CN87208542U - Directly-driven bicycle with a stepless speed-changing device - Google Patents
Directly-driven bicycle with a stepless speed-changing device Download PDFInfo
- Publication number
- CN87208542U CN87208542U CN198787208542U CN87208542U CN87208542U CN 87208542 U CN87208542 U CN 87208542U CN 198787208542 U CN198787208542 U CN 198787208542U CN 87208542 U CN87208542 U CN 87208542U CN 87208542 U CN87208542 U CN 87208542U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- rope
- bicycle
- vehicle frame
- rope sheave
- 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.)
- Withdrawn
Links
Images
Abstract
The utility model discloses a directly-driven bicycle with a stepless speed-changing device with a reciprocating lever. The utility model is designed for improving the bicycle in the reached technology unable to direct driving or stepless gear. The directly-driven bicycle comprises two compounding ratchet wheels [6] and two gear shifters [4], and the compounding ratchet wheels comprise two flywheels which are respectively connected with a crank pedal [2] and a rope wheel [5]. The former can cause the wheels to advance through the ratchet wheel directly, and the latter causes the wheels to advance through the gear shifter [4] and the ratchet wheel. The displacement of the gear shifter [4] is changed following the load, achieving automatic stepless speed regulating to improve the speed of the bicycle. When an elasticity rope [3] is used, the gear shifter can be omitted.
Description
The utility model relate to a kind of have reciprocating lever and by the bicycle of the ratchet of rider direct drive on imput shaft, and relate more specifically to a kind of pedal transmission mechanism of direct drive stepless change bicycle.
The traditional type of drive of bicycle is a pair of oppositely directed crank and the pedal spare that is fixed in axis by the rider pedal, thereby make the sprocket rotation that links to each other with axis, and the flywheel that is loaded on rear axle is rotated by chain gear, drive rear axle and the wheel that is loaded on rear axle by flywheel, whole bicycle is pushed and then travels forward.But traditional bicycle, the rider both feet will be made 360 ° cycle event, strong dead point in 360 ° revolution, and be not work done in a big way or make idle work, again because crank short and small, effort just during pedal, vehicle structure lacks speed-changing mechanism, and need both feet to pedal, make single pin the disabled be difficult to shortcomings such as use.Though Chinese patent application CN85202099U, CN85203848U, CN85203897U, CN85204908U have done improvement to traditional bicycle, adopt lever part as CN85202099U, drive drive disk assembly by steel rope bicycle is advanced, it utilizes steel rope to link to each other with the different points of contact of lever part to reach the speed changing effect that level is arranged.CN85203897U then adopts two lever pedal parts, drive chain and make traditional flywheel drive sprocket rotation with it, pass through another chain band wheel by described sprocket wheel again, though it has changed the type of drive of traditional bicycle, framing member is more and complicated.The bicycle of above-mentioned patent application all can't direct drive, if fracture is arranged, bicycle just can't be ridden as the steel rope of transmission component or chain; Above-mentioned bicycle does not have stepless speed changing mechanism, does not particularly have the usefulness with load size automatic compensation speed.
Primary and foremost purpose of the present utility model is to design the bicycle that a kind of crank pedal by pedal directly comes the powered vehicle motion, another purpose of the present utility model is to be provided with a speed-changing mechanism, makes it can be with load-carrying situation infinite speed variation voluntarily; Another purpose of the utility model can realize the purpose of travelling when being to drive with single pin equally.
The utility model is realized by following design: this stepless change bicycle by the rider direct drive comprises vehicle frame, steering hardware connected to ground, saddle, at least one wheel and pedal transmission mechanism; Above-mentioned pedal transmission mechanism comprises at least one compound ratchet (also can be two), and the crank pedal that equates with compound ratchet of number, and rope sheave and rope, rope one end are fixed on the rope sheave and part is wrapped on the rope sheave; Described compound ratchet by two can separate work the superimposed side (side or two sides) of turning cylinder that constitutes and be contained in the driving wheel of bicycle of ratchet, described crank pedal links to each other with compound ratchet respectively with rope sheave, a ratchet in the compound ratchet directly drives work by crank pedal, and another ratchet of compound ratchet drives the rope sheave that links to each other with this ratchet by crank pedal by described rope and carries out work.
As a kind of embodiment, in this bicycle, also comprise a sliding members, this sliding members is fixed on the vehicle frame, and above-mentioned rope is resilient rope, and the rope between crank pedal and rope sheave is supported by this sliding members and can slide on sliding members.
As another kind of embodiment, in this bicycle, also comprise a shifter bar, one end and the vehicle frame of shifter bar constitutes rotatingly captives joint, between shifter bar and vehicle frame, elastic element is housed, keeps or return to the trend of the predetermined extreme higher position (being reference position) of shifter bar under the effect of elastic element thereby shifter bar is had; On the other end of shifter bar sliding members is housed, the rope between crank pedal and the rope sheave is supported by this sliding members and can slide on sliding members.
Effect of the present utility model is tangible: with two can separate work ratchet link and form a compound ratchet as drive disk assembly, one of them ratchet can directly drive work by crank pedal, thereby realize the direct drive the purpose of this utility model, another ratchet then drives rigid cord and the speed-changing mechanism by having elastic component by crank pedal, perhaps drive the rubber-like rope and make its work, thereby be issued to the purpose of regulating the speed of a motor vehicle with load voluntarily at elastic reaction.Described compound ratchet only need can drive work with single pin.
In addition: the utility model can be with the difference of load the step-less adjustment speed of a motor vehicle and can improve road speed voluntarily, even under the situation of rope fracture, still reliable crank pedal drives a ratchet and travels, and in prior art, the chain or the rope that are used for transmission promptly can't be worked if rupture.The not only suitable normal person's both feet of the utility model drive, and single pin the disabled still can work as usual.
The above-mentioned design that the utility model proposes goes for the pedal transmission mechanism in the foot-operated passenger and freight car of three-wheel, and the pedal transmission mechanism of two wheel bicycles can also be applicable to that the acrobat waits the pedal transmission mechanism of the unicycle that uses.
Below in conjunction with accompanying drawing embodiment of the present utility model is described, thereby make CONSTRUCTED SPECIFICATION of the present utility model, characteristics, purpose and its advantage more clear.
The drawing explanation of accompanying drawing:
Accompanying drawing 1 is the utility model embodiment scheme drawing.
Accompanying drawing 2 is the compound ratchet structure scheme drawings of present embodiment.
Accompanying drawing 3 is present embodiment speed-changing mechanism structural representations.
The service condition figure of shifter bar when accompanying drawing 4 is present embodiment employing rigid cord.
Speed-changing mechanism scheme drawing when accompanying drawing 5 is present embodiment employing elastic rope.
Now 1～accompanying drawing 4 illustrates the utility model embodiment in conjunction with the accompanying drawings.This practicality is executed example and is as shown in Figure 1 two-wheeled cycle, it comprises vehicle frame ［ 1 ］, and the steering hardware that links to each other with vehicle frame ［ 1 ］, saddle, luggage carrier, two wheels, the both sides of wheel are respectively by a compound ratchet ［ 6 ］ on axletree of rear wheel, and respectively there is a shifter bar at place, the both sides of vehicle frame ［ 1 ］.
Described compound ratchet ［ 6 ］ comprises inner ring ［ 30 ］, two ratchet shells ［ 34 ］, two silk retainings ［ 32 ］, three groups of steel balls ［ 33 ］, shell ［ 37 ］ and rope sheaves ［ 5 ］, described inner ring ［ 30 ］ is twisted on floral disc ［ 26 ］, its outer ring centre has a pair of uniform wide type ratchet ［ 27 ］, and width is near the twice of helical teeth ［ 29 ］ width on the ratchet shell ［ 34 ］.There is back-up ring ［ 36 ］ outer ring of ［ 34 ］ end faces of described ratchet shell, as twisting the spacing of shell ［ 37 ］ on ratchet shell ［ 34 ］ and rope sheave ［ 5 ］; On the inner ring of the same side end face at back-up ring ［ 36 ］ place, be evenly equipped with the helical teeth ［ 29 ］ that even number and ratchet ［ 27 ］ are complementary, form a compound ratchet ［ 6 ］ two ratchet shells ［ 34 ］ helical teeth ［ 29 ］ place end face near the time, their described helical teeth ［ 29 ］ should be arranged in the same way, can guarantee the work that can be simultaneously matches with helical teeth ［ 29 ］ on two ratchet shells ［ 34 ］ of the ratchet ［ 27 ］ of wide type.Described silk retaining ［ 32 ］ is twisted on inner ring ［ 30 ］, with ratchet shell ［ 34 ］ one group of steel ball ［ 33 ］ is pushed down simultaneously, two ratchet shells ［ 34 ］ are then pushed down another group steel ball ［ 33 ］, and the effect of three groups of steel balls ［ 33 ］ is to make respectively and can rolls relatively with two parts of their contacts.On described shell ［ 37 ］ and the rope sheave ［ 5 ］ dust ring ［ 39 ］ is arranged respectively, twist respectively when two ratchet shells ［ 34 ］ are gone up when them, two dust rings ［ 39 ］ intersection mutually play the proofing dust and protecting effect.
Described shell ［ 37 ］ is twisted on the ratchet shell ［ 34 ］ near floral disc ［ 26 ］ side, is connected with a crank pedal ［ 2 ］ on the shell ［ 37 ］, its 0 termination locating to be fixed with steel rope ［ 3 ］; One end ［ 21 ］ of dish type torsion spring ［ 23 ］ is buckled on the vehicle frame ［ 1 ］, and the other end ［ 12 ］ is buckled on the crank pedal ［ 2 ］.When crank pedal ［ 2 ］ is pedaled following time, the ratchet shell ［ 34 ］ that joins by shell ［ 37 ］ and crank pedal ［ 2 ］ can turn round an angle, helical teeth ［ 29 ］ on the ratchet shell ［ 34 ］ all rotates inner ring ［ 30 ］ and floral disc ［ 26 ］ and wheel by ratchet ［ 27 ］ simultaneously, thereby reaches the purpose of direct drive wheel.When crank pedal ［ 2 ］ not being used when pedaling power, crank pedal ［ 2 ］ can rely on the power of dish type torsion spring ［ 23 ］ to restore to the original state.
Described rope sheave ［ 5 ］ is twisted on the ratchet shell ［ 34 ］ near vehicle frame ［ 1 ］ side, can supply steel rope ［ 3 ］ coiling multi-turn in the grooving ［ 14 ］ on the rope sheave ［ 5 ］, one end of steel rope ［ 3 ］ is fixed on the rope sheave ［ 5 ］, and 0 of being fixed on the crank pedal ［ 2 ］ by pulley ［ 42 ］ locates the other end.Therefore crank pedal ［ 2 ］ is pedaled following time, steel rope ［ 3 ］ is drawn out grooving ［ 14 ］, frictionally rotates rope sheave ［ 5 ］ simultaneously, can turn a wheel by ratchet shell ［ 34 ］, helical teeth ［ 29 ］, ratchet ［ 27 ］, inner ring ［ 30 ］, floral disc ［ 26 ］ equally, because steel rope ［ 3 ］ can be pulled out grooving ［ 14 ］ multi-turn, wheel also should turn over multi-turn, so in the ordinary course of things, the bicycle of this structure is faster than the speed of the bicycle that has sprocket wheel.Because an end ［ 15 ］ of dish type torsion spring ［ 24 ］ is buckled on the vehicle frame ［ 1 ］, the other end ［ 22 ］ is buckled in rope sheave ［ 5 ］, so when crank pedal ［ 2 ］ restores, steel rope ［ 3 ］ forfeiture pulling force, with regard to torsion rope sheave is oppositely gone back to, regain steel rope ［ 3 ］ simultaneously by dish type torsion spring ［ 24 ］.
Described shifter bar ［ 4 ］ is respectively put one in the both sides of vehicle frame ［ 1 ］, its end can turn round around pivot pin ［ 46 ］ as shown in Figure 3, and be fixed on the vehicle frame ［ 1 ］ by pivot pin ［ 46 ］, tubular torsion spring ［ 45 ］ is placed on the pivot pin ［ 46 ］, two ends are buckled in respectively on vehicle frame ［ 1 ］ and the shifter bar ［ 4 ］, the other end of shifter bar ［ 4 ］ has a shouldered shaft pin ［ 41 ］, and pulley ［ 42 ］ is an axis of revolution with shouldered shaft pin ［ 41 ］, and the notch on it is then for passing through steel rope ［ 3 ］.When the suffered pulling force of steel rope ［ 3 ］ during less than the torsion of tubular torsion spring ［ 45 ］, shifter bar ［ 4 ］ is unshift, and steel rope ［ 3 ］ rotates and is drawn out by pulley ［ 42 ］ strip winding shoulder pivot pin ［ 41 ］; When the suffered pulling force of steel rope ［ 3 ］ during, tubular torsion spring ［ 45 ］ distortion greater than the torsion of tubular torsion spring ［ 45 ］, stored energy, shifter bar ［ 4 ］ around pivot pin ［ 46 ］ to angle of bottom offset, as shown in Figure 4.The displacement size is decided by the load carrying ability of bicycle.When the suffered pulling force of steel rope ［ 3 ］ disappeared, the torsion of shifter bar ［ 4 ］ tube shape torsion spring ［ 45 ］ restored to the original state.
Now 5 illustrate that one of the present utility model is improved embodiment in conjunction with the accompanying drawings, it adopts rubber-like rope ［ 3 ］, described elastic rope ［ 3 ］ two ends still are individually fixed on vehicle frame ［ 1 ］ and the rope sheave ［ 5 ］, and the elastic stress of rope ［ 3 ］ itself has substituted the effect of tubular torsion spring ［ 45 ］.This improvement example can be economized except that shifter bar ［ 4 ］, and pulley ［ 42 ］ directly is fixed on the vehicle frame ［ 1 ］ with the shouldered shaft pin.When the suffered pulling force of rope ［ 3 ］ during less than own elastic stress, rope ［ 3 ］ is pulled out rope sheave ［ 5 ］ and is turned a wheel; When suffered pulling force during greater than elastic stress, rope ［ 3 ］ produces elastic deformation, and the rope ［ 3 ］ on the rope sheave ［ 5 ］ is pulled out a bit relatively less, and promptly the angle that turns over of wheel is a little bit smaller, thereby reaches the purpose of automatic stepless speed change.［ 2 ］ among Fig. 5 still represent crank pedal.
Described embodiment and improvement example owing to have two compound ratchets ［ 6 ］ that work alone separately, so can scrunch by both feet, also can be operated by single pin, and be all unaffected.
The utility model not only can be used for the bicycle of two-wheel, also can be used for wheelbarrow or three-wheel vehicle.
Claims (8)
1, a kind of stepless change bicycle by the rider direct drive, it comprises vehicle frame, steering hardware connected to ground, saddle, at least one wheel and pedal transmission mechanism, of the present utility model being characterised in that, above-mentioned pedal transmission mechanism comprises at least one compound ratchet, and the number crank pedal, rope sheave and the rope that equate with compound ratchet, rope one end is fixed on the rope sheave and part is wrapped on the rope sheave; Described compound ratchet by two can separate work the superimposed side of turning cylinder that constitutes and be contained in the driving wheel of bicycle of ratchet, described crank pedal links to each other with compound ratchet respectively with rope sheave, a ratchet in the compound ratchet directly drives work by crank pedal, and another ratchet of compound ratchet drives the rope sheave that links to each other with this ratchet by crank pedal by described rope and carries out work.
2, according to the described stepless change bicycle of claim 1, it is characterized in that also comprising a shifter bar, one end and the vehicle frame of shifter bar constitutes rotatingly captives joint, between shifter bar and vehicle frame, elastic element is housed, keeps or return to the trend of the predetermined extreme higher position (being reference position) of shifter bar under the effect of elastic element thereby shifter bar is had; On the other end of shifter bar sliding members is housed, the rope between crank pedal and the rope sheave is supported by this sliding members and can slide on sliding members.
3, according to the described stepless change bicycle of claim 1, it is characterized in that also comprising a sliding members, this sliding members is fixed on the vehicle frame, above-mentioned rope is resilient rope, is supported by this sliding members and is slidably sliding on the element at the rope between crank pedal and the rope sheave.
4, according to the described stepless change bicycle of claim 3, it is characterized in that above-mentioned sliding members is pulley ［ 42 ］ and is directly fixed on the vehicle frame ［ 1 ］ with the shouldered shaft pin, notch then is used for supporting and passing through rubber-like rope ［ 3 ］ on it.
5, by claim 1 or 2 or 3 or 4 described bicycle with stepless speed change, it is characterized in that described compound ratchet ［ 6 ］ comprises inner ring ［ 30 ］, two ratchet shells ［ 34 ］, two silk retainings ［ 32 ］, three groups of steel balls ［ 33 ］, shell ［ 37 ］ and rope sheaves ［ 5 ］, described inner ring ［ 30 ］ is twisted on floral disc ［ 26 ］, and its outer ring centre has a pair of uniform wide type ratchet ［ 27 ］; There is back-up ring ［ 36 ］ outer ring of ［ 34 ］ end faces of described ratchet shell, be evenly equipped with the helical teeth ［ 29 ］ that even number and ratchet ［ 27 ］ are complementary on the inner ring with the side end face, form a compound ratchet ［ 6 ］ two ratchet shells ［ 34 ］ helical teeth ［ 29 ］ place end face mutually by the time, their described helical teeth ［ 29 ］ should be arranged in the same way; Described silk retaining ［ 32 ］ is twisted on inner ring ［ 30 ］, with ratchet shell ［ 34 ］ one group of steel ball ［ 33 ］ is pushed down simultaneously, and two ratchet shells ［ 34 ］ are then pushed down another group steel ball ［ 33 ］; On described shell ［ 37 ］ and the rope sheave ［ 5 ］ a cross one another dust ring ［ 39 ］ is arranged respectively, and twist respectively on two ratchet shells ［ 34 ］.
6, by the described bicycle with stepless speed change of claim 5, it is characterized in that described crank pedal ［ 2 ］, it is connected with the shell ［ 37 ］ that is screwed near on the ratchet shell ［ 34 ］ of floral disc ［ 26 ］ side; 0 termination locating to be fixed with rope ［ 3 ］ of described crank pedal ［ 2 ］; One end ［ 21 ］ of dish type torsion spring ［ 23 ］ is buckled on the vehicle frame ［ 1 ］, and the other end ［ 12 ］ is buckled on the crank pedal ［ 2 ］.
7, by the described bicycle with stepless speed change of claim 6, it is characterized in that described rope sheave ［ 5 ］ twists on the ratchet shell ［ 34 ］ near vehicle frame ［ 1 ］ side, the grooving ［ 14 ］ on the rope sheave ［ 5 ］ can supply rope ［ 3 ］ coiling multi-turn; One end of described rope ［ 3 ］ is fixed on the rope sheave ［ 5 ］; One end ［ 15 ］ of dish type torsion spring ［ 24 ］ is buckled on the vehicle frame ［ 1 ］, and the other end ［ 22 ］ is buckled on the rope sheave ［ 5 ］.
8, by the described direct drive bicycle with stepless speed change of claim 7, it is characterized in that described shifter bar ［ 4 ］, its end can turn round around pivot pin ［ 46 ］, and is fixed on the vehicle frame ［ 1 ］ by pivot pin ［ 46 ］; Tubular torsion spring ［ 45 ］ is placed on the pivot pin ［ 46 ］, and two ends are buckled in respectively on vehicle frame ［ 1 ］ and the shifter bar ［ 4 ］; The other end of described shifter bar ［ 4 ］ has a shouldered shaft pin ［ 41 ］, and pulley ［ 42 ］ is an axis of revolution with shouldered shaft pin ［ 41 ］, and the notch on it is then for passing through rope ［ 3 ］.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN198787208542U CN87208542U (en) | 1987-05-26 | 1987-05-26 | Directly-driven bicycle with a stepless speed-changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN198787208542U CN87208542U (en) | 1987-05-26 | 1987-05-26 | Directly-driven bicycle with a stepless speed-changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87208542U true CN87208542U (en) | 1988-08-10 |
Family
ID=4823796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN198787208542U Withdrawn CN87208542U (en) | 1987-05-26 | 1987-05-26 | Directly-driven bicycle with a stepless speed-changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87208542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109609A (en) * | 2015-09-15 | 2015-12-02 | 沈嘉诚 | Single-rope stepless speed regulating bicycle |
-
1987
- 1987-05-26 CN CN198787208542U patent/CN87208542U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109609A (en) * | 2015-09-15 | 2015-12-02 | 沈嘉诚 | Single-rope stepless speed regulating bicycle |
| CN105109609B (en) * | 2015-09-15 | 2017-12-15 | 沈嘉诚 | Single rope type stepless speed regulating bicycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4579188A (en) | Multi-speed transmission for friction driven cycles | |
| WO2023077702A1 (en) | Swingable shaft-driven tricycle | |
| CN1144729C (en) | Operation force compensation device for drive device of bicycle | |
| EP1151912A1 (en) | Swing type tricycle | |
| CN103754316A (en) | Front and rear wheel dual-drive bicycle | |
| CN87208542U (en) | Directly-driven bicycle with a stepless speed-changing device | |
| CN209719828U (en) | A kind of front-rear-wheel double-driven bicycle driving separation | |
| CN2889859Y (en) | Stub axle double rear wheel drive manpower tricycle | |
| CN203780723U (en) | Front and back wheel dual-drive bicycle | |
| CN101342928A (en) | Ratchet type bicycle driver | |
| CN2615431Y (en) | Bidirectional driving directional output wheel | |
| CN87207883U (en) | Propulsion mean for manpower pedalling rope | |
| CN2351362Y (en) | Directly driving wheel bicycle | |
| CN2182785Y (en) | Stepless speed changing device for bicycle | |
| CN213262819U (en) | Chainless bicycle | |
| CN2590844Y (en) | Inertial booster bicycle | |
| CN2659788Y (en) | Driving gear of manpower vehicle and univesal damping and boosting bicycle | |
| CN2416023Y (en) | Glidewheel bicycle | |
| CN1211248C (en) | Double-drive bicycle | |
| CN100364847C (en) | Collapsible light bicycle | |
| CN2179320Y (en) | Man-power pedal vehicle level gear drive mechanism | |
| CN2391800Y (en) | Bicycle | |
| CN2293510Y (en) | Direct-pedal double-tangent bicycle | |
| CN2228053Y (en) | Speed variator for manpower tricycle | |
| CN2570157Y (en) | In-line gear driving bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address of the applicant after: Zhejiang Daishan Huayue Cashmere Products Co., Ltd. Address of the applicant before: Zhejiang Second Light Industry Bureau of Daishan County |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT ADDRESS; FROM: SECOND LIGHT INDUSTRY BUREAU, DAISHAN COUNTY, ZHEJIANG PROVINCE TO: HUALE ELECTRIC CASHMERE PRODUCTS CO., LTD., DAISHAN COUNTY, ZHEJIANG PROVINCE |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |