into a whole. The interlocking and theftproof device has the advantages of simple and compact structure, strong shock resistance, flexible action, accurate in place, reliable theftproof performance, easy manufacturing and simple assembly technology.

Description

The stealthy interlocking of bicycle anti-joyride device

The utility model relates to a kind of Vehicle lock, specifically a kind of stealth interlocking anti-joyride device of being located in the car pipe.

At present, bicycle lock is various in style, mostly is lock trailing wheel or front-wheel, and the many locks of a car are also customary, still can't stop but bicycle is stolen, and it is perplexing the pursuit of people to " new, strange, beautiful, spy " bicycle.For this reason, China's patent discloses many bicycle theft-prevention technology successively, as: CN220032P " anti-theft bicycle lock ", it is located at the lock part in the car pipe, its concealment, globality and anti-theft all are better than conventional lock, but it also exists following deficiency: (1) locking axis is to realize that by the keyhole of locking bar insertion axis axle sleeve locking bar is stressed, and anti-impact force is relatively poor; (2) the long-term pressurized of lock rod spring is flexible yielding, loses its reset response; (3) the front and back locking bar of lock body drive is non-parallel moves, and the locking hour locking lever is difficult for accurately putting in place; (4) integral structure is compact inadequately, cooperation is not tight.Another patent CN2244510Y " anti-theft bicycle " exists the stressed defective of locking axis hour locking lever too, and it also exists the deficiency that a car is locked more, lockset is loaded down with trivial details.

The purpose of this utility model be to provide a kind of simple in structure, cooperate closely, theftproof performance is reliable, anti-impact force is strong stealth interlocking anti-joyride device.

For achieving the above object, the technical scheme that the utility model is taked is: the stealthy interlocking of this bicycle anti-joyride device is arranged in bicycle tripod inclined tube and the standpipe of front fork, have the tapered end eyelet on the inclined tube, lock box is positioned at inclined tube, be provided with square profile of tooth locking plate in the lock box, thumb wheel, driving lever and locking plate draw bar, thumb wheel is positioned at the middle part of square profile of tooth locking plate, thumb wheel is provided with driving lever, driving lever is stirred square profile of tooth locking plate moving linearly with the rotation of thumb wheel, lock box is stretched out at the two ends of locking plate, by draw bar respectively with the axis locking bar, the front fork locking bar links, it is characterized in that the axis locking bar is welded with base as cylinder, the termination is the wedge shape axis tooth retaining of yi word pattern, and its yi word pattern termination locks together with the gear piece gap that is welded on the axis fluted disc on the bicycle middle shaft; The inclined tube internal fixation adjacent with the front fork sleeve pipe has the Front fork lock rod sleeve, and the oblique cambered surface that matches with the standpipe of front fork outer wall all is processed in the termination of front fork locking bar and locking bar sleeve; The front fork lock dog is arranged in the standpipe of front fork, it by with the corresponding cylinder matrix of standpipe of front fork internal diameter, round end awl cylindrical steel pellet shot from a slingshot, pad, spring and lead sealing are formed, be drilled with a taper eyelet in cylinder matrix axis side, this taper eyelet is consistent with the inclined tube axis direction, steel marble, pad, spring is packed into successively and is sealed with lead sealing behind the taper eyelet of cylinder matrix, cylinder matrix sidewall is processed with the detent of two symmetries along its diametric(al), on standpipe of front fork, press the front fork deflection angle, and inclined tube axial location place is drilled with and the corresponding eyelet of front fork lock dog steel marble external diameter relatively, eye that standpipe of front fork is holed, the central aperture of the interior Front fork lock rod sleeve of the taper eyelet of lock dog and inclined tube all is on the same axis when locking in the standpipe of front fork, promptly all is on the inclined tube axis.

During locking bicycle, key is inserted lockhole, trackwheel, driving lever on the thumb wheel is stirred locking plate square tooth, locking plate drive axis locking bar, axis tooth retaining is moved, meanwhile to the axis fluted disc, the front fork locking bar moves after relatively, bicycle handle bar is deflected to the demarcation angle, make the steel marble of front fork lock dog pass the eyelet insertion Front fork lock rod sleeve of standpipe of front fork, front fork sleeve pipe, thereby realize the interlocking of axis, front fork.When unblanking, with the key backward rotation, axis tooth retaining breaks away from the axis fluted disc, the front fork locking bar is released the locking bar sleeve with steel marble, when unlatching put in place, the oblique cambered surface of front fork locking bar and sleeve termination thereof just contacted with standpipe of front fork is smooth, did not influence the random rotation of handlebar in travelling, driving lever on the thumb wheel just in time snaps in the square tooth of locking plate, can prevent that axis tooth retaining from gliding because of deadweight.

The stealthy interlocking of the bicycle that the utility model provides anti-joyride device, wherein the axis tooth of the cylinder base body of shaft lock certain portions employing, yi word pattern termination keeps off, the external diameter of cylinder base body is corresponding with the inclined tube internal diameter, under inclined tube tube wall pad, shield, make yi word pattern tooth retaining under external impacts, be difficult for the displacement distortion; The cylinder base is in inclined tube internal cause deadweight and glide, and makes axis tooth retaining and axis fluted disc identical naturally, plays firm locking action, is prized when malfunctioning when lockset, and car load still is in the lock state, and still can play antitheft effect; The steel marble of front fork lock dog inserts in the locking bar sleeve under lock-out state, forms extremely handle with its close fit; Used lockset flexible movements, put in place accurately.So this stealth interlocking anti-joyride device anti-impact force is strong, theftproof performance is reliable, simple and compact for structure, simultaneously, also has disguised strong, interlocking part and be easy to characteristics such as processing, packaging technology is easy.

Fig. 1 is the structural representation of stealthy interlocking anti-joyride device;

Fig. 2 is the A-A cutaway view of Fig. 1 lockset part;

Fig. 3 is the 6-6 cutaway view of front fork lock dog among Fig. 1;

Fig. 4 is the birds-eye view of axis fluted disc;

Fig. 5 is the lateral plan of axis tooth retaining;

Fig. 6 is the front elevation of axis tooth retaining;

Fig. 7, Fig. 8, Fig. 9 take turns its corresponding lock dog scheme drawing for the axis lattice;

Figure 10, Figure 11, Figure 12 lack its corresponding lock dog scheme drawing for the axis eccentric wheel.

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing:

Among the figure, the 1-inclined tube; The 2-standpipe of front fork; 3-front fork sleeve pipe; The 4-lock box; 5-square profile of tooth locking plate; The 6-thumb wheel; The 7-driving lever; The 8-locking plate draws bar; The 9-axis; 10-axis locking bar; 11-axis tooth retaining; 12-axis fluted disc; 13-front fork locking bar; 14-Front fork lock rod sleeve; 15-front fork lock dog; 16-cylinder matrix; The 17-steel marble; The 18-pad; The 19-spring; The 20-lead sealing; The 21-detent; 22-lock core foot piece; The 23-tapered end.

In conjunction with the interlocking part in Fig. 1, Fig. 2 inclined tube: inclined tube 1 middle position does not have chain fluted disc one side and has the tapered end eyelet, thumb wheel 6 in the lock box 4 is positioned at the middle part of square profile of tooth locking plate 5, four driving levers 7 on the thumb wheel 6 should satisfy following relationship with the square tooth gear piece position of locking plate 5 relation: when first dead man is stirred gear piece and is about to withdraw from, second driving lever promptly enters between its adjacent gear piece, and this design is to glide for the deadweight that prevents axis tooth retaining 11 described below.Stretch out square profile of tooth locking plate 5 two ends of lock box 4, respectively by drawing bar 8 and

axis locking bar

10,13 welding of front fork locking bar, the other end welding base of axis locking bar 10 is as cylinder, the termination is the axis tooth retaining 11 of yi word pattern, after welding it is sent in the inclined tube 1, utilize the two-port of tapered end eyelet and inclined tube 1, adjust the position of lock box 4 with unit clamp, tapered end 23 with the flower-shaped lockhole of cross after putting in place inserts in the tapered end eyelet, lock core foot piece 22 enters in the mesopore of thumb wheel 6, with key turns thumb wheel 6, check lockset alerting ability, if equal can putting in place moved in the termination of axis tooth retaining 11 and front fork locking bar 13, illustrate that then lock box 4 has installed, with seccotine with lock box 4 cementations, and tapered end 23 cemented in the tapered end eyelet, then Front fork lock rod sleeve 14 is enclosed within on the front fork locking bar 13, the oblique cambered surface that matches with standpipe of front fork 2 outer walls has been processed at their position, termination, behind the location sleeve 14 is welded in the tube wall of inclined tube 1 front end, weld grinding is smooth smooth-going, and the interlocking part in the inclined tube 1 installs like this.

In conjunction with Fig. 1, front fork lock dog part in Fig. 3 standpipe of front fork: front fork lock dog 15 by with the corresponding cylinder matrix 16 of standpipe of front fork 2 internal diameters, round end awl cylindrical steel pellet shot from a slingshot 17, pad 18, spring 19 and lead sealing 20 are formed, the axis side of cylinder matrix 16 is drilled with a taper eyelet, the taper eyelet is consistent with the axis direction of inclined tube 1, with steel marble 17, pad 18, spring 19 is packed in the taper eyelet of cylinder matrix 16 successively, seal with lead sealing 20, earlier put a wooden unit and be used to support lock dog 15 in the bottom of standpipe of front fork 2, again lock dog 15 is put into standpipe of front fork 2, be stuck in unit clamp in the detent 21 of lock dog 15, adjust lock dog 15 eyelet positions, when steel marble 17 ejects standpipe of front fork 2 eyelets, and insert in the eyelet of Front fork lock rod sleeve 14, be the design attitude of front fork lock dog 15, with seccotine that front fork lock dog 15 is bonding with the tube wall of standpipe of front fork 2, front fork locking deflection angle is designed to 40 degree, standpipe of front fork 2 and front fork sleeve pipe 3 are marked with the deflection angle line of position, and deflecting direction and bicycle list support homonymy.

Reach the axis tooth retaining that matches with it in conjunction with Fig. 1, Fig. 4 to Fig. 6 axis fluted disc; Axis fluted disc 12 is the octadentate fluted disc, its diameter is slightly less than the bottom bracket axle bore, when axis fluted disc 12 welds with axis 9, take to clip between two parties one section axis isometric with fluted disc thickness, fluted disc is solded into along same axis, guarantee that ball retaining and crank cotter way keep original position, with the axis fluted disc 12 bicycle middle shaft place of packing into.

So far, can earlier 1 of the inclined tube that interlock system is housed be welded on the design attitude of spider, install all accessories on axis fluted disc 12 and the axis, carry out the car load debugging, if all reach designing requirement, then can be with inclined tube 1 solid welding, the axis wire cover is welded on the axis sleeve pipe, weld seam polishes, and promptly stealthy interlocking anti-joyride device all installs.

Here of particular note: this stealth interlocking anti-joyride device that the utility model provides is if be used in combination with the trailing wheel that is provided with the coaster brake device, then can finish front fork, axis, trailing wheel three positions and built-in lock be locked car load, promptly realize " trinity one locking " with one.Realize that axis and Front fork lock are regularly, employing has the trailing wheel of coaster brake device to be in braking state, the a pair of gear piece of axis fluted disc 12 must be relative with a pair of cotter way of axis 9, just the pedal crank is relative with a pair of gear piece of axis fluted disc 12, fall after crank omits, axis tooth retaining 11 promptly enters between the gear piece of axis fluted disc 12.

Fig. 7, Fig. 8, Fig. 9 are another embodiment of Central axis locking part, and promptly the axis lattice are taken turns the wedge shape lock dog that matches with it;

Figure 10, Figure 11, Figure 12 are the third embodiment of Central axis locking part, and promptly the axis eccentric wheel lacks the wedge shape lock dog that matches with it.

In view of the utility model is arranged in the spider inclined tube, to install for making things convenient for lockset, big caliber cant beam is adopted in suggestion.Except that bicycle, this stealth interlocking anti-joyride device also is applicable to electric motor car with two wheels and shipping three-wheel vehicle.

Claims

1, a kind of stealthy interlocking of bicycle anti-joyride device that is arranged in bicycle inclined tube (1) and the standpipe of front fork (2), inclined tube has the tapered end eyelet on (1), lock box (4) is positioned at inclined tube (1), be provided with square profile of tooth locking plate (5) in the lock box (4), thumb wheel (6), driving lever (7) and locking plate draw bar (8), thumb wheel (6) is positioned at the middle part of square profile of tooth locking plate (5), thumb wheel (6) is provided with driving lever (7), driving lever (7) is stirred square profile of tooth locking plate (5) moving linearly with the rotation of thumb wheel (6), lock box (4) is stretched out at the two ends of locking plate (5), by draw bar (8) respectively with axis locking bar (10), front fork locking bar (13) links, it is characterized in that axis locking bar (10) is welded with base as cylinder, the termination is the wedge shape axis tooth retaining (11) of yi word pattern, and its yi word pattern termination locks together with the gear piece gap that is welded on the axis fluted disc (12) on the bicycle middle shaft; Inclined tube (1) internal fixation adjacent with front fork sleeve pipe (3) has Front fork lock rod sleeve (14), and the oblique cambered surface that matches with standpipe of front fork (2) outer wall all is processed in the termination of front fork locking bar (13) and locking bar sleeve (14); Front fork lock dog (15) is arranged in the standpipe of front fork (2), it by with standpipe of front fork (2) the corresponding cylinder matrix of internal diameter (16), round end awl cylindrical steel pellet shot from a slingshot (17), pad (18), spring (19) and lead sealing (20) are formed, be drilled with a taper eyelet in cylinder matrix (16) axis side, this taper eyelet is consistent with the inclined tube axis direction, steel marble (17), pad (18), spring (19) is packed into successively and is sealed with lead sealing (20) behind the taper eyelet of cylinder matrix (16), and cylinder matrix (16) sidewall is processed with the detent (21) of two symmetries along its diametric(al); Upward be drilled with and the corresponding eyelet of front fork lock dog steel marble (17) external diameter at standpipe of front fork (2) by front fork deflection angle, also relative inclined tube axial location place, standpipe of front fork (2) hole eye, the taper eyelet of lock dog (15) and the central aperture of interior the Front fork lock rod sleeve of inclined tube (1) (14) all are on the same axis when locking in the standpipe of front fork (2), promptly all be on the inclined tube axis.

2, stealthy interlocking anti-joyride device according to claim 1, what it is characterized in that above-mentioned bicycle installation is the trailing wheel that is provided with the coaster brake device, a pair of gear piece of axis fluted disc (12) is relative with the crank cotter way of axis (24).

3, stealthy interlocking anti-joyride device according to claim 1 is characterized in that the wedge shape lock dog that above-mentioned axis fluted disc (12) and axis tooth retaining (11) also can be designed to axis lattice wheel and match with it.

4, stealthy interlocking anti-joyride device according to claim 1 is characterized in that above-mentioned axis fluted disc (12) and axis tooth retaining (11) also can be designed to the wedge shape lock dog that the axis eccentric wheel lacks and matches.