CN102556273B - Rear chain wheel component for bicycle - Google Patents
Rear chain wheel component for bicycle Download PDFInfo
- Publication number
- CN102556273B CN102556273B CN 201210058953 CN201210058953A CN102556273B CN 102556273 B CN102556273 B CN 102556273B CN 201210058953 CN201210058953 CN 201210058953 CN 201210058953 A CN201210058953 A CN 201210058953A CN 102556273 B CN102556273 B CN 102556273B
- Authority
- CN
- China
- Prior art keywords
- sprocket
- mounting bracket
- chain wheel
- chain
- hole
- 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.)
- Active
Links
Images
Landscapes
- Gears, Cams (AREA)
Abstract
The invention discloses a rear chain wheel component for a bicycle. The rear chain wheel component comprises three or more odd and even chain wheels and a hub assembled with a rear hub of the bicycle; all chain wheels are separated into pairs of chain wheel groups from large tooth number to small tooth number; through holes on mounting convex pieces of each pair of chain wheel groups are opposite, and each pair of chain wheel group is separated by a distance piece and fixed on one side of a corresponding mounting bracket, so that the material thickness of the mounting bracket is not limited by the distance between the chain wheels; and therefore, the strength can be improved, and the weight is reduced by reducing the thickness of the mounting bracket on the premise of meet the rigidity requirement. In addition, every two chain wheels form a chain wheel group and are arranged on supporting arms of the mounting bracket through the same fastener, and the number of the fasteners can be reduced compared by that required by the patent with the number of ZL-200310121557.2; meanwhile, assembly time can be saved, so that the mounting cost and production cost are reduced.
Description
[technical field]
The present invention relates to a kind of chain wheel assembly that is used on bicycle, more particularly, refer to the rear sprocket assembly of bicycle.
[background technology]
In modern society, cycle racing is more and more universal and popular.No matter be amateurish jockey or professional jockey, also become for the pursuit of speed and more thirst for, therefore, the speed change quantity in transmission mechanism of bicycle is in continuous increase, and the sprocket wheel quantity that is contained in the chain wheel assembly on bicycle rear-hub also is increased to ten or more.Along with the increase of sprocket wheel quantity, the weight of whole chain wheel assembly also increases.In order not affect again speed changing effect in expendable weight, the product of a lot of these class designs has appearred on market.
The patent No. is that the patent of ZL96119886.9 discloses sprocket wheel load module after a kind of carriage class, each sprocket bearing carriage has a plurality of supporting arms that radially extend, two relative attachment faces are arranged on each supporting arm, two different sprocket wheels of the number of teeth are arranged on two attachment faces by a shared attaching parts, and height between two attachment faces has been determined the distance between two sprocket wheels.The splined hole that assembles with bicycle rear-hub is arranged in the centre of frame support bracket, and each frame support bracket can be arranged on bicycle rear-hub independently.For expendable weight, generally the carriage of this class is all to adopt with the material of sprocket wheel material compared lightweight such as aluminum alloy etc. to make, so the intensity of sprocket wheel load module after this class, and especially the intensity at attachment face place just becomes extremely important on each radial support arm.When the sprocket wheel quantity of rear sprocket assembly is increased to ten when above, distance between two sprocket wheels just becomes very little, the thickness of the attachment face between being in both also diminishes accordingly, therefore particularly for the larger sprocket wheel of ratio of number of teeth, when bearing the larger torsion that chain applies, can cause distortion or the fracture of Support bracket, affect the speed changing effect of rear sprocket assembly.
Patent ZL 200310121557.2 has disclosed another kind of chain sprocket structure, and the rear sprocket assembly of this structure comprises at least three sprocket wheels and a frame support bracket with two relative attachment faces that the number of teeth is different.The first sprocket wheel is arranged on the first attachment face, and the second sprocket wheel is arranged on the second attachment face, and the 3rd sprocket wheel is arranged on the second sprocket wheel and is placed between the first and second sprocket wheels by connecting element and distance piece.Because the 3rd sprocket wheel is placed between first and second sprocket wheel, when assembling, must first the 3rd sprocket wheel be arranged on the second sprocket wheel with several connecting elements, and then the assembly set of the first sprocket wheel and the second and the 3rd sprocket wheel is installed on Support bracket, so not only need many procedures, needing simultaneously increases some connecting elements, is proven, and this has improved space on cost of installation and material.
[summary of the invention]
The objective of the invention is to be to overcome the deficiencies in the prior art, providing a kind of can gain in strength, and reduces the bicycle rear sprocket assembly of cost of installation and expendable weight.
In order to solve the technical matters of above-mentioned existence, the present invention adopts following technical proposals:
A kind of bicycle rear sprocket assembly, it comprises that quantity is three or the wheel hub of above odd number sprocket wheel and and bicycle rear-hub assembling, wherein: each sprocket wheel comprise have one radially a plurality of through holes of inner terminal band the installation lug and radially outermost end have the sprocket of a plurality of teeth, the number of teeth of all sprocket wheels is identical and by being divided into a pair of to chain wheel set by large toward minispread, the through hole that the every pair of chain wheel set is installed on lug is corresponding, and last sprocket wheel is single sprocket chain; Described wheel hub is along stretching out the mounting bracket of multi-step formula on its outer end radial direction, every layer of mounting bracket includes a plurality of hold-down arms that claw type distributes that are on circumference, and the number of plies of described mounting bracket is that the logarithm of chain wheel set adds one; Be provided with on the hold-down arm of every one deck mounting bracket with the respective sprockets group on through hole or the consistent mounting hole of the through hole on single sprocket chain; Be arranged on corresponding mounting bracket after being provided with distance piece between the corresponding through hole on the sprocket wheel of every a pair of chain wheel set and being passed the mounting hole of hold-down arm by fastener, described single sprocket chain is arranged on corresponding minimum mounting bracket passed the mounting hole of hold-down arm by fastener after.
In the improvement project to above-mentioned bicycle rear sprocket assembly, described fastener is general rivet or screw.
In the improvement project to above-mentioned bicycle rear sprocket assembly, described distance piece and fastener are one.
In the improvement project to above-mentioned bicycle rear sprocket assembly, a sprocket wheel one in described distance piece and the every pair of chain wheel set.
A kind of bicycle rear sprocket assembly, it includes quantity is four or the wheel hub of above even number sprocket wheel and and bicycle rear-hub assembling, wherein: each sprocket wheel comprise have one radially a plurality of through holes of inner terminal band the installation lug and radially outermost end have the sprocket of a plurality of teeth, the number of teeth of all sprocket wheels is identical and by being divided into a pair ofly to chain wheel set toward minispread by large, and the through hole that the every pair of chain wheel set is installed on lug is corresponding; Described wheel hub is along stretching out the mounting bracket of multi-step formula on its outer end radial direction, every layer of mounting bracket includes a plurality of hold-down arms that claw type distributes that are on circumference, and the number of plies of described mounting bracket is the logarithm of chain wheel set; Be provided with the mounting hole consistent with the through hole on the respective sprockets group on the hold-down arm of every one deck mounting bracket; Be arranged on corresponding mounting bracket after being provided with distance piece between the corresponding through hole on the sprocket wheel of every a pair of chain wheel set and being passed the mounting hole of hold-down arm by fastener.
In the improvement project to above-mentioned bicycle rear sprocket assembly, described fastener is general rivet or screw.
In the improvement project to above-mentioned bicycle rear sprocket assembly, described distance piece and fastener are one.
In the improvement project to above-mentioned bicycle rear sprocket assembly, a sprocket wheel in described distance piece and the every pair of chain wheel set is one.
Compared with prior art, the invention has the beneficial effects as follows: due to it be whole sprocket wheels are divided into a pair of to chain wheel set, and to make every a pair of chain wheel set be to be fixed on corresponding mounting bracket one side after separately by distance piece again, the material thickness of mounting bracket is not subjected to this to the restriction of the size of the spacing between sprocket wheel like this, thereby can gain in strength, and come expendable weight at the thickness that satisfies under the prerequisite of rigidity by reducing mounting bracket; In addition, owing to being arranged on the hold-down arm of mounting bracket by same fastener after every two sprocket wheels composition pair of sprocket group, comparatively speaking can reduce the quantity of needed connecting element in the patent that the patent No. is ZL 200310121557.2, save simultaneously time of setting up, install and productive costs thereby reduce.
The present invention is described in further detail below in conjunction with accompanying drawing and the specific embodiment:
[description of drawings]
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the assembling schematic diagram of the embodiment of the present invention one;
Fig. 4 is the assembling schematic diagram of the embodiment of the present invention two;
Fig. 5 is the schematic perspective view of the wheel hub holder of the embodiment of the present invention.
[specific embodiment]
The present invention is a kind of bicycle rear sprocket assembly, and it includes quantity is three or the wheel hub 2 of above odd number or even number sprocket wheel 1 and and bicycle rear-hub assembling, wherein:
Each sprocket wheel 1 comprise have one radially a plurality of through holes 11 of inner terminal band installation lug 12 and radially outermost end have the sprocket 13 of a plurality of teeth, the number of teeth of all sprocket wheels 1 is identical and by being divided into a pair of to chain wheel set G by large toward minispread, the through hole 11 that the every couple of chain wheel set G installs on lug 12 is corresponding, when sprocket wheel add up to odd number, last sprocket wheel 1 was single sprocket chain;
As shown in Figure 5, described wheel hub 2 is along stretching out the mounting bracket 21 of multi-step formula on its outer end radial direction, be that mounting bracket diminishes at circumference last layer one deck, as shown in Figure 5, every layer of mounting bracket 21 includes a plurality of hold-down arms 211 that claw type distributes that are on circumference, the number of plies of described mounting bracket 21 is logarithms (when for the even number sprocket wheel) of chain wheel set G or adds one (when for the odd number sprocket wheel) again; Be provided with on the hold-down arm 211 of every one deck mounting bracket 21 with respective sprockets group G on through hole 11 or the consistent mounting hole 212 of the through hole 11 on single sprocket chain;
Be arranged on corresponding mounting bracket 21 after being provided with distance piece 3 between the corresponding through hole 11 on the sprocket wheel 1 of every a pair of chain wheel set G and being passed the mounting hole 212 of hold-down arm 211 by fastener 4, for the rear sprocket assembly of odd number sprocket wheel, its last sprocket wheel---single sprocket chain is arranged on corresponding minimum mounting bracket passed the mounting hole 212 of hold-down arm 211 by fastener 4 after.
Be fixed on again on mounting bracket one side after being separated by distance piece 3 due to every a pair of chain wheel set G, the material thickness of mounting bracket is not subjected to this to the restriction of the size of the spacing between sprocket wheel like this, thereby can gain in strength, and come expendable weight at the thickness that satisfies under the prerequisite of rigidity by reducing mounting bracket; In addition, owing to being arranged on the hold-down arm 211 of mounting bracket 21 by same fastener 4 after every two sprocket wheels composition pair of sprocket group, comparatively speaking can reduce the quantity of needed connecting element in the patent that the patent No. is ZL 200310121557.2, save simultaneously time of setting up, install and productive costs thereby reduce.
In embodiment one as shown in Figure 1, 2, 3, chain wheel assembly includes 4 sprocket wheels, is divided into two pairs; And in embodiment two as shown in Figure 4, chain wheel assembly includes 3 sprocket wheels, is divided into pair of sprocket group and a single sprocket chain.In these two embodiment, mounting bracket has two-layer, and when the sprocket wheel number was 5 or 6, needing had three layers, comes by that analogy to determine the number of plies of mounting bracket.
Described fastener 4 is generally general rivet or screw, and in embodiment one, two, it is rivet.Described distance piece 3 can be one with fastener 4, can be also separately independently, and at this moment distance piece can be independent ferrule arrangement, also can with the sprocket wheel one.As shown in Fig. 3,4 embodiment one, two, distance piece 3 is what to separate with fastener, and moulding together with the hinge wheel of every pair of chain wheel set, more convenient like this installation.
Although describe the present invention with reference to embodiment, should be understood to and to carry out multiple improvement in the purport of the present invention design and scope.Therefore, the invention is not restricted to described embodiment, but by the described four corner of claims.
Claims (8)
1. bicycle rear sprocket assembly is characterized in that: include quantity and be three or the wheel hub (2) of above odd number sprocket wheel (1) and and bicycle rear-hub assembling, wherein:
Each sprocket wheel (1) comprise have one radially a plurality of through holes of inner terminal band (11) installation lug (12) and radially outermost end have the sprocket (13) of a plurality of teeth, the number of teeth of all sprocket wheels (1) is identical and by being divided into a pair of to chain wheel set (G) by large toward minispread, the through hole (11) that every pair of chain wheel set (G) is installed on lug (12) is corresponding, and last sprocket wheel (1) is single sprocket chain;
Described wheel hub (2) is along the mounting bracket (21) that stretches out the multi-step formula on its outer end radial direction, every layer of mounting bracket (21) includes a plurality of hold-down arms (211) that claw type distributes that are on circumference, the number of plies of described mounting bracket (21) is that the logarithm of chain wheel set (G) adds one; Be provided with on the hold-down arm (211) of every one deck mounting bracket (21) with respective sprockets group (G) on through hole (11) or the consistent mounting hole (212) of the through hole (11) on single sprocket chain;
Be arranged on corresponding mounting bracket (21) after being provided with distance piece (3) between the corresponding through hole (11) on the sprocket wheel (1) of every a pair of chain wheel set (G) and being passed the mounting hole (212) of hold-down arm (211) by fastener (4), described single sprocket chain is arranged on the described mounting bracket of corresponding minimum passed the mounting hole (212) of hold-down arm (211) by fastener (4) after.
2. bicycle rear sprocket assembly according to claim 1, it is characterized in that: described fastener (4) is rivet or screw.
3. bicycle rear sprocket assembly according to claim 1 and 2 is characterized in that: described distance piece (3) is one with fastener (4).
4. bicycle rear sprocket assembly according to claim 1 and 2 is characterized in that: described distance piece (3) is one with a sprocket wheel in every pair of chain wheel set (G).
5. bicycle rear sprocket assembly is characterized in that: include quantity and be four or the wheel hub (2) of above even number sprocket wheel (1) and and bicycle rear-hub assembling, wherein:
Each sprocket wheel (1) comprise have one radially a plurality of through holes of inner terminal band (11) installation lug (12) and radially outermost end have the sprocket (13) of a plurality of teeth, the number of teeth of all sprocket wheels (1) is not identical and a pair of to chain wheel set (G) by being divided into by large past minispread, and the through hole (11) that every pair of chain wheel set (G) is installed on lug (12) is corresponding;
Described wheel hub (2) is along the mounting bracket (21) that stretches out the multi-step formula on its outer end radial direction, every layer of mounting bracket (21) includes a plurality of hold-down arms (211) that claw type distributes that are on circumference, the number of plies of described mounting bracket (21) is the logarithm of chain wheel set (G); Be provided with the mounting hole (212) consistent with the through hole (11) on respective sprockets group (G) on the hold-down arm (211) of every one deck mounting bracket (21);
(be arranged on after 2110 mounting hole (212) on corresponding mounting bracket (21) being provided with distance piece (3) between the corresponding through hole (11) on the sprocket wheel (1) of every a pair of chain wheel set (G) and being passed hold-down arm by fastener (4).
6. bicycle rear sprocket assembly according to claim 5, it is characterized in that: described fastener (4) is rivet or screw.
7. according to claim 5 or 6 described bicycle rear sprocket assemblies is characterized in that: described distance piece (3) is one with fastener (4).
8. according to claim 5 or 6 described bicycle rear sprocket assemblies is characterized in that: described distance piece (3) is one with a sprocket wheel in every pair of chain wheel set (G).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210058953 CN102556273B (en) | 2012-03-08 | 2012-03-08 | Rear chain wheel component for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210058953 CN102556273B (en) | 2012-03-08 | 2012-03-08 | Rear chain wheel component for bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102556273A CN102556273A (en) | 2012-07-11 |
| CN102556273B true CN102556273B (en) | 2013-06-12 |
Family
ID=46403241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210058953 Active CN102556273B (en) | 2012-03-08 | 2012-03-08 | Rear chain wheel component for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102556273B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016008594B4 (en) * | 2016-07-14 | 2024-02-15 | Shimano Inc. | Bicycle multiple sprocket assembly |
| TW202402562A (en) * | 2017-05-30 | 2024-01-16 | 日商島野股份有限公司 | Bicycle hub assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692016Y (en) * | 2004-01-09 | 2005-04-13 | 吴克忠 | pedal direction controllable speed change bicycle |
| CN2936911Y (en) * | 2006-07-26 | 2007-08-22 | 曹积峰 | Speed variator of tricycle |
| CN202464082U (en) * | 2012-03-08 | 2012-10-03 | 中山新宝精密科技有限公司 | Bicycle rear chain wheel assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001206273A (en) * | 2000-01-21 | 2001-07-31 | Yutaka Sonoda | Rectilinear sliding motion mechanism of continuously variable transmission for driving pedal |
-
2012
- 2012-03-08 CN CN 201210058953 patent/CN102556273B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692016Y (en) * | 2004-01-09 | 2005-04-13 | 吴克忠 | pedal direction controllable speed change bicycle |
| CN2936911Y (en) * | 2006-07-26 | 2007-08-22 | 曹积峰 | Speed variator of tricycle |
| CN202464082U (en) * | 2012-03-08 | 2012-10-03 | 中山新宝精密科技有限公司 | Bicycle rear chain wheel assembly |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-206273A 2001.07.31 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102556273A (en) | 2012-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090243250A1 (en) | Bicycle sprocket assembly | |
| US10112681B2 (en) | Bicycle sprocket supporting member and bicycle sprocket assembly | |
| US7344463B2 (en) | Sprocket assembly | |
| US8696503B2 (en) | Bicycle sprocket assembly | |
| US20130035183A1 (en) | Bicycle sprocket assembly | |
| CN100586788C (en) | Bicycle sprocket assembly | |
| US20160144929A1 (en) | Bicycle sprocket for use with a multi-gear rear cassette | |
| CN202703831U (en) | Rear chain wheel component of bicycle | |
| CN202464082U (en) | Bicycle rear chain wheel assembly | |
| CN102556273B (en) | Rear chain wheel component for bicycle | |
| TW201800305A (en) | Multiple bicycle sprocket assembly | |
| EP2172391A3 (en) | Multi-speed sprocket assembly | |
| US9885409B1 (en) | Bicycle sprocket and bicycle rear sprocket assembly | |
| CN102328724A (en) | Bicycle rear sprocket assembly | |
| WO2009151936A3 (en) | Take apart vehicle wheel assembly | |
| US4642075A (en) | Multiple sprocket wheel | |
| CN105365477B (en) | Bicycle wheel spoke structure | |
| CN209904440U (en) | Stable lightweight automobile hub | |
| CN2871254Y (en) | Wheel frame structure | |
| CN204871444U (en) | Bicycle footboard | |
| AU2009100415A4 (en) | Wheel rim | |
| CN203805624U (en) | Gear body structure | |
| CN214084588U (en) | Bicycle frame and bicycle | |
| CN220281296U (en) | Single-hand multi-gear adjusting flagpole support | |
| CN209739274U (en) | Chain wheel and bicycle with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 528400 No. 26, science and technology Avenue, Torch Development Zone, Guangdong, Zhongshan Applicant after: ZHONGSHAN NEW BOND PRECISION TECHNOLOGY CO., LTD. Address before: 528400 No. 26, science and technology Avenue, Torch Development Zone, Guangdong, Zhongshan Applicant before: Zhongshan New Bond Hardware Spring Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZHONGSHAN NEW BOND HARDWARE SPRING CO., LTD. TO: ZHONGSHAN NEW BOND PRECISION TECHNOLOGY CO., LTD. |
|
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528437 Zhongshan Torch Development Zone, Zhongshan, Guangdong Province, No. 22, 24 and 26 Patentee after: Guangdong Xinbao precision manufacturing Limited by Share Ltd Address before: 528400 No. 26, science and technology Avenue, Torch Development Zone, Guangdong, Zhongshan Patentee before: ZHONGSHAN NEW BOND PRECISION TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |