CN2563090Y

CN2563090Y - Bicycle braker

Info

Publication number: CN2563090Y
Application number: CN 02242771
Authority: CN
Inventors: 黄重儒
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-06
Filing date: 2002-08-06
Publication date: 2003-07-30
Anticipated expiration: 2012-08-06

Abstract

The utility model relates to a bicycle braker which prevents a bidirectional brake from being rusted. The utility model comprises a body, a brake arm, a brake group and a brake casing, wherein, one side of a brake disk is provided with a slot seat, the center of the slot seat is provided with a perforation, which is arranged matching with a hub of the bicycle, two sides inside the slot seat are provided with a fixing hole and a pivot hole; one side of a support bar frame is provided with a perforation, a lower side of the support bar frame is provided with a perforation which is locked with a screw with stringing hole inside; a lower side of the brake arm is provided with a perforation which is locked with a screw with stringing hole inside, and the other side of the brake arm is provided with a installation hole; the brake group consists of a brake body, a linkage bar and a spring, the brake disk is provided with a drainage hole, perforations of the brake casing is covered with waterproof sleeves. The utility model is applicable to bicycles.

Description

Bicycle brake

Technical field

The utility model relates to bicycle, refers in particular to a kind of bicycle brake device.

Background technology

Existing bicycle brake as shown in Figure 1, 2; Its brake plate rail 10 1 sides are established a dish seat 11, and former the moving of braking mutually with one group of brake band 12 two ends noose reaches driven brake arm 13, and cooperate a torque spring 14 to be consolidated in the dish seat 11, and brake band 12 edge faces one side is established a brake rubber block 15; Establish a screw 21 in the middle of the brake shell 20, establish an annular groove 22 in a side, brake shell 20 circumferential surfaces are provided with two perforation.During combination, be locked in flower-drum A, screw lock knot with screw 21.Glancing impact, brake arm 13 are driven by brake cable B, and brake band 12 drives brake rubber block 15, are butted on brake shell 20 outer rims.This structural disadvantages is: (one) brake arm 13 unidirectional drive brake rubber blocks 15, and a unidirectional action power brake during upward slope, because of bicycle does not have the rear brake function, is easily glided; (2) no water-proof function, plate rail 10, brake shell 20 easily get rusty, and the braking effort reduces service life; (3) in addition, this structure is also simple and easy inadequately when assembling.

Summary of the invention

The purpose of this utility model provides a kind of bidirectional brake, is difficult for getting rusty easily assembled bicycle brake.

The purpose of this utility model is achieved in that bicycle brake, and it comprises: a body, a brake arm, a braking group and a brake shell, and body is in the fixed bracing member in the brake disc outside; It is characterized in that: brake disc one side is established a groove seat, establishes a perforation in the middle of the groove seat, and perforation is equipped with bicycle drive shaft, and two sides provide a fixed orifice and a pivoted hole in the groove seat; Bracing member one side is established a perforation, and downside is established a perforation, and establishes a screw rod with line hole in this perforation internal lock; The brake arm downside is provided with a perforation, and establishes a screw rod with line hole in this perforation internal lock, and brake arm side in addition is provided with a mounting hole; The braking group is made up of a stopper body, a trace and spring, the braking group is established an articulated section portion and riveting with two symmetrical brake plates in a side and is established a body of rod and articulate and form, establish one in the body of rod and fix body, the fixed orifice that fixes in body and the groove seat is equipped with, the outer margin arc-surface side of brake plate is established the brake facing of a coating brake rubber block, its trace is for being the T word shape body of rod, its top establishes one against body, extend one again downwards and drive piece, trace is established one and is fixed body, its end is provided with thread segment, and its spring two side ends is established a grab angle; Brake is established a screw in the middle of the shell and is equipped with bicycle drive shaft inside thread section, and other establishes an annular groove at shell one side of braking, and is provided with two perforation in a side circumferential surface.

Above-mentioned design, the setting of brake facing is pind down the brake shell on the flower-drum, makes the forward and backward row of wheel restricted comprehensively, bidirectional brake; Because the setting of waterproof jacket needn't worry that rainwater infiltrates, and simple and convenient is also compared in assembling.

Description of drawings

Fig. 1 is existing bicycle brake three-dimensional exploded view;

Fig. 2 is existing bicycle brake action scheme drawing;

Fig. 3 is a three-dimensional exploded view of the present utility model;

Fig. 4 is a combination scheme drawing of the present utility model;

Fig. 5 is an action scheme drawing of the present utility model.

The specific embodiment

As shown in Figure 3: the utility model comprises: a body 30, a brake arm 40, a braking group 60 and a brake shell 70, and body 30 is in the fixed bracing member 32 in a brake disc 31 outsides; It is characterized in that: brake disc 31 1 sides are established a groove seat 311, establish a perforation 312 in the middle of the groove seat 311, and perforation 312 is equipped with bicycle drive shaft A, and two sides provide a fixed orifice 313 and a pivoted hole 314 in groove seat 311; Bracing member 32 1 sides are established a perforation 323, and downside is established a perforation, and establish a screw rod 324 with line hole in this perforation internal lock; Brake arm 40 downsides are provided with a perforation, and establish a screw rod 41 with line hole in this perforation internal lock, and brake arm 40 sides in addition is provided with a mounting hole 42; Braking group 60 is by a stopper body 61, one trace 62 and spring 63 are formed, braking group 60 is established an articulated section 612 and riveting with two symmetrical brake plates 611 in a side and is established a body of rod 613 and articulate and form, establish one in the body of rod 613 and fix body 614, the fixed orifice 313 that fixes in body 614 and the groove seat 311 is equipped with, the outer margin arc-surface side of brake plate 611 is established the brake facing 617 of a coating brake rubber block, its trace 62 is for being the T word shape body of rod, its top establishes one against body 621, extend one again downwards and drive piece 622, trace 62 is established one and is fixed body 623, its end is provided with thread segment, and its spring two side ends is established a grab angle 632; Establish a screw 71 in the middle of the brake shell 70 and be equipped with bicycle drive shaft A inside thread section, other establishes an annular groove 72 at shell 70 1 sides of braking, and is provided with two perforation in a side circumferential surface.Wherein, brake disc 31 circumferential surface bottom sides are provided with a drain gutter 315, and wherein, each sheathed one rubber waterproof jacket 73 that shrinkage pool arranged is gone up in the perforation of brake shell 70.Spring 63 1 sides of brake body 60 are provided with an elastic space 631.

As shown in Figure 4: during the utility model combination, earlier the trace 62 of stopper group 60 is resisted against two reinforcing chips, 615 outsides of brake body 61 against body 621, and clamp the drive piece 622 of trace simultaneously, the spring that the grab angle 632 of spring 63 is nested with stopper body 61 with Hou 616 internal fixation of boring a hole make group be set as a stopper group, the stopper group 60 that finish combination this moment is again inserted brake disc 311, and make trace 62 run through the pivoted holes 314 in the groove seat 311 and go out, the fixed orifice 313 of the body of rod 613 of its articulated section 612 and going out simultaneously, and the fixing body 614 that makes the body of rod 613 is limited in the fixed orifice 313 in the groove seat 311, again the body of rod 613 Passscheibens and nut are locked in body 30, then be about to fixing body 623 engagings that brake arm 4042 penetrates trace 62, Passscheiben and nut are locked on the trace 62 brake arm 40 simultaneously, all members were promptly locked and were tied in body 30 this moment, shell 70 locks that then will brake are tied the inside thread section in bicycle drive shaft A, and the brake disc 31 of body 30 worn into flower-drum A, the outside of flower-drum A is then run through brake disc 3 and is gone out at this moment, give nut lock knot again, the shell 70 that brakes this moment is about to stopper group 60 integral coating in annular groove 72, can finish assembling.

Being illustrated in figure 5 as the stop of stopping of the utility model brake does, when pushing the bicycle brake handle and do the stop of stopping and do, brake cable B is subjected to tension to drive brake arm 40 forward to draw to move and support to arrive in spring C, and be locked on the trace 62, turn is the trace 62 of T word shape so take advantage of a situation simultaneously, and two outsides pushing and pressing stopper sheet 611 when making it drive piece 622 with trace 62 turns, this moment, spring 63 also was subjected to open thereupon, and make its brake facing 617 be locked on annular groove 72 inner edge surfaces that flower-drum A goes up brake to pulling, making flower-drum A finish is held up, before making wheel, the back is restricted comprehensively to action, before reaching tool, the back is to the two-way only effect of stopping, and then make and drive and more to feel at ease to drive, and it is unexpected in uphill way, bicycle has to stop and ends incessantly and the danger situation that glides generation, and when unclasping brake crank, brake cable B working tension is removed, and be subjected to spring 63 return force function traces 62 and drive the fast correcting of piece 622 news to reply, simultaneously the return of motion block 622 going along with is taken advantage of a situation and is replied clamping trace brake arm 40 and replied by its spring C power of returning to keep original position, the brake facing 617 of stopper sheet 611 also breaks away from the annular groove 72 of keeping out brake shell 70 at this moment, make flower-drum A remove stopper, make wheel be able to freely advance, retreat and all must continue to control flexibly, and then make the rider more feel at ease to drive, and unexpected braking effect is not good and have to stop in the uphill way bicycle and end bad and take place toward the danger situation that glides, and reaches and has more safety.

Structure by above-mentioned specific embodiment, can get following benefit (two) bicycle when the stop of stopping is done, brake cable B drives brake, and stopper sheet 611 is supported in drive piece 622 two thrusters outward that drive trace 62 simultaneously, brake facing 617 left, right two outsides support to arrive in annular groove 72 inner edge surfaces of brake shell 70, before flower-drum A makes fully, the back is restricted comprehensively to action, before reaching a tool, the two-way only comprehensive only function of stopping of effect of stopping in back, so as user during in uphill way, the danger situation that it is unexpected that bicycle only incessantly glide because of stopping takes place, and before its tool, the back is to the two-way function of stopping and ending, and as user during in different highway section, reaches brake steadily really, safety is better; (2) the brake perforation that is provided with of shell 70 and the rubber waterproof jacket 73 that is with shrinkage pool, can be by the shrinkage pool of this waterproof jacket 73, with instrument shell 70 locks are tied on the flower-drum A of bicycle, and when rainy day, the unexpected rainwater of the design of this waterproof jacket 73 is directly infiltrated in the brake by perforation, reaches another heavy protection of brake; (3) this bicycle brake is when assembling, only stopper group 60 must be put in the groove seat 311 of body 30, again brake arm 40 is given packing ring and reach on a fixing body 623 of trace 62, with annular groove 72 interior the getting final product of the whole bag brake of stopper group shell 70, reach easily assembled again; (4) the brake circumferential surface that removes this brake shell 70 is provided with one water proof ring does not have the shell 70 of brake and splashes aquatic rust, make outside the anxiety worry of brake effort, and groove seat 311 bottom sides of its hull 31 are provided with drain gutter when rainwater infiltrates brake, then nationality is discharged by drain gutter 315, can not cause brake to get rusty by ponding.

Claims

1, bicycle brake, it comprises: a body, a brake arm, a braking group and a brake shell, body is in the fixed bracing member in the brake disc outside; It is characterized in that: brake disc one side is established a groove seat, establishes a perforation in the middle of the groove seat, and perforation is equipped with bicycle drive shaft, and two sides provide a fixed orifice and a pivoted hole in the groove seat; Bracing member one side is established a perforation, and downside is established a perforation, and establishes a screw rod with line hole in this perforation internal lock; The brake arm downside is provided with a perforation, and establishes a screw rod with line hole in this perforation internal lock, and brake arm side in addition is provided with a mounting hole; The braking group is made up of a stopper body, a trace and spring, the braking group is established an articulated section and riveting with two symmetrical brake plates in a side and is established a body of rod and articulate and form, establish one in the body of rod and fix body, the fixed orifice that fixes in body and the groove seat is equipped with, and the outer margin arc-surface side of brake plate is established the brake facing of a coating brake rubber block, its trace is for being the T word shape body of rod, its top establishes one against body, extends one again downwards and drives piece, and trace is established one and fixed body, its end is provided with thread segment, and its spring two side ends is established a grab angle; Brake is established a screw in the middle of the shell and is equipped with bicycle drive shaft inside thread section, and other establishes an annular groove at shell one side of braking, and is provided with two perforation in a side circumferential surface.

2, bicycle brake as claimed in claim 1 is characterized in that: wherein, brake disc circumferential surface bottom side is provided with a drain gutter.

3, bicycle brake as claimed in claim 1 is characterized in that: wherein, each sheathed one rubber waterproof jacket that shrinkage pool arranged is gone up in brake shell perforation.