CN107269762A - A kind of bicycle freewheel - Google Patents
A kind of bicycle freewheel Download PDFInfo
- Publication number
- CN107269762A CN107269762A CN201710678246.8A CN201710678246A CN107269762A CN 107269762 A CN107269762 A CN 107269762A CN 201710678246 A CN201710678246 A CN 201710678246A CN 107269762 A CN107269762 A CN 107269762A
- Authority
- CN
- China
- Prior art keywords
- flywheel
- wheel body
- inner core
- exit orifice
- gear part
- 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
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 239000003351 stiffener Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/30—Flywheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/10—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels
- B62M1/105—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels using elastic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/30—Flywheels
- F16F15/305—Flywheels made of plastics, e.g. fibre reinforced plastics [FRP], i.e. characterised by their special construction from such materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a kind of bicycle freewheel, including core and flywheel inner core outside flywheel, the outer core of the flywheel uses integral structure, overall to be made up of resin material, including wheel body, external reinforcing circle and gear part；The wheel body circle centre position is provided with flywheel inner core mounting hole；The external reinforcing circle is loop configuration, and it is arranged at around wheel body, and its thickness is more than wheel body；The gear part is arranged on the outer wall of external reinforcing circle, and gear part upper surface is provided with the gear teeth with chain interoperation；It is provided with cushion outside the wheel body, the cushion includes the equally distributed exit orifice of multiple circumferences, the exit orifice is arcuate structure, the arcuate structure is towards outside；Wheel body is provided with ring stiffener around flywheel inner core mounting hole；Radially distributed bar hole and bar shaped reinforcement is arranged alternately between ring stiffener and exit orifice；The bar hole and bar shaped reinforcement are fillet design；The bar shaped reinforcement is located along the same line with exit orifice and mounting hole.
Description
Technical field
The present invention relates to the technical field of bicycle, and in particular to a kind of bicycle freewheel.
Background technology
Bicycle freewheel is a kind of important bicycle accessories, and rear wheel is driven by the cooperation of flywheel and chain, will
Manpower is converted into the power of bicycle.Bicycle freewheel of the prior art is varied, most of to be made up of metal, structure letter
Single, cost is relatively low.But during actual use, it there are the shortcomings such as weight is big, without elasticity and easily get rusty.Cause
This, a kind of lightweight, intensity of research and development is high and possesses the bicycle freewheel of preferable shock-absorbing capacity, the weight for reducing bicycle,
Raising is ridden efficiency, is had great importance.
The content of the invention
To achieve these goals, the invention provides a kind of bicycle freewheel, with lightweight, easy to use and safe
The good advantage of property.
The bicycle freewheel is realized by the following technical solutions：
A kind of bicycle freewheel, including core and flywheel inner core outside flywheel；The flywheel inner core is movably set in shell flywheel
In；The outer core of the flywheel uses integral structure, overall to be made up of resin material, including wheel body, external reinforcing circle and gear part；
The wheel body circle centre position is provided with flywheel inner core mounting hole；The external reinforcing circle is loop configuration, and it is arranged at the week of wheel body
Enclose, its thickness is more than wheel body；The gear part is arranged on the outer wall of external reinforcing circle, and gear part upper surface is provided with and chain
The gear teeth of cooperation；Cushion is provided with outside the wheel body, the cushion includes the equally distributed exit orifice of multiple circumferences, described outer
Hole is arcuate structure, and the arcuate structure is towards outside；Wheel body is provided with ring stiffener around flywheel inner core mounting hole；
Radially distributed bar hole and bar shaped reinforcement is arranged alternately between ring stiffener and exit orifice；The bar hole and bar
Shape reinforcement is fillet design；The bar shaped reinforcement is located along the same line with exit orifice and mounting hole.
It is preferred that, the outer core of interior teeth and flywheel of the flywheel inner core is connected using traditional structure of the prior art.
It is preferred that, the chain back-up ring positioned at gear part both sides is provided with the excircle of the external reinforcing circle.
Relative to core outside metal flywheel common in the art, the outer core of flywheel provided in the present invention is by resin material system
Into, convenient processing and manufacture and cost is low, it can be prepared by injection；It is reduced outside flywheel by the cooperation of exit orifice and endoporus
Core weight, while making the outer core of flywheel possess good intensity and rigidity, while also having preferably elasticity, long-term use is difficult production
Raw crack or damage；By setting external reinforcing circle, the intensity of the outer core of flywheel is improved, while can be by the stress of gear part
Uniformly it is distributed on wheel body, improves service life, reduces stress concentration；By further setting ring stiffener, it is ensured that
Intensity near mounting hole, effectively can concentrate on inside by the stress cracking formed during use, prevent crack growth
To whole wheel body, service life is improved, the stress ability to bear of the outer core of flywheel is also increased；It with flywheel inner core by matching somebody with somebody
Close, while effectively reduction bicycle weight, effectively power is transmitted, the efficiency of riding of bicycle is improved.
Brief description of the drawings
Fig. 1 is the structure chart of bicycle freewheel in the present invention；
Embodiment
Technical scheme is described in detail below by specific embodiment, but the scope of the present invention
It is not restricted by the embodiments.
As shown in figure 1, a kind of bicycle freewheel is present embodiments provided, including core and flywheel inner core outside flywheel；It is described to fly
Wheel inner core is movably set in shell flywheel；The outer core of the flywheel uses integral structure, overall to be made up of resin material, including
Wheel body 1, external reinforcing circle 2 and gear part；The circle centre position of wheel body 1 is provided with flywheel inner core mounting hole 11；The external reinforcing
Circle 2 is loop configuration, and it is arranged at around wheel body 1, and its thickness is more than wheel body 1；The gear part is arranged at external reinforcing circle 2
Outer wall on, gear part upper surface is provided with the gear teeth 3 with chain interoperation；Cushion is provided with outside the wheel body 1, it is described slow
Rush layer and include the equally distributed exit orifice 4 of multiple circumferences, the exit orifice 4 is arcuate structure, the arcuate structure is towards outside；Wheel body 1
Ring stiffener 12 is provided with around flywheel inner core mounting hole 11；It is arranged alternately between ring stiffener 12 and exit orifice 4
There is radially distributed bar hole 5 and bar shaped reinforcement 6；The bar hole 5 and bar shaped reinforcement 6 are fillet design；It is described
Bar shaped reinforcement 6 is located along the same line with exit orifice 4 and mounting hole 11；The outer core of the interior teeth and flywheel of the flywheel inner core is used
Traditional structure connection of the prior art；The chain positioned at gear part both sides is provided with the excircle of the external reinforcing circle 2
Back-up ring.
Embodiment above is only the preferred embodiments of the invention, it should be pointed out that, come for ordinary skill people
Say, what is carried out under the premise of not departing from the present invention is partially improved, among protection scope of the present invention.
Claims (3)
1. a kind of bicycle freewheel, including core and flywheel inner core outside flywheel；The flywheel inner core is movably set in shell flywheel,
It is characterized in that：The outer core of the flywheel uses integral structure, overall to be made up of resin material, including wheel body, external reinforcing circle
And gear part；The wheel body circle centre position is provided with flywheel inner core mounting hole；The external reinforcing circle is loop configuration, and it is arranged at
Around wheel body, its thickness is more than wheel body；The gear part is arranged on the outer wall of external reinforcing circle, and gear part upper surface is set
There are the gear teeth with chain interoperation；Cushion is provided with outside the wheel body, it is equally distributed outer that the cushion includes multiple circumferences
Hole, the exit orifice is arcuate structure, and the arcuate structure is towards outside；Wheel body is provided with ring around flywheel inner core mounting hole
Shape reinforcement；Radially distributed bar hole and bar shaped reinforcement is arranged alternately between ring stiffener and exit orifice；It is described
Bar hole and bar shaped reinforcement are fillet design；The bar shaped reinforcement is located along the same line with exit orifice and mounting hole.
2. bicycle freewheel according to claim 1, it is characterised in that：The outer core of the interior teeth and flywheel of the flywheel inner core
It is flexibly connected using common structure of the prior art.
3. bicycle freewheel according to claim 2, it is characterised in that：Set on the excircle of the winged external reinforcing circle
There is the chain back-up ring positioned at gear part both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678246.8A CN107269762A (en) | 2017-08-10 | 2017-08-10 | A kind of bicycle freewheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678246.8A CN107269762A (en) | 2017-08-10 | 2017-08-10 | A kind of bicycle freewheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269762A true CN107269762A (en) | 2017-10-20 |
Family
ID=60079714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710678246.8A Pending CN107269762A (en) | 2017-08-10 | 2017-08-10 | A kind of bicycle freewheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269762A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856802A (en) * | 2017-10-31 | 2018-03-30 | 天津市东陆自行车有限公司 | A kind of integral bike wheel disc |
| CN107867368A (en) * | 2017-10-31 | 2018-04-03 | 天津市东陆自行车有限公司 | A kind of monoblock type bicycle wheel disc |
| CN108001605A (en) * | 2017-10-31 | 2018-05-08 | 天津市东陆自行车有限公司 | A kind of bicycle wheel disc |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29511965U1 (en) * | 1995-07-25 | 1995-09-28 | Franz Pauli GmbH & Co. KG, 59469 Ense | Flywheel for an exercise bike |
| CN2224147Y (en) * | 1994-05-02 | 1996-04-10 | 王宏伟 | Taiji-chart multi-function amusement bicycle |
| CN1159999A (en) * | 1996-10-18 | 1997-09-24 | 孙明昭 | Buffer body matched with chain wheel of motorcycle |
| CN101205967A (en) * | 2006-12-19 | 2008-06-25 | 铃木株式会社 | Plastic gear |
| CN102606676A (en) * | 2012-03-30 | 2012-07-25 | 长城汽车股份有限公司 | Lightweight high-ductility flexible flywheel |
| CN203410232U (en) * | 2013-08-15 | 2014-01-29 | 邢台天大车业有限公司 | Improved nylon wheel assembly |
| CN104139829A (en) * | 2013-05-07 | 2014-11-12 | 株式会社岛野 | BICYCLE SPROCKEt |
| CN205524786U (en) * | 2016-03-15 | 2016-08-31 | 何健 | Damping sprocket of motorcycle |
| CN106438840A (en) * | 2016-11-15 | 2017-02-22 | 重庆茂茂科技股份有限公司 | Flywheel drive plate and flywheel assembly |
| CN207261566U (en) * | 2017-08-10 | 2018-04-20 | 天津市奥美工贸有限公司 | A kind of bicycle freewheel |
-
2017
- 2017-08-10 CN CN201710678246.8A patent/CN107269762A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224147Y (en) * | 1994-05-02 | 1996-04-10 | 王宏伟 | Taiji-chart multi-function amusement bicycle |
| DE29511965U1 (en) * | 1995-07-25 | 1995-09-28 | Franz Pauli GmbH & Co. KG, 59469 Ense | Flywheel for an exercise bike |
| CN1159999A (en) * | 1996-10-18 | 1997-09-24 | 孙明昭 | Buffer body matched with chain wheel of motorcycle |
| CN101205967A (en) * | 2006-12-19 | 2008-06-25 | 铃木株式会社 | Plastic gear |
| CN102606676A (en) * | 2012-03-30 | 2012-07-25 | 长城汽车股份有限公司 | Lightweight high-ductility flexible flywheel |
| CN104139829A (en) * | 2013-05-07 | 2014-11-12 | 株式会社岛野 | BICYCLE SPROCKEt |
| CN203410232U (en) * | 2013-08-15 | 2014-01-29 | 邢台天大车业有限公司 | Improved nylon wheel assembly |
| CN205524786U (en) * | 2016-03-15 | 2016-08-31 | 何健 | Damping sprocket of motorcycle |
| CN106438840A (en) * | 2016-11-15 | 2017-02-22 | 重庆茂茂科技股份有限公司 | Flywheel drive plate and flywheel assembly |
| CN207261566U (en) * | 2017-08-10 | 2018-04-20 | 天津市奥美工贸有限公司 | A kind of bicycle freewheel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856802A (en) * | 2017-10-31 | 2018-03-30 | 天津市东陆自行车有限公司 | A kind of integral bike wheel disc |
| CN107867368A (en) * | 2017-10-31 | 2018-04-03 | 天津市东陆自行车有限公司 | A kind of monoblock type bicycle wheel disc |
| CN108001605A (en) * | 2017-10-31 | 2018-05-08 | 天津市东陆自行车有限公司 | A kind of bicycle wheel disc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |