CN2043212U

CN2043212U - Synchronous braking device for two-wheel vehicle

Info

Publication number: CN2043212U
Application number: CN 88211917
Authority: CN
Inventors: 刘增华
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-06-17
Filing date: 1988-06-17
Publication date: 1989-08-23

Abstract

The utility model discloses a synchronous braking device for two-wheel vehicle (bicycle), belonging to a braking operating mechanism of the bicycle. The simultaneous braking device is additionally arranged at the midsection of a draw rod (comprising a hard draw rod and a cable wire) which is used to transmit the pulling force without changing the braking method of the existing two-wheel vehicle. The simultaneous braking device is directly arranged on the bicycle head or a fastening part managed by the vehicle frame, then the simultaneous braking device can be used. The utility model is characterized in that a linkage component is skillfully designed in the simultaneous braking device. The linkage component achieves the purpose of synchronically braking the front and back wheels, which can make the back wheel be braked before the front wheel after adjusted slightly.

Description

Synchronous braking device for two-wheel vehicle

The utility model relates to a kind of synchronous brake of two-wheel car, and it belongs to the bicycle brake actuating unit, is widely used in the brake actuating system of two-wheel car.

Disclosed a kind of bicycle front and rear brake clutch in 8720157U, though can reach the purpose of front and rear brake synchronous braking, braking was different when but braking was with turning when vehicle is kept straight on, its brake situation is not quite similar, if energy synchronous braking when keeping straight on, when turning, can only brake by trailing wheel, and front-wheel loses brake action so; Another defective of this clutch is only to be used for single lock braking, yet more than one hundred million bicycles of China nearly all are to adopt the front and back wheel brake actuating mechanism at present.

Disclosed a kind of brake and drive system for vehicle with tow in 85107536A, its shortcoming is the pincerlike brake system that this brake system can only be used for steel rope control, and compare with other several brake system with the pincerlike brake system of steel rope control, under the identical situation of the brake handle application of force, the lock torque minimum that pincerlike brake produces, and the lock torque of trailing wheel is significantly less than front-wheel, China has only 3.5% the pincerlike brake of bicycle employing, in addition, the complex structure of this brake system, make difficulty, cost is corresponding also high.

The purpose of this utility model is to overcome the shortcoming of above-mentioned two kinds of braking synchronizers, a kind of more simple synchronous brake is provided, the bicycle that this brake gear is housed in the process of moving, if when needing brake rapidly, no matter operate any one in left brake lever or the right brake lever, or simultaneously about operation during two brake lever, can both make the front and rear wheel synchronous brake, after adjusting slightly, can make trailing wheel slightly prior to preceding wheel brake.

In common two-wheeled brake system, no matter be hard draw bar or steel rope control mechanism, all be the braking mechanism that left and right sides brake handle is respectively controlled a wheel, general right hand control front-wheel, left hand control trailing wheel, when meeting extraordinary circumstances, the situation of braking as one hand also takes place often, as has only right hand brake, then front-wheel produces lock torque, because of the center of gravity of people and Che is in the back upper place of front-wheel and ground contact point,, make people and Che overturning by effect of inertia.

Technical solution of the present utility model is achieved in that under the prerequisite that does not change existing two-wheel car brake mode, only set up a synchronous brake in the pull bar stage casing (comprising hard draw bar and steel rope) of transmitting pulling force, but this synchronous brake is directly installed on the handlebar or the vehicle frame person in charge's fastening position, and portion adorns a STATEMENT OF FEDERALLY SPONSORED within it, the upper end of this STATEMENT OF FEDERALLY SPONSORED is respectively with two initiatively hard draw bar or initiatively steel rope connections of left and right sides brake handle bonded assembly, its lower end moving hard draw bar of respectively the same rear wheel brake mechanism bonded assembly two velamens or passive steel rope connect, like this, when no matter spurring any active hard draw bar or active steel rope, because the effect of STATEMENT OF FEDERALLY SPONSORED, thereby and affect passive steel rope to reach the synchronous brake of front and back wheel.

The utility model is compared with existing braking mechanism, has following advantage:

1. this device is applicable to the hard draw bar of more than one hundred million bicycles of China and the braking mechanism of steel rope control.

2. this device is stopped applicable to commonly stopping, rising, brake holding and pincer are stopped various mechanisms.

3. this device is used for one section hard draw bar in stage casing that one section soft drawn bar replaces former control rear wheel brake mechanism, it is the relation of flexibly connecting that the pressure twisting of the hard draw bar of the rotation of handle-bar and former control rear wheel brake mechanism is closed, strengthened the alerting ability that vehicle rotates, cancelled a hard draw bar fixed orifice on the spider, increased the intensity of spider, and reduce that one drilling operation and hard draw bar are fixing uses part, increased the attractive in appearance of vehicle simultaneously.

4. this apparatus structure is simple, and not change any structure of existing bicycle, its brake parts gets final product and change, very easily promotes the use of.

Following with reference to accompanying drawing, two embodiment of the present utility model are described in detail.

Fig. 1 is the bicycle partial schematic diagram that the synchronous brake of hard draw bar is housed.

Fig. 2 is the front view of embodiment 1 hard draw bar synchronous brake.

Fig. 3 is the birds-eye view of embodiment 1 hard draw bar synchronous brake.

Fig. 4 is the front view of embodiment 2 steel rope synchronous brakes.

Fig. 5 is the birds-eye view of embodiment 2 steel rope synchronous brakes.

Embodiment 1

With reference to Fig. 2, Fig. 3, hard draw bar synchronous brake is mainly by chute housing 3, slide plate 4, initiatively hard draw bar 1,2 and passive hard draw bar 7, steel rope 5 and pressing plate 16, screw 17, support 18 compositions such as grade, this installs through pressing plate 16, screw 17, support 18 are installed in vehicle frame and are responsible on 15.

The slide plate 4 that thick a 0.8～6mm of being is arranged in the inside of chute housing 3, this slide plate 4 can thick be up-and-down movement in the chute housing 3 of 0.8～6mm; Have three slotted holes and a circular hole on the slide plate 4, wherein go up slotted hole at same level attitude for two, and be parallel to each other and initiatively pull bar 1,2 connections together; A remaining following slotted hole is connected with passive hard draw bar 7 on the preceding wheel brake, and circular hole is connected with passive hard draw bar or passive steel rope 5 on the rear wheel brake, and its key is T ' position, top that the T position, top of circular hole must be lower than time slotted eye.

Hard draw bar 7 is identical with the hard draw bar fixed form of existing bicycle, steel rope 5 is fixed on the chute housing 3 by locating bush 6, through set screw 9, jam nut 10 is adjusted at a tightened position with steel rope 5, housing screw 11 is connected steel rope 5 with nut 12 with brake hard draw bar 19, retracing spring 14 and back-up ring 13 are in the down middle upper end position of slotted hole all the time with hard draw bar 7, geometrical clamp 8 in order to fixing flexible steel wire 20 on vehicle frame.

Operating process is such: when people just produce a pulling force with holding a tight left side or right brake handle, by the slide plate 4 in hard draw bar 1 or the 2 pulling chute housings 3, when slide plate 4 is subjected to pulling force and moves up, hard draw bar 7 and steel rope 5 are pulled respectively, because steel rope 5 is in tension all the time, and the chuck of hard draw bar 7 is in the middle upper end of the following slotted hole of slide plate 4, and therefore when slide plate 4 moves up, passive steel rope 5 just moves prior to passive hard draw bar 7 slightly.That is to say, when slide plate 4 moves up, steel rope 5 is pulled rapidly, trailing wheel begins brake, when slide plate 4 continued to move up again, passive hard draw bar 7 was pulled again, and front-wheel begins brake, certainly these two mobile processes are to carry out in the extremely of short duration time and continuously, have so just reached the purpose of preceding wheel brake behind the first rear wheel brake.

Embodiment 2

With reference to Fig. 4, Fig. 5, the steel rope synchronous brake is mainly by gusset piece 30, fork 41,

active steel rope

25,26 and passive

flexible steel wire

39,40, housing 27, compositions such as bearing pin 31 and bolt 42, nut 43, the housing screw of being responsible for by bicycle are installed in the steel rope synchronous brake the middle upper end of handlebar by the connecting bore on it 49.

A STATEMENT OF FEDERALLY SPONSORED is housed in the inside of housing 27, this STATEMENT OF FEDERALLY SPONSORED mainly is made up of gusset piece 30 and fork 41 bearing pins 31 etc., the external form of gusset piece 30 is triangular in shape, top is provided with two circular holes 28,29, the lower end is provided with circular hole 31 "; top circular hole 28,29 respectively with two initiatively steel ropes 21,23 be connected a circular hole 31 of lower end ", through bearing pin 31 with the point of connection on the fork 41 31 ' connection; The external form of fork 41 is the angle steel shape, its revolution basic point 42 ' and point of connection 31 ' on same plane, and perpendicular to the base of level attitude, the base has two circular holes, fork 41 passes revolution basic point 42 ' be installed on the housing 27 by bolt 42, and can swing, the

passive steel rope

36,38 in respectively the same rear wheel brake of two circular holes mechanism on base connects.

Locating

bush

45,46,47,48 is fixed on

flexible steel wire

25,26,39,40 on the housing 27, and cover of dust 44 covers housing 27, in case rainwater and dust are invaded.

The whole operation process is such: when people when holding a left side or right brake lever, steel rope 21 or 23 in the

flexible steel wire

25,26 is pulled, steel wire chuck 28 ' and 29 ' gusset piece 30 is upwards mentioned, because gusset piece 30 is through the point of connection 31 ' connection of bearing pin 31 with fork 41, fork 41 is just along revolution basic point 42 ' swing, because the swing of fork 41,

chuck

34,33 on the

passive steel rope

36,38 is raised, with braking mechanism action before and after

passive steel rope

36,38 bonded assemblys, front and back wheel is checked simultaneously.

Because the angle of fork 41 swings is identical, and trailing wheel wire clip head 34 is apart from the revolution basic point 42 of fork 41 ' far away than front-wheel steel wire chuck 33, therefore, the distance that the distance that rear wheel brake steel wire 36 moves moves greater than front-wheel brake steel wire 38 slightly, so rear wheel brake is slightly prior to preceding wheel brake, this design can prevent the drawback that in rear wheel brake vehicle fallen down a little earlier because of preceding wheel brake.

Claims

1, a kind of braking synchronizer of vehicle, it is made up of the brake system of two-wheel car, it is characterized in that:

A. but braking synchronizer is installed in the handlebar or the vehicle frame person in charge's fastening position;

B. a STATEMENT OF FEDERALLY SPONSORED is equipped with in the inside of described braking synchronizer, with two initiatively hard draw bar 1,2 or initiatively steel rope 21,23 connections of left and right sides brake lever bonded assembly, its lower end passive hard draw bar 7 of the same rear wheel brake mechanism's bonded assembly respectively is connected with passive steel rope 5,36,38 respectively in the upper end of this STATEMENT OF FEDERALLY SPONSORED; So no matter to spur any active hard draw bar 1,2 or active steel rope 21,23 o'clock, can both reach the synchronous brake of front and back wheel.

C. described STATEMENT OF FEDERALLY SPONSORED is made up of a gusset piece 30 and an institute such as fork 41, the profile of gusset piece 30 is triangular in shape, top is provided with two circular holes, the lower end is provided with a circular hole, two circular holes on top respectively with two initiatively steel ropes 21,23 be connected, a circular hole of lower end through bearing pin 11 with the point of connection on the fork 41 11 ' connection; The profile of fork 41 is the angle steel shape, its revolution basic point 42 ' and point of connection 11 ' on same plane, and perpendicular to the low limit of level attitude, the base has two circular holes, fork 41 passes revolution basic point 42 ' be installed on the housing 27 by bolt 42, and can swing, the passive steel rope 36,38 in respectively the same rear wheel brake of two circular holes mechanism on base connects.

2, according to the braking synchronizer of the described mistake of claim 1, it is characterized in that described STATEMENT OF FEDERALLY SPONSORED is the slide plate 4 of thick a 0.8～6mm of being, this slide plate 4 can thick be up-and-down movement in the chute housing 3 of 0.8～6mm; Have three slotted eyes and a circular hole on the slide plate 4, wherein go up slotted hole at same level attitude for two, and be parallel to each other, also connect with active hard draw bar 1,2; A remaining following slotted hole is connected with passive bar 7 on the preceding wheel brake, and circular hole is connected with passive hard draw bar or passive steel rope 5 on the rear wheel brake, and its key is T ' position, top that the T position, top of circular hole must be lower than time slotted hole.