CN203666895U - Thread type braking device for mechanical disc brake of bicycle - Google Patents
Thread type braking device for mechanical disc brake of bicycle Download PDFInfo
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- CN203666895U CN203666895U CN201320791683.8U CN201320791683U CN203666895U CN 203666895 U CN203666895 U CN 203666895U CN 201320791683 U CN201320791683 U CN 201320791683U CN 203666895 U CN203666895 U CN 203666895U
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- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000011324 bead Substances 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002146 bilateral effect Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
The utility model relates to a thread type braking device for a mechanical disc brake of a bicycle. The thread type braking device comprises a two-shaft connecting rod. The upper end of the two-shaft connecting rod is provided with a brake cable connecting portion. The two sides of the brake cable connecting portion are respectively connected with a first shaft arm and a second shaft arm which are identical in structure. The lower end of the first shaft arm and the lower end of the second shaft arm are provided with a first shaft arm hole and a second shaft arm hole respectively. A first brake assembly and a second brake assembly which are identical in structure are installed in the first shaft arm hole and the second shaft arm hole respectively. The thread type braking device is installed in the mechanical disc brake and can achieve two-side braking, so that the disc brake does not deform easily, and a brake pad can not be worn easily; the braking effect is good, the hydraulic two-side braking effect can be achieved, oil leakage is avoided, the cost is low, the structure is simple and practical, and the effect of saving labor is achieved.
Description
Technical field
The utility model belongs to bicycle disc brakes field, relates in particular to a kind of screw-type brake equipment for bicycle mechanical disc brake.
Background technology
Bicycle disc brakes is made up of the brake gear at a braking disc being connected with wheel and disc edge. when brake, make it to clamp braking disc generation braking effect thereby promote brake facing.At present, distinguish according to the mode of braking action, or divide with the medium of start brake facing clamping disc, the one, brake cable, the one, oil.Mechanical disc brake, rubs by the brake facing in clamp and clamps disc by the pulling force of brake cable, produces braking effect.Hydraulic disc, take fluid as medium, draws brake making piston compression fluid, and pressure is from the straight-through clamp of oil pipe, thereby the piston in promotion clamp drives brake facing clamping disc.
In prior art, mechanical disc brake is one side brake.Namely only have the brake facing of can extrapolating to exert pressure, rub in disc on one side, the brake facing of another side allows both sides all produce break-in effect after pushing through with the disc on opposite.Its deficiency is: disc is easily out of shape, and brake facing easily weares and teares.
Hydraulic disc mostly is bilateral braking, allows brake facing clamp together disc from both sides.Its deficiency is: easily leakage of oil, regularly replace brake solution.
Utility model content
The purpose of this utility model is to overcome the above-mentioned weak point of existing product, and a kind of brake equipment for bicycle mechanical disc brake is provided, and this device can be realized the bilateral braking of mechanical disc brake.
The technical scheme that the utility model is realized its object employing is: a kind of screw-type brake equipment for bicycle mechanical disc brake, comprise twin shaft connecting rod, described twin shaft small end has brake cable connecting portion, and brake cable connecting portion both sides are connected with respectively the first armshaft and the second armshaft that structure is identical; The lower end of described the first armshaft and the second armshaft is respectively equipped with the first armshaft hole, the second armshaft hole; The first brake assemblies that structure is identical and the second brake assemblies are contained in respectively in the first armshaft hole and the second armshaft hole; It is characterized in that: described the first brake assemblies comprises the first stator, the first rotor, the first head part, the first snap ring; Described the first rotor is nut type structure, and the first head part is bolt type structure, and first body of bolt of the first head part is bolted in the first screw of the first rotor; The first snap ring is contained in the first inner side, armshaft hole.
Described the first spiral shell convex surface has recess, in the first snap ring, has protuberance, in the first armshaft hole, has protuberance.
Some the first steel balls are housed between the first stator steel bead groove and the first rotor steel bead groove, and the first axle part of the first rotor is contained in the first axis hole of the first stator.
Described the second brake assemblies comprises that described the first brake assemblies comprises the second stator, the second rotor, the second head part, the second snap ring; Described the second rotor is nut type structure, and the second head part is bolt type structure, and second body of bolt of the second head part is bolted in bitrochanteric the second screw; The second snap ring is contained in the second inner side, armshaft hole.
Described the second spiral shell convex surface has recess, in the second snap ring, has protuberance, in the second armshaft hole, has protuberance.
Between the second stator steel bead groove and the second rotor steel bead groove, some the second steel balls are housed, bitrochanteric the second axle part is contained in the second axis hole of the second stator.
Beneficial effect: the utility model is the device of one of them the driving brake facing in bicycle mechanical disc brake pincers, uses this device to be arranged in braking clamp and can realize bilateral braking, makes disc not yielding, and brake facing is not easy to wear.Braking effect is good.There is the bilateral braking effect of oil pressure, oil leakage phenomenon can not occur again.Its cost is low, simple and practical.The maximum feature of the utility model is to adopt steel ball to rotate, and alleviates rotor friction, laborsaving.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model STRUCTURE DECOMPOSITION schematic diagram.
The specific embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
See Fig. 1,2, a kind of screw-type brake equipment for bicycle mechanical disc brake, comprise twin shaft connecting rod (5), there is brake cable connecting portion (15) described twin shaft connecting rod (5) upper end, and brake cable connecting portion (15) both sides are connected with respectively the first armshaft (14) and the second armshaft (17) that structure is identical; Described the first armshaft (14) is respectively equipped with the first armshaft hole (16), the second armshaft hole (18) with the lower end of the second armshaft (17); The first brake assemblies that structure is identical and the second brake assemblies are contained in respectively in the first armshaft hole (16) and the second armshaft hole (18).Described the first brake assemblies comprises the first stator (1), the first rotor (3), the first head part (4), the first snap ring (27); Described the first rotor (3) is nut type structure, and the first head part (4) is bolt type structure, and first body of bolt (13) of the first head part (4) is bolted in first screw (12) of the first rotor (3); The first snap ring (27) is contained in the first inner side, armshaft hole (16);
Described the first spiral shell convex surface (24) has recess (33), in second annular distance (30) of the first snap ring (27), has protuberance (34), in the first armshaft hole (16), has protuberance (34).
Between the first stator steel bead groove (26) and the first rotor steel bead groove, some the first steel balls (2) are housed, the first axle part (11) of the first rotor (3) is contained in first axis hole (10) of the first stator (1).The first rotor steel bead groove does not draw because of visual angle relation, referring to the second identical rotor steel bead groove (25) of structure.
Described the second brake assemblies comprises that described the first brake assemblies comprises the second stator (9), the second rotor (7), the second head part (6), the second snap ring (28); Described the second rotor (7) is nut type structure, and the second head part (6) is bolt type structure, and second body of bolt (20) of the second head part (6) is bolted in second screw (22) of the second rotor (7); The second snap ring (28) is contained in the second inner side, armshaft hole (18).
Described the second spiral shell convex surface (19) has recess (33), in second annular distance (31) of the second snap ring (28), has protuberance (34), in the second armshaft hole (18), has protuberance (34).
Between the second stator steel bead groove and the second rotor steel bead groove (25), some the second steel balls (8) are housed, the second axle part (21) of the second rotor (7) is contained in second axis hole (23) of the second stator (9).The second stator steel bead groove does not draw because of visual angle relation, referring to the first identical stator steel bead groove (26) of structure.
The present invention is not a complete mechanical disc brake, is the assembly of a driving brake facing in mechanical disc brake.The present invention is metallic material.
The first stator (1), the first snap ring (27) and the second stator (9), the second snap ring (28) are to be fixed in the housing of bicycle mechanical disc brake, the first head part (4) is fixed with respectively brake facing with the second head part (6) inside face, when use, braking disc is provided in a side of between two brake facings.
Brake cable connecting portion (15) connects brake cable, and in the time pulling brake cable, twin shaft connecting rod rotates, and drives the first rotor and the second rotor to rotate, and the first stator and the second stator are fixed.
Under the effect of screw thread, the first head part and the second head part move inward, and drive brake facing to press braking disc.
Explain with the first brake assemblies: when twin shaft connecting rod rotates and drives the first rotor to rotate, some the first steel balls are housed between the first stator steel bead groove and the first rotor steel bead groove, alleviate the first rotor friction.Because the first spiral shell convex surface has recess, in the first armshaft hole, have protuberance, the first head part can only axial motion, thus when the first head part moves inward through the first annular distance of the first snap ring, because the first annular distance has protuberance, the first head part axial motion also drives brake facing to press braking disc.
Bicycle mechanical disc brake concrete structure can be with reference to Chinese Patent Application No. 2013104665762, and name is called the patent application of " the two braking of bicycle mechanical disc brake ".
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
Claims (1)
1. the screw-type brake equipment for bicycle mechanical disc brake, comprise twin shaft connecting rod (5), there is brake cable connecting portion (15) described twin shaft connecting rod (5) upper end, and brake cable connecting portion (15) both sides are connected with respectively the first armshaft (14) and the second armshaft (17) that structure is identical; Described the first armshaft (14) is respectively equipped with the first armshaft hole (16), the second armshaft hole (18) with the lower end of the second armshaft (17); The first brake assemblies that structure is identical and the second brake assemblies are contained in respectively in the first armshaft hole (16) and the second armshaft hole (18); It is characterized in that: described the first brake assemblies comprises the first stator (1), the first rotor (3), the first head part (4), the first snap ring (27); Described the first rotor (3) is nut type structure, and the first head part (4) is bolt type structure, and first body of bolt (13) of the first head part (4) is bolted in first screw (12) of the first rotor (3); The first snap ring (27) is contained in the first inner side, armshaft hole (16);
Described the first spiral shell convex surface (24) has recess (33), has protuberance (34) in the first snap ring (27), in the first armshaft hole (16), has protuberance (34);
Between the first stator steel bead groove (26) and the first rotor steel bead groove, some the first steel balls (2) are housed, the first axle part (11) of the first rotor (3) is contained in first axis hole (10) of the first stator (1);
Described the second brake assemblies comprises that described the first brake assemblies comprises the second stator (9), the second rotor (7), the second head part (6), the second snap ring (28); Described the second rotor (7) is nut type structure, and the second head part (6) is bolt type structure, and second body of bolt (20) of the second head part (6) is bolted in second screw (22) of the second rotor (7); The second snap ring (28) is contained in the second inner side, armshaft hole (18);
Described the second spiral shell convex surface (19) has recess (33), has protuberance (34) in the second snap ring (28), in the second armshaft hole (18), has protuberance (34);
Between the second stator steel bead groove and the second rotor steel bead groove (25), some the second steel balls (8) are housed, the second axle part (21) of the second rotor (7) is contained in second axis hole (23) of the second stator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791683.8U CN203666895U (en) | 2013-12-05 | 2013-12-05 | Thread type braking device for mechanical disc brake of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791683.8U CN203666895U (en) | 2013-12-05 | 2013-12-05 | Thread type braking device for mechanical disc brake of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666895U true CN203666895U (en) | 2014-06-25 |
Family
ID=50963215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320791683.8U Withdrawn - After Issue CN203666895U (en) | 2013-12-05 | 2013-12-05 | Thread type braking device for mechanical disc brake of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661752A (en) * | 2013-12-05 | 2014-03-26 | 黄国政 | Thread type braking device used for mechanical disk brake of bicycle |
-
2013
- 2013-12-05 CN CN201320791683.8U patent/CN203666895U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661752A (en) * | 2013-12-05 | 2014-03-26 | 黄国政 | Thread type braking device used for mechanical disk brake of bicycle |
| CN103661752B (en) * | 2013-12-05 | 2015-11-25 | 黄国政 | For the screw-type brake equipment of bicycle mechanical disc brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |