CN102555669A - Bicycle hub structure with braking function - Google Patents
Bicycle hub structure with braking function Download PDFInfo
- Publication number
- CN102555669A CN102555669A CN2011104294458A CN201110429445A CN102555669A CN 102555669 A CN102555669 A CN 102555669A CN 2011104294458 A CN2011104294458 A CN 2011104294458A CN 201110429445 A CN201110429445 A CN 201110429445A CN 102555669 A CN102555669 A CN 102555669A
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- brake
- clutch
- shell body
- fixed arm
- hub shell
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Abstract
The invention provides a bicycle hub structure with a braking function. The bicycle hub structure comprises an axis, a hub shell, a driving spiral, a gear, a fixed arm, a brake cone, a brake pad, a clutch cup and a cam disc, wherein the other side of the axis is fixedly provided with the fixed arm, the fixed arm is fixedly connected with the brake cone, one side of the hub shell is installed on the brake cone through a third ball rack, the inner wall of one side of the brake pad is matched with a conical section, the inner wall of the other side of the brake pad is unidirectionally and rotatably installed on one side of the clutch cup, the clutch cup is rotatably sleeved on the axis, one end of the clutch cup is matched with the cam disc, and the cam disc is rotatably sleeved on the other side of the driving spiral in the hub shell. The invention provides a bicycle hub structure with the braking function, which has a simplified structure and can reduce the cost and improve the brake performance.
Description
Technical field
The invention belongs to a kind of bicycle hub.
Background technology
Common bicycle hub is what to separate with brake; Floral disc is generally all riveted over through the riveted operation, and brake facing is installed on the colored hub, and brake facing needs manual assembly of brake of assembling in addition to realize control; The defective that exists is: increased the manual assembly of brake; Complex structure, cost are higher, and in addition, braking quality is relatively poor.
Summary of the invention
In order to overcome the deficiency that complex structure, cost are higher, braking quality is relatively poor of existing bicycle hub, the present invention provides the bicycle pattern hub structure of the belt brake of a kind of simplified structure, cost-cutting, lifting braking quality.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bicycle pattern hub structure of belt brake comprises axle center, hub shell body, drives spiral and gear, and said hub shell body one side is installed in through first ball-collecting rack and drives on the spiral; One side of said driving spiral is installed gear, and said driving spiral is installed on the axle bumper through second ball-collecting rack, and said axle bumper is fixedly mounted on the side in said axle center; Said bicycle pattern hub structure also comprises fixed arm, braking cone, brake facing, clutch bowl and face cam; The opposite side in said axle center fixedly mounts said fixed arm, and said fixed arm is captiveed joint with said braking cone, and a side of said hub shell body is installed on the said braking cone through the 3rd ball-collecting rack; The end that said braking cone stretches into said hub shell body is a conical section; The external diameter of said conical section reduces along stretching into direction gradually, between the inwall of said conical section and said hub shell body brake facing is installed, and a side inwall of said brake facing cooperates with said conical section; But be installed on the side of clutch bowl to the opposite side inwall unidirectional rotation of said brake facing; Said clutch bowl is sleeved on the axle center rotationally, and clutch copper frame and roundlet tube roller are fixedly mounted on the said clutch bowl, has the little notch that supplies said roundlet tube roller expanding-contracting action on the said clutch copper frame; The width of said little notch is littler than the diameter of said roundlet tube roller; The opposite side of said clutch bowl is cylindrical, and said columniform outer wall is provided with at least two tangential sections, and said roundlet tube roller is positioned on the said tangential section; One end of said clutch bowl is provided with and is first cam structure; Said first cam mechanism comprises the arcwall that is the reverse symmetry setting; Said arcwall comprises low flat segments, segmental arc and high flat segments; Said low flat segments is connected with the downside of said segmental arc, and the high side of said segmental arc is connected with said high flat segments; One end of said clutch bowl cooperates with said face cam; The other end of said face cam is provided with second cam mechanism with the said first cam mechanism interlock; Said face cam is sleeved on said driving spiral rotationally and is positioned on the opposite side of hub shell body; Be furnished with at least two axial convex tendons on said driving spiral outer wall one circle, have the big notch that supplies large cylinder roller expanding-contracting action on the said face cam, said large cylinder roller is positioned at said big notch; The width of said big notch is littler than the diameter of said large cylinder roller, and said large cylinder roller is near said axial convex tendon.
Further, the outer wall of said brake facing is provided with circular groove, and the brake facing jump ring is installed in the said circular groove.
Further again, said fixed plate, screw and anticreep spiro cap are contained on the fixed arm.
Further, said braking cone is installed the brake cover of dust outward.
The both sides in said axle center are equipped with thread segment, and nut is installed on the thread segment in axle center, and the nut of a side is captiveed joint with said axle bumper, and the nut of opposite side is captiveed joint with fixed arm through the bite-block sheet is arranged.
Technical conceive of the present invention is: bicycle hub provided by the invention, and be fixed on gear piece and drive on the spiral, with just the advancing, slide, brake of may command bicycle of pin, and brake property is very superior.
Beneficial effect of the present invention mainly shows: simplified structure, cost-cutting, lifting braking quality.
Description of drawings
Fig. 1 is the constructional drawing of the bicycle pattern hub structure of belt brake.
Fig. 2 is the clutch bowl of mode of operation and the cooperation scheme drawing of face cam.
Fig. 3 is the clutch bowl of braking state and the cooperation scheme drawing of face cam.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to Fig. 1～Fig. 3, a kind of bicycle pattern hub structure of belt brake comprises axle center 1, hub shell body 8, drives spiral 18 and gear 21; Said hub shell body 8 one sides are installed in through first ball-collecting rack and drive on the spiral 18; One side of said driving spiral 18 is installed gear 21, and said driving spiral 18 is installed on the axle bumper 24 through second ball-collecting rack 20, and said axle bumper 24 is fixedly mounted on the side in said axle center 1; Said bicycle pattern hub structure also comprises fixed arm 4, braking cone 6, brake facing 9, clutch bowl 15 and face cam 16; The opposite side in said axle center 1 fixedly mounts said fixed arm 4, and said fixed arm 4 is captiveed joint with said braking cone 6, and a side of said hub shell body 8 is installed on the said braking cone 6 through the 3rd ball-collecting rack 7; The end that said braking cone 6 stretches into said hub shell body is a conical section; The external diameter of said conical section reduces along stretching into direction gradually, and brake facing 9 is installed between the inwall of said conical section and said hub shell body 8, and a side inwall of said brake facing 9 cooperates with said conical section; But be installed on the side of clutch bowl 15 to the opposite side inwall unidirectional rotation of said brake facing 9; Said clutch bowl 15 is sleeved on the axle center 1 rotationally, and clutch copper frame 13 is fixedly mounted on the said clutch bowl 15 with roundlet tube roller 14, has the little notch that supplies said roundlet tube roller 14 expanding-contracting actions on the said clutch copper frame 13; The width of said little notch is littler than the diameter of said roundlet tube roller; The opposite side of said clutch bowl 15 is cylindrical, and said columniform outer wall is provided with at least two tangential sections, and said roundlet tube roller 14 is positioned on the said tangential section; One end of said clutch bowl 15 is provided with and is first cam structure; Said first cam mechanism comprises the arcwall that is the reverse symmetry setting; Said arcwall comprises low flat segments, segmental arc and high flat segments; Said low flat segments is connected with the downside of said segmental arc, and the high side of said segmental arc is connected with said high flat segments; One end of said clutch bowl 15 cooperates with said face cam 16; The other end of said face cam 16 is provided with second cam mechanism with the said first cam mechanism interlock; Said face cam 16 is sleeved on said driving spiral 18 rotationally and is positioned on the opposite side of hub shell body; Be furnished with at least two axial convex tendons on said driving spiral 18 outer walls one circle, have the big notch that supplies large cylinder roller expanding-contracting action on the said face cam 16, said large cylinder roller 17 is positioned at said big notch; The width of said big notch is littler than the diameter of said large cylinder roller, and said large cylinder roller is near said axial convex tendon.
The outer wall of said brake facing 9 is provided with circular groove, and brake facing jump ring 10 is installed in the said circular groove.Said fixed plate 28, screw 29 and anticreep nut 30 are sleeved on the fixed arm 4.The said braking cone 6 outer brake cover of dusts 5 of installing.The both sides in said axle center 1 are equipped with thread segment, and nut 2,25 is installed on the thread segment in axle center, and the nut 25 of a side is captiveed joint with said axle bumper 24, and the nut 2 of opposite side is captiveed joint with fixed arm 4 through bite-block sheet 3 is arranged.
The bicycle pattern hub structure of the belt brake of present embodiment comprises axle center 1, nut 2, bite-block sheet 3 is arranged, fixed arm 4, brake cover of dust 5, braking cone 6, the 3rd ball-collecting rack 7, hub shell body 8, brake facing 9, brake facing jump ring 10, little clutch jump ring 11, little clutch packing ring 12, clutch copper frame 13, roundlet tube roller 14, clutch bowl 15, face cam 16, large cylinder roller 17, drives spiral 18, drives and revolve cover of dust 19, second ball-collecting rack 20, gear 21, gear locking plate 22, drive cover of dust 23, axle bumper 24, nut 25, additional pad 26, positioning screw cap 27, fixed plate 28, screw 29, anticreep nut 30.Said nut 2; Bite-block sheet 3 is arranged; Fixed arm 4; Brake cover of dust 5; Braking cone 6; The 3rd ball-collecting rack 7; Hub shell body 8; Brake facing 9; Brake facing jump ring 10; Clutch jump ring 11; Clutch packing ring 12; Clutch copper frame 13; Roundlet tube roller 14; Clutch bowl 15; Face cam 16; Large cylinder roller 17; Drive spiral 18; Drive and revolve cover of dust 19; Second ball-collecting rack 20; Gear 21; Gear locking plate 22; Drive cover of dust 23; Axle bumper 24; Nut 25; Additional pad 26 all is sleeved on the said axle center from left to right; Gear 21 is installed in and drives on the spiral 18, and is fixing with gear locking plate 22.
Said hub shell body 8 is iron integrated punching moulding, with floral disc be one.
Said clutch copper frame 13, roundlet tube roller 14, little clutch packing ring 12, little clutch jump ring 11 are fixedly mounted on the said clutch bowl 15; Said brake facing 9 cards one end can be fastened on the braking cone 6; Said brake facing 9 outer ends are fixed with said brake facing jump ring 10; But said brake facing 9 foldings, but said brake facing folding.
Said fixed arm 4 is fixedly mounted on the cycle frame; Said braking cone 6 cooperates with said hub shell body 8 through said the 3rd ball-collecting rack 7; Under said brake facing 7 closure states; Can smooth and easyly rotate, said braking cone 6 is realized fastening with said hub shell body 8 through said brake facing 7 under brake facing 7 open configurations.
Said clutch copper frame 13, roundlet tube roller 14, little clutch packing ring 12, little clutch jump ring 11 are fixedly mounted on the said clutch bowl 15; Said brake facing 9 outer ends are fixing with said brake facing jump ring 10, but said mounted clutch bowl 15 unidirectional rotation be sleeved in the said brake facing 9.In the said brake facing 9 screw thread is arranged, can cooperate with said mounted clutch bowl 15, said clutch bowl 15 can be clockwise in said brake facing, and is irreversible.
Said face cam 16, large cylinder roller 17, clutch jump ring can be fixedly mounted on the said driving spiral 18.Be furnished with at least two axial convex tendons on said driving spiral 18 outer walls one circle, said face cam 16 is installed on the outer said driving spiral 18 of axial convex tendon; When said driving spiral 18 was clockwise, said large cylinder roller 17 arrived on the axial convex tendon of said driving spiral, engaged with said hub shell body 8, thereby drove the rotation of whole flower-drum.
Said mounted clutch bowl 15 can be sleeved in the said brake facing 9; Can be clockwise; Irreversible; Said face cam 16, large cylinder roller 17, clutch jump ring can be fixedly mounted on the said driving spiral, and said clutch bowl 15 can cooperate with said face cam 16: said driving spiral 18 is provided with second cam mechanism, the first cam mechanism interlock of said second cam mechanism and clutch bowl 15; Said first cam mechanism comprises the arcwall that is the reverse symmetry setting, and said arcwall comprises low flat segments, segmental arc and high flat segments, and said low flat segments is connected with the downside of said segmental arc, and the high side of said segmental arc is connected with said high flat segments;
When said driving spiral 18 was clockwise, said clutch bowl 15 can be clockwise, and brake facing 9 closures can smooth and easyly be rotated; When said driving spiral 18 reversed, said clutch bowl 15 was irreversible and move right, and said brake facing 9 opens, and with said hub shell body 8 fastenings, plays braking action.
Claims (5)
1. the bicycle pattern hub structure of a belt brake comprises axle center, hub shell body, drives spiral and gear, and said hub shell body one side is installed in through first ball-collecting rack and drives on the spiral; One side of said driving spiral is installed gear, and said driving spiral is installed on the axle bumper through second ball-collecting rack, and said axle bumper is fixedly mounted on the side in said axle center; It is characterized in that: said bicycle pattern hub structure also comprises fixed arm, braking cone, brake facing, clutch bowl and face cam; The opposite side in said axle center fixedly mounts said fixed arm, and said fixed arm is captiveed joint with said braking cone, and a side of said hub shell body is installed on the said braking cone through the 3rd ball-collecting rack; The end that said braking cone stretches into said hub shell body is a conical section; The external diameter of said conical section reduces along stretching into direction gradually, between the inwall of said conical section and said hub shell body brake facing is installed, and a side inwall of said brake facing cooperates with said conical section; But be installed on the side of clutch bowl to the opposite side inwall unidirectional rotation of said brake facing; Said clutch bowl is sleeved on the axle center rotationally, and clutch copper frame and roundlet tube roller are fixedly mounted on the said clutch bowl, has the little notch that supplies said roundlet tube roller expanding-contracting action on the said clutch copper frame; The width of said little notch is littler than the diameter of said roundlet tube roller; The opposite side of said clutch bowl is cylindrical, and said columniform outer wall is provided with at least two tangential sections, and said roundlet tube roller is positioned on the said tangential section; One end of said clutch bowl is provided with and is first cam structure; Said first cam mechanism comprises the arcwall that is the reverse symmetry setting; Said arcwall comprises low flat segments, segmental arc and high flat segments; Said low flat segments is connected with the downside of said segmental arc, and the high side of said segmental arc is connected with said high flat segments; One end of said clutch bowl cooperates with said face cam; The other end of said face cam is provided with second cam mechanism with the said first cam mechanism interlock; Said face cam is sleeved on said driving spiral rotationally and is positioned on the opposite side of hub shell body; Be furnished with at least two axial convex tendons on said driving spiral outer wall one circle, have the big notch that supplies large cylinder roller expanding-contracting action on the said face cam, said large cylinder roller is positioned at said big notch; The width of said big notch is littler than the diameter of said large cylinder roller, and said large cylinder roller is near said axial convex tendon.
2. the bicycle pattern hub structure of belt brake as claimed in claim 1, it is characterized in that: the outer wall of said brake facing is provided with circular groove, and the brake facing jump ring is installed in the said circular groove.
3. according to claim 1 or claim 2 the bicycle pattern hub structure of belt brake, it is characterized in that: said fixed plate, screw and anticreep spiro cap are contained on the fixed arm.
4. according to claim 1 or claim 2 the bicycle pattern hub structure of belt brake, it is characterized in that: said braking cone is installed the brake cover of dust outward.
5. according to claim 1 or claim 2 the bicycle pattern hub structure of belt brake; It is characterized in that: the both sides in said axle center are equipped with thread segment; Nut is installed on the thread segment in axle center; The nut of one side is captiveed joint with said axle bumper, and the nut of opposite side is captiveed joint with fixed arm through the bite-block sheet is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429445.8A CN102555669B (en) | 2011-12-20 | 2011-12-20 | Bicycle hub structure with braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429445.8A CN102555669B (en) | 2011-12-20 | 2011-12-20 | Bicycle hub structure with braking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102555669A true CN102555669A (en) | 2012-07-11 |
| CN102555669B CN102555669B (en) | 2014-04-30 |
Family
ID=46402798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110429445.8A Expired - Fee Related CN102555669B (en) | 2011-12-20 | 2011-12-20 | Bicycle hub structure with braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102555669B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129711A (en) * | 1991-08-20 | 1992-07-14 | Chen Kun Ten | Bicycle free-wheel |
| TW200916340A (en) * | 2007-10-12 | 2009-04-16 | Chosen Co Ltd | Bicycle rear hub structure |
| CN101434282A (en) * | 2007-11-18 | 2009-05-20 | 刘运柳 | Hub with brake function |
| CN201511759U (en) * | 2009-06-17 | 2010-06-23 | 宁波威玛斯车业有限公司 | Novel disc brake-type bicycle hub |
-
2011
- 2011-12-20 CN CN201110429445.8A patent/CN102555669B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129711A (en) * | 1991-08-20 | 1992-07-14 | Chen Kun Ten | Bicycle free-wheel |
| TW200916340A (en) * | 2007-10-12 | 2009-04-16 | Chosen Co Ltd | Bicycle rear hub structure |
| CN101434282A (en) * | 2007-11-18 | 2009-05-20 | 刘运柳 | Hub with brake function |
| CN201511759U (en) * | 2009-06-17 | 2010-06-23 | 宁波威玛斯车业有限公司 | Novel disc brake-type bicycle hub |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102555669B (en) | 2014-04-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141220 |
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| EXPY | Termination of patent right or utility model |