CN1288362C - Mechanical disk brake - Google Patents
Mechanical disk brake Download PDFInfo
- Publication number
- CN1288362C CN1288362C CN 200410041876 CN200410041876A CN1288362C CN 1288362 C CN1288362 C CN 1288362C CN 200410041876 CN200410041876 CN 200410041876 CN 200410041876 A CN200410041876 A CN 200410041876A CN 1288362 C CN1288362 C CN 1288362C
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- CN
- China
- Prior art keywords
- disc brake
- friction plate
- servo
- follow
- plane
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Abstract
The present invention relates to a mechanical disc brake. At least one of two friction plates in a disc brake clamp body is provided with a follow-up mechanism which is a follow-up bevel arranged on the backside of the friction plate; the follow-up lift angle alpha of the follow-up bevel ranges from 0 to 20 degrees. A component connected to the backside of the friction plate is provided with a fixed bevel matched with the follow-up bevel. Once users hold the brake, before the friction plates are in contact with a disc brake disk to a locking state, a frictional force along the tangential direction of the disc brake disk is generated among the friction plates and the disc brake disk; under the action of the frictional force, the friction plates swing along the follow-up bevel; under the action of the follow-up lift angle, the travel range of the friction plates is correspondingly increased, and therefore, the brake force is increased by fold. Thus, the mechanical disc brake can tightly wedge the disc disk like a wedge to realize the braking operation. Moreover, the higher the running speed is, the bigger the brake force is, and the better the braking effect is. The mechanical disc brake makes use of the follow-up theory, and generates a follow-up force through the frictional force among the friction plates and the disc brake disk, and consequently, the braking force is increased. As long as users gently move a handle, an ideal braking effect can be achieved.
Description
Technical field
The present invention relates to a kind of braking device, particularly a kind of mechanical bicycle disc brake.
Background technique
It comprises disc brake dish and brake binder two-part the mechanical type disc brake, and brake disc is fixedlyed connected with wheel hub.Brake binder mainly is made up of disc brake caliper, the support of dress friction plate and drive unit in having and the floating connecting structure of regulating floating installation that has that is connected disc brake caliper, support.Brake binder is fixedlyed connected with two installation fulcrums on the vehicle frame by two corresponding tapped holes.The drive unit of disc brake caliper is by steel cable pulling drive shaft turns, drive plate is housed on the live axle, drive plate promotes friction plate clamping disc by the kind of drive of 2～3 helicoids, the disc brake of this kind drive mechanism, the problem of its existence has: 1. in the effective angle range of drive plate, braking force and the inversely proportional relation of friction plate stroke, it is that the drive plate lead angle reduces that braking force increases, then the little i.e. spacing between two friction plates of friction plate stroke reduces.In the using process, the dish phenomenon appears rubbing.Otherwise the friction plate stroke strengthens then that braking force reduces, and does not satisfy usage requirement, is difficult to accomplish satisfactory to both parties taking into account owing to drive the constraint of structure; Though 2. there is the drive plate design method of different lift angles can make friction plate gap and brake obtain more satisfactory effect, but having in friction plate is adjusted to limited spacing range, it could obtain identical effective braking force, braking effect extreme difference in the time of promptly in spacing is adjusted to 2.5mm; 3. because due to the structure, if obtain brake weight preferably, its handling power exceeds common people's grip, be easy to make the people to feel tired; 4. since the making precision of drive plate when not high, can influence braking force, even locking phenomenon can occur, so higher to the making required precision of drive plate, the increase cost of production.
Summary of the invention
The technical problem to be solved in the present invention is at the deficiencies in the prior art, a kind of novel disc brake that obtains desirable braking effect is proposed, it utilizes the servo-actuated principle, produce with power by the frictional force between friction plate and the disc brake sheet, thereby strengthened braking force, as long as pull handle gently, just can obtain desirable braking effect.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of mechanical type disc brake, it comprises disc brake dish and brake binder two-part, brake binder is provided with the disc brake caliper and is connected support, two friction plates are housed in the disc brake caliper, drive unit in one of them friction plate and the disc brake caliper joins, another friction plate is contained in the tong arm of disc brake caliper, be provided with the return leaf spring between two friction plates, be characterized in: one of them is provided with follower at least in two friction plates, described follower is for to be provided with the servo-actuated inclined-plane at the back side of friction plate, and the member that is connected with the friction plate back side is provided with the constant inclined surface that cooperates with the servo-actuated inclined-plane.The true dip direction on servo-actuated inclined-plane is consistent with the tangent direction of disc rotation.Described follower is for when friction plate contacts with disc, and under frictional force action, friction plate produces follow-up shift along the direction of disc rotation.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, the servo-actuated lift angle α on servo-actuated inclined-plane, 0＜α≤20 °.
The return leaf spring is the V shaped slab spring, and two leg reverses an angle of cut mutually to two side direction, and the angle of reversing is 5～10 °.Two legs of V shaped slab spring are seen on its lateral plan, reverse mutually and form an angle of cut, and this plate not only can make two friction plates at axial return, and can make friction plate side direction self-return, realizes the self-return of friction plate on both direction.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, the interior friction plate of tong arm that is contained in the disc brake caliper is provided with follower, its back side is provided with the servo-actuated inclined-plane, be provided with the groove of placing friction plate in the tong arm, the bottom surface of groove is the constant inclined surface that cooperates with servo-actuated inclined-plane, the friction plate back side.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, the friction plate that joins with drive unit in the disc brake caliper is provided with follower, its back side is provided with the servo-actuated inclined-plane, be provided with a loose flange between friction plate and the drive unit, the fitting surface that loose flange and friction plate join is a constant inclined surface.
The technical problem to be solved in the present invention can also come to realize that further two friction plates are provided with follower simultaneously by the following technical programs.
The present invention compared with prior art, one of them is provided with follower at least in two friction plates in the disc brake caliper, when in the process of riding, braking, the people holds the brake handle, steel cable promotes friction plate and the obvolvent of disc brake dish by drive unit, contact with the disc brake dish to the locking at friction plate, can produce frictional force between friction plate and the disc brake dish along disc brake dish tangent direction, under frictional force action, friction plate is swung along the servo-actuated inclined-plane, owing to the effect of servo-actuated lift angle, increased the stroke of friction plate accordingly, then its braking force is multiplied.As wedge wedging disc, realize braking, and travelling speed is high more, braking force is big more, and braking effect is good more.Braking principle of the present invention is to add the kinetic energy that car is had on the people is controlled the basis of external force under travelling state, is converted into braking force by follower, and the big I of its braking force is calculated by following formula:
P＝P
1+P
1×(μ
1-μ
2)×tg
-1α
P----be total brake weight
P
1---be the manual brake weight that produces of people
μ
1---be the friction factor between friction plate and disc
μ
2---for servo-actuated inclined-plane, the friction plate back side is mated friction factor between the face
α---for the servo-actuated lift angle is the angle of cut between servo-actuated inclined-plane and the disc brake dish disc
According to following formula, along with the servo-actuated lift angle changing between 0＜α≤20 °, can increase total braking force greatly.According to this formula, suitably determine P, μ
1, α value, can obtain optimal steering force and brake weight.
Description of drawings
Fig. 1 is the whole sectional view of disc brake.
Fig. 2 is contained in the schematic representation that friction plate in the tong arm of disc brake caliper is provided with follower.
Fig. 3 is the schematic representation that two friction plates are provided with follower simultaneously.
Fig. 4 is that the part of the concrete enforcement structure of Fig. 3 cooperates figure.
Embodiment
Embodiment 1,
A kind of mechanical type disc brake, it comprises disc brake dish 8 and brake binder two-part, brake binder is provided with disc brake caliper 2 and is connected support, two friction plates 4,6 are housed in the disc brake caliper 2, drive unit 1 in one of them friction plate 6 and the disc brake caliper 2 joins, another friction plate 4 is contained in the tong arm 3 of disc brake caliper 2, be provided with return leaf spring 5 between two friction plates 4,6, disc brake caliper 2 connects with being connected between the support by regulating floating installation, and brake binder is fixedlyed connected with two installation fulcrums on the vehicle frame by two corresponding tapped holes.The drive unit 1 of disc brake caliper 2 is by steel cable pulling drive shaft turns, and drive plate is housed on the live axle, and drive plate promotes friction plate clamping disc 8 by the kind of drive of 2～3 helicoids.The tong arm 3 interior friction plates 4 that are contained in disc brake caliper 2 are provided with follower, its back side is provided with servo-actuated inclined-plane 10, the member that is connected with friction plate 4 back sides is a tong arm 3, is provided with the groove of placing friction plate 4 in the tong arm 3, and the bottom surface of groove is the constant inclined surface 9 that cooperates with servo-actuated inclined-plane, friction plate 4 back side 10.The tangent direction of the true dip direction on servo-actuated inclined-plane 10 and disc 8 rotations is consistent, the servo-actuated lift angle α on servo-actuated inclined-plane 10,0＜α≤20 °.Return leaf spring 5 is the V shaped slab spring, and two leg 11 reverses an angle of cut mutually to two side direction, and the angle of reversing is 5～10 °, and its angle of reversing can be determined according to the servo-actuated stroke of friction plate.
Embodiment 2
Disc brake described in the foregoing description 1, the friction plate 6 that joins with drive unit 1 in the disc brake caliper 2 is provided with follower, its back side is provided with servo-actuated inclined-plane 10`, be provided with a loose flange 7 between friction plate 6 and the drive unit 1, the member that is connected with friction plate 6 back sides is a loose flange 7, and loose flange 7 is constant inclined surface 9` with the fitting surface that friction plate 6 joins.
Disc brake described in the foregoing description 1, wherein two friction plates 4,6 are provided with follower simultaneously.The tong arm 3 interior friction plates 4 that are contained in disc brake caliper 2 are provided with follower, its back side is provided with servo-actuated inclined-plane 10, the member that is connected with friction plate 4 back sides is a tong arm 3, is provided with the groove of placing friction plate 4 in the tong arm 3, and the bottom surface of groove is the constant inclined surface 9 that cooperates with servo-actuated inclined-plane, friction plate 4 back side 10.The friction plate 6 that joins with drive unit 1 in the disc brake caliper 2 is provided with follower, its back side is provided with servo-actuated inclined-plane 10`, be provided with a loose flange 7 between friction plate 6 and the drive unit 1, the member that is connected with friction plate 6 back sides is a loose flange 7, and loose flange 7 is constant inclined surface 9` with the fitting surface that friction plate 6 joins.
Claims (6)
1. mechanical type disc brake, it comprises disc brake dish (8) and brake binder two-part, brake binder is provided with disc brake caliper (2) and is connected support, two friction plates (4 are housed in the disc brake caliper (2), 6), drive unit (1) in one of them friction plate (6) and the disc brake caliper (2) joins, another friction plate (4) is contained in the tong arm (3) of disc brake caliper (2), two friction plates (4,6) be provided with return leaf spring (5) between, it is characterized in that: two friction plates (4,6) one of them is provided with follower at least in, described follower is for when friction plate and disc (8) when contacting, under frictional force action, friction plate produces follow-up shift along the direction of disc (8) rotation, described follower is for being provided with servo-actuated inclined-plane (10 at the back side of friction plate, 10`), the member that is connected with the friction plate back side is provided with and servo-actuated inclined-plane (10,10`) the constant inclined surface (9 of Pei Heing, 9`), the servo-actuated inclined-plane (10, true dip direction 10`) is consistent with the tangent direction of disc (8) rotation.
2. mechanical type disc brake according to claim 1 is characterized in that: the servo-actuated lift angle (α) of described servo-actuated inclined-plane (10,10`) greater than 0 ° smaller or equal to 20 °.
3. mechanical type disc brake according to claim 1 is characterized in that: return leaf spring (5) is the V shaped slab spring, and two leg (11) reverses an angle of cut mutually to two side direction, and the angle of reversing is 5～10 °.
4. mechanical type disc brake according to claim 1, it is characterized in that: the interior friction plate (4) of tong arm (3) that is contained in disc brake caliper (2) is provided with follower, its back side is provided with servo-actuated inclined-plane (10), be provided with the groove of placing friction plate (4) in the tong arm (3), the bottom surface of groove is the constant inclined surface (9) that cooperates with servo-actuated inclined-plane, friction plate (4) back side (10).
5. mechanical type disc brake according to claim 1, it is characterized in that: be provided with follower with the friction plate (6) that joins of drive unit (1) in the disc brake caliper (2), its back side is provided with servo-actuated inclined-plane (10`), be provided with a loose flange (7) between friction plate (6) and the drive unit (1), loose flange (7) is constant inclined surface (9`) with the fitting surface that friction plate (6) joins.
6. mechanical type disc brake according to claim 1 is characterized in that: two friction plates (4,6) are provided with follower simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041876 CN1288362C (en) | 2004-09-02 | 2004-09-02 | Mechanical disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041876 CN1288362C (en) | 2004-09-02 | 2004-09-02 | Mechanical disk brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598348A CN1598348A (en) | 2005-03-23 |
| CN1288362C true CN1288362C (en) | 2006-12-06 |
Family
ID=34665293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410041876 Expired - Fee Related CN1288362C (en) | 2004-09-02 | 2004-09-02 | Mechanical disk brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1288362C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645297A (en) * | 2014-11-18 | 2016-06-08 | 广东河海泵业机械有限公司 | Point disc brake |
| CN104895961A (en) * | 2015-06-05 | 2015-09-09 | 魏伯卿 | Anti-locking mechanical brake |
| CN111102309A (en) * | 2020-01-23 | 2020-05-05 | 米建军 | Brake enhancing method and brake device |
| CN113357291A (en) * | 2020-03-05 | 2021-09-07 | 林昌慧 | Mechanical multi-connecting-rod disc brake |
-
2004
- 2004-09-02 CN CN 200410041876 patent/CN1288362C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1598348A (en) | 2005-03-23 |
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| C14 | Grant of patent or utility model | ||
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