CN104192257A - Disc-type speed variation device - Google Patents

Disc-type speed variation device Download PDF

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Publication number
CN104192257A
CN104192257A CN201410495281.2A CN201410495281A CN104192257A CN 104192257 A CN104192257 A CN 104192257A CN 201410495281 A CN201410495281 A CN 201410495281A CN 104192257 A CN104192257 A CN 104192257A
Authority
CN
China
Prior art keywords
driving
speed
drive
gear
driven wheel
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
Application number
CN201410495281.2A
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Chinese (zh)
Inventor
董静洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei University for Nationalities
Original Assignee
Hubei University for Nationalities
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei University for Nationalities filed Critical Hubei University for Nationalities
Priority to CN201410495281.2A priority Critical patent/CN104192257A/en
Publication of CN104192257A publication Critical patent/CN104192257A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M17/00Transmissions characterised by use of rotary shaft, e.g. cardan shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio

Abstract

The invention discloses a disc-type speed variation device. The speed variation device comprises a power disc, driving pedals, a driving gear, a driving gear disc, a driving rod and speed variation pulling threads, wherein the power disc is fixedly connected with the driving pedals; at least two groups of concentric speed driving hole units taking a circular shape as a whole are arranged on the power disc; each driving hole unit consists of multiple gear position speed variation holes; the driving hole units are not the same in radius; the driving gear is arranged on the driving gear disc; the driving gear disc is fixedly connected with the driving rod; the driving pedals drive the driving gear disc to rotate through the power disc, the gear position speed variation holes and the driving gear in sequence; the driving gear disc drives the driving rod to rotate; the speed variation pulling threads are connected with a driving gear sleeve, and adjust the driving gear on the driving gear disc to enable the driving gear to be movably meshed into the two or more groups of the speed driving hole units. According to the disc-type speed variation device, multiple groups of speed variation holes adopting the power disc are used for realizing gear position change, and the driving rod is adopted for replacing a chain to delivery power, so that the disc-type speed variation device has the advantages that the gear changing is convenient, and the production cost and the usage cost are lowered.

Description

A kind of disc type transmission system
Technical field
The transmission of power fluted disc and the speed change field that the invention belongs to bicycle, relate to a kind of disc type transmission system, relates in particular to a kind of disc type transmission system that is applied to pure bicycle and man or Electrical Bicycle.
Background technology
Day by day serious atmospheric contamination, urban traffic congestion and energy shock forces the mankind constantly to find the vehicle of environment-friendly energy-saving.Meanwhile, cause manual labor fewer and feweri because production is day by day increasingly automated, office work becomes the main labor style of city white collar.So cause people to lack exercise more and more.Therefore become taking environmental protection and energy saving and appropriate exercise as bicycle and man and the Electrical Bicycle of characteristic the short distance traffic instrument that urban population is generally favored.But the driving system of main flow bicycle and speed change system are all almost that power fluted disc adds chain and stack flywheel is realized power transmission and speed change at present.Standard bicycle and hybrid electric bicycle are that power fluted disc drives chain drive trailing wheel to rotate, and the flywheel of Diameter Gradual Change by the multiple stacks on trailing wheel is realized speed change or realized speed change by the power fluted disc of multiple Diameter Gradual Change.This device of standard bicycle and Electrical Bicycle has many disadvantages:
1, manufacturing cost is high, and complex structure needs long chain, multiple stack flywheel, multiple stack power fluted disc and as burdensome speed change system;
2, maintenance cost is high, and in driving process, chain and flywheel are often infected with dust and earth, the vehicle difficulty of keeping a public place clean;
3, because chain is exposed to (speed-changing chain can not wrap up with mud guard) in dust, lubricating oil is easy to dry coming off, and causes the wearing and tearing of chain and gear to increase, and ride difficulty and maintenance cost are high;
4, at present the change-speed box of bicycle cannot free speed change before startup, can only could realize in the process of moving speed transformation, therefore in the time starting, cannot " rob shelves " to one grade of starting rapidly, it is the defect of current bicycle tradition change-speed box, on motor-driven bicycle, this traditional change-speed box uses extremely not convenient.
Summary of the invention
For the problems referred to above that exist in background technology, the invention provides a kind of disc type transmission system that adopts drive link to replace chain that transmission of power is travelled to back-wheel drive and can realize speed changing function.
The present invention is achieved through the following technical solutions:
A kind of disc type transmission system, is characterized in that: described disc type transmission system comprises power plate, drives pedal, driven wheel, drive gear disk, drive spindle, speed change bracing wire and is set in the driving gear wheel case of drive gear disk outside; Described power plate is fixedly connected with driving pedal; The radial direction of described power plate is provided with the driving driving hole group concentric with power plate; Described driving driving hole group at least comprises that the rounded First Speed of entirety drives driving hole group and second speed to drive driving hole group; Described First Speed drives driving hole group and second speed to drive driving hole group to form by multiple gear speed-changings hole; It is aniso-that described First Speed drives the radius of driving hole group and the radius of second speed driving driving hole group; On the circumferencial direction of described drive gear disk, be provided with can with the driven wheel of speed change hole phase interlock; Described drive gear disk is fixedly connected with drive spindle; Described driving pedal drives power plate synchronously to rotate; Described power plate drives drive gear disk to rotate by gear speed-changing hole and driven wheel; Described driven wheel drives the axial rotation of drive spindle along drive spindle by drive gear disk; Described speed change bracing wire is connected with driving gear wheel case, described speed change bracing wire by tethered sliding geared sleeve and adjust driven wheel in drive gear disk First Speed drive in driving hole group and second speed drive driving hole group in mobile interlock.
As preferably, drive gear disk of the present invention be radially provided with groove, in described groove, be provided with spring; Described driven wheel is arranged in groove by spring.
As preferably, driven wheel of the present invention is the smooth conical structure that is bullet-shaped in the diametric(al) of power plate; Described driven wheel is square in the tangential direction of power plate.
As preferably, speed change bracing wire of the present invention comprises the first speed change bracing wire and the second speed change bracing wire; Described the first speed change bracing wire and the second speed change bracing wire are connected to driving gear wheel case both sides; The driven wheel that the axial direction that described the first speed change bracing wire and the second speed change bracing wire drive driven wheel to be enclosed within power plate radial direction or drive link moves forward and backward and adjusts in drive gear disk drives in driving hole group with in second speed driving driving hole group and carries out mobile interlock at First Speed.
As preferably, disc type transmission system of the present invention also comprises and is set in the connecting element that drives pedal rotating shaft outside; Described connecting element is connected with driving gear wheel case by ball bearing of main shaft.
As preferably, drive gear disk of the present invention and drive spindle are fixedly linked, and described drive spindle is telescoping drive spindle.
As preferably, disc type transmission system of the present invention also comprise be set in power plate outside and make the gear-box case of power plate under sealing state; In described gear-box case, be filled with lubricating oil.
Compared with prior art, the present invention has the following advantages:
The invention provides a kind of disc type transmission system, this device is used on bicycle or on Electrical Bicycle, and this disc type change-speed box is made up of major parts such as power plate, driven wheel, drive link and transmission gears.On power plate, there are multiple apertures that concentric circles distributes that are, driven wheel and the mutual interlock of this aperture, power plate drives driven wheel to rotate with this, and driven wheel passes to transmission gear by power by drive link, and transmission gear band motor car wheel travels.No matter whether disc type change-speed box travelling, and can freely convert gear and speed, noiselessness, trouble free, light and flexible, and this advantage is that traditional change-speed box is incomparable; Driven wheel turns round in the system of sealing, is difficult for being infected with dust muddy water, the maintenance that needs hardly to keep a public place clean, and than traditional change-speed box, more than using material minimizing twice, manufacturing cost reduces more than five times, almost there is no maintenance cost in use procedure.The present invention adopts drive link to replace chain that transmission of power is travelled to back-wheel drive, avoids using flywheel and the long chain of multiple stacks; In order to realize speed changing function, adopt the power plate in the multi-turn speed change hole that is provided with radius gradual change to replace the gear transmission dish of standard bicycle, between the drive hole of this power plate and driven wheel, clutch displacement realizes the actuating speed conversion of bicycle simultaneously; Directly adopt the clutch speed-changing of power plate and driven wheel, make driving and speed change simpler, and save material, reduce production costs and use cost.
Brief description of the drawings
Fig. 1 is the structural representation of disc type transmission system provided by the present invention;
Fig. 2 is the other direction structural representation of disc type transmission system provided by the present invention;
Fig. 3 is the structural representation of drive gear disk of the present invention;
Fig. 4 is the tangent plane structural representation of driven wheel of the present invention in drive gear disk vertical direction;
Fig. 5 is the tangent plane structural representation of driven wheel of the present invention at drive gear disk hand of rotation;
Wherein:
0-power plate; Mono-grade of speed change hole of 1-; 2-second gear speed change hole; 3-three class gear shift hole; 4-four-speed gear shift hole; Five grades of speed change holes of 5-; 6-driven wheel; 7-driving gear wheel case; 8-the first speed change bracing wire; 9-the second speed change bracing wire; 10-drive spindle; 11-drives pedal; 13-connecting element; 14-drive gear disk; 15-spring; 16-drive gear disk axle center; 19-gear-box case.
Detailed description of the invention
The invention provides a kind of disc type transmission system, this disc type transmission system comprises power plate, drives pedal, driven wheel, drive gear disk, drive spindle and speed change bracing wire; Power plate is fixedly connected with driving pedal; The radial direction of power plate is provided with the driving driving hole group concentric with power plate; Drive driving hole group at least to comprise that the rounded First Speed of entirety drives driving hole group and second speed to drive driving hole group; First Speed drives driving hole group and second speed to drive driving hole group to form by multiple gear speed-changings hole; It is aniso-that First Speed drives the radius of driving hole group and the radius of second speed driving driving hole group; On the circumferencial direction of drive gear disk, be provided with can with the driven wheel of speed change hole phase interlock; Drive gear disk is fixedly connected with drive spindle; Drive pedal to drive power plate synchronously to rotate; Power plate drives drive gear disk to rotate by gear speed-changing hole and driven wheel; Driven wheel drives the axial rotation of drive spindle along drive spindle by drive gear disk; Speed change bracing wire is connected with driving gear wheel case, and the driven wheel that speed change bracing wire moves to adjust in drive gear disk in drive spindle rectilinear direction by traction drive geared sleeve mutually moves conversion in First Speed driving driving hole group and in second speed driving driving hole group.
The type of drive of disc type transmission system provided by the present invention is: driven wheel is tightly engaged in the gear speed-changing hole of power plate, cyclist tramples driving pedal, power plate rotates and passes through the moving driven wheel of gear speed-changing pore area and rotate, driven wheel drives drive spindle to rotate, drive spindle drives the trailing wheel of bicycle or Electrical Bicycle to rotate (referring to the arrow part of Fig. 1) again, thereby drives vehicle to advance.
Drive gear disk be radially provided with groove, in groove, be provided with spring; Driven wheel is arranged in groove by spring.
Driven wheel is the smooth conical structure that is bullet-shaped in the diametric(al) of power plate; Driven wheel is square in the tangential direction of power plate.
Disc type transmission system also comprises the connecting element that is set in driving pedal rotating shaft outside and the driving gear wheel case that is set in drive gear disk outside; Connecting element is connected with driving gear wheel case by ball bearing of main shaft.
The gear shift mode of disc type transmission system provided by the present invention is: the first speed change bracing wire and the second speed change bracing wire are connected to driving gear wheel case both sides, prepare in starting and driving process at vehicle, loosen or strain the second speed change bracing wire, tension or loosen the first speed change bracing wire, drive the gear speed change hole of driving hole group or second speed to drive in the gear speed change hole of driving hole group thereby driven wheel is drawn in to First Speed, complete the change of car speed at different gears;
Drive gear disk is connected with drive spindle by spline, and drive spindle is telescoping drive spindle.
Disc type transmission system also comprise be set in power plate outside and make the gear-box case of power plate under sealing state; In gear-box case, be filled with lubricating oil.
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.
It should be noted that, in the present embodiment, the power plate that the present invention selects comprises five the speed drive driving hole groups that are provided with of from-inner-to-outer,, transmission system provided by the present invention comprises five kinds of different speed, certainly, can be according to actual needs, the speed drive driving hole group of varying number is set.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of disc type transmission system, comprise one grade of speed change hole 1 on power plate 0 and this power plate of driving effect, second gear speed change hole 2, three class gear shift hole 3, four-speed gear shift hole 4, five grades of speed change holes 5, also comprise the driven wheel 6 being arranged on drive spindle 10, driving gear wheel case 7, the first speed change bracing wire 8, the second speed change bracing wire 9, drive pedal 11, connecting element 13 with driving gear wheel case 7 sliding block joints, drive gear disk 14, the spring 15 being connected with driven wheel 6 in drive gear disk 14, the gear-box case 19 of drive gear disk axle center 16 and sealing.
The first speed change bracing wire 8 is connected with driving gear wheel case 7 two ends respectively with the second speed change bracing wire 9, and the tightly interlock of three class gear shift hole 2 on driven wheel 6 and power plate 0 under normal circumstances, in second gear; In the time of vehicle start or climbing, tension the first speed change bracing wire 8 is loosened the second speed change bracing wire 9 simultaneously and is made driven wheel 6 move to one grade of speed change hole 1, now just can realize one grade of driving; In the process of moving, for pick up speed, can driven wheel be moved to three class gear shift hole 3, four-speed gear shift hole 4 or five grades of speed change holes 5 by drawing the first speed change bracing wire 8 and the second speed change bracing wire 9, realize actuating speed conversion.In speed-change process, the radially play motion in order to ensure driven wheel 6 on power plate 0, drive spindle 10 is Telescopic rod structure.
Referring to Fig. 3, Fig. 4 and Fig. 5, driven wheel 6 is evenly arranged on drive gear disk 14 peripheries, driven wheel 6 can stretch in drive gear disk 14, this Telescopic is that the spring 15 by being connected with driven wheel 6 is realized, driven wheel 6 is the smooth conical structure of bullet-shaped in the diametric(al) of power plate 0, and this structure is convenient to this driven wheel 6 and is free to slide between five speed change holes; The tangential direction that driven wheel 6 is limited to power plate 0 is hard square structure.
Driven wheel 6 is fixed in driving gear wheel case 7 and can freely rotates with bearing, driven wheel 6 and driving gear wheel case 7 are drawn by the first speed change bracing wire 8 and the second speed change bracing wire 9, can between five of a power plate 0 speed change hole (one grade of speed change hole 1, second gear speed change hole 2, three class gear shift hole 3, four-speed gear shift hole 4 and five grades of speed change holes 5), be free to slide; Driving gear wheel case 7 is fixedly connected with by ball bearing of main shaft with connecting element 13, and driving gear wheel case 7 can be free to slide in the radial direction of power plate 0.Gear-box case 19 seals power plate 0, driven wheel 6, driving gear wheel case 7, at the interior filling lubricating oil of gear-box case 19.
Disc type transmission system provided by the present invention in use, may occur that lubricating oil in change speed gear box reduces, now can emit excessive fuel consumption with the drain oil that screwdriver is turned on change speed gear box bottom, then tighten drain oil, inject machine oil from change speed gear box top oil hole, then tighten oil hole.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.

Claims (7)

1. a disc type transmission system, is characterized in that: described disc type transmission system comprises power plate, drives pedal, driven wheel, drive gear disk, drive spindle, speed change bracing wire and is set in the driving gear wheel case of drive gear disk outside; Described power plate is fixedly connected with driving pedal; The radial direction of described power plate is provided with the driving driving hole group concentric with power plate; Described driving driving hole group at least comprises that the rounded First Speed of entirety drives driving hole group and second speed to drive driving hole group; Described First Speed drives driving hole group and second speed to drive driving hole group to form by multiple gear speed-changings hole; It is aniso-that described First Speed drives the radius of driving hole group and the radius of second speed driving driving hole group; On the circumferencial direction of described drive gear disk, be provided with can with the driven wheel of speed change hole phase interlock; Described drive gear disk is fixedly connected with drive spindle; Described driving pedal drives power plate synchronously to rotate; Described power plate drives drive gear disk to rotate by gear speed-changing hole and driven wheel; Described driven wheel drives the axial rotation of drive spindle along drive spindle by drive gear disk; Described speed change bracing wire is connected with driving gear wheel case, described speed change bracing wire by tethered sliding geared sleeve and adjust driven wheel in drive gear disk First Speed drive in driving hole group and second speed drive driving hole group in mobile interlock.
2. disc type transmission system according to claim 1, is characterized in that: described drive gear disk be radially provided with groove, in described groove, be provided with spring; Described driven wheel is arranged in groove by spring.
3. disc type transmission system according to claim 2, is characterized in that: described driven wheel is the smooth conical structure that is bullet-shaped in the diametric(al) of power plate; Described driven wheel is square in the tangential direction of power plate.
4. according to the disc type transmission system described in claim 1 or 2 or 3, it is characterized in that: described speed change bracing wire comprises the first speed change bracing wire and the second speed change bracing wire; Described the first speed change bracing wire and the second speed change bracing wire are connected to driving gear wheel case both sides; The driven wheel that the axial direction that described the first speed change bracing wire and the second speed change bracing wire drive driven wheel to be enclosed within power plate radial direction or drive link moves forward and backward and adjusts in drive gear disk drives in driving hole group with in second speed driving driving hole group and carries out mobile interlock at First Speed.
5. disc type transmission system according to claim 4, is characterized in that: described disc type transmission system also comprises the connecting element that is set in driving pedal rotating shaft outside; Described connecting element is connected with driving gear wheel case by ball bearing of main shaft.
6. disc type transmission system according to claim 5, is characterized in that: described drive gear disk and drive spindle are fixedly linked, described drive spindle is telescoping drive spindle.
7. disc type transmission system according to claim 6, is characterized in that: described disc type transmission system also comprise be set in power plate outside and make the gear-box case of power plate under sealing state; In described gear-box case, be filled with lubricating oil.
CN201410495281.2A 2014-09-24 2014-09-24 Disc-type speed variation device Pending CN104192257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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CN201410495281.2A CN104192257A (en) 2014-09-24 2014-09-24 Disc-type speed variation device

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CN104192257A true CN104192257A (en) 2014-12-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107554681A (en) * 2017-08-30 2018-01-09 倍能科技(广州)有限公司 A kind of speed changer and bicycle
CN113371123A (en) * 2021-06-25 2021-09-10 李金旺 Sliding gear variable speed shaft transmission structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189729760A (en) * 1897-12-15 1898-11-12 George Wyatt Improvements in or relating to Driving Mechanism, especially suitable for Cycles.
US3863503A (en) * 1973-04-30 1975-02-04 David C Loeb Multispeed, chainless vehicle drive system
US5622081A (en) * 1995-12-29 1997-04-22 Clements; Thomas M. Multiple speed shaft drive for a bicycle
CN2394843Y (en) * 1999-05-18 2000-09-06 谢水根 Speed changing device for bicycle
KR20020066353A (en) * 2001-02-09 2002-08-16 김철수 A Transmission system of vertical gear and multi-stage flat gear
CN102019995A (en) * 2009-09-22 2011-04-20 陈源海 Transmission speed change mechanism for chainless bicycle
CN203268288U (en) * 2013-01-28 2013-11-06 南京航空航天大学 Variable-speed drive device of chainless bicycle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189729760A (en) * 1897-12-15 1898-11-12 George Wyatt Improvements in or relating to Driving Mechanism, especially suitable for Cycles.
US3863503A (en) * 1973-04-30 1975-02-04 David C Loeb Multispeed, chainless vehicle drive system
US5622081A (en) * 1995-12-29 1997-04-22 Clements; Thomas M. Multiple speed shaft drive for a bicycle
CN2394843Y (en) * 1999-05-18 2000-09-06 谢水根 Speed changing device for bicycle
KR20020066353A (en) * 2001-02-09 2002-08-16 김철수 A Transmission system of vertical gear and multi-stage flat gear
CN102019995A (en) * 2009-09-22 2011-04-20 陈源海 Transmission speed change mechanism for chainless bicycle
CN203268288U (en) * 2013-01-28 2013-11-06 南京航空航天大学 Variable-speed drive device of chainless bicycle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107554681A (en) * 2017-08-30 2018-01-09 倍能科技(广州)有限公司 A kind of speed changer and bicycle
CN107554681B (en) * 2017-08-30 2023-08-29 宁波恒隆车业有限公司 Transmission and bicycle
CN113371123A (en) * 2021-06-25 2021-09-10 李金旺 Sliding gear variable speed shaft transmission structure

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Application publication date: 20141210