CN2561670Y - Spring energy stored bicycle with two sprocket wheels - Google Patents
Spring energy stored bicycle with two sprocket wheels Download PDFInfo
- Publication number
- CN2561670Y CN2561670Y CN02276585U CN02276585U CN2561670Y CN 2561670 Y CN2561670 Y CN 2561670Y CN 02276585 U CN02276585 U CN 02276585U CN 02276585 U CN02276585 U CN 02276585U CN 2561670 Y CN2561670 Y CN 2561670Y
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- China
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- wheel
- pawl
- ratchet
- ring
- spring
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- Expired - Fee Related
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Abstract
The utility model relates to a manpower bicycle in transportation, aiming to solve the problems of prior bicycle such as force-consuming driving and inconvenient back up. The bicycle comprises a chassis, a saddle, handles, wheels and left and right drive mechanisms thereof, wherein a crank-pedal drive wheel (7) is transmissively connected with a sprag clutch (19) connected with the wheels through a transmission belt (18); the transmission phase difference of the left and the right drive mechanisms is 180DEG; the drive wheel has a ratchet disk (10) and a pawl disk (12); a drive pawl (14) connected with a spring (15) on the pawl disk is engaged with one inner ratchet (11) of the ratchet disk; the transmission belt is connected with the pawl disk in a winding manner; the sprag clutch has a pawl wheel (25) in transmissive connection with an axle (20), an inner ratchet (22) connected with the wheels, and an energy-storage spring (35) connected with the pawl wheel and the axle; a pawl (33) connected with a pawl spring (34) on the pawl wheel is engaged with the inner ratchet wheel; and the transmission belt is connected with the pawl wheel in a winding manner.
Description
Technical field
The utility model relates to the bicycle in the communications and transportation, particularly bicycle and man.
Background technology
Existing bicycle, by vehicle frame, saddle, the bogie car handle, front vehicle wheel and rear wheel, the left and right sides pedal of the crank-type that connects to ground and bonded assembly drive sprocket thereof, be fixedly mounted on the overriding clutch on the rear vehicle shaft, with the be in transmission connection sprocket wheel of drive sprocket and overriding clutch of messenger chain.When rotation scrunches left and right sides pedal continuously with left and right sides pin, the drive sprocket rotation, through messenger chain transmission overriding clutch, the rotation of the click engaged transmission rear wheel of overriding clutch drives bicycle and advances.This bicycle is because driver train itself can not quicken, and therefore riding drives comparatively effort.Because the click of overriding clutch is the constant-mesh structure, when bicycle fell back wheel reversing, driver train can wholely reverse, so bicycle is inconvenient to fall back in addition.
The utility model content
In view of above-mentioned, the purpose of this utility model is to provide a kind of spring energy-storage pattern dual instruction bicycle comparatively laborsaving, that conveniently fall back of riding.
The utility model adopts two cover driver trains of wheel left and right sides on the basis of existing bicycle, and adopts takeup type driving band structure and adopt spring energy agency to realize its purpose in overriding clutch in driver train.
Spring energy-storage pattern dual instruction bicycle of the present utility model (referring to accompanying drawing), comprise vehicle frame (1), saddle on the vehicle frame (2), bogie car is (3), wheel (5,6) and the driver train on left side and right side, the drive wheel (7) of the crank pedal formula of driver train is in transmission connection through driving band (18) and wheel bonded assembly overriding clutch (19), the transmission phase difference of the driver train of left and right sides is 180 °, above-mentioned drive wheel has and crank pedal (8) bonded assembly ratchet dish (10) and the pawl disk (12) that is rotationally connected with axis (9) on the vehicle frame, one of spring on the pawl disk (15) bonded assembly drives an interior ratchet (11) engagement of ratchet (14) and ratchet dish, driving band is takeup type with pawl disk and is connected, above-mentioned overriding clutch have with vehicle frame on the pawl wheel (25) that is rotationally connected of axletree (20), with wheel bonded assembly handle ratchet wheel (22), the energy stroage spring (35) that connects pawl wheel and axletree, ratchet spring on the pawl wheel (a 34) ratchet of bonded assembly (33) and handle ratchet wheel engagement, driving band is takeup type with pawl wheel and is connected.
Above-mentioned pawl disk (12) is fan-shaped, and pawl disk has the pawl base (13) that holds the breach shape that drives ratchet (14), the pawl disk periphery have transmission trough of belt (16) and with driving band (18) front end bonded assembly bayonet socket (17).
Above-mentioned pawl wheel (25) has the fan-shaped ratchet ring (32) of ring and the drive belt ring (26) of annular arrangement, the ratchet ring has the pawl base (13) of the breach shape of holding ratchet (33), drive belt ring have annular arrangement transmission trough of belt (31) and with driving band (18) rear end bonded assembly bayonet socket (17).
Be fixed with center gear (21) on the above-mentioned axletree (20), the plate washer (36) that is connected with center gear is arranged, above-mentioned energy stroage spring (35) is the coiled springs structure, the inner ring end (37) of energy stroage spring is connected with plate washer, outer ring end (38) is connected with pawl wheel (25), between above-mentioned pawl wheel and the center gear bearing is arranged, this bearing has steel ball (29) and ring washer (28), and bearing (24) is arranged between above-mentioned handle ratchet wheel (22) and the axletree, this bearing have bearing guard and cup and between steel ball.
The driver train of above-mentioned left and right sides all is in transmission connection with the wheel (6) at bicycle rear portion.
The use of bicycle of the present utility model is identical with existing bicycle.
The utility model and existing bicycle are relatively, owing to adopt two cover driver train driven bicycles of left and right sides, because the spring energy agency in the employing overriding clutch is converted to also deposit of spring with propulsive effort, abrupt release drives bicycle then again.Therefore, this bicycle have that driving is more laborsaving, moving velocity advantage faster.In addition, the winding-structure of driving band can be pressed into pawl base with the ratchet in the overriding clutch, removes the engagement of ratchet and handle ratchet wheel, makes with handle ratchet wheel bonded assembly wheel to be in free rotation state.Therefore, this bicycle has the advantage that conveniently falls back.
The utility model is applicable to does the manpower vehicle and transportation means.
Below, the utility model is further described to use embodiment and accompanying drawing thereof again.
Description of drawings
Fig. 1 is the structural representation of a kind of spring energy-storage pattern dual instruction bicycle of the present utility model.
Fig. 2 is the structural representation of the driver train of Fig. 1.The B-B sectional structure of displayed map 3.Dotted arrow shows the hand of rotation of coiling energy stroage spring among the figure, and solid arrow shows the hand of rotation of release spring energy drive wheels.
Fig. 3 is the A-A cutaway view of Fig. 2.
The specific embodiment
Embodiment 1
A kind of spring energy-storage pattern dual instruction bicycle of the present utility model, as shown in drawings.By the vehicle frame 1 of the bicycle of common structure, saddle 2, bogie car 3, brake and brake lever 4, wheel 5,6 and driver train etc. constitute.Driver train has the two cover driver trains that lay respectively at the vehicle frame left and right sides, alternately drives the wheel 6 at bicycle rear portion.Two cover driving mechanism structure symmetries, the transmission phase difference is 180 °, the driver train in left side is made of the be in transmission connection overriding clutch in left side of the drive wheel in left side, driving band through the left side; The driver train on right side is made of the be in transmission connection overriding clutch on right side of the drive wheel on right side, driving band through the right side.
The drive wheel 7 of above-mentioned left and right sides is symmetrical configuration, referring to Fig. 1 and Fig. 2,3 right part, lays respectively at the left side and the right side of bicycle, is installed in the two ends of axis 9, and it installs phase difference is 180 °.Two drive wheels constitute by crank pedal, ratchet dish and pawl disk.Crank pedal 8 is common structure, is packed in the end of axis 9 with pin, and axis is installed on the vehicle frame 1 with bearing (not drawing among the figure).Ratchet dish 10 is integrative-structure with crank pedal, the interior Zhou Youyi of the cylinder chamber of ratchet dish interior ratchet 11.Pawl disk 12 and axis 9 normal-running fiies are fan-shaped stepped cylindrical body.Making pawl disk fan-shaped is for expendable weight, so pawl disk also can be made disc.The minor diameter in pawl disk 12 outsides of stepped cylindrical, be arranged in the cylinder chamber of ratchet dish 10, there are to connect pawl disk in the axial direction and form the pawl base 13 of chamber v notch v the driving ratchet 14 being equipped with in the pawl base rotationally as bicycle freewheel in and the spring 15 of driving ratchet at the fan-shaped periphery of minor diameter.The large-diameter portion of the inboard of pawl disk 12 is positioned at outside the cylinder chamber of ratchet dish 10, and its periphery has the transmission trough of belt 16 and the bayonet socket 17 of v shape.The pawl base of chamber shape makes the bottom of transmission trough of belt form pawl slot.Under the effect of spring 15, transmission trough of belt 16 is stretched into through pawl slot in the inside portion that drives ratchet 14, outside portion and 11 engagements of interior ratchet.Driving band 18 can adopt common circular cross section, also can be the section of other shapes such as trapezoidal, rectangle.When adopting the driving band of flat belt shape, can adopt transmission trough of belt structure.The larger-size front end of driving band is snapped in bayonet socket 17 and be connected on the pawl disk 12, and be wound in the transmission trough of belt 16.The elastic force pushing that the coiling of driving band can overcome spring 15 drives the ratchet inside portion and whole driving ratchet is pressed into pawl base, removes the engagement that drives ratchet 14 outside portions and interior ratchet 11.
The overriding clutch 19 of above-mentioned left and right sides is called bicycle freewheel again, is symmetrical structure, referring to Fig. 1 and Fig. 2,3 left part, is connected to the left side and the right side of the wheel 6 at bicycle rear portion, and it is 180 ° that phase difference is installed.Wheel 6 and two overriding clutchs are on the axletree 20 that is installed in bicycle rotationally.The two ends of axletree are fixedly mounted on the rear wheel fork respectively with nut.Two overriding clutchs are by formations such as center gear, handle ratchet wheel, pawl wheel, energy stroage springs.Above-mentioned center gear 21 is stepped shaft shape, and the screw thread of dependence centre hole is fixedly mounted on the end of axletree 20.Above-mentioned handle ratchet wheel 22, into a single integrated structure with the wheel hub 23 of wheel 6, also can be absolute construction and captive joint with wheel hub again.With bearing 24 wheel 6 and handle ratchet wheel are installed on the axletree 9 in the lump.Bearing adopts the bearing arrangement of common cycle wheel, by bearing guard and cup and between a plurality of steel balls constitute.Ratchet in the interior Zhou Manbu of the cylinder chamber of handle ratchet wheel 22.Above-mentioned pawl wheel 25 is positioned at the outside of handle ratchet wheel 22, and pawl wheel is made of drive belt ring and ratchet ring.Drive belt ring 26 is annular arrangement, uses bearing installation on the disk 27 of center gear 21.This bearing by periphery be the disk 27 of bearing bowl-type, ring washer 28, a plurality of steel ball 29 and the clamp ring 30 of bearing bowl-type on the center gear constitutes, and pawl wheel and center gear are rotating, promptly be rotating with axletree.The periphery of drive belt ring has the transmission trough of belt 31 and the bayonet socket 17 of the annular arrangement of v shape section, and the larger-size follower head of driving band 18 snaps in bayonet socket 17 and is connected on the pawl wheel 25, and is wound in the transmission trough of belt.When adopting the driving band of flat belt shape, can adopt transmission trough of belt structure.It is fan-shaped that above-mentioned ratchet ring 32 is ring, also can be annular arrangement, with the inboard of the drive belt ring integrative-structure that is formed by connecting.The ratchet ring stretches in the cylinder chamber of above-mentioned ratchet-gear wheel 22.The ratchet ring has and connects pawl wheel in the axial direction and form the pawl base 13 of chamber v notch v at ratchet ring periphery, and the pawl base of chamber shape makes the bottom of transmission trough of belt form pawl slot, and pawl base is communicated with transmission trough of belt 31.Ratchet 33 and ratchet spring 34 being equipped with in the pawl base rotationally in bicycle freewheel.Under the effect of ratchet spring, the ratchet engagement of the inside portion of ratchet and handle ratchet wheel 25, transmission trough of belt 31 is stretched into through pawl slot in the ratchet outside portion.The coiling of driving band 18 can overcome the elastic force of ratchet spring 34, and the engagement of ratchet 14 inside portions and handle ratchet wheel 22 is removed in the outside portion of pushing ratchet 33 and whole ratchet is pressed into pawl base, thereby removes the engagement of ratchet 14 and handle ratchet wheel 22.Above-mentioned energy stroage spring 35 is the such coil type spring structure of clock spring, also can adopt common tower type spiral shape spring structure.Energy stroage spring is sleeved on the center gear 21 that is positioned at pawl wheel 22 outsides, and useful helicitic texture is fixedly mounted on the plate washer 36 on the center gear outside energy stroage spring.The inner ring end 37 of energy stroage spring 35 adopts insert structure to be fixed on the plate washer 36, and outer ring end 38 adopts insert structure to be connected on the pawl wheel 25.
Use the bicycle of present embodiment, alternately scrunch the crank pedal of bicycle left and right sides with left and right sides pin continuous rotary, the wheel 6 that alternately drives the bicycle rear portion through the driver train of bicycle left and right sides is that rear wheel rotates continuously respectively, drives bicycle and continues to advance.The transmission process of the driver train on right side is as follows: when scrunching rotary crank pedal 8 rotation drive wheels 7, because interior ratchet 11 and 14 engagements of driving ratchet, pawl disk 12 fuses with ratchet dish 10, and the two rotates along clockwise direction, the front portion of pawl disk coiling driving band 18.Spur the pawl wheel 25 of overriding clutchs 19 simultaneously through driving band 18, because the rear portion of pawl wheel coiling driving band 18, make the rear portion of slack-free driving band that ratchet 33 is pressed into pawl base, the engagement releasing of ratchet and handle ratchet wheel 22, rotation along with drive wheel 7, driving band 18 moves forward, and driving band pulling pawl wheel 25 rotates in the counterclockwise direction, makes energy stroage spring 35 that outer ring end 38 and pawl wheel be connected thereupon the left-hand revolution rolling-in and energy reserve.When the drive wheel rotation, pawl disk 12 coiling driving bands 18 are during to pawl slot, the take-up force of driving band front portion overcomes the tension force of spring 15, to drive ratchet 14 and be pressed into pawl base 13, remove the engagement that drives ratchet and interior ratchet 11, the releasing that is connected of pawl disk 12 and ratchet dish 10, the tension force of driving band makes pawl disk 12 counter-rotatings, driving band 18 is loose, and the ratchet 33 on the pawl wheel 25 in the overriding clutch loses the winding pressure of driving band at this moment, under the effect of ratchet spring 34 tension force, ratchet 33 and handle ratchet wheel 22 engagements, energy stroage spring 35 abrupt release spring energy quicken to promote handle ratchet wheel 22 and are rotated in a clockwise direction together with wheel 6, drive bicycle and advance.Up to pawl wheel, in nibble wheel and reset, overriding clutch resets, and simultaneously pawl disk 12 counter-rotatings on driving band pulling drive wheel 7 reset.Zuo Ce driver train advances by above-mentioned transmission process driving bicycle subsequently.As above adopt the mode that drives bicycle usually, promptly scrunch the crank pedal of left and right sides, just can drive bicycle and continue to advance.
This bicycle can be adjusted to when the crank pedal on left side and right side all is in the vertical state, the coiling of the driving band 18 of left and right sides driver train is pressed into pawl base with ratchet 33, the engagement releasing of ratchet and handle ratchet wheel 22, be in free rotation state with handle ratchet wheel bonded assembly wheel 6, bicycle just can fall back easily.
Claims (7)
1, a kind of spring energy-storage pattern dual instruction bicycle, comprise vehicle frame (1), saddle on the vehicle frame (2), bogie car is (3), wheel (5,6) and the driver train on left side and right side, the drive wheel (7) of the crank pedal formula of driver train is in transmission connection through driving band (18) and wheel bonded assembly overriding clutch (19), the transmission phase difference that it is characterized in that the driver train of left and right sides is 180 °, above-mentioned drive wheel has and crank pedal (8) bonded assembly ratchet dish (10) and the pawl disk (12) that is rotationally connected with axis (9) on the vehicle frame, one of spring on the pawl disk (15) bonded assembly drives an interior ratchet (11) engagement of ratchet (14) and ratchet dish, driving band is takeup type with pawl disk and is connected, above-mentioned overriding clutch have with vehicle frame on the pawl wheel (25) that is rotationally connected of axletree (20), with wheel bonded assembly handle ratchet wheel (22), the energy stroage spring (35) that connects pawl wheel and axletree, ratchet spring on the pawl wheel (a 34) ratchet of bonded assembly (33) and handle ratchet wheel engagement, driving band is takeup type with pawl wheel and is connected.
2, spring energy-storage pattern dual instruction bicycle according to claim 1, it is characterized in that said pawl disk (12) is fan-shaped, pawl disk has the pawl base (13) that holds the breach shape that drives ratchet (14), the pawl disk periphery have transmission trough of belt (16) and with driving band (18) front end bonded assembly bayonet socket (17).
3, spring energy-storage pattern dual instruction bicycle according to claim 1, it is characterized in that said pawl wheel (25) has the fan-shaped ratchet ring (32) of ring and the drive belt ring (26) of annular arrangement, the ratchet ring has the pawl base (13) of the breach shape of holding ratchet (33), drive belt ring have annular arrangement transmission trough of belt (31) and with driving band (18) rear end bonded assembly bayonet socket (17).
4, spring energy-storage pattern dual instruction bicycle according to claim 2, it is characterized in that said pawl wheel (25) has the fan-shaped ratchet ring (32) of ring and the drive belt ring (26) of annular arrangement, the ratchet ring has the pawl base (13) of the breach shape of holding ratchet (33), drive belt ring have annular arrangement transmission trough of belt (31) and with driving band (18) rear end bonded assembly bayonet socket (17).
5, according to claim 1,2,3 or 4 described spring energy-storage pattern dual instruction bicycles, it is characterized in that being fixed with on the said axletree (20) center gear (21), the plate washer (36) that is connected with center gear is arranged, said energy stroage spring (35) is the coiled springs structure, the inner ring end (37) of energy stroage spring is connected with plate washer, outer ring end (38) is connected with pawl wheel (25), between said pawl wheel and the center gear bearing is arranged, this bearing has steel ball (29) and ring washer (28), bearing (24) is arranged between said handle ratchet wheel (22) and the axletree, this bearing have bearing guard and cup and between steel ball.
6, according to claim 1,2,3 or 4 described spring energy-storage pattern dual instruction bicycles, the driver train that it is characterized in that said left and right sides all is in transmission connection with the wheel (6) at bicycle rear portion.
7, spring energy-storage pattern dual instruction bicycle according to claim 5, the driver train that it is characterized in that said left and right sides all are in transmission connection with the wheel (6) at bicycle rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02276585U CN2561670Y (en) | 2002-09-23 | 2002-09-23 | Spring energy stored bicycle with two sprocket wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02276585U CN2561670Y (en) | 2002-09-23 | 2002-09-23 | Spring energy stored bicycle with two sprocket wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2561670Y true CN2561670Y (en) | 2003-07-23 |
Family
ID=33740411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02276585U Expired - Fee Related CN2561670Y (en) | 2002-09-23 | 2002-09-23 | Spring energy stored bicycle with two sprocket wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2561670Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549738B (en) * | 2008-03-31 | 2011-12-07 | 乔绅股份有限公司 | Ratchet structure of hub |
| CN104554590A (en) * | 2014-12-09 | 2015-04-29 | 沈国联 | Self-gravity power infinitely variable speed high-suspension sports bicycle capable of carrying out elastic energy storage |
-
2002
- 2002-09-23 CN CN02276585U patent/CN2561670Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549738B (en) * | 2008-03-31 | 2011-12-07 | 乔绅股份有限公司 | Ratchet structure of hub |
| CN104554590A (en) * | 2014-12-09 | 2015-04-29 | 沈国联 | Self-gravity power infinitely variable speed high-suspension sports bicycle capable of carrying out elastic energy storage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |