CN2557390Y

CN2557390Y - Bicycle wheel axle band brake lock

Info

Publication number: CN2557390Y
Application number: CN 02267857
Authority: CN
Inventors: 叶林森
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-22
Filing date: 2002-06-22
Publication date: 2003-06-25
Anticipated expiration: 2012-06-22

Abstract

The utility model relates to a bicycle lock which comprises a brake plate and a cover shell. The brake plate is arranged on a rear wheel axle assembly, the brake plate is connected with the cover shell through the wheel axel assembly, the inside of the cover shell is provided with a brake holding device, the inner wall of the brake plate is fixedly provided with an annular fixing ring on which convex teeth are evenly distributed, the cover shell is fixedly provided with a night lock, the outer end of the lock core of the night lock is connected with a poking claw, one end of a pair of shaking arms is articulated on the cover shell, the outsides of the shaking arms are provided with more than two wheel teeth, the two shaking arms are borne with springs which allow the other ends of the two shaking arms close to the poking claw. The utility model has compact structure, good theft preventing capacity, and good concealing capacity and is not easy to be discovered by robbers.

Description

The bicycle shaft Band-type brake lock

Technical field

The utility model relates to a kind of bicycle lock.

Background technology

Existing various bicycle locks on the market, locking front-wheel or trailing wheel being arranged, the front fork of locking front-wheel is also arranged, is independent of each other between these bicycle locks and the bicycle itself, be that bicycle lock needs can realize the locking to bicycle by being installed in separately on the bicycle.Its disguise of the bicycle lock of An Zhuaning is not good separately, be easy to be found, and destroyed, and the anti-destructive of more existing bicycle locks itself is not good by the robber, in addition, the more existing good bicycle lock of theftproof performances exists complex structure, cost height, inconvenient deficiency is installed.

Summary of the invention

The purpose of this utility model is to provide a kind of and is combined with the bicycle shaft band-type brake and the bicycle shaft Band-type brake lock that constitutes by lockout mechanism.

For achieving the above object, utility model adopts following scheme: the bicycle shaft Band-type brake lock, include brake disc and case, brake disc is contained on the hind axle assembly, be connected by the hind axle assembly between brake disc and case, be provided with band brake apparatus in the case, on the inwall of brake disc, be installed with an annular arrangement mounting ring, be evenly equipped with double wedge on the mounting ring, be installed with a spring lock on the case, the lock core outer end of spring lock is connected with a pusher dog, one end of a pair of swing arm is hinged on the case, and the outside of swing arm has the gear teeth more than two, and the gear teeth in this swing arm are corresponding with the spacing between the mounting ring upper raised teeth, born spring in two swing arms, spring makes the other end of two swing arms hold together to lean against on the pusher dog.

By such scheme as seen, two swing arms in this bicycle shaft Band-type brake lock are under the effect of the restoring force of the spring that it bore, and an end of its activity is resisted against on the pusher dog on the lock core all the time.Key being inserted in the lock core of spring lock the back rotates, drive lock core, pusher dog on the lock core is rotated, when the largest contours of pusher dog was supporting an end of a pair of swing arm, two swing arms were opened, and the gear teeth in the swing arm are stuck on the mounting ring in the cooresponding with it double wedge spacing, rotation by the restriction of the gear teeth in swing arm mounting ring, thereby limited the rotation of brake disc, with axle aggregate locking, promptly by lock with on the bicycle lock; Key drives the pusher dog on the lock core, and when the minimized profile of pusher dog was supporting two ends of a pair of swing arm, two swing arms were drawn in, and swing arm separates with mounting ring, and brake disc and axle aggregate are released, and promptly lock is opened.

The utility model constitutes the bicycle shaft Band-type brake lock by in the band-type brake of existing bicycle shaft lockout mechanism being set, and it has compact conformation, characteristics that theftproof performance is good, and good concealment, is difficult for being found by the robber.

Description of drawings

The structural representation of the case part of Fig. 1 the utility model one embodiment;

The birds-eye view of base among Fig. 2 Fig. 1;

The B-B cutaway view of Fig. 3 Fig. 2;

The A-A cutaway view of Fig. 4 Fig. 1;

Fig. 5 and Fig. 1 are the front view of the brake disc part of same embodiment;

The C-C cutaway view of Fig. 6 Fig. 5;

The assembly drawing of Fig. 7 Fig. 1, two parts shown in Figure 6.

The specific embodiment

Below in conjunction with embodiment and accompanying drawing the utility model is further specified.

Referring to Fig. 1, be provided with by fork 4, backguy 3 and brake facing 1 in the case 2 of this bicycle shaft Band-type brake lock and constitute band brake apparatus, case 2 and described band brake apparatus are existing structure.On case 2, be installed with a spring lock 13, lock core 14 outer ends of spring lock 13 are connected with a pusher dog 15, in case 2, be installed with a base 5, two swing arms 8 are hinged on the base 5 by bearing pin 18, base 5 is positioned at the below of swing arm 8, the outside of swing arm 8 has three gear teeth 9, and the support pads 6 that is positioned at swing arm 8 tops is contained on two bearing pins 18.Have on the base 5 and two swing arms, 8 cooresponding two arc grooves 20, respectively be provided with two projections 10,16 in two swing arms 8 towards base, the a pair of spring 17 that bears in two swing arms 8 places respectively in two grooves 20, and each with two swing arms 8 on a projection 16 against, another spring 7 that bears in two swing arms 8 places on the base 5, and clamps another projection 10 of two swing arms 8.Spring 17,7 holds together all the time by on the pusher dog 15 other end (being the movable end of swing arm) of two swing arms 8.Have circular arc groove 11 near its movable end place in the swing arm 8, this circular arc groove 11 is the center of circle with bearing pin 18.The pin 12 that is fixed on the base 5 passes groove 11, and a back plate 19 that is positioned at two swing arms, 8 tops is contained on the pin 12.Two swing arms 8 shown in Figure 1 are open configuration, and under this state, the largest contours of pusher dog 15 is supporting a pair of swing arm 8.Rotational lock core 14, with pusher dog 15 half-twists, two swing arms 8 hold together to lean against on the minimized profile of pusher dog 13 under the effect of spring 17,7.

Referring to Fig. 2, Fig. 3, base 5 is the shape of a hoof, have two arc grooves 20 on the base 5, also be provided with sagging plane 21 on the base 5, the spring 7 of long and two-short dash line signal (being the spring 7 of dotted line signal among Fig. 1) is seated on this plane 21 of sinking and is stuck between the part of projection on the base 5.

Be installed on the case 2 referring to Fig. 4, spring lock 13.Base 5 is fixed on the case 2 by bearing pin 18.Swing arm 8 is hinged on the bearing pin 18, is contained in the top that support pads 6 on the bearing pin 18 is positioned at swing arm 8.In the projection 10 that is positioned at spring 7 and swing arm 8 belows on the base 5 is stretched in groove 20 on the base 5 against, another projection 16 in the swing arm 8.

Referring to Fig. 5, Fig. 6, be installed with an annular arrangement mounting ring 23 on the inwall of the brake disc 22 of this bicycle shaft Band-type brake lock, be evenly equipped with double wedge 26 on the mounting ring 23, the double wedge 26 on the mounting ring 23 is positioned at it on the end face of brake disc 22.Brake disc 22 is an existing structure, and mounting ring 23 is fixed on the brake disc 22 by bonding or welding manner.

Referring to Fig. 7, brake disc 22 is contained on the axle aggregate 24, and 2 of brake disc 22 and cases are connected by axle aggregate 24 and nut 25.Above-mentioned mounting means also is an existing structure.Swing arm 8 is opened the gear teeth 9 of back on it and is stuck in 26 of double wedges on the mounting ring 23, with brake disc 22 lockings.As seen from Figure 7, this rear wheel lock even unclamp nut 25, also can't make swing arm 8 separate vertically with mounting ring 23 after on the bicycle lock.Thereby after having avoided the robber to unclamp nut 25, swing arm 8 is separated with mounting ring 23,, improved the theftproof performance of this Band-type brake lock the possibility that bicycle is stolen.

In addition, also illustrated the corresponding relation of 26 of double wedges on the mounting ring 23 on the gear teeth 9 in the swing arm 8 and the brake disc 22 among Fig. 1, the long and two-short dash line signal is brake disc 22, mounting ring 23 and double wedge 26 among this figure, as seen from Figure 1, after swing arm 8 was opened, the gear teeth 9 were stuck in 26 of double wedges.

As seen from Figure 1, the setting of the spring 7,17 that swing arm 8 is born has guaranteed that this Band-type brake lock opens, and after two swing arms 8 separated with mounting ring 23, two swing arms 8 held together to lean against on the pusher dog 15 all the time.Like this, when riding condition, avoided swing arm 8 being opened with mounting ring 23 engaging because of reason such as jolting, and the phenomenon that causes bicycle to be lockable suddenly.

In conjunction with Fig. 1, Fig. 4 and Fig. 7 as seen, key is inserted in the spring lock 13, key drives lock core 14, the pusher dog 15 that is attached thereto is rotated, when the largest contours of pusher dog 15 is supporting two ends of a pair of swing arm 8, two swing arms 8 are opened, the gear teeth 9 in the swing arm 8 are stuck in the spacing of cooresponding with it double wedge 26 on the mounting ring 23, have limited the rotation of mounting ring 23, thereby have limited the rotation of brake disc 22, make axle aggregate 24 locking, promptly by lock with on the bicycle lock; Key drives the pusher dog 15 on the lock core 14, and when the minimized profile of pusher dog 15 was supporting two ends of a pair of swing arm 8, two swing arms 8 were drawn in, and swing arm 8 separates with mounting ring 23, and brake disc 22 is released, and promptly lock is opened.

Claims

1, the bicycle shaft Band-type brake lock, include brake disc (22) and case (2), brake disc (22) is contained on the axle aggregate (24), be connected by axle aggregate (24) between brake disc (22) and case (2), case is provided with band brake apparatus in (2), it is characterized in that: on the inwall of brake disc (22), be installed with an annular arrangement mounting ring (23), be evenly equipped with double wedge (26) on the mounting ring (23), be installed with a spring lock (13) on the case (2), lock core (14) outer end of spring lock (13) is connected with a pusher dog (15), one end of a pair of swing arm (8) is hinged on the case (2), the outside of swing arm (8) has the gear teeth (9) more than two, two swing arms have been born spring on (8), and spring makes the other end of two swing arms (8) hold together to lean against on the pusher dog (15).

2, bicycle shaft Band-type brake lock according to claim 1 is characterized in that: the double wedge (26) on the mounting ring (23) is positioned at it on the end face of brake disc (22).

3, bicycle shaft Band-type brake lock according to claim 1, it is characterized in that: in case (2), be installed with a base (5), two swing arms (8) are hinged on the base (5) by bearing pin (18), have on the base (5) and cooresponding two arc grooves of two swing arms (8) (20), base (5) is provided with sagging plane (21), respectively be provided with two projections (10 in two swing arms (8) towards base (5), 16), the a pair of spring (17) that bears in two swing arms (8) places respectively in two arc grooves (20), and each with two swing arms (8) on a projection (16) against, another spring (7) that bears in two swing arms (8) is landed on the sagging plane (21) of base (5), and clamp another projections (10) of two swing arms (8).