CN102808879A - Transmission spring and bicycle frame mounted with transmission spring - Google Patents
Transmission spring and bicycle frame mounted with transmission spring Download PDFInfo
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- CN102808879A CN102808879A CN2012102960088A CN201210296008A CN102808879A CN 102808879 A CN102808879 A CN 102808879A CN 2012102960088 A CN2012102960088 A CN 2012102960088A CN 201210296008 A CN201210296008 A CN 201210296008A CN 102808879 A CN102808879 A CN 102808879A
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- spring
- power transmission
- pipe
- transmission spring
- standpipe
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Abstract
The invention provides a transmission spring, which is helical, is provided with two ends that at jointed and polished, and is made of material 60Si2Mn or 55Si2Mn, wherein the diameter of the spring wire ranges from 8 to 12.5mm, the intermediate diameter of the spring is 46mm, and the free height of the spring ranges from 100 to 180mm. The invention also provides a bicycle frame, which includes a head pipe, a front pipe, a vertical pipe, a connecting section, a rear fork, a spring connecting piece and the transmission spring, wherein the rear fork is provided with a main body part, a front fork opening and a rear fork opening; the head pipe is fixedly connected with one end of the front pipe; the other end of the front pipe and one end of the vertical pipe are connected onto the connecting section; and the transmission spring is hinged between the vertical pipe and the rear fork main body through the spring connecting piece.
Description
Technical field
The present invention relates to a kind of spring, particularly a kind of bicycle frame that is used for the power transmission spring of moped and this spring is installed.
Background technique
At present, bicycle has become the most widely used traffic tool, and has developed into leisure, contest instrument, and the technician is also constantly making improvements.In the existing improvement project; Important directions be exactly with in the process of riding because the Gravity changer of jolting and producing of the people's that rides posture change or road; Pass to the bicycle step-up system through spring, gravitational potential energy is converted into kinetic energy, for bicycle provides power-assisted.When length of spring compressed, power transmission downwards converts downward power into warping force on the one hand, accumulation of energy simultaneously; When spring makes progress resilience, discharge elastic potential energy, pulling force upwards is provided simultaneously, be similarly step-up system warping force is provided.
But if the spring rate of selecting is low excessively, spring is soft excessively in other words, does not then have the power transmission effect; If the spring rate of selecting is too high, spring is really up to the mark in other words, does not then have good accumulation of energy effect.Equally, the length of spring is too short or long, all can influence ride people's comfort level and power transmission effect.Therefore, how the parameters of spring is selected, and becomes a difficult problem in the moped design.
On the other hand; The vehicle frame of existing damping bicycle; General all be installation head to precedingly all be connected on the five-way to, the back vent (also being chain stay) the standpipe of vehicle seat being installed and trailing wheel is installed, the pendulum angle of back vent is very little, purpose is the spring that cooperation is installed; Be used for damping, effect is bad when being used for power transmission.
Summary of the invention
The object of the present invention is to provide a kind of spring with good power transmission and accumulation of energy effect, provide simultaneously a kind of can be with the pressure of spring, the vehicle frame that pulling force fully is converted into warping force, being that bicycle provides power-assisted better.
For realizing above-mentioned purpose, embodiments of the invention provide technological scheme:
A kind of power transmission spring, said power transmission spring is a spirality, and two ends also tightly polish, and manufactured materials is 60Si2Mn or 55Si2Mn, and the spring thread diameter is 8mm-12.5mm, and mean diameter of coil is 46mm, and the spring free height is 100--180mm.
Selectively, the number of active coils of said power transmission spring is the 3-6 circle.
Selectively, said power transmission spring surface process phosphatization processing.
A kind of bicycle frame comprises:
The head pipe;
Preceding pipe;
Standpipe;
Linkage section;
Back vent, it has main body, preceding prong and back prong;
Spring fastenings;
Aforesaid power transmission spring;
Said head pipe is fixedly connected on an end of said preceding pipe, and the other end of said preceding pipe and an end of said standpipe are fixedly connected on the said linkage section, and said power transmission spring is hinged between the main body of said standpipe and said back vent through said spring fastenings.
Selectively, said linkage section is bent to form by pipe or said standpipe before said.
Selectively, said linkage section is independent template member.
Selectively, said spring fastenings is the piston sleeve assembly.
Selectively, the main body of said standpipe and said back vent has the lug of band through hole.
Spiral spring, two ends also tightly polish to common spring structure, select 60Si2Mn or 55Si2Mn as manufactured materials, have more Economy.When the spring parameters is: the spring thread diameter is that 8mm-12.5mm, mean diameter of coil are 46mm, when the spring free height is 100--180mm, are particularly suitable for using the power transmission spring as moped.
Further, select the number of active coils of 3-6 circle, can meet design requirement, can save material again.
Further, the spring after handling through phosphatization, antirust, antiseptic property is better.
Because back vent is not fixedly connected with preceding pipe, standpipe; Just and between the standpipe have hinged relationship, so it has formed a lever, through spring energized; Back vent can be better be converted into warping force with the Gravity changer of spring transmission, passes to the bicycle step-up system.Owing to adopt the spring that meets above parameter, the power transmission better effects if.
Further, linkage section is made up of independent template member, more helps the installation of bicycle step-up system.
Description of drawings
Next will combine accompanying drawing that embodiments of the invention are done further explain, wherein:
Fig. 1 is the spring schematic representation of embodiments of the invention;
Fig. 2 is a general damping bicycle stand schematic representation under the existing technology;
Fig. 3 is the bicycle frame schematic representation of embodiments of the invention;
The sectional drawing of the spring fastenings that Fig. 4 is in the embodiments of the invention to be adopted;
Fig. 5 is the work schematic representation of the bicycle frame of embodiments of the invention.
Among the last figure; Similar or identical member adopts identical mark, wherein: prong, 63-main body, 64-lug, 7-five-way, 8-linkage section, 9-trailing wheel, 10-step-up system behind H-spring free height, d spring thread diameter, D mean diameter of coil, 1-head pipe, the preceding pipe of 2-, 3-standpipe, 31-lug, 4-spring, 5-piston sleeve assembly, 51-sleeve, 511-big nut, 52-piston rod, 521-backstop dish, 6-back vent, the preceding prong of 61-, the 62-.
Embodiment
Fig. 1 shows the structure and the several main parameters of spring 4.H is the spring free height, and d is the spring thread diameter, and D is a mean diameter of coil.Spring 4 shown in the figure is spiral-shaped for typically, and two ends also tightly polish, and supports the number of turns and adopts 1.5 general circles, 2 circles, 2.5 circles all can.Generally, the adult people's that rides body weight should be between 50kg to 100kg, and the working stroke of the power transmission spring that Gravity changer causes should be between 5-15mm.Working stroke is excessive, explains that spring is soft excessively, and working stroke is too small, explains that spring is really up to the mark, and the unfavorable effect preamble that is produced is described.Therefore, the present invention is the basis carrying out power transmission spring when design with above-mentioned body weight, two parameters of working stroke, takes all factors into consideration factors such as acceleration when jolting, safety coefficient, and requiring the actual maximum rigidity scope of spring is 42-398N/mm.The manufactured materials of spring is generally spring steel; Preferred 60Si2Mn or the 55Si2Mn of adopting, through can reach about allowable shear stress 628Mpa after the Overheating Treatment, requirement about flexural stress 785Mpa, about shear modulus 78.5Mpa, about Young's modulus 196Gpa.Though also can adopt other alloy spring steel, reach designing requirement through other processing mode, obviously adopt 60Si2Mn or 55Si2Mn to have more economic advantages.And select the spring thread diameter d is that 8mm-12.5mm, mean diameter of coil D are 46mm, when spring free height H is 100--180mm, can meet design requirement well.Preferred active spring coils number is the 3-6 circle.Spring 4 is after alramenting is handled, and is antirust, the corrosion-resistant performance is better.
Fig. 2 shows a kind of common bicycle frame.Head pipe 1 is used to install bicycle front fork, and front fork passes head pipe 1, and front-wheel is installed below, and parts such as handlebar are installed above.An end of pipe 2 before head pipe 1 is fixedly connected on, the other end of preceding pipe 2 is fixedly connected with five-way 7.The upper end of standpipe 3 is used to install parts such as bike saddle, and the lower end is fixedly attached on the five-way 7.The back prong of back vent 6 is used to install bicycle rear, and front end and five-way 7 are hinged.Five-way 7 is used to install the bicycle middle shaft assembly.Spring 4 is hinged between standpipe 3 and the back vent 6 through piston sleeve assembly 5.Bicycle frame shown in Fig. 2 is common in general damping bicycle, and generally below 6mm, free height is also less than 100mm for the spring thread diameter of the spring that it adopted, and stiffness coefficient is less, only plays the shock-absorbing effect.And back vent 6 is hinged on the five-way 7, and also just in order to play cushioning effect, in fact, the pendulum angle of back vent 6 is very little under the effect of spring 4 and piston sleeve assembly 5.
Fig. 3 is the bicycle frame schematic representation of embodiments of the invention.In this embodiment, do not have five-way 7, preceding pipe 2 has been fixedly attached on the linkage section 8 with standpipe 3, generally is to take the mode of welding.Those of ordinary skills can imagine at an easy rate, and this linkage section 8 can be to be bent to form by preceding pipe 2 or standpipe 3, and pipe 2 directly is fixedly connected with standpipe 3 before this moment; Perhaps, linkage section 8 also can be independent member, for example independent template member or tubular articles; Preceding pipe 2 or standpipe 3 are welded to respectively on the linkage section 8; But adopt the template member as linkage section, more help the installation of the bicycle step-up system 10 shown in Fig. 5, therefore have more advantage.Though the linkage section 8 shown in Fig. 3 is fan-shaped, those of ordinary skills can imagine that it can be rectangular or other suitable shape.Should be noted that in Fig. 3 do not have annexation between back vent 6 and the linkage section 8, this makes the front end of back vent 6 have higher degrees of freedom.The front end of back vent 6 is preceding prong 61, and the centre is a main body 63, and the rear end is a back prong 62.Preceding prong 61 is used for cooperating transmitting torque with the step-up system 10 shown in Fig. 5.Back prong 62 is used to install bicycle rear.On main body 63, have a lug 64, have through hole on the lug 64, be used for the hinged of piston sleeve assembly 5, correspondingly, also have similar lug 31 on the standpipe 3.Certainly, those of ordinary skills can imagine, on standpipe 3 or back vent 6, directly open the hole, equally can Hinged piston sleeve assembly 5.On piston sleeve assembly 5, spring 4 of the present invention is installed.
The spring fastenings that Fig. 4 shows in the embodiments of the invention to be adopted, promptly the piston sleeve assembly 5 among Fig. 3 has been installed spring 4 on it.The big nut 511 that sleeve 51 inside have deep hole, appearance the part screw thread to be arranged and be connected with thread section is movably connected in its lower end flat head on the lug 64 of back vent 6; Piston rod 52 is at club head connecting head, backstop dish 521 to be arranged, and bar is provided with several pistons at interval, and this connecting head is movably connected on the lug 31 of standpipe 3, and the deep hole sliding fit of these several pistons and sleeve 51.Power transmission spring 4 is arranged between the backstop dish 521 of big nut 511 and piston rod 52 of sleeve 51; And big nut capable of using is regulated the elastic force of power transmission spring 4; Make the elastic force of power transmission spring 4 both can reach the effect of abundant transmission Gravity changer, can adapt to the people that rides of different weight again.Piston sleeve assembly 5 has played connection, fixes, leads and has adjusted and limit the effect of maximum compression stroke.Though in the present embodiment; Spring fastenings is that illustration goes out with piston sleeve assembly 5; But those of ordinary skills can imagine at an easy rate, spring fastenings can also have with general damping bicycle in similar structure that vibration damper adopted, perhaps other appropriate structures.Simultaneously, the mechanism that spring 4 and spring fastenings are formed equally can be as bicycle damper; Combination in advance; And according to the place of riding, the people's that rides body weight, choose the combination of the different number of coils, different preset elastic force and assemble fast, this seems particularly important when match.
Fig. 5 is the work schematic representation of the bicycle frame of embodiments of the invention, has wherein schematically shown bicycle rear 9 with dotted line, and step-up system 10 is installed on the linkage section 8 simultaneously.Under the situation of the road bump or the people's posture change of riding, draw or press down on the spring 4, back vent 6 application of forces.The wheelbase of trailing wheel 9 height overhead remains unchanged basically, thus back vent 6 can with trailing wheel 9 the axle be that pivot swings up and down, the Gravity changer that produces on the Vertical direction is converted into warping force, through its preceding prong 61, pass to step-up system 10.Adopt spring of the present invention and bicycle frame, the elastic force of transmission can reach more than the twice of the body weight for humans of riding.
Though the present invention combines above embodiment to describe; But the present invention is not defined to the foregoing description; And only receiving the qualification of claim, those of ordinary skills can easily make amendment to it and change, but do not leave essence design of the present invention and scope.
Claims (8)
1. power transmission spring, said power transmission spring is a spirality, and two ends also tightly polish, and manufactured materials is 60Si2Mn or 55Si2Mn, and the spring thread diameter is 8mm-12.5mm, and mean diameter of coil is 46mm, and the spring free height is 100--180mm.
2. power transmission spring according to claim 1 is characterized in that, the number of active coils of said power transmission spring is the 3-6 circle.
3. power transmission spring according to claim 1 is characterized in that, handle through phosphatization on said power transmission spring surface.
4. bicycle frame comprises:
The head pipe;
Preceding pipe;
Standpipe;
Linkage section;
Back vent, it has main body, preceding prong and back prong;
Spring fastenings;
Like each the described power transmission spring in the claim 1 to 3;
Said head pipe is fixedly connected on an end of said preceding pipe, and the other end of said preceding pipe and an end of said standpipe are fixedly connected on the said linkage section, and said power transmission spring is hinged between the main body of said standpipe and said back vent through said spring fastenings.
5. bicycle frame according to claim 4 is characterized in that, said linkage section is bent to form by pipe or said standpipe before said.
6. bicycle frame according to claim 4 is characterized in that, said linkage section is independent template member.
7. bicycle frame according to claim 4 is characterized in that, said spring fastenings is the piston sleeve assembly.
8. bicycle frame according to claim 4 is characterized in that, the main body of said standpipe and said back vent has the lug of band through hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102960088A CN102808879A (en) | 2012-08-20 | 2012-08-20 | Transmission spring and bicycle frame mounted with transmission spring |
| PCT/CN2012/080873 WO2014029135A1 (en) | 2012-08-20 | 2012-08-31 | Transmission spring and bicycle frame mounted with transmission spring |
| PCT/CN2013/081380 WO2014026592A1 (en) | 2012-08-13 | 2013-08-13 | Frame of power-boost bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102960088A CN102808879A (en) | 2012-08-20 | 2012-08-20 | Transmission spring and bicycle frame mounted with transmission spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102808879A true CN102808879A (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102960088A Pending CN102808879A (en) | 2012-08-13 | 2012-08-20 | Transmission spring and bicycle frame mounted with transmission spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102808879A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014026592A1 (en) * | 2012-08-13 | 2014-02-20 | Li Yunling | Frame of power-boost bicycle |
| CN112032153A (en) * | 2020-09-16 | 2020-12-04 | 太仓鸿瑞金属制品有限公司 | Wave bead fastening nail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380476Y (en) * | 1999-07-28 | 2000-05-31 | 张亚军 | Shock-absorbing and effort-saved bicycle |
| CN2595651Y (en) * | 2002-04-23 | 2003-12-31 | 翁中飞 | Ajustable double spring hydraulic motorcycle rear shock reducer |
| US6691991B1 (en) * | 2003-03-18 | 2004-02-17 | Tan-Cheng Huang | Shock absorber |
| DE202005011662U1 (en) * | 2005-07-25 | 2005-10-13 | Kind Shock Hi-Tech Co., Ltd. | Shock absorber for bicycle, comprising case for safe accommodation of spring |
| CN202783590U (en) * | 2012-08-20 | 2013-03-13 | 栗运岭 | Force transmission spring and bicycle frame provided with same |
-
2012
- 2012-08-20 CN CN2012102960088A patent/CN102808879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380476Y (en) * | 1999-07-28 | 2000-05-31 | 张亚军 | Shock-absorbing and effort-saved bicycle |
| CN2595651Y (en) * | 2002-04-23 | 2003-12-31 | 翁中飞 | Ajustable double spring hydraulic motorcycle rear shock reducer |
| US6691991B1 (en) * | 2003-03-18 | 2004-02-17 | Tan-Cheng Huang | Shock absorber |
| DE202005011662U1 (en) * | 2005-07-25 | 2005-10-13 | Kind Shock Hi-Tech Co., Ltd. | Shock absorber for bicycle, comprising case for safe accommodation of spring |
| CN202783590U (en) * | 2012-08-20 | 2013-03-13 | 栗运岭 | Force transmission spring and bicycle frame provided with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014026592A1 (en) * | 2012-08-13 | 2014-02-20 | Li Yunling | Frame of power-boost bicycle |
| CN112032153A (en) * | 2020-09-16 | 2020-12-04 | 太仓鸿瑞金属制品有限公司 | Wave bead fastening nail |
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Application publication date: 20121205 |