CN200995759Y - Disk brake of bicycle - Google Patents

Abstract

A bicycle disc brake, comprising a body, a fixed arm extended from the body, a moving arm pivoting relative to the body, an opening on the body for holding a brake disc, a holding through hole perpendicular to the opening, a brake lining arranged respectively in the through hole on the two sides of the opening, a jacking mechanism of the brake lining held in the through hole on a side of the moving arm and an adjusting screw of the brake lining on another end of the body, is characterized in that an axial parallel rib is arranged on the side or another side of the opening on the body for holding the brake disc; the corresponding another side is provided with a surface; a corresponding connecting plate is an U-shaped and in a chelated state against the body; a groove matching the rib is arranged on the chelated surface on the body on which is provided with the rib.

Description

Bicycle dished brake

Technical field

The utility model relates to the parts of bicycle, specifically a kind of mechanical Bicycle dished brake.

Background technology

Bicycle and Electrical Bicycle are the traffic means of transport of China's owning amount maximum, and in order easily to control and to regulate the speed of advancing and promptly realizing stopping, one of the parts that are absolutely necessary brake.Past brake commonly used is with the brake backguy, the drag friction piece is pressed to the pull clamp structure of wheel rim, when the steel ring invar silk of bicycle is adjusted when unbalanced, two lateral surfaces can swing when rolling, and cause the applying of friction shoe and wheel rim intermittent, promptly produce and skid, braking effect is descended.The brake of this type of form is at present substituted by a kind of more failure-free disc brake just gradually, its version is to consist predominantly of a brake disc and the disc brake body that is fixedly connected on the vehicle frame that is fixed on the wheel, in the disc brake body, be provided with one can ccontaining brake disc opening, be equipped with bremsbelage respectively in two side through hole of this opening, wherein the bremsbelage of a side also is connected with a bremsbelage penetrating mechanism that is contained in the brake body through-holes, this penetrating mechanism is connecting one can scratch the movable arm of commentaries on classics with respect to body, when movable arm is scratched commentaries on classics by the backguy pulling, penetrating mechanism can be with the friction lining ejection to brake disc, to reach the purpose of deceleration.This disc brake, bremsbelage and brake disc are the state of being parallel to each other when installing, tight bremsbelage and the brake disc applying of fitting during brake is the most complete, friction drag maximum under same pressure, it is best to slow down, if not parallel then friction drag is just little, the deceleration effect reduces, and it is inhomogeneous that wearing and tearing take place bremsbelage, and period of service shortens, because brake disc is mounted on the wheel, the brake body is to be mounted on the front fork by connecting plate, and present brake body and the joint face of connecting plate are the plane and fit the back with bolt, bolt looseness after use a period of time, connecting plate will twist, and causes bremsbelage to be not parallel to each other mutually with brake disc from face.

The utility model content

The purpose of this utility model is to provide a kind of and can reduces because of the loosening Bicycle dished brake that takes place to reverse relatively of connecting plate tie bolt.

The concrete structure of realizing the technical solution of the utility model is such: it includes body, the fixed arm that extends to form on the body, the movable arm that pivots of body relatively, supply the ccontaining opening of brake disc on the body, the ccontaining through hole vertical with opening, the ccontaining bremsbelage of difference in opening two side through hole, ccontaining bremsbelage top-pressure mechanism in this end through hole of movable arm, the bremsbelage plus-minus screw of the body other end, the extended connection lug in body outer rim both sides, bremsbelage is adsorbed by magnetic, for the position of extracting is arranged when the dismounting bremsbelage, the dish type edge of bremsbelage is provided with the handle of evagination, shape is like table tennis bat, the corresponding trapeze cut that on the opening part through-hole wall of brake body, is provided with ccontaining this handle, purpose is can be along circumferentially screwing out when taking out bremsbelage, like this can be easier to overcoming magnetic attraction, in order to allow connecting plate and brake body that the fin that is provided with an axially parallel for the ccontaining open side of brake disc or opposite side can not take place when the bolt looseness obviously to reverse on the brake body yet, corresponding opposite side then has a plane, connecting plate is " clamping together shape " for " U " shape and body, be provided with the groove that is complementary with fin with the corresponding face of clamping together of the connecting plate that has the fin place on the body, shape in this connecting plate " U " shape inboard can be coincide with this body profile coupling, and the coating face of Xing Chenging is bigger like this.

Bicycle dished brake of the present utility model, the fin that supplies ccontaining open side of brake disc or opposite side to be provided with an axially parallel on the brake body, corresponding opposite side then has a plane, connecting plate is " clamping together shape " for " U " shape and body, be provided with the groove that is complementary with fin with the face of clamping together that has the fin place on the body, form the coating of connecting plate and body, even significantly relative reversing can not take place in bolt looseness yet after making disc brake adjust the parallelism of brake disc and friction lining when mounted, the fiduciary level and the service life of using have been improved, it is ingenious to have the conception of improvement, handling ease, good effectiveness.

Description of drawings

Fig. 1 is the front view of the utility model embodiment

Fig. 2 is the birds-eye view of the utility model embodiment

Fig. 3 is the connecting plate parts front view among the utility model embodiment

Fig. 4 is the axial cut-away view of the utility model embodiment

Below in conjunction with embodiment the utility model is further described, following each embodiment only is used to illustrate the technical solution of the utility model, but to not restriction of the utility model.

Embodiment one

As shown in Fig. 1 to 4, Bicycle dished brake of the present utility model is by disc brake body 1, the fixed arm 2 that extends to form on the body 1, the movable arm 3 that pivots of body relatively, supply the ccontaining opening 4 of brake disc on the body 1, the ccontaining through hole 11 vertical with opening, the bremsbelage 5 that opening 4 both sides are provided with respectively, bremsbelage 5 is similar to table tennis racket shaped, ccontaining top-pressure mechanism is by upper ejector pin 71 in the body through-holes 11, lower push rod 72, pushing and pressing pearl 73, be sleeved on the returning spring 74 on the upper ejector pin 71, spring check screw 75 and bearing 76 are constituted, its upper ejector pin 71 is placed in the bearing 76, be to be clipped in successively, pushing and pressing pearl 73 between lower push rod, lower push rod 72, lower push rod 72 overcoats reinstall multiple spring 74, returning spring 74 is lived in 75 clinchings of spring check screw, fixed arm 2 these end end face movable arms 3 of body 1 are connected with the upper ejector pin 71 in the through hole 11, drag friction car sheet 5 is abutted on the spring check screw 75 by magnetic block 77 absorption, in the through hole 11 of the other end of body 1 relative fixed arm 2, drag friction car sheet 5 dorsal parts are equipped with magnetic block 77 and plus-minus screw 12 successively, from figure, it can also be seen that, movable arm 3 these sides protrude out a connection rib shape fin 8 on the brake body 1, relative opposite side is a plane 9, connecting plate main body 10 is " U " shape and body 1 is connected to form " clamping together shape ", the joint place, plane is flat on " jaw " portion and the body 1, with being connected fin 8 places of being fitted and connected on the body 1 are groove shape 10a, promptly connecting fin 8 and corresponding connecting plate jaw binding face coincide mutually and is concavo-convex and cooperates, and from figure, can also find out, the inboard shape of " U " shape of connecting plate 10 is corresponding identical with the profile by covered section of body, such form makes the applying degree of connecting plate and body better, connecting plate 10 is reduced greatly with respect to the rotation amplitude of body 1, when using, obviously do not reverse owing to can not produce after vibration waits the tie bolt cause connecting plate 10 loosening yet, thereby guaranteed the parallel of bremsbelage and brake disc.

During use, be that brake disc is fixed on the wheel, brake body 1 is connected on the frame-front fork, adjusts the parallelism of brake disc and bremsbelage 5, and the brake backguy gets final product in the connection.

Claims (2)

1, a kind of Bicycle dished brake, it includes body, the fixed arm that extends to form on the body, the movable arm that pivots of body relatively, supply the ccontaining opening of brake disc on the body, the ccontaining through hole vertical with opening, the bremsbelage that is provided with respectively in opening two side through hole, ccontaining bremsbelage top-pressure mechanism in this end through hole of movable arm, the bremsbelage plus-minus screw of the body other end, it is characterized in that: the fin that supplies ccontaining open side of brake disc or opposite side to be provided with an axially parallel on the described body, corresponding opposite side then has a plane, cooresponding connecting plate is " clamping together shape " for " U " shape and body, is provided with the groove that is complementary with fin with the face that the clamps together place that has the fin place on the body.

2, Bicycle dished brake as claimed in claim 1 is characterized in that: this connecting plate " U " shape its inboard shape of connecting plate and this body profile coupling are coincide.

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