CN2578218Y - Disc braker of bicycle - Google Patents
Disc braker of bicycle Download PDFInfo
- Publication number
- CN2578218Y CN2578218Y CN 02257610 CN02257610U CN2578218Y CN 2578218 Y CN2578218 Y CN 2578218Y CN 02257610 CN02257610 CN 02257610 CN 02257610 U CN02257610 U CN 02257610U CN 2578218 Y CN2578218 Y CN 2578218Y
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- CN
- China
- Prior art keywords
- disc brake
- opening
- bicycle
- permanent seat
- axis section
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- Expired - Fee Related
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Abstract
The utility model discloses a disc brake of a bicycle, which aims to overcome the defects that the existing bicycle brake has good braking effect but high cost, or the existing bicycle brake has low cost but bad braking effect. The disc brake of a bicycle comprises a fixed seat fixed on a front fork or a back fork of a bicycle, a connecting rod group which is pivoted at the fixed seat, and a braking clamp group. One end of the connecting rod group is fixedly connected with a braking conducting wire, and the other end of the connecting rod group forms an oblique conical surface. The braking clamp group is pivoted at the fixed seat, one end of the braking clamp group is provided with a pushing and stopping opening opposite to the oblique conical surface, and the other end of the braking clamp group is provided with a clamping opening, so the disc brake can be positioned in the opening. Therefore, the dragging of the braking conducting wire links the connecting rod group to pivot and swing, so that the oblique conical surface of the connecting rod group can be pushed into the opening of the pushing and stopping opening. Thus, the pushing and stopping opening can expand, the clamping opening can tighten, and the pushing and stopping opening and the clamping opening are clamped on the disc of the disc brake, so that good braking effect is achieved. Moreover, the utility model is simple in structure and low in integral product cost.
Description
Affiliated technical field
The utility model relates to a kind of bicycle brake device.
Background technology
The brake of present commercially available bicycle roughly divides two kinds, a kind of is the hydraulic pressure disc brake, utilize the pressure of liquid to expand for human body is converted into the application of force of brake, and then the video disc that is fixed on the bicycle rim is made holding action, reach the brake effect with this; Another kind is traditional U type, V-type or cantilevered brake, these brakes all are to utilize pulling one brake cable to affect two brake arms that are hubbed on the cycle frame curved toward interior pivot, the brake shoes that is fixed on the brake arm with utilization carries out clamping stop to bicycle rim, reaches the brake purpose.Above-mentioned hydraulic pressure disc brake braking effect is better, but manufacturing cost is higher, is difficult for being accepted by popular, and this for this reason hydraulic pressure disc brake is all used on the high-grade bicycle; Though moreover traditional brake simple structure, with low cost, braking effect is not good.
Summary of the invention
Exist braking effect good but cost height or cost are low but deficiency that braking effect is bad in order to overcome existing bicycle brake.The utility model provides a kind of bicycle disc brake for this reason, and this disc brake not only braking effect is good but also whole cost is lower.
The utility model for the technical scheme that solves its technical matters and adopt is: this bicycle disc brake mainly comprises:
One permanent seat is on the front fork or back vent that are fixed in bicycle;
One linkage rod group, on this permanent seat that is pivoted, and one end and Brake cable are affixed, and the other end then is formed with a scalene cone;
One braking clamp group is to be hubbed on the permanent seat, and the one end has one and relative with this scalene cone pushes away sincere opening, and the other end then has a grasp opening, makes the disc brake dish setable in wherein;
By this, can spur this linkage rod group pivot pendulum, make the scalene cone of this linkage rod group can be pushed in this and push away in the sincere opening, make this push away the expansible grasp opening of sincere opening and then tighten and press from both sides sincerely on the disc brake dish, and can reach the purpose of brake by the traction of this Brake cable.
Permanent seat has a locking part, is to use for this braking clamp group to be pivoted and as the mid point of two end pivots pendulum.
The locking part for from two ends up and down of this permanent seat stage casing one side outwards laterally the court of a feudal ruler stretch out two fins, and a cooresponding perforation is set respectively on this two fin forms, and this two fins spacing has a predetermined gap; And can be located between this each perforation by a locking bolt, this braking clamp group can be articulated in by wearing of this locking bolt between this two fin.
Linkage rod group has a rocking arm and and pushes away master unit, this rocking arm is for being articulated on this permanent seat, and be with this braking clamp group position in the same side, this rocking arm also can be defined a minor axis section and a major axis section by two outer ends of its pivoting point respectively, and the degree degree of this major axis section is than minor axis Duan Weichang, and the free end of this major axis section system is connected with Brake cable; This pushes away master unit, system is connected on the free end of this rocking arm minor axis section with the one end, this scalene cone then is formed on the outside face that pushes away the master unit other end, make the major axis section of this rocking arm can be subjected to the drawing effect of this Brake cable and carry out pivot and put, and and then drive and this minor axis section bonded assembly pushes away the master unit displacement, expand the effect that this pushes away sincere opening to reach by this scalene cone.
The length of major axis section is two times of minor axis section approximately.
The braking clamp group has a clamp and two brake shoes; The clamping bar that this clamp system is articulated on this permanent seat by two stage casings is combined, and makes two ends after this two clamping bar makes up form this respectively and pushes away sincere opening and this grasp opening; Two stop piece systems are individually fixed on these grasp opening in-to-in two sides, and just in time the position can reach braking effect by this two brake shoes to the author that this disc brake dish carry out the clamping friction when this grasp opening is tightened outside the disc brake dish.
This grasp opening is inner and be provided with one and push away sincere spring element in this two clamping bar, and making can be by the elastic force thrusting action of this spring element, and makes the brake shoes that is arranged in this grasp opening under the effect that is not subjected to external force, can't contact to some extent with this disc brake dish.
Each clamping bar be respectively therein section be the body of rod of projection, and this each clamping bar system with about mutually inverse manner its stage casing is articulated on the permanent seat by a locking bolt.
The braking clamp group has two rollers, and this each roller system is hubbed on these two sides that push away sincere opening and with this scalene cone and slightly contacts, and makes this scalene cone when being pushed in this and pushing away in the sincere opening, can push away sincere the smooth degree when being pushed by the rotation increase of this roller.
The stage casing side face system of each roller is the state of protuberantia slightly outward, slightly contacts and push away sincere face with the side face of protuberantia with this, pushes away the too much unnecessary friction force of increase between sincere to avoid roller and this.
The beneficial effects of the utility model are: can find out that therefrom the utility model is simple in structure, easy to manufacture, the integral product cost is lower.By the tractive Brake cable, the master unit that pushes away on the linkage rod group is pushed toward the sincere opening that pushes away on the braking clamp group, and then make the grasp opening on the braking clamp group press the disc brake dish, thereby reach good braking effect.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the not lateral plan during braking state of the utility model;
Top view when Fig. 2 is a not braking state shown in Figure 1;
Fig. 3 is a braking clamp group top view shown in Figure 1;
Fig. 4 is a fixed seat side view shown in Figure 1;
Fig. 5 is the sectional top plan view of permanent seat shown in Figure 4;
Lateral plan when Fig. 6 is a braking state shown in Figure 1;
Top view when Fig. 7 is a braking state shown in Figure 1.
The specific embodiment
Embodiment: referring to Fig. 1 to Fig. 5, the utility model is a kind of bicycle disc brake 10, be located at the front fork or the back vent (not shown) of bicycle, can be subjected to the tractive of a Brake cable 1 and be held on one and be fixed on disc brake dish 2 on the bicycle rim to reach bicycle and slow down or the effect of stop, this disc brake 10 includes a permanent seat 20, a linkage rod group 30 and a braking clamp group 40.
Referring to Fig. 1, Fig. 4 and Fig. 5, as shown in Figure 1, this permanent seat 20, generally be a tabular body, be fixed in the front fork or the back vent (not shown) of bicycle with the one end, in the present embodiment for being fixed in back vent, and the other end is fixed on the vehicle frame 3 of bicycle, but make this permanent seat 20 strong fixs, as shown in Figure 4 and Figure 5, this permanent seat 20 also forms a locking part 21, and this locking part 21 is that two ends up and down from this permanent seat 20 stage casings one side outwards laterally extend two fins 211, and a cooresponding perforation 212 is set respectively on these fins 211 forms, and 211 of this two fins have a predetermined gap.
As depicted in figs. 1 and 2, this linkage rod group 30 has a rocking arm 31 and and pushes away master unit 32; This rocking arm 31 is to be articulated in the place of permanent seat 20, and be with 21 of the locking parts of this permanent seat 20 on the same side, this rocking arm 31 also can articulate part by this permanent seat 20, define a minor axis section 311 and a major axis section 312 respectively to its two outer end, the length of this major axis section 312 is about two times of these minor axis section 311 length, and the free end of this major axis section 312 then is to be connected with this Brake cable 1; Push away master unit 32, system is connected on the free end of these rocking arm 31 minor axis sections 311 with the one end with being vertical configuration approximately, this other end outside face that pushes away master unit 32 then forms a scalene cone 321, make the major axis section 312 of this rocking arm 31 can be subjected to the drawing effect of this Brake cable 1 and carry out pivot and put, and and then drive and push away master unit 32 displacements on this minor axis section 311.
As Fig. 1, Fig. 2 and shown in Figure 3, this braking clamp group 40, system is hubbed on the locking part 21 of this fixed part 20, and two ends of this braking clamp group 40 are formed with an opening respectively, the one opening makes this disc brake dish 2 can be therebetween, another opening then scalene cone 321 with linkage rod group 30 is relative, make with this scalene cone 321 corresponding A/F is arranged, can be subjected to the effect of these scalene cone 321 displacements and expand, make the width of these braking clamp group 40 another openings then can relatively be the state of deflation, and and then be held on this disc brake dish 2, and reach the effect of brake.
In the present embodiment, as shown in Figure 3, this braking clamp group 40 has a clamp 41, two rollers 42,43 and two brake shoes 44,45; This clamp 41 is by two clamping bars 411,412 articulate and form, this each clamping bar 411,412 is that section is the protruding body of rod therein, and this each clamping bar 411,412 be with about mutually inverse manner with its stage casing wearing by a locking bolt 416, and can be articulated in respectively in the perforation 212 of these permanent seat 20 2 fins 211, making can be by this two clamping bar 411,412 stage casing articulates, push away a sincere opening 413 and a grasp opening 414 and make its two end be formed with one respectively, as shown in Figure 1, this pushes away sincere opening 413 is relative with sincere 321 of pushing away of this linkage rod group 30, and 414 of this grasp openings are for just in time making 2 on this disc brake dish betwixt; This roller 42,43 is to be hubbed on these two side clamping bars 411,412 that push away sincere opening 413, and the stage casing side face of this each roller 42,43 is for slightly being the state of protuberantia outward, and push away sincere 321 with the side face that is protuberantia with this and slightly contact, increase too much unnecessary friction force to avoid this each roller 42,43 and this to push away sincere 321 when moving rolling; This two brake shoes 44,45 is that apportion is fixedly arranged within these grasp opening 414 2 side clamping bars 411,412 on the side, just in time the position is outside this disc brake dish 2, and this grasp opening 414 is inner and be provided with one and push away sincere spring element 415 in 411,412 of this two clamping bars, make elastic force thrusting action by this spring element 415, and make this grasp opening 414 under the effect that is not subjected to external force, can remain in the state of often opening (promptly make this two disc brakes dish 44,45 under the effect that is not subjected to external force, can not contact to some extent) with this disc brake dish 2.
More than be structrual description of the present utility model, manner of execution of the present utility model is as follows:
As shown in Figure 6 and Figure 7, when the staff mat is held by the brake crank (not shown), just can spur and be connected in and the Brake cable 1 of 30 of this linkage rod group, make this Brake cable 1 simultaneously the major axis section 312 of these linkage rod group 30 rocking arms 31 of drawing the pivot pendulum and drive this and push away master unit 32 and turn right and pass a predetermined distance, make this scalene cone that pushes away master unit 32 321 can be gradually by this each roller 42,43 rotation guiding down, and push toward sincere opening 413 inside that push away of this braking clamp group 40, and because the external diameter of this scalene cone 321 system is expansion gradually, causing this scalene cone 321 to be pushed in this pushes away the degree of depth in the sincere opening 413 and heals when dark, this pushes away sincere opening 413 and is subjected to the effect that this scalene cone 321 expanded out also bigger, and make this width that pushes away sincere opening 413 little by little to expand: make the position also can relatively form the state that clamps gradually at the grasp opening 414 of these clamp 41 other ends, and can be by each brake shoes 44 on this grasp opening 414, the disc brake dish 2 of 45 pairs of bicycles is done the effect of tight sincere clamping friction, reaches braking effect.
In addition, because these linkage rod group 30 rocking arms 31 are subjected to major axis section 312 length of 1 drawing of Brake cable, be to be pushed in this and to push away two times of minor axis segment length in the sincere opening 413 in order to this is pushed away master unit 32, therefore as can be known by the principle of " moment=power * arm of force ", the moment that is produced behind the arm of force of application of force drawing by staff than length, in the time of on being sent to the short arm of force, the application of force of the more former staff of strength that the short arm of force can be exported is big, therefore major axis section 312 is subjected to the moment that the application of force drawing of this Brake cable 1 is produced down, the strength of in the pivot pendulum, being exported via this minor axis section 311, the clamping strength that is transferred on this clamp 41 is increased, make the user reach braking effect with the less application of force.
Claims (10)
1. bicycle disc brake is characterized in that: mainly comprise:
One permanent seat is on the front fork or back vent that are fixed in bicycle;
One linkage rod group, on this permanent seat that is pivoted, and one end and Brake cable are affixed, and the other end then is formed with a scalene cone;
One braking clamp group is to be hubbed on the permanent seat, and the one end has one and relative with this scalene cone pushes away sincere opening, and the other end then has a grasp opening, makes the disc brake dish setable in wherein.
2. bicycle disc brake according to claim 1 is characterized in that: permanent seat has a locking part, is to use for this braking clamp group to be pivoted and as the mid point of two end pivots pendulum.
3. bicycle disc brake according to claim 2, it is characterized in that: the locking part is for stretching out two fins from the outwards horizontal court of a feudal ruler of two ends up and down of this permanent seat stage casing one side, and a cooresponding perforation is set respectively on this two fin forms, and this two fins spacing has a predetermined gap; And can be located between this each perforation by a locking bolt, this braking clamp group can be articulated in by wearing of this locking bolt between this two fin.
4. bicycle disc brake according to claim 1, it is characterized in that: linkage rod group has a rocking arm and and pushes away master unit, this rocking arm is for being articulated on this permanent seat, and be with this braking clamp group position in the same side, this rocking arm also can be defined a minor axis section and a major axis section by two outer ends of its pivoting point respectively, and the degree degree of this major axis section is than minor axis Duan Weichang, and the free end of this major axis section system is connected with Brake cable; This pushes away master unit, system is connected on the free end of this rocking arm minor axis section with the one end, this scalene cone then is formed on the outside face that pushes away the master unit other end, make the major axis section of this rocking arm can be subjected to the drawing effect of this Brake cable and carry out pivot and put, and and then drive and this minor axis section bonded assembly pushes away the master unit displacement, expand the effect that this pushes away sincere opening to reach by this scalene cone.
5. bicycle disc brake according to claim 4 is characterized in that: the length of major axis section is two times of minor axis section approximately.
6. bicycle disc brake according to claim 1 is characterized in that: the braking clamp group has a clamp and two brake shoes; The clamping bar that this clamp system is articulated on this permanent seat by two stage casings is combined, and makes two ends after this two clamping bar makes up form this respectively and pushes away sincere opening and this grasp opening; Two stop piece systems are individually fixed on these grasp opening in-to-in two sides, and just in time the clamping friction can be carried out to this disc brake dish by this two brake shoes when this grasp opening is tightened in the position outside the disc brake dish.
7. bicycle disc brake according to claim 6, it is characterized in that: this grasp opening is inner and be provided with one and push away sincere spring element in this two clamping bar, making can be by the elastic force thrusting action of this spring element, and make the brake shoes that is arranged in this grasp opening under the effect that is not subjected to external force, can't contact to some extent with this disc brake dish.
8. bicycle disc brake according to claim 6 is characterized in that: each clamping bar be respectively therein section be the body of rod of projection, and this each clamping bar system with about mutually inverse manner its stage casing is articulated on the permanent seat by a locking bolt.
9. bicycle disc brake according to claim 6 is characterized in that: the braking clamp group has two rollers, and this each roller system is hubbed on these two sides that push away sincere opening and with this scalene cone and slightly contacts.
10. bicycle disc brake according to claim 9 is characterized in that: the stage casing side face system of each roller is the state of protuberantia slightly outward, slightly contacts and push away sincere face with the side face of protuberantia with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257610 CN2578218Y (en) | 2002-09-29 | 2002-09-29 | Disc braker of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257610 CN2578218Y (en) | 2002-09-29 | 2002-09-29 | Disc braker of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2578218Y true CN2578218Y (en) | 2003-10-08 |
Family
ID=33725517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02257610 Expired - Fee Related CN2578218Y (en) | 2002-09-29 | 2002-09-29 | Disc braker of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2578218Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010160A (en) * | 2016-01-06 | 2017-08-04 | 株式会社岛野 | Bicycle disk brake caliper |
-
2002
- 2002-09-29 CN CN 02257610 patent/CN2578218Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010160A (en) * | 2016-01-06 | 2017-08-04 | 株式会社岛野 | Bicycle disk brake caliper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |