CN105015695A - Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure - Google Patents
Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure Download PDFInfo
- Publication number
- CN105015695A CN105015695A CN201510464480.1A CN201510464480A CN105015695A CN 105015695 A CN105015695 A CN 105015695A CN 201510464480 A CN201510464480 A CN 201510464480A CN 105015695 A CN105015695 A CN 105015695A
- Authority
- CN
- China
- Prior art keywords
- tooth
- monolithic
- spline
- assembly structure
- cone pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Gears, Cams (AREA)
Abstract
The invention relates to the field of variable speed bicycles, in particular to a light large-torque high-rigidity variable speed bicycle chain wheel assembly structure. The light large-torque high-rigidity variable speed bicycle chain wheel assembly structure comprises an integral stepped pulley, a single-piece tooth and a supporting cylinder. The supporting cylinder is installed between the integral stepped pulley and the single-piece tooth. A plurality of different-radius layer teeth of the integral stepped pulley are integrally connected layer by layer to form a hollow tower model. The sides, close to the single-piece tooth, of the inner side layer teeth are provided with protruding teeth. Tooth holes corresponding to the protruding teeth are formed in the single-piece tooth. The protruding teeth are in interference connection with the tooth holes in the single-piece tooth. The inner diameter portion of the single-piece tooth and the inner diameter portion of the smallest layer tooth of the integral stepped pulley are provided with a single-piece tooth inner spline and a stepped pulley inner spline. The light large-torque high-rigidity variable speed bicycle chain wheel assembly structure can be light on the premise of ensuring the structural strength, rigidity and large transmission torque of a chain wheel.
Description
Technical field
The present invention relates to variable speed bicycle field, be specifically related to a kind of lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure.
Background technology
Lightweight, high strength are the eternal theme that current bicycle and even all vehicle are pursued.Present stage, cycle frame mainly realizes loss of weight by the application of high performance material or Optimal Structure Designing and improves intensity.In the application of high performance material aspect, at present, existing common mountain vehicle carriage, wheel etc. are adopt the manufacture of 6XXX line aluminium alloy section bar substantially, and High Performance mountain bike adopts carbon fiber manufacture mostly.The light intensity of carbon fiber quality is high, but expensive; Magnesium alloy limits its development because of the reason of intensity and corrosion guard; Thus aluminum alloy obtains and applies widely.But, because the application of high performance material on bicycle is highly stable, make the performance for promoting intensity and quality aspect quite limited by high performance material, apply other high performance materials to the actual weight loss effect of bicycle and intensity effect not obvious.
In bicycle structure, after existing chain of speed-changing bicycle mostly is multi-disc punching press, closed assembly is riveted together again, and the usual production technology of this product structure is good, and cost is lower, but there are two subject matters: one is that quality is comparatively large, usually about 350g to 450g; Two is that teeth portion rigidity causes rigidity less because of riveted joint.
For the problems referred to above, the present invention, by the Optimal Structure Designing of sprocket wheel, devises a kind of lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure, under being intended to the prerequisite of the structural strength of guarantee sprocket wheel, rigidity and transmitting large torque, reduce sprocket wheel quality, implementation structure lightweight.
Summary of the invention
The object of this invention is to provide a kind of lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure, under the prerequisite ensureing the structural strength of sprocket wheel, rigidity and transmitting large torque, implementation structure lightweight; Comparatively large to solve the existing chain of speed-changing bicycle architecture quality proposed in background technology, and the technical matters that teeth portion rigidity is less.
For solving its technical matters the technical solution adopted in the present invention be: a kind of lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure, comprise integral type cone pulley 1, monolithic tooth 2 and support tube 3, support tube 3 is arranged between integral type cone pulley 1 and monolithic tooth 2;
It is characterized in that: integral type cone pulley 1 comprises layer tooth 11 and double wedge 12, the layer tooth 11 of multiple different radii layer by layer entirety is connected to form middle void tower type, nearly monolithic tooth 2 side of la m tooth 11 is distributed with double wedge 12, monolithic tooth 2 is distributed with the perforation 21 corresponding with double wedge 12, double wedge 12 carries out interference with the perforation 21 on monolithic tooth 2 and is connected, and the internal diameter of the inner radius of monolithic tooth 2 and the smallest tier tooth 11 of integral type cone pulley 1 is provided with monolithic tooth female splines 23 and cone pulley female splines 13.
Optimize as concrete further, described monolithic tooth 2 is provided with the broadening ring 22 of spline with the junction of support tube 3, and the spline in the broadening ring of spline 22 is identical with the spline of monolithic tooth female splines 23.
Optimize as concrete further, the broadening ring 22 of described spline is flange with the connection mode of monolithic tooth 2, welds or riveted joint.
Optimize as concrete further, the thickness of described monolithic tooth 2 is 2mm to 4mm, and the width of the broadening ring 22 of described spline is 2mm to 10mm, and the thickness of the broadening ring 22 of spline is 3mm to 10mm.
Optimize as concrete further, described double wedge 12 is carrying out also will carrying out while interference is connected welding or boning with the perforation 21 on monolithic tooth 2, and double wedge 12 and monolithic tooth 2 are linked as a high strength monolithic.
Optimize as concrete further, described integral type cone pulley 1 and monolithic tooth 2 are that build-up type is connected or field weld formula connects respectively with the junction of support tube 3.
Optimize as concrete further, described integral type cone pulley 1 is integrated member.
Beneficial effect: the present invention is by the Optimal Structure Designing of sprocket assemblies, the speed variable chain wheel structure that closed assembly after traditional multi-disc punching press is riveted again is designed to riveted joint or the welding of integral type cone pulley 1 and monolithic tooth 2, its integral type cone pulley 1 is overall manufacture, its integral type cone pulley 1, under the prerequisite ensureing the structural strength of sprocket wheel, rigidity and transmitting large torque, make the total mass of sprocket wheel reduce 100g to 300g, there are very strong comparative advantages in lightweight.
Accompanying drawing explanation
Fig. 1 is integral type cone pulley forward sight perspective view in the embodiment of the present invention two.
Fig. 2 is integral type cone pulley forward sight perspective view in the embodiment of the present invention three.
Fig. 3 is the side cross-sectional structural representation of integral type cone pulley in the embodiment of the present invention two.
Fig. 4 is monolithic toothing schematic diagram of the present invention.
Fig. 5 is welded structure schematic diagram after the assembling of support tube in the present invention program one.
Fig. 6 is the assembly connection structural representation of support tube in the present invention program two;
Fig. 7 is double wedge of the present invention and perforation mounting structure schematic diagram;
Fig. 8 is the welded structure schematic diagram of the broadening ring of spline and monolithic tooth in the present invention program one;
Fig. 9 is the riveted structure schematic diagram of the broadening ring of spline and monolithic tooth in the present invention program two;
Figure 10 is the overall flange connection structure schematic diagram of the broadening ring of spline and monolithic tooth in the present invention program two;
In figure: 1 be integral type cone pulley, 2 be monolithic tooth, 3 be support tube, 4 be weld nugget, 11 be layer tooth, 12 be double wedge, 13 be cone pulley female splines, 14 be hollow hole, 21 be perforation, 22 be the broadening ring of spline, 23 for monolithic tooth female splines.
Detailed description of the invention
Further illustrate with reference to accompanying drawing and realize embodiments of the present invention (as shown in Figures 1 to 10):
Scheme one: a kind of lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure, comprise integral type cone pulley 1, monolithic tooth 2 and support tube 3, support tube 3 is arranged between integral type cone pulley 1 and monolithic tooth 2; Integral type cone pulley 1 comprises layer tooth 11 and double wedge 12, the layer tooth 11 of multiple different radii layer by layer entirety is connected to form middle void tower type, nearly monolithic tooth 2 side of the la m tooth 11 of integral type cone pulley 1 is distributed with double wedge 12, monolithic tooth 2 is distributed with the perforation 21 corresponding with double wedge 12, double wedge 12 carries out interference with the perforation 21 on monolithic tooth 2 and is connected, and the inner radius of the inner radius of monolithic tooth 2 and the outside layer tooth 11 of integral type cone pulley 1 is provided with monolithic tooth female splines 23 and cone pulley female splines 13; Monolithic tooth 2 is provided with the broadening ring 22 of spline with the junction of support tube 3, and the spline in the broadening ring of spline 22 is identical with the spline of monolithic tooth female splines 23; Double wedge 12 is carrying out also welding while interference is connected with the perforation 21 on monolithic tooth 2, and double wedge 12 and monolithic tooth 2 are linked as a high strength monolithic.
Concrete optimization as the present invention program one embodiment:
The connection mode of the broadening ring 22 of described spline and monolithic tooth 2 is for welding; The thickness t of monolithic tooth 2 is 3mm, and the width h1 of the broadening ring 22 of spline is 6mm, and the thickness a of the broadening ring 22 of spline is 5mm; Described integral type cone pulley 1 and monolithic tooth 2 are provided with weld nugget 4 with the junction of support tube 3 respectively, and its junction is by welding after assembling; Integral type cone pulley 1 and monolithic tooth 2 adopt the manufacture of alloy steel material, and integral type cone pulley and monolithic tooth connection mode are for bond; Integral type cone pulley 1 is integrated member, and cone pulley speed change adds up to 10 kinds.
By the product that the embodiment of embodiment one manufactures, after whole sprocket wheel has assembled, be weighed as 208g, more long-time test run, load moment of torsion 100N*m to 250N*m, repeatedly speed change is rapid and smooth-going, and running 20000km is without exception continuously; The sprocket wheel that this embodiment manufactures, its structural strength, rigidity and transmitting large torque all can keep better level, and its quality is compared with little about the 160g of the sprocket wheel of conventional confguration.
Embodiment two: be with embodiment one difference: the connection mode of the broadening ring 22 of described spline and monolithic tooth 2 is for rivet; The thickness t of monolithic tooth 2 is 3mm, and the width h1 of the broadening ring 22 of spline is 6mm, and the thickness a of the broadening ring 22 of spline is 8mm; Described integral type cone pulley 1 and monolithic tooth 2 are that build-up type is connected with the junction of support tube 3 respectively;
By the product that the embodiment of embodiment two manufactures, after whole sprocket wheel has assembled, be weighed as 213g, more long-time test run, load moment of torsion 100N*m to 250N*m, repeatedly speed change is rapid and smooth-going, and running 20000km is without exception continuously; The sprocket wheel that this embodiment manufactures, its structural strength, rigidity and transmitting large torque all can keep better level, and its quality is compared with little about the 160g of the sprocket wheel of conventional confguration.
Embodiment three: be with embodiment one difference: described integral type cone pulley 1 and monolithic tooth weld being connected double wedge position; The thickness t of monolithic tooth 2 is 2.5mm, and the width h1 of the broadening ring 22 of spline is 8mm, and the thickness a of the broadening ring 22 of spline is 4mm.
By the product that the embodiment of embodiment three manufactures, after whole sprocket wheel has assembled, be weighed as 202g, more long-time test run, load moment of torsion 100N*m to 250N*m, repeatedly speed change is rapid and smooth-going, and running 20000km is without exception continuously; The sprocket wheel that this embodiment manufactures, its structural strength, rigidity and transmitting large torque all can keep better level, and its quality is compared with little about the 170g of the sprocket wheel of conventional confguration.
Embodiment four: be with embodiment two difference: the broadening ring of described spline and monolithic tooth connection mode are for welding, and the thickness t of monolithic tooth 2 is 2.5mm, and the width h1 of the broadening ring 22 of spline is 10mm, and the thickness a of the broadening ring 22 of spline is 5mm.
By the product that the embodiment of embodiment four manufactures, after whole sprocket wheel has assembled, be weighed as 215g, more long-time test run, load moment of torsion 100N*m to 280N*m, repeatedly speed change is rapid and smooth-going, and running 20000km is without exception continuously; The sprocket wheel that this embodiment manufactures, its structural strength, rigidity and transmitting large torque all can keep better level, and its quality is compared with little about the 160g of the sprocket wheel of conventional confguration.
Embodiment five: be with embodiment two difference: the broadening ring of described spline 22 and the connection mode of monolithic tooth 2 are that overall flanging type is connected, the broadening ring 22 of its spline is the turnup structure of monolithic tooth 2, spline broadening ring beam overall 12mm, thickness 3mm
By the product that the embodiment of embodiment five manufactures, after whole sprocket wheel has assembled, be weighed as 205g, more long-time test run, load moment of torsion 100N*m to 280N*m, repeatedly speed change is rapid and smooth-going, and running 20000km is without exception continuously; The sprocket wheel that this embodiment manufactures, its structural strength, rigidity and transmitting large torque all can keep better level, and its quality is compared with little about the 165g of the sprocket wheel of conventional confguration.
Claims (7)
1. a lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure, comprise integral type cone pulley (1), monolithic tooth (2) and support tube (3), support tube (3) is arranged between integral type cone pulley (1) and monolithic tooth (2); It is characterized in that: nearly monolithic tooth (2) side of integral type cone pulley la m tooth (11) is distributed with double wedge (12), monolithic tooth (2) is distributed with the perforation (21) corresponding with double wedge (12), double wedge (12) carries out interference with the perforation (21) on monolithic tooth (2) and is connected, and the internal diameter of the inner radius of monolithic tooth (2) and the smallest tier tooth (11) of integral type cone pulley (1) is provided with monolithic tooth female splines (23) and cone pulley female splines (13).
2. lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure according to claim 1, it is characterized in that: described monolithic tooth (2) is provided with the broadening ring of spline (22) with the junction of support tube (3), and the spline in the broadening ring of spline (22) is identical with the spline of monolithic tooth female splines (23).
3. lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure according to claim 2, is characterized in that: the broadening ring of described spline (22) is flange with the connection mode of monolithic tooth, welds or riveted joint.
4. lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure according to claim 2, it is characterized in that: the thickness of described monolithic tooth (2) is 2mm to 4mm, the width of the broadening ring of described spline (22) is 2mm to 10mm, and the thickness of the broadening ring of spline (22) is 3mm to 10mm.
5. lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure according to claim 1 and 2, it is characterized in that: described double wedge (12) is carrying out also will carrying out while interference is connected welding or boning with the perforation (21) on monolithic tooth (2), double wedge (12) and monolithic tooth (2) are linked as a high strength monolithic.
6. lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure according to claim 1 and 2, is characterized in that: described integral type cone pulley (1) is integrated member.
7. lightweight high pulling torque high rigidity chain of speed-changing bicycle assembly structure according to claim 5, is characterized in that: described integral type cone pulley (1) and monolithic tooth (2) are that build-up type is connected or field weld formula connects respectively with the junction of support tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464480.1A CN105015695A (en) | 2015-07-22 | 2015-07-22 | Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464480.1A CN105015695A (en) | 2015-07-22 | 2015-07-22 | Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105015695A true CN105015695A (en) | 2015-11-04 |
Family
ID=54406093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510464480.1A Pending CN105015695A (en) | 2015-07-22 | 2015-07-22 | Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105015695A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017198133A1 (en) * | 2016-05-17 | 2017-11-23 | 郑潇然 | Speed-changing sprocket for bicycle |
| WO2018041409A1 (en) * | 2016-08-30 | 2018-03-08 | Rotor Componentes Tecnológicos, S.L. | Bicycle rear sprocket assembly |
| CN107839833A (en) * | 2017-11-22 | 2018-03-27 | 湖南耐特材料科技有限公司 | A kind of disc and the rigidly connected speed variable chain wheel structure of cylinder muscle |
| CN107878666A (en) * | 2017-12-05 | 2018-04-06 | 湖南耐特材料科技有限公司 | A kind of integrative-structure and speed-changing chain of disc and wheel hub |
| CN107972802A (en) * | 2017-12-05 | 2018-05-01 | 湖南耐特材料科技有限公司 | The assembling structure and speed-changing chain of a kind of gear ring and turriform cylinder |
| CN108372901A (en) * | 2018-02-06 | 2018-08-07 | 湖南耐特材料科技有限公司 | A kind of riveting integral type flywheel |
| CN108482572A (en) * | 2018-05-23 | 2018-09-04 | 湖南耐特材料科技有限公司 | A kind of gear shift flywheel |
| CN108516044A (en) * | 2018-05-23 | 2018-09-11 | 湖南耐特材料科技有限公司 | A kind of integral type gear shift flywheel |
| GB2624060A (en) * | 2022-11-02 | 2024-05-08 | Shenzhen Yimahe Tech Co Ltd | Novel bicycle freewheel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006076562A (en) * | 2004-09-10 | 2006-03-23 | Shimano Inc | Sprocket for bicycle |
| CN101269689A (en) * | 2007-03-21 | 2008-09-24 | 什拉姆公司 | Bicycle multi-gear cassette |
| CN101537871A (en) * | 2008-03-20 | 2009-09-23 | 天心工业股份有限公司 | Chain wheel structure of bicycle |
| CN102556274A (en) * | 2010-12-07 | 2012-07-11 | Sram德国有限公司 | Multiple-chain Wheel Assembly For A Bicycle |
| CN103723236A (en) * | 2012-10-12 | 2014-04-16 | Sram德国有限公司 | Fixing device |
| US20150024884A1 (en) * | 2013-07-19 | 2015-01-22 | Sram Deutschland Gmbh | Multiple-sprocket arrangement for a bicycle gearing |
-
2015
- 2015-07-22 CN CN201510464480.1A patent/CN105015695A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006076562A (en) * | 2004-09-10 | 2006-03-23 | Shimano Inc | Sprocket for bicycle |
| CN101269689A (en) * | 2007-03-21 | 2008-09-24 | 什拉姆公司 | Bicycle multi-gear cassette |
| CN101537871A (en) * | 2008-03-20 | 2009-09-23 | 天心工业股份有限公司 | Chain wheel structure of bicycle |
| CN102556274A (en) * | 2010-12-07 | 2012-07-11 | Sram德国有限公司 | Multiple-chain Wheel Assembly For A Bicycle |
| CN103723236A (en) * | 2012-10-12 | 2014-04-16 | Sram德国有限公司 | Fixing device |
| US20150024884A1 (en) * | 2013-07-19 | 2015-01-22 | Sram Deutschland Gmbh | Multiple-sprocket arrangement for a bicycle gearing |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017198133A1 (en) * | 2016-05-17 | 2017-11-23 | 郑潇然 | Speed-changing sprocket for bicycle |
| WO2018041409A1 (en) * | 2016-08-30 | 2018-03-08 | Rotor Componentes Tecnológicos, S.L. | Bicycle rear sprocket assembly |
| US11618531B2 (en) | 2016-08-30 | 2023-04-04 | Rotor Componentes Tecnologicos, S.L. | Bicycle rear sprocket assembly |
| CN107839833A (en) * | 2017-11-22 | 2018-03-27 | 湖南耐特材料科技有限公司 | A kind of disc and the rigidly connected speed variable chain wheel structure of cylinder muscle |
| CN107878666A (en) * | 2017-12-05 | 2018-04-06 | 湖南耐特材料科技有限公司 | A kind of integrative-structure and speed-changing chain of disc and wheel hub |
| CN107972802A (en) * | 2017-12-05 | 2018-05-01 | 湖南耐特材料科技有限公司 | The assembling structure and speed-changing chain of a kind of gear ring and turriform cylinder |
| WO2019109482A1 (en) * | 2017-12-05 | 2019-06-13 | 湖南耐特材料科技有限公司 | Integrated structure of spoke plate and hub, and speed change chain wheel |
| CN108372901A (en) * | 2018-02-06 | 2018-08-07 | 湖南耐特材料科技有限公司 | A kind of riveting integral type flywheel |
| CN108372901B (en) * | 2018-02-06 | 2023-09-12 | 湖南耐特材料科技有限公司 | Riveting integral flywheel |
| CN108482572A (en) * | 2018-05-23 | 2018-09-04 | 湖南耐特材料科技有限公司 | A kind of gear shift flywheel |
| CN108516044A (en) * | 2018-05-23 | 2018-09-11 | 湖南耐特材料科技有限公司 | A kind of integral type gear shift flywheel |
| GB2624060A (en) * | 2022-11-02 | 2024-05-08 | Shenzhen Yimahe Tech Co Ltd | Novel bicycle freewheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105015695A (en) | Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure | |
| US7506528B2 (en) | Head tube for bicycle frame | |
| CN100415590C (en) | Frame for two-wheel motorcycle body | |
| US5129665A (en) | Bicycle frame with one or two improved wishbone stays | |
| US20050032596A1 (en) | Bicycle sprocket | |
| CN205769959U (en) | Bicycle gear sprocket wheel | |
| CN205186403U (en) | Two wheeler and frame, integrated chassis, chassis main part thereof | |
| CN105270561A (en) | Chainless bicycle, wheel fork and frame | |
| CN109955997A (en) | Single sprocket chain | |
| US9027439B2 (en) | Crank arm | |
| CN105346668A (en) | Non-chain bicycle and rear axle assembly thereof | |
| CN110723212A (en) | Preceding sub vehicle frame aluminum alloy installing support and vehicle | |
| CN105270528A (en) | Chainless bicycle and integrated bottom bracket thereof | |
| KR101556383B1 (en) | Bicycle Frame for Reinforcing Strength | |
| US20060284394A1 (en) | Frame assembly for a bicycle | |
| US8210554B2 (en) | Bicycle frame having a multiple step and lap joint | |
| CN205186463U (en) | Conical gear - transfer line kind of drive's two wheeler and rear axle subassembly thereof | |
| CN205652282U (en) | Big rigidity speed -changing bicycle sprocket structure of ultralight | |
| EP3050787B1 (en) | Bottom bracket shell assembly and bicycle | |
| CN209776582U (en) | lightweight vehicle body structure | |
| CN210101916U (en) | Bicycle crank, crank and die head assembly and bicycle | |
| CN208827941U (en) | A kind of preceding damping tower seat and its connection structure with front longitudinal beam | |
| CN207725568U (en) | A kind of assembling structure and speed-changing chain of gear ring and turriform cylinder | |
| CN202115660U (en) | Quick-folding portable pedal bike | |
| CN105314056B (en) | Chain-less bicycle and its transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151104 |
|
| WD01 | Invention patent application deemed withdrawn after publication |