CN202935529U - Bicycle and inner and outer side transmission systems thereof - Google Patents
Bicycle and inner and outer side transmission systems thereof Download PDFInfo
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- CN202935529U CN202935529U CN2012202886808U CN201220288680U CN202935529U CN 202935529 U CN202935529 U CN 202935529U CN 2012202886808 U CN2012202886808 U CN 2012202886808U CN 201220288680 U CN201220288680 U CN 201220288680U CN 202935529 U CN202935529 U CN 202935529U
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Abstract
The utility model relates to a bicycle and inner and outer side transmission systems thereof. The inner side transmission system comprises a front inner drive sprocket, a middle transition sprocket, a guide tensioning device, a rear inner flywheel and an inner chain, the outer side transmission system comprises a middle outer drive sprocket, a rear outer flywheel, a transmission guide device and an outer chain, the inner and outer side transmission systems are arranged on the same side of the tandem bicycle, the guide tensioning wheel device is arranged at a position of the transition sprocket of the inner side transmission system, the outer side transmission system is provided with the transmission guide device, a support tail section built-in technology of the transmission guide device is utilized, the inner and outer side transmission systems are combined and applied to the tandem bicycle, a rider in the rear can reversely sit and normally pedal the bicycle to advance forwards, the interference of the transmission guide device with double supports of the bicycle is avoided, and beneficial effects of reliably guiding and tensioning the chains are further achieved.
Description
Technical field
The utility model is relevant for a kind of bicycle and medial and lateral driving system thereof, refers in particular to a kind ofly can realize two bicycles that people's dos-à-dos is taken, the front and back reversing sense pulls together to ride and medial and lateral driving system thereof.
Background technology
At present, tandem bicycle is generally used for tour field, and it brings a lot of facilities and enjoyment to people's tourism.
Yet current tandem bicycle is mostly forward drive, the sprocket wheel that is positioned at anterior and middle part drives rear portion flywheel operation with chain drive-belt, and the hand of rotation of two drive sprockets is consistent.When people ride two people towards all for forward, two people pull together firmly foot-operated in the same way, but the drawback existed is: the sight line that is sitting in rear dough figurine is blocked by forefathers, can not fully appreciate natural landscape etc., thus the enjoyment that impact is gone sightseeing.
For head it off, the design towards the opposite of people while making cycling is also arranged, the scheme that two people are face-to-face, dos-à-dos is ridden is arranged, the scheme that only dos-à-dos is ridden is also arranged.The existing bicycle that can realize the inverted sequence motion, it is generally the mechanism be provided with by rear portion satellite gear or intermediary wheel commutation, though this mechanism has solved the problem of commutation, but its structure is difficult to adjust, or the upper and lower two-wheeled of its intermediary wheel is up-small and down-big, the bottom guide wheel can not adapt to the engagement running of little tooth number flywheel, thereby make the motion of swinging to of this bicycle be difficult to adapt to the requirement of people to friction speed, and this intermediary wheel device can not the lateral adjustments guide wheel group and rear flywheel between position, be difficult to offset in assembling or maintenance rear flywheel and be loaded on the larger error between the guide wheel group fixed support on chain stay, thereby when riding, driver's limitation of movement is too much.In addition, the parts mechanism of also parking bicycle and the numerous and jumbled problem of profile, be difficult to universal production and allow masses accept.
The utility model content
The purpose of this utility model is to provide a kind of bicycle and medial and lateral driving system thereof, and after wherein this bicycle adopts this medial and lateral driving system, two people that ride not only can take by dos-à-dos, but and all normality scrunch, freely ride.
The inboard driving system that the technical solution of the utility model is a kind of bicycle comprises: drive sprocket in anterior is positioned at this inboard driving system foremost, on the sheathed anterior axis that is anchored on bicycle; Middle part transition sprocket wheel, be positioned at the middle part of this inboard driving system, is sheathed on the middle part axis of bicycle; Guiding tension device, be positioned at below the front side of this middle part transition sprocket wheel, is fixed on cycle frame; Flywheel in rear portion, be positioned at the rearmost end of this inboard driving system, is sheathed on the rear portion flower hub of bicycle; Interior chain; Wherein, interior chain flywheel top in this rear portion causes the top of this middle part transition sprocket wheel, further extend to the top of drive sprocket in this front portion, then along clockwise direction downwards, cause backward the below of middle part transition sprocket wheel via this guiding tension device top, backward along clockwise direction finally, upwards in rear portion flywheel upwards link form closed drive path.
Preferably, the inboard driving system of described bicycle also comprises the spacing guide plate of chain, be positioned at the top of middle part transition wheel, the spacing guide plate of this chain is comprised of support and fix screw, wherein, the lower edge of the spacing guide plate of this chain has certain distance and can regulate this distance with the upper side edge edge of this middle part transition sprocket wheel top chain; The width of the spacing guide plate of this chain is greater than the width of chain in this; The two ends of the spacing guide plate of this chain are provided with the guiding arc angle.
Preferably, this middle part transition sprocket wheel is provided with a body centre hole, be inlaid with axle sleeve in this body centre hole, the five-way right-hand member that this middle part transition sprocket wheel is close to cycle frame by this axle sleeve is sheathed on the axis of middle part, and the outside of this middle part transition sprocket wheel has spring housing to be located on this middle part axis.
Preferably, this guiding tension device comprises: support be located on the lower pipe of cycle frame, and this support is provided with slotted hole along the circumferencial direction of middle part transition sprocket wheel; The axle nail, the medial extremity of this axle nail is located in the slotted hole of support; The guiding tension wheel, the outer end of this axle nail is located in rotation, and the tooth center line of this guiding tension wheel overlaps with the tooth center line of middle part transition sprocket wheel; Wherein, along the position that axially can regulate this guiding tensioning gear teeth center line of axle nail, and can also regulate this guiding tension wheel in the position of middle part transition sprocket periphery direction along the slotted hole of this support.
The outside driving system that another technical scheme of the present utility model is a kind of bicycle comprises: drive sprocket outside middle part is positioned at the front end of this outside driving system, on the sheathed middle part axis that is anchored on bicycle; Flywheel outside rear portion, be positioned at the rear end of this outside driving system, is sheathed on the rear portion flower hub of bicycle; The transmission inverting device, be positioned at the rear side of flywheel outside this rear portion, comprises a guide wheel group be comprised of top tumbler and lower tumbler; Outer chain; Wherein, this outer chain top of flywheel outside rear portion causes the below of drive sprocket outside middle part, then, this outer chain makes progress, causes from the top of top tumbler conter clockwise backward the front side of lower tumbler in the counterclockwise direction, finally, this outer chain is caused along clockwise direction to the top of flywheel outside rear portion, form closed drive path.
Preferably, this transmission inverting device also comprises: fix the wheel frame of this guide wheel group, this top tumbler is fixed in the upper support ear at wheel frame top, and lower tumbler is fixed in the lower support ear of wheel frame bottom; Be connected in the support of this wheel frame, this support comprises interconnective extension, linkage section, rear and tilting section successively; One end of extension is provided with mounting hole, and outside the mounting hole of this extension, the chain stay of bicycle and rear portion, flywheel connects by rear axle successively, and, by jam nut stationary bicycle body, the other end of extension is connected in linkage section; This linkage section is to lateral buckling in bicycle, this linkage section after bending is connected with the rear parallel with extension, this extension, this linkage section and this rear are in turn connected to form in a zigzag, the bottom of this rear is connected with tilting section, and this tilting section and rear are positioned at same vertical plane and flywheel bending outside this rear portion; Wherein, the lower tumbler of this guide wheel group be rotationally connected with this tilting section and with this rear portion outside flywheel keep predetermined tooth matching angle; This tilting section, this wheel frame lower end are connected by a rotating shaft with this lower tumbler, this wheel frame is arranged at the outside of this riding section, also be wound with a torsion spring between the tilting section of this support and wheel frame lower end, one end of this torsion spring is connected to this linkage section afterbody, other end hook, in the inboard of this wheel frame, can move back and forth the tension force of adjusting chain and the error of length to guarantee this top tumbler.
Another technical scheme of the present utility model is a kind of bicycle, comprises two cover handlebars of inboard driving system as above, the outside as above driving system, vehicle frame, front and back layout and the two cover vehicle seats that front and back are arranged; Wherein, this inboard driving system, outside driving system are arranged at the homonymy of this bicycle, outside this middle part, drive sprocket is positioned at the outside of this middle part transition sprocket wheel with middle part transition sprocket wheel for drive sprocket outside coaxial and this middle part, dispose spring between drive sprocket and middle part transition sprocket wheel outside this middle part, this spring is squeezed state and compresses this middle part transition sprocket wheel in the five-way right-hand member of cycle frame to stablize, outside this rear portion in flywheel and rear portion flywheel be positioned at the outside of rear portion flywheel for flywheel outside coaxial and this rear portion.
Another technical scheme of the present utility model is a kind of bicycle, comprises two cover handlebars of inboard driving system as above, the second outside driving system, vehicle frame, front and back layout and the two cover vehicle seats that front and back are arranged; This second outside driving system comprises: flywheel and outer chain outside drive sprocket, rear portion outside middle part; Wherein, this inboard driving system and the second outside driving system are arranged at the homonymy of this bicycle, outside this middle part, drive sprocket is positioned at the outside of this middle part transition sprocket wheel with middle part transition sprocket wheel for drive sprocket outside coaxial and this middle part, dispose spring between drive sprocket and middle part transition sprocket wheel outside this middle part, this spring is squeezed state and compresses this middle part transition sprocket wheel in the five-way right-hand member of cycle frame to stablize, outside this rear portion in flywheel and rear portion flywheel be positioned at the outside of rear portion flywheel for flywheel outside coaxial and this rear portion.
The beneficial effects of the utility model are:
1. inboard driving system can scrunch driving by anterior bicyclist's routine, and routine operation, action are freely.
2. outside driving system can scrunch driving by rear portion bicyclist's routine, moves freely.
3. can simple adjustment chain tension degree.
4. the support of bicycle can conveniently be installed.
This vehicle realized before and after driver equal broad view, the mutually noninterfere of riding, and car load is debug conveniently, the purpose of reliable, compact conformation, good looking appearance.
The accompanying drawing explanation
The side schematic view that Figure 1A is the inboard driving system of the utility model bicycle.
The side schematic view that Figure 1B is the utility model bicycle the first outside driving system.
The side schematic view that Fig. 1 C is the utility model bicycle the second outside driving system.
Fig. 2 A is the utility model two people side schematic views that oppositely pull together to ride in front and back.
Fig. 2 B is the utility model two people vertical view cutaway drawings that oppositely pull together to ride in front and back.
The partial side view that Fig. 3 A is the inboard driving system of the utility model bicycle.
The partial schematic diagram that Fig. 3 B is the utility model bicycle medial and lateral driving system.
The lateral plan of the transmission inverting device that Fig. 4 A is the utility model bicycle the first outside driving system.
The birds-eye view of the transmission inverting device that Fig. 4 B is the utility model bicycle the first outside driving system.
Wherein:
Flywheel in the spacing guide plate of 4 chain 5 guiding tension device 6 rear portions
Drive sprocket outside 7 interior chain 8 middle part axis 9 middle parts
The outer chain of flywheel 11 transmission inverting device 12 outside 10 rear portions
The outer chain of flywheel 12 ' outside 9 ' outer drive sprocket 10 ' rear portion, middle part
13 spring 50 guiding tension wheel 51 supports
52 axles are followed closely 53 slotted hole 111 top tumblers
112 lower tumbler 113 wheel frame 1130 torsion springs
1131 upper support ear 1132 lower support ear 114 supports
1141 extension 1142 linkage section 1143 rears
1144 tilting sections.
The specific embodiment
The utility model provides a kind of bicycle and medial and lateral driving system thereof, and wherein, this medial and lateral driving system is placed in the same side of bicycle.
As shown in Figure 1A, inboard driving system comprises: flywheel 6 and interior chain 7 in anterior interior drive sprocket 2, middle part transition sprocket wheel 3, guiding tension device 5, rear portion.Wherein, anterior in drive sprocket 2, be positioned at this inboard driving system foremost, on the sheathed anterior axis 1 that is anchored on bicycle; Middle part transition sprocket wheel 3, be positioned at the middle part of this inboard driving system, is sheathed on the middle part axis 8 of bicycle; Guiding tension device 5, be positioned at below the front side of this middle part transition sprocket wheel, is fixed on cycle frame; In rear portion, flywheel 6, are positioned at the rearmost end of this inboard driving system, are sheathed on the rear portion flower hub of bicycle;
The drive path of this inboard driving system as shown in Figure 1A, should cause this middle part transition sprocket wheel 3 tops in interior chain 7 flywheel 6 tops in this rear portion, further extend to the top of drive sprocket 2 in this front portion, then, cause transition sprocket wheel 3 belows, middle part via these guiding tension device 5 tops backward along clockwise direction downwards,, backward along clockwise direction, finally, upwards in rear portion flywheel 6 upwards link form closed drive path.This inboard driving system can realize cyclist's normally scrunching and riding along positive dirction of front.
As shown in Fig. 3 A, Fig. 3 B, this middle part transition sprocket wheel 3 and annexation of parts is as follows on every side: middle part transition sprocket wheel 3, be provided with a body centre hole, be inlaid with axle sleeve in this body centre hole, the five-way right-hand member that this middle part transition sprocket wheel 3 is close to cycle frame by this axle sleeve is sheathed on the axis 8 of middle part, and the outside of this middle part transition sprocket wheel 3 has spring 13 to be sheathed on this middle part axis 8.The top of above-mentioned this middle part transition sprocket wheel 3 is provided with the spacing guide plate 4 of chain, be used for guaranteeing that interior chain 7 does not come off in the process of riding, below, the front side of this middle part transition sprocket wheel 3 is provided with chain guiding tension wheel 5, be used for guaranteeing that the tension force of interior chain 7 is moderate, guiding accurately and be difficult for falling chain.
As shown in Fig. 3 A, Fig. 3 B, the spacing guide plate 4 of this chain is comprised of support and fix screw, the width of the spacing guide plate 4 of this chain is greater than the width of chain 7 in this, and wherein, the lower edge of the spacing guide plate 4 of this chain is moderate, adjustable along distance with the upper side edge of these middle part transition sprocket wheel 3 top chains.And the two ends of the spacing guide plate 4 of this chain are provided with the guiding arc angle, so that the operation of the front and back of interior chain 7.
As shown in Fig. 3 A, Fig. 3 B, this guiding tension device 5 is comprised of support 51, axle nail 52, guiding tension wheel 50.This support 51 is located on the lower pipe of cycle frame, and this support 51 is provided with slotted hole 53 along the circumferencial direction of middle part transition sprocket wheel 3; The outer end of axle nail 52 is located in these guiding tension wheel 50 rotations, and wherein, the tooth center line of this guiding tension wheel 50 overlaps with the tooth center line of middle part transition sprocket wheel 3; The inner of this axle nail 52 is located in the slotted hole 53 of support 51, thereby can follow closely along axle the position of these guiding tension wheel 50 tooth center lines of axial adjustment of 52, and can regulate this tension wheel 50 position circumferential in middle part transition sprocket wheel 3 of leading along the slotted hole 53 of this support 51.
As shown in Figure 1B, this first outside driving system, its composition comprises: flywheel 10, transmission inverting device 11 and outer chain 12 outside drive sprocket 9, rear portion outside middle part.Wherein, the outer drive sprocket 9 in middle part is positioned at the front end of this outside driving system, on the sheathed middle part axis 8 that is anchored on bicycle, outside this middle part, drive sprocket 9 is coaxial with this middle part transition sprocket wheel 3, and outside this middle part, drive sprocket 9 is positioned at the outside of this middle part transition sprocket wheel 3; Outside rear portion, flywheel 10 is positioned at the rear end of this outside driving system, be sheathed on the rear portion flower hub of bicycle, this rear portion outside in flywheel and rear portion flywheel be the outside that outside coaxial and this rear portion, flywheel is positioned at the rear portion flywheel; This transmission inverting device 11 comprises a guide wheel group be comprised of top tumbler 111 and lower tumbler 112.
As shown in Figure 1B, the drive path of this first outside driving system is: outer chain 12 flywheel 10 tops outside rear portion cause the below of drive sprocket 9 outside middle part, then, should make progress in the counterclockwise direction, cause lower tumbler 112 front sides from the top of top tumbler 111 conter clockwise backward by outer chain 12, finally, this outer chain 12 is caused along clockwise direction to the top of flywheel 10 outside rear portion, form closed drive path.
As shown in Fig. 4 A, Fig. 4 B, transmission inverting device 11 of the present utility model also comprises wheel frame 113, support 114.Fix this guide wheel group on this wheel frame 113, be specially, this top tumbler 111 is fixed in the upper support ear 1131 at wheel frame top, and lower tumbler 112 is fixed in the lower support ear 1132 of wheel frame bottom; This support 114 is connected in this wheel frame 113, this support 114 comprises interconnective extension 1141, linkage section 1142, rear 1143 and tilting section 1144 successively, one end of the extension 1141 of this support 114 is provided with mounting hole, outside the mounting hole of this extension 1141, the chain stay of bicycle and rear portion, flywheel 10 connects by rear axle successively, and fix by jam nut, be fixed in bicycle body, the other end of extension 1141 is connected in linkage section 1142; This linkage section 1142 is to lateral buckling in bicycle, this linkage section 1142 after bending is connected with the rear parallel with extension 1,141 1143, this extension 1141, this linkage section 1142 are in turn connected to form in a zigzag with this rear 1143, this linkage section 1142 is bent to form to the bicycle inboard in a zigzag, this linkage section 1142 is connected with the rear parallel with extension 1,141 1143, the bottom of this rear 1143 is connected with tilting section 1144, and this tilting section 1144 is positioned at same vertical plane with rear 1143 and flywheel 10 bendings outside this rear portion.Wherein, the lower tumbler of this guide wheel group be rotationally connected with this tilting section and with this rear portion outside flywheel keep predetermined tooth matching angle, this linkage section 1142 being designed to bending and this rear 1143 and being designed to parallelly with extension 1141, is to make bicycle body's inner structure compacter and make each parts that better installation site be arranged.
This support 114 can be by the machine-shaping of a sheet metal one; This tilting section 1144, these wheel frame 113 lower ends are connected by a rotating shaft with this lower tumbler 112, this wheel frame 113 is arranged at the outside of 1144 sections of this support 114 inclinations, also be wound with a torsion spring 1130 between the tilting section 1144 of this support 114 and wheel frame 113 lower ends, one end of this torsion spring 1130 is connected to this linkage section 1142 afterbodys, other end hook is in the inboard of these wheel frame 113 lower support ears 1132, to guarantee that this top tumbler 111 can move back and forth, and comes the tension force of adjusting chain and the error of length whereby.
Outside this rear portion, the transmission setting of flywheel 10, transmission inverting device 11 and outer chain 12 has adopted the built-in technology of rear 1143 of the support 114 of transmission inverting device 11, avoided the interference with the bicycle double support support, and further realized the function of reliable guiding, tensioning, thereby make rear cyclist backward also can scrunch and just make bicycle normally move ahead by routine, this first outside driving system can realize that the back cyclist oppositely takes and normally scrunch and realize the effect that positive dirction is advanced.Wherein, the direction of riding and brake all or by anterior cyclist is unified are controlled, to guarantee the safety of riding.
As Fig. 2 A, shown in Fig. 2 B, by this inboard driving system and this first outside driving system combination, can form the two a kind of bicycles of riding of oppositely pulling together before and after people, it comprises above-mentioned inboard driving system, the first outside driving system, vehicle frame, the two cover vehicle seats that the two cover handlebars that front and back are arranged and front and back are arranged, wherein, this inboard driving system, the first outside driving system is arranged at the homonymy of this bicycle, and inboard driving system, the drive sprocket of the first outside driving system is mutually from separation type, be positioned on the sheathed anterior axis 1 that is anchored on bicycle of the front portion drive sprocket 2 of front, being positioned at drive sprocket 9 outside the middle part transition sprocket wheel 3 of back and middle part all is sheathed on the axis 8 of middle part, outside this middle part, drive sprocket 9 is positioned at the outside of this middle part transition sprocket wheel 3 with middle part transition sprocket wheel 3 for drive sprocket 9 outside coaxial and this middle part, dispose spring (as shown in Figure 3 B) between drive sprocket 9 and middle part transition sprocket wheel 3 outside this middle part, this spring is squeezed state and compresses this middle part transition sprocket wheel 3 in the five-way right-hand member of cycle frame to stablize, can prevent this middle part transition sprocket wheel double swerve, chain 7 in can also further stablizing.Outside this rear portion in flywheel 10 and rear portion flywheel 6 be positioned at the outside of rear portion flywheel 6 for flywheel 10 outside coaxial and this rear portion, adopt an interior chain 7 to hang in middle part transition sprocket wheel 3, guiding tension wheel 50 and the rear portion of closing drive sprocket 2, back in the front portion of front on flywheel 6, one outer chain 12 is hung and is closed outside this middle part outside drive sprocket 9, rear portion on flywheel 10 and upper and lower guide wheel 111,112, now, should hang and close driving for cw by interior chain 7, this outer chain 12 is hung and is closed driving for conter clockwise.While riding, the medial and lateral driving system mutually noninterfere of this bicycle, pedaling are independent of each other.
As shown in Figure 1 C, this second outside driving system, its composition comprises: flywheel 10 ' and outer chain 12 ' outside drive sprocket 9 ', rear portion outside middle part.This second outside driving system is prior art, is a kind of driving system that conventional single single speed bicycle can adopt at present.The inboard driving system combination of this second outside driving system and the present invention, can form two people with a kind of bicycle of pulling together forwards, backwards to ride, it comprises inboard driving system described above, the second outside driving system, vehicle frame, the two cover vehicle seats that the two cover handlebars that front and back are arranged and front and back are arranged, wherein, this inboard driving system and the second outside driving system are arranged at the homonymy of this bicycle, and the drive sprocket of this inboard driving system and the second outside driving system is the formula of being separated from each other, be positioned on the sheathed anterior axis 1 that is anchored on bicycle of the front portion drive sprocket 2 of front, being positioned at drive sprocket 9 outside the middle part transition sprocket wheel 3 of back and middle part all is sheathed on the axis 8 of middle part, outside this middle part, drive sprocket 9 ' is positioned at the outside of this middle part transition sprocket wheel 3 with middle part transition sprocket wheel 3 for drive sprocket 9 outside coaxial and this middle part, dispose spring (as shown in Figure 3 B) between drive sprocket 9 ' and middle part transition sprocket wheel 3 outside this middle part, this spring is squeezed state and compresses this middle part transition sprocket wheel 3 in the five-way right-hand member of cycle frame to stablize, can prevent this middle part transition sprocket wheel double swerve, chain 7 in can also further stablizing.Outside this rear portion in flywheel 10 ' and rear portion flywheel 6 be positioned at the outside of rear portion flywheel 6 for flywheel 10 ' outside coaxial and this rear portion, adopt an interior chain 7 to hang in middle part transition sprocket wheel 3, guiding tension wheel 50 and the rear portion of closing drive sprocket 2, back in the front portion of front on flywheel 6, one outer chain 12 is hung and is closed outside this middle part outside drive sprocket 9 ' and rear portion on flywheel 10 ', now, in this, chain 7 be all that the cw extension closes driving with being somebody's turn to do outer chain 12.While riding, the still mutually noninterfere of medial and lateral driving system of this bicycle, pedaling also are independent of each other.
Innovative point of the present utility model is: the guiding tensioner apparatus at this driving system transition wheel place, inboard, can be used for guaranteeing that the tension force of interior chain is moderate, guiding accurately and be difficult for falling chain; The built-in technology of support rear of the transmission inverting device of this outside driving system, not only can realize that the back cyclist oppositely takes normally scrunches and realizes the effect that positive dirction is advanced, also avoid the interference of supportting with bicycle double support, and further realized the beneficial effect of reliable guiding, tensioning; The interior outside driving system of the utility model bicycle is used inside and outside double chain system, thereby can realize the beneficial effect that the driving system mutually noninterfere of the interior outside, pedaling are independent of each other.
In sum, the utility model has following advantage compared to existing technology:
1. inboard driving system can scrunch driving by anterior bicyclist's routine, and routine operation, action are freely.
2. outside driving system can scrunch driving by rear portion bicyclist's routine, moves freely.
3. can simple adjustment chain tension degree.
4. the support of bicycle can conveniently be installed.
This bicycle realized before and after the driver can oppositely take and two broad views per capita, the mutually noninterfere of riding, and car load is debug conveniently, the purpose of reliable, compact conformation, good looking appearance.
When double, the three-person bicycle for riding in the same way, its compact conformation, handsome in appearance, and driving system is stressed reliable, not fragile.
Only as described above, be only preferred embodiment of the present utility model, when not limiting the utility model practical range with this; Therefore all simple equivalences of doing according to the utility model claim and creation description change and modify, all should still belong in the scope that the utility model patent contains.
Claims (8)
1. the inboard driving system of a bicycle, is characterized in that, comprising:
Drive sprocket in anterior, be positioned at this inboard driving system foremost, on the sheathed anterior axis that is anchored on bicycle;
Middle part transition sprocket wheel, be positioned at the middle part of this inboard driving system, is sheathed on the middle part axis of bicycle;
Guiding tension device, be positioned at below the front side of this middle part transition sprocket wheel, is fixed on cycle frame;
Flywheel in rear portion, be positioned at the rearmost end of this inboard driving system, is sheathed on the rear portion flower hub of bicycle;
Interior chain;
Wherein, interior chain flywheel top in this rear portion causes the top of this middle part transition sprocket wheel, further extend to the top of drive sprocket in this front portion, then along clockwise direction downwards, cause backward the below of middle part transition sprocket wheel via this guiding tension device top, backward along clockwise direction finally, upwards in rear portion flywheel upwards link form closed drive path.
2. the inboard driving system of bicycle as claimed in claim 1, it is characterized in that, also comprise the spacing guide plate of chain, be positioned at the top of middle part transition wheel, the spacing guide plate of this chain is comprised of support and fix screw, wherein, the lower edge of the spacing guide plate of this chain has certain distance and can regulate this distance with the upper side edge edge of this middle part transition sprocket wheel top chain; The width of the spacing guide plate of this chain is greater than the width of chain in this; The two ends of the spacing guide plate of this chain are provided with the guiding arc angle.
3. the inboard driving system of bicycle as claimed in claim 1, it is characterized in that, this middle part transition sprocket wheel is provided with a body centre hole, in this body centre hole, is inlaid with axle sleeve, and the five-way right-hand member that this middle part transition sprocket wheel is close to cycle frame by this axle sleeve is sheathed on the middle part axis.
4. the inboard driving system of bicycle as claimed in claim 1, is characterized in that, this guiding tension device comprises:
Support, be located on the lower pipe of cycle frame, and this support is provided with slotted hole along the circumferencial direction of middle part transition sprocket wheel;
The axle nail, the medial extremity of this axle nail is located in the slotted hole of support;
The guiding tension wheel, the outer end of this axle nail is located in rotation, and the tooth center line of this guiding tension wheel overlaps with the tooth center line of middle part transition sprocket wheel;
Wherein, along the position that axially can regulate this guiding tensioning gear teeth center line of axle nail, and can also regulate this guiding tension wheel in the position of middle part transition sprocket periphery direction along the slotted hole of this support.
5. the outside driving system of a bicycle, is characterized in that, comprising:
The outer drive sprocket in middle part, be positioned at the front end of this outside driving system, on the sheathed middle part axis that is anchored on bicycle;
Flywheel outside rear portion, be positioned at the rear end of this outside driving system, is sheathed on the rear portion flower hub of bicycle;
The transmission inverting device, be positioned at the rear side of flywheel outside this rear portion, comprises a guide wheel group be comprised of top tumbler and lower tumbler;
Outer chain;
Wherein, this outer chain top of flywheel outside rear portion causes the below of drive sprocket outside middle part, then, this outer chain makes progress, causes from the top of top tumbler conter clockwise backward the front side of lower tumbler in the counterclockwise direction, finally, this outer chain is caused along clockwise direction to the top of flywheel outside rear portion, form closed drive path.
6. the outside driving system of bicycle as claimed in claim 5, is characterized in that, this transmission inverting device also comprises:
Fix the wheel frame of this guide wheel group, this top tumbler is fixed in the upper support ear at wheel frame top, and lower tumbler is fixed in the lower support ear of wheel frame bottom;
Be connected in the support of this wheel frame, this support comprises interconnective extension, linkage section, rear and tilting section successively; One end of extension is provided with mounting hole, and outside the mounting hole of this extension, the chain stay of bicycle and rear portion, flywheel connects by rear axle successively, and, by jam nut stationary bicycle body, the other end of extension is connected with linkage section; This linkage section is to lateral buckling in bicycle, this linkage section after bending is connected with the rear parallel with extension, this extension, this linkage section and this rear are in turn connected to form in a zigzag, the bottom of this rear is connected with tilting section, and this tilting section and rear are positioned at same vertical plane and flywheel bending outside this rear portion;
Wherein, the lower tumbler of this guide wheel group is rotationally connected with this tilting section outside and keeps being scheduled to tooth matching angle with the outer flywheel in this rear portion; This tilting section, this wheel frame lower end are connected by a rotating shaft with this lower tumbler, this wheel frame is arranged at the outside of this riding section, also be wound with a torsion spring between the tilting section of this support and wheel frame lower end, one end of this torsion spring is connected to this linkage section afterbody, other end hook, in the inboard of this wheel frame, can move back and forth the tension force of adjusting chain and the error of length to guarantee this top tumbler.
7. a bicycle, is characterized in that, comprises two cover handlebars of the described inboard driving system of claim as arbitrary as claim 1 to 4, the outside as described as claim 5 or 6 driving system, vehicle frame, front and back layout and the two cover vehicle seats that front and back are arranged;
Wherein, this inboard driving system, outside driving system are arranged at the homonymy of this bicycle, outside this middle part, drive sprocket is positioned at the outside of this middle part transition sprocket wheel with middle part transition sprocket wheel for drive sprocket outside coaxial and this middle part, dispose spring between drive sprocket and middle part transition sprocket wheel outside this middle part, this spring is squeezed state and compresses this middle part transition sprocket wheel in the five-way right-hand member of cycle frame to stablize, outside this rear portion in flywheel and rear portion flywheel be positioned at the outside of rear portion flywheel for flywheel outside coaxial and this rear portion.
8. a bicycle, is characterized in that, comprises two cover handlebars of the described inboard driving system of claim as arbitrary as claim 1 to 4, the second outside driving system, vehicle frame, front and back layout and the two cover vehicle seats that front and back are arranged;
This second outside driving system comprises: flywheel and outer chain outside drive sprocket, rear portion outside middle part;
Wherein, this inboard driving system and the second outside driving system are arranged at the homonymy of this bicycle, outside this middle part, drive sprocket is positioned at the outside of this middle part transition sprocket wheel with middle part transition sprocket wheel for drive sprocket outside coaxial and this middle part, dispose spring between drive sprocket and middle part transition sprocket wheel outside this middle part, this spring is squeezed state and compresses this middle part transition sprocket wheel in the five-way right-hand member of cycle frame to stablize, outside this rear portion in flywheel and rear portion flywheel be positioned at the outside of rear portion flywheel for flywheel outside coaxial and this rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202886808U CN202935529U (en) | 2012-06-15 | 2012-06-15 | Bicycle and inner and outer side transmission systems thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202886808U CN202935529U (en) | 2012-06-15 | 2012-06-15 | Bicycle and inner and outer side transmission systems thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202935529U true CN202935529U (en) | 2013-05-15 |
Family
ID=48319783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202886808U Expired - Fee Related CN202935529U (en) | 2012-06-15 | 2012-06-15 | Bicycle and inner and outer side transmission systems thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202935529U (en) |
-
2012
- 2012-06-15 CN CN2012202886808U patent/CN202935529U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20150615 |
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| EXPY | Termination of patent right or utility model |