CN201989908U

CN201989908U - Braking handle structure of bicycle

Info

Publication number: CN201989908U
Application number: CN2011200602474U
Authority: CN
Inventors: 蔡赐芳
Original assignee: Tektro Technology Corp
Current assignee: Tektro Technology Corp
Priority date: 2011-03-09
Filing date: 2011-03-09
Publication date: 2011-09-28
Anticipated expiration: 2021-03-09

Abstract

The utility model discloses a braking handle structure of a bicycle, comprising a combining device, a braking handlebar and a screw adjusting set. One end of the combining device is axially arranged at the handlebar of the bicycle. The braking handlebar is provided with a pressing part, a pivot joint part and an accommodating part, wherein the pivot joint part is connected with one end of the combining device, which is away from the handlebar in a pivot mode, and the accommodating part is parallel with the axial direction of the handlebar. The screw adjusting set is accommodated in the accommodating part of the braking handlebar and is connected with one end of a braking steel rope. With the adoption of the fine tuning screw adjusting set, the braking steel rope is relaxed or tightened, and in addition, since the screw adjusting set has the function of rotation and movement, the condition that the braking steel rope is bent too much to generate friction and further influence the braking efficacy can be avoided.

Description

The bicycle brake grip structure

Technical field

The utility model is relevant for a kind of brake crank structure, is meant especially a kind ofly to cause the brake cable bending excessive when avoiding braking, and in conjunction with the bicycle brake grip structure of fine setting brake cable wire take-up.

Background technology

The basic structure of bicycle roughly can be divided: frame system and frame, driving system, Wheeling System, brake system, dish evil spirit system and other spare and accessory parts or the like, each bicycle needs to want part to assemble by two over thousands of primary and secondarys, the mechanical type vehicle that do not need to use fuel that utilize above-mentioned member to organize, be a kind ofly to trample by manpower, be the walking-replacing tool that power advances, it combines ergonomics, aeromechanics and physics and theory of machines; Particularly it has environmental protection, body-building, advantage such as rides, conveniently parks instead of walk, has become in modern's recreation one of product that can not goods lacks.

With brake system, its main element includes brake crank, brake, compositions such as brake cable, it is done flowing mode system and utilizes this brake crank of turn, control this brake cable with transmission and produce displacement, and then affect this brake that wheel is carried out rubbing effect, stop the brake function that wheel is rotated further and reach, rider's self-security so brake system concerns, by it often by bike, for a long time easily cause brake cable fracture or brake rubber block too to wear away attenuation, so that brake failure, therefore must consider its braking zero sensitivity on its structure design, can reach pacing factors such as positive braking benefit, more further in its assembling, on the cost or the structure design on constituting.

With the brake cable structure, the application of metal and plastic material is arranged, with the plastic material structure, the structure that it coats for the plastic material multilayer, its material utilization includes PU, carbon fiber or the like compound plastic material; In addition, please refer to No. 85211365 novel patent of TaiWan, China, to contain the bicycle brake line structure that metal level coats, it is by a helical metal pipe, wear a plastic inner pipe in its inner rim, in its outer rim noose one plastic outer tube,, and wear a Brake cable person in addition by the plastic inner pipe inner edge with protection helical metal pipe; Above-mentioned brake cable structure is respectively to have merits and faults, yet the brake cable structure with metal material sleeve pipe more can not cause braking effect to reduce because of the excessive inner cable displacement of the lines that influences of line body bending curvature in the use of vehicle frame trace configurations.

The utility model content

The technical matters that the utility model mainly solves provides a kind of bicycle brake grip structure, when brake, can avoid brake cable because of bending the excessive friction effect that to brake fully that causes that produces, more can when changing the outfit brake cable, be easy to the operation of loosening, tightening, to be convenient for changing use.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of bicycle brake grip structure, wherein: comprise

One combining device, one end axle are located at the leader place of a bicycle;

One brake handgrip has a press section, an articulated section and an accommodation section, and this articulated section is connected with the end of this combining device away from this handle pivotly, and this accommodation section is parallel with the axial direction of this handle; And

One transfers the spiral shell group, movablely revolves this accommodation section that is installed with at this brake handgrip with moving, and connects an end of a brake cable;

Wherein, by finely tuning this accent spiral shell group to loosen or tight this brake cable.

Wherein, this accent spiral shell group comprises a cylinder block, screwed pipe in one plus-minus screw and, this cylinder block is movable to revolve being arranged in this accommodation section of moving, and has a vertically perforation of level perforation and, the axially parallel of this level perforation and this handle, and the axially vertical perforation with this of this level perforation is axially vertical mutually, should in screwed pipe and this handle axially parallel and be located in during this level bores a hole, and have a threaded portion and a head, it is outer and be located in rotationally during this vertically bores a hole that this plus-minus screw is arranged in this threaded portion of screwed pipe in this movably, this head is connected the end of this threaded portion away from this handle, this brake cable passes this threaded portion and is fixed on this head, screwed pipe is located in this level perforation and keeps movable space in being somebody's turn to do, and this plus-minus screw is located in this vertical perforation and also keeps movable space.

Wherein, when in not depressing this press section during in a normal condition, line of the axle center height of the axle center height of screwed pipe and this handle is level in this.

Wherein, when in depressing this press section during in a braking state, axle center height of screwed pipe is a little less than the axle center height of this handle in this, and this accent spiral shell assembly is should brake cable slightly is inclination one angle.

Wherein, this combining device overlaps institute by a M6 screw, one first expansion cover and one second expansion to be formed, and this M6 screw is connected with this brake handgrip, and this first expansion cover is connected with this M6 screw, and this second expansion is set in outside this M6 screw and this first expansion cover.

The beneficial effects of the utility model are: by said structure, when between normal condition and braking state, exchanging, because the mouth of pipe bore of combining device and handle junction is slightly less than the caliber of handle, and the axle center height of screwed pipe and the axle center height line of handle are level under the normal condition, under braking state, since transfer the spiral shell group have movable revolve the function of moving and in the movable space of screwed pipe between boring a hole with level, and the movable space between plus-minus screw and the vertical perforation, the axle center height of screwed pipe is a little less than the axle center height of handle in causing, make brake cable can avoid excessive and influence brake effect in the bending of combining device and handle junction, more can avoid the excessive friction force of brake cable bending excessive to combining device and handle junction, influence the brake effect especially, and then may cause brake failure.

Description of drawings

Fig. 1 is the lateral plan of the utility model bicycle brake grip structure.

Fig. 2 is the cutaway view of the utility model bicycle brake grip structure.

Fig. 3 is the block diagram one of the utility model bicycle brake grip structure.

Fig. 3 A is the block diagram two of the utility model bicycle brake grip structure.

Fig. 4 is a block diagram of transferring the spiral shell group in the utility model bicycle brake grip structure.

Fig. 5 is a lateral plan of transferring the spiral shell group in the utility model bicycle brake grip structure.

Fig. 6 is the cutaway view of the utility model bicycle brake grip structure under a braking state.

The primary clustering nomenclature

10 handles; 11 brake cables; 1 bicycle brake grip structure; 2 combining device;

The 21M6 screw; 22 first expand cover; 23 second expand cover; 3 brake handgrips;

31 press sections; 32 articulated sections; 33 accommodation sections; 4 transfer the spiral shell group; 40 cylinder blocks;

The perforation of 401 levels; 402 vertically perforation; 41 plus-minus screws; Screwed pipe in 42;

421 threaded portions; 422 heads; The α angle.

The specific embodiment

By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

Please also refer to Fig. 1 to Fig. 5, wherein, Fig. 1 is the lateral plan of the utility model bicycle brake grip structure, Fig. 2 is the cutaway view of the utility model bicycle brake grip structure, Fig. 3, Fig. 3 A are the block diagram of the utility model bicycle brake grip structure, Fig. 4 is a block diagram of transferring the spiral shell group in the utility model bicycle brake grip structure, and Fig. 5 is a lateral plan of transferring the spiral shell group in the utility model bicycle brake grip structure.

The utility model bicycle brake grip structure 1 comprises a combining device 2, a brake handgrip 3 and an accent spiral shell group 4.

Combining device 2 one end axles are located at bicycle leader 10 places of (figure does not show), and the mouth of pipe bore of combining device 2 and handle 10 junctions is slightly less than the caliber of handle 10; And combining device 2 can be a M6 screw 21, one first and expands

cover

22 and 1 second and expand 23 compositions of cover, and M6 screw 21 is connected with brake handgrip 3, and first expands cover 22 is connected with M6 screw 21, and second expand overlap 23 be set in first expansion overlap 22 and M6 screw 21 outside.

Brake handgrip 3 has a press section 31, an articulated section 32 and an accommodation section 33, and articulated section 32 is connected with the end of combining device 2 away from this handle 10 pivotly, and accommodation section 33 is parallel with the axial direction of handle 10.

Transfer spiral shell group 4 to be installed with movably in the accommodation section 33 of braking handgrip 3, and connect an end of a brake cable 11, wherein, transfer spiral shell group 4 to loosen or tight brake cable 11 by fine setting, in detail, make interior screwed pipe 42 produce displacements by fine setting plus-minus screw 41, when interior screwed pipe 42 when handle 10 directions move, promptly loosen brake cable 11, the operation of conveniently replaced brake cable 11, when interior screwed pipe 42 moved away from handle 10 directions, promptly tight brake cable 11 loosened or tight effect to reach fine setting brake cable 11.

Moreover, transfer spiral shell group 4 to comprise a cylinder block 40, screwed pipe 42 in one plus-minus screw 41 and, cylinder block 40 is movable to revolve being arranged in the accommodation section 33 of moving, and has level perforation 401 and one a vertical perforation 402, the axially parallel of level perforation 401 and handle 10, and the axial and vertical perforation 402 of level perforation 401 is axially vertical mutually, interior screwed pipe 42 is located in the axially parallel of handle 10 in the level perforation 401, and have a threaded portion 421 and a head 422, the threaded portion 421 of screwed pipe 42 was outer and be located in rotationally in the vertical perforation 402 in plus-minus screw 41 was arranged in movably, head 422 is connected the end of threaded portion 421 away from handle 10, and brake cable 11 passes threaded portion 421 and is fixed on head 422.

Wherein, interior screwed pipe 42 is located in the level perforation 401 and keeps movable space, and plus-minus screw 41 is located in the vertical perforation 402 and also keeps movable space.

Please, be the cutaway view of the utility model bicycle brake grip structure under a braking state more simultaneously with reference to figure 6.

During in a normal condition, the line of the axle center height of interior screwed pipe 42 and the axle center height of handle 10 is not level (as shown in Figure 2) when depressing press section 31; When in depressing press section 31 during in a braking state, because the movable space between interior screwed pipe 42 and the level perforation 401, and plus-minus screw 41 and vertical movable space of boring a hole between 402, make and transfer spiral shell group 4 to cooperate brake cable 11 slightly to be tilt angle alpha, and screwed pipe 42 keeps balance in making, rub to avoid brake cable 11 to bend excessive and produce, and the axle center height of interior screwed pipe 42 is a little less than the axle center height (as shown in Figure 6) of handle 10.

Therefore, by said structure, when between normal condition and braking state, exchanging, because the mouth of pipe bore of combining device 2 and handle 10 junctions is slightly less than the caliber of handle 10, and the axle center height of screwed pipe 42 and the axle center height line of handle 10 are level under the normal condition, under braking state, since transfer spiral shell group 4 have movable revolve the function of moving and in bore a hole movable space between 401 of screwed pipe 42 and level, and plus-minus screw 41 and vertical movable space of boring a hole between 402, the axle center height of screwed pipe 42 is a little less than the axle center height of handle 10 in causing, make brake cable 11 can avoid excessive and influence brake effect in the combining device 2 and the bending of handle 10 junctions, more can avoid brake cable 11 bendings excessive excessive with the friction force of handle 10 junctions to combining device 2, influence the brake effect especially, and then may cause brake failure.

The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. a bicycle brake grip structure is characterized in that: comprise

One brake handgrip has a press section, an articulated section and an accommodation section, and this articulated section is connected with the end of this combining device away from this handle pivotly, and this accommodation section is parallel with the axial direction of this handle; And one transfer the spiral shell group, movablely revolves this accommodation section that is installed with at this brake handgrip with moving, and connect an end of a brake cable;

2. bicycle brake grip structure according to claim 1, it is characterized in that: this accent spiral shell group comprises a cylinder block, screwed pipe in one plus-minus screw and, this cylinder block is movable to revolve being arranged in this accommodation section of moving, and has a vertically perforation of level perforation and, the axially parallel of this level perforation and this handle, and the axially vertical perforation with this of this level perforation is axially vertical mutually, should in screwed pipe and this handle axially parallel and be located in during this level bores a hole, and have a threaded portion and a head, it is outer and be located in rotationally during this vertically bores a hole that this plus-minus screw is arranged in this threaded portion of screwed pipe in this movably, this head is connected the end of this threaded portion away from this handle, this brake cable passes this threaded portion and is fixed on this head, screwed pipe is located in this level perforation and keeps movable space in being somebody's turn to do, and this plus-minus screw is located in this vertical perforation and also keeps movable space.

3. bicycle brake grip structure according to claim 2 is characterized in that: when in not depressing this press section during in a normal condition, line of the axle center height of the axle center height of screwed pipe and this handle is level in this.

4. bicycle brake grip structure according to claim 2, it is characterized in that: when in depressing this press section during in a braking state, be somebody's turn to do the axle center height of the axle center height of interior screwed pipe, and this accent spiral shell assembly is should brake cable slightly is to tilt an angle a little less than this handle.

5. bicycle brake grip structure according to claim 1, it is characterized in that: this combining device expands cover by a M6 screw, one first and one second expansion cover institute is formed, this M6 screw is connected with this brake handgrip, this first expansion cover is connected with this M6 screw, and this second expansion is set in outside this M6 screw and this first expansion cover.