CN207955938U - Bicycle - Google Patents

Abstract

The utility model provides a kind of bicycle,It includes vehicle frame,Front-wheel and trailing wheel,Vehicle frame includes the after-poppet for being provided with trailing wheel,The foot pedal apparatus for driving trailing wheel to rotate is provided on after-poppet,Foot pedal apparatus includes two footstep mechanisms of the left and right sides for being respectively arranged at after-poppet,Each footstep mechanism includes the lever for being rotationally connected with after-poppet,It is connected to the pedal of the front end of lever,The pulling plate being set in the shaft of trailing wheel,And it is set to the umbrella rope between the rear end of lever and pulling plate,One end of umbrella rope is connected to the rear end of lever,The other end of umbrella rope is connected in pulling plate,Two lever rotations can be driven respectively by trampling two pedals when the both feet alternating of bicyclist,The rear end of two levers is set alternately to pull corresponding umbrella rope respectively far from trailing wheel,Two umbrella ropes drive corresponding pulling plate to rotate successively,Two pulling plates alternately drive trailing wheel to rotate.

Description

Bicycle

Technical field

The utility model is related to scooter field more particularly to a kind of bicycles.

Background technology

Existing bicycle generally comprises vehicle frame, wheel, rotatable connection in foot-operated, chain, saddle etc. on the vehicle frame, When riding, bicyclist is sitting in foot pedal on the saddle, is rotated by chain-driving tire.However, existing bicycle The typically no installation suspension of saddle, the saddle vibration-isolating effect are poor；The rotary foot-operated both feet for needing bicyclist are significantly transported It is dynamic, it is easy to make double-legged fatigue, to influence the comfort level of bicyclist.

Utility model content

The purpose of this utility model is to provide a kind of simple in structure, easy to use, and the bicycle of comfort level can be improved.

In order to solve the above-mentioned technical problem, the utility model provides a kind of bicycle comprising vehicle frame, be set to it is described Front-wheel and trailing wheel, the vehicle frame on vehicle frame include the after-poppet for being provided with the trailing wheel, are provided with and are used on the after-poppet The foot pedal apparatus of the trailing wheel rotation is driven, the foot pedal apparatus includes the two of the left and right sides for being respectively arranged at the after-poppet A footstep mechanism, each footstep mechanism include the lever for being rotationally connected with the after-poppet, are connected to the front end of the lever Pedal, the pulling plate being set in the shaft of the trailing wheel, and the umbrella rope that is set between the lever and the pulling plate, it is described One end of umbrella rope is connected to the rear end of the lever, and the other end of the umbrella rope is connected in the pulling plate, when pair of bicyclist Foot alternately tramples two pedals to drive two lever rotations respectively, keeps the rear end alternating of two levers separate The trailing wheel and pull corresponding umbrella rope respectively, two umbrella ropes drive corresponding pulling plate to rotate successively, two pulling plates The trailing wheel is alternately driven to rotate.

Preferably, the lever is bent angle lever, and the bent angle lever includes the preceding body of rod for being connected to the pedal, from institute The rear body of rod that the one end of the preceding body of rod far from the pedal obliquely upwardly extends is stated, and be convexly equipped in the end of the rear body of rod The intersection of connecting rod, the preceding body of rod and the rear body of rod is rotationally connected with the connecting shaft of the after-poppet.

Preferably, one end of the umbrella rope is around being fixed on the after-poppet after the connecting rod, the umbrella rope it is another One end surrounds and is connected in pulling plate.

Preferably, pulley is arranged in the connecting rod, one end of the umbrella rope is described around being fixed on after the pulley On after-poppet.

Preferably, the pedal is located at the top of the preceding body of rod, and the pedal is rotationally connected with the preceding body of rod, The rear and front end of the preceding body of rod is the upper position-arresting and lower position-arresting of the downside of the pedal respectively, the downside of the pedal Front end energy backstop is in the upper position-arresting, and the rear end energy backstop of the downside of the pedal is in the lower position-arresting.

Preferably, the after-poppet include rear bar, be set to the rear bar front end link block, be set to the rear bar Rear end back vent, and be set to the support element of the link block front end, being connected to by connecting shaft for the lever is described Link block, the trailing wheel are set on the back vent.

Preferably, the vehicle frame further includes fore-stock, and the fore-stock includes front bar, and the rear end of the front bar, which is provided with, to be turned Axis, the front bar are connected to the support element by the shaft, and the after-poppet is by the support element along the shaft court The fore-stock rotation, can be such that the after-poppet is folded with fore-stock, described when the after-poppet folds together with fore-stock Front-wheel supports the bicycle jointly with the support element.

Preferably, the support element includes two opposite support plates of interval, and receiving is formed between two support plates The rear end of slot, the front bar is contained in the container, and the shaft is rotationally connected between two support plates.

Preferably, one end convex of each support plate far from the link block is equipped with sole, and the sole is used for and institute It states front-wheel and supports the bicycle jointly.

Preferably, it is provided with stop tab between two support plates, the stop tab is located at two support plates Downside, upper side of the link block adjacent to one end of the support element are provided with folding fastener, and the rear end of the front bar is provided with Locking plate, the folding fastener can be fastened on the locking plate, and the stop tab and the folding fastener are for preventing the rear branch Frame is folded with fore-stock.

Preferably, the fore-stock further includes the montant for the front end for being rotationally connected with the front bar, and is set to described The front fork of the lower end of montant, the front-wheel are set on the front fork, and lock is provided on the montant, when the after-poppet is rolled over When being stacked on the fore-stock, the lock secures on the trailing wheel.

Bicycle provided by the utility model provides the driving force advanced by the foot pedal apparatus to the bicycle, The both feet of bicyclist are only needed to trample two pedals in the bicycle alternatively up and down, before the bicycle capable of being driven Into not needing both feet, significantly stretching, extension and bending will not be easy fatigue to keep both feet laborsaving；In addition, the bicycle saves Omited saddle, ride the bicycle when, bicyclist directly stands on two pedals, and the buttocks of bicyclist will not be by It hits, to improve the comfort level of bicyclist.

Description of the drawings

In order to illustrate more clearly of the technical solution of the utility model embodiment, will make below to required in embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.

Fig. 1 is the stereochemical structure decomposing schematic representation of an embodiment of the utility model bicycle.

Fig. 2 is the dimensional structure diagram at another visual angle of Fig. 1.

Fig. 3 is the three-dimensional assembling schematic diagram of Fig. 1.

Fig. 4 is the three-dimensional assembling schematic diagram of Fig. 2.

Fig. 5 is the folded state dimensional structure diagram of an embodiment of the utility model bicycle.

Fig. 6 is the dimensional structure diagram at another visual angle of Fig. 5.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not under the premise of making the creative labor The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of the utility model embodiment, it is to be understood that the orientation of the instructions such as term " thickness " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than Imply or indicate that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot It is construed as a limitation of the present invention.

It please refers to Fig.1 to Fig.4, Fig. 1 is the stereochemical structure decomposing schematic representation of an embodiment of the utility model bicycle；Figure 2 be the dimensional structure diagram at another visual angle of Fig. 1；Fig. 3 is the three-dimensional assembling schematic diagram of Fig. 1；Fig. 4 is the three-dimensional assembling of Fig. 2 Schematic diagram.The utility model provides an a kind of front-wheel of the bicycle 100 including a vehicle frame 20, the front end for being set to the vehicle frame 20 40, and it is set to a trailing wheel 50 of the rear end of the vehicle frame 20.The vehicle frame 20 includes after being provided with the one of the trailing wheel 50 Holder 22 is provided with the foot pedal apparatus 60 for driving the trailing wheel 50 to rotate on the after-poppet 22.The foot pedal apparatus 60 include two footstep mechanisms 62 of the left and right sides for being respectively arranged at the after-poppet 22, and each footstep mechanism 62 includes rotation Be connected to a lever 621 of the after-poppet 22, the front end for being connected to the lever 621 a pedal 623, be set to it is described after The pulling plate 625 in 50 shaft 52 is taken turns, and the umbrella being set between the rear end of the lever 621 and the pulling plate 625 Rope 627.One end of the umbrella rope 627 is connected to the rear end of the lever 621, and the other end of the umbrella rope 627, which surrounds, to be connected to In the pulling plate 625.The both feet of bicyclist alternately trample two pedals 623 and two levers 621 are driven to rotate respectively, The rear end of two levers 621 is set alternately to pull corresponding umbrella rope 627 respectively far from the trailing wheel 50, two umbrella ropes 627 drive the rotation of corresponding pulling plate 625 to make two pulling plates 625 that the trailing wheel 50 alternately be driven to rotate successively, to drive The dynamic bicycle 100 advances.

The utility model bicycle 100 is connected by 627 one end of umbrella rope of each footstep mechanism 62 of the foot pedal apparatus 60 It is connected to the rear end of corresponding lever 621, the other end of the umbrella rope 627 is trampled downwards around being connected in corresponding pulling plate 625 Each pedal 623 and drive corresponding lever 621 rotate, so that the rear end of the lever 621 is pulled correspondence far from the trailing wheel Umbrella rope 627, the umbrella rope 627 pull corresponding pulling plate 625 rotate and drive the shaft 52 of the trailing wheel 50 to rotate, to make The trailing wheel 50 rotates.The driving force advanced is provided to bicycle 100 by the foot pedal apparatus 60, only needs the both feet of bicyclist Two pedals 623 in the bicycle 100 are trampled alternatively up and down, the bicycle 100 can be driven to advance, as level land is walked Road, not needing both feet, significantly stretching, extension and bending will not be easy fatigue to keep both feet laborsaving；In addition, the bicycle 100 are omitted saddle, ride the bicycle 100 when, bicyclist directly stands on two pedals 623, bicyclist's Buttocks will not be hit, to improve the comfort level of bicyclist.

The vehicle frame 20 further includes a fore-stock 24, the fore-stock 24 includes a front bar 241, be rotationally connected with it is described before One montant 243 of the front end of bar 241, be set to the montant 243 lower end a front fork 245 and be set to the montant One handlebar 247 of 243 upper end.The front-wheel 40 is set on the front fork 245, and a lock is provided on the montant 243 248, that is, the lock 248 is sheathed on the montant 243 and the lock 248 is located at the front bar 241 and the handlebar Between 247.The front bar 241 include be rotationally connected with the montant 243 a link block 2411, from the link block 2411 to Afterwards and the connection strap 2413 that extends downwardly, and it is convexly equipped in the one end of the connection strap 2413 far from the link block 2411 One extends item 2415, and the item 2415 that extends extends along the extending direction of the connection strap 2413.The rear end of the front bar 241 is set It is equipped with a shaft 2417, that is, the shaft 2417 is set to the end for extending item 2415 and along perpendicular to the extension item 2415 extending direction protrudes the left and right sides for extending item 2415.The upper side projection one of the end for extending item 2415 Locking plate 2418, the locking plate 2418 are directed towards the arc-like sheet of the bending of the montant 243.

The after-poppet 22 include a rear bar 221, be set to the rear bar 221 front end a link block 223, be set to One back vent 225 of the rear end of the rear bar 221, and it is set to a support element 227 of the front end of the link block 223.Two Lever 621 is rotationally connected with the left and right sides of the link block 223 respectively.The trailing wheel 50 is set in the back vent 225, That is, the shaft 52 of the trailing wheel 50 is set in the back vent 225.The middle part of the link block 223 is provided with a connecting shaft 2232, the connecting shaft 2232 extends in left-right direction, and the opposite both ends of the connecting shaft 2232 each extend over out it is described The left and right sides of link block 223.Two levers 621 are rotationally connected with the opposite both ends of the connecting shaft 2232 respectively Portion.Upper side of the link block 223 adjacent to one end of the support element 227 is provided with a folding fastener 2234, the folding fastener 2234 correspond to the locking plate 2418 for extending item 2415, that is, the folding fastener 2234 can be fastened on the locking plate 2418.

The support element 227 includes being spaced two opposite support plates 2272, and two support plates 2272 are respectively set The left and right sides in the front end of the link block 223 forms a container 2273, the receipts between two support plates 2272 Tank 2273 is used to accommodate the rear end of the front bar 241, that is, the extension item 2415 of the front bar 241 can be contained in the receiving In slot 2273.Each support plate 2272 obliquely upwardly extends again after first extending forward from the front end of the link block 223, to The support plate 2272 is set to be formed with a bending part.A shaft hole is offered at the bending part of two support plates 2272 respectively 2275, two shaft holes 2275 are oppositely arranged.The outside projection in the one end of each support plate 2272 far from the link block 223 There is a sole 2277.A stop tab 2278 is provided between two support plates 2272, the stop tab 2278 is located at two The downside of the support plate 2272.

In the present embodiment, each lever 621 is bent angle lever, and the bent angle lever includes being connected to the pedal 623 The body of rod 6212 before one, from the body of rod after one that 6212 one end far from the pedal 623 of the preceding body of rod obliquely upwardly extends 6214, and it is convexly equipped in a connecting rod 6215 of the end of the body of rod 6214 afterwards, the connecting rod 6215 is propped up afterwards towards described The direction of frame 22 extends, that is, the connecting rod 6215 extends towards the side of the link block 223.The preceding body of rod 6212 with The body of rod 6214 surrounds the connection strap of V-arrangement after described, the preceding body of rod 6212 with it is described after the body of rod 6214 intersection rotationally It is connected to 2232 corresponding one end of the connecting shaft, to make the preceding body of rod 6212 and the intersection of the rear body of rod 6214 turn The dynamic link block 223 for being connected to the after-poppet 22.The preceding body of rod 6212 at the body of rod after described 6214 far from being provided with interval Two opposite support chips 6216, two support chips 6216 upwardly extend, and the top of two support chips 6216 A connecting hole 6218 is offered respectively, and two connecting holes 6218 are oppositely arranged.The pedal 623 include a plate body 6231 and It is convexly equipped in a connecting piece 6233 at the middle part of the downside of the plate body 6231, the lower end of the connection sheet 6233 is in left-right direction Open up an axis hole 6235.The connection sheet 6233 is movably plugged between two support chips 6216, provides a connection Axis passes through the connecting hole 6218 of the support chip 6216 and the axis hole 6235 of the connection sheet 6233, and the pedal 623 is made to connect Positioned at the top of the preceding body of rod 6212, and the pedal 623 is rotatably connected at the preceding body of rod 6212.Therefore, described The rear and front end of the preceding body of rod 6212 is the upper position-arresting and lower position-arresting of the downside of the pedal 623 respectively, that is, the pedal 623 In rotation process between two support chips 6216, the front end energy backstop of the downside of the pedal 623 is before described The upper position-arresting of the body of rod 6212, the rear end energy backstop of the downside of the pedal 623 is in the lower position-arresting of the preceding body of rod 6212.It is described Be arranged with a pulley 6219 in connecting rod 6215, one end of the umbrella rope 627 around be fixed on after the pulley 6219 it is described after On holder 22, the other end of the umbrella rope 627, which surrounds, to be connected in corresponding pulling plate 625.In the present embodiment, the umbrella rope 627 One end around being fixed on the rear bar 221 at the back vent 225 after the pulley 6219.

When assembling the vehicle frame 20 of the bicycle 100, the rear branch is inserted into the rear end of the front bar 241 of the fore-stock 24 In the container 2273 of the support element 227 of frame 22, that is, the extension item 2415 of the front bar 241 is inserted into the container 2273, The both ends of the shaft 2417 in the front bar 241 are made rotationally to be plugged in the shaft hole 2275 of the support element 227 respectively, And folding fastener 2234 of the locking plate 2418 of the front bar 241 on the link block 223.At this point, after the front bar 241 End is connected to the support element 227 by the shaft 2417, and the after-poppet 22 can be by the support element 227 along described turn Axis 2417 is rotated towards the fore-stock 24, so as to make the after-poppet 22 be folded with fore-stock 24.

When using the bicycle 100, the after-poppet 22 and fore-stock 24 are in not folded state, that is, before described The downside of the extension item 2415 of holder 24 is connected to the stop tab 2278 of the support element 227, and the folding fastener 2234 is detained It is connected on the locking plate 2418 of the front bar 241, to prevent the after-poppet 22 from being folded with fore-stock 24.The both feet of bicyclist are stepped on It steps on two pedals 623, since the bicycle 100 is asellate, the weight of bicyclist can fully fall in two On the pedal 623.The both feet of bicyclist trample two pedals 623 alternately up and down respectively, make two levers 621 It is rotated respectively along connecting shaft 2232 and pulls corresponding umbrella rope, to make two umbrella ropes drive pulling plate to rotate respectively, described in two Pulling plate alternately drives the trailing wheel to rotate and the bicycle 100 advances.

Concrete operations are as follows：The left foot and right crus of diaphragm of bicyclist tramples the pedal in the left and right side of the holder 20 respectively On 623.When bicyclist is by gravity motion to left foot, left foot jams on the pedal 623 in the left side of the holder 20 and presses institute The lever 621 for stating 20 left side of holder rotates, that is, the preceding body of rod 6212 of the lever 621 moves down, after the lever 621 The body of rod 6214 moves up；The connecting rod 6215 of the lever 621 is also with the body of rod 6214 after described towards movement, that is, the company The distance between extension bar 6215 and corresponding pulling plate 625 increase；The connecting rod 6215 stretches forward the left side of the holder 20 Umbrella rope 627, so that the pulling plate 625 that the umbrella rope 627 drives the left side of the holder 20 is rotated, the pulling plate 625 drives described Shaft 52 rotates, and drives the bicycle 100 to advance to make the trailing wheel 50 rotate.When bicyclist is by gravity motion to the right side When on foot, the lever 621 that right crus of diaphragm jams on the pedal 623 on 20 right side of the holder and presses 20 right side of the holder rotates, that is, institute The preceding body of rod 6212 for stating lever 621 moves down, and the rear body of rod 6214 of the lever 621 moves up；The connecting rod 6215 The distance between corresponding pulling plate 625 increases, and the connecting rod 6215 stretches forward the umbrella rope on the right side of the holder 20 627, so that the pulling plate 625 that the umbrella rope 627 drives the right side of the holder 20 is rotated, the pulling plate 625 drives the shaft 52 It rotates again, drives the bicycle 100 to advance to make the trailing wheel 50 rotate；Meanwhile the left side of the holder 20 Pulling plate 625 pull 627 one end far from the lever 621 of corresponding umbrella rope to be surrounded again in the pulling plate 625, the umbrella Rope 627 drives the rotation of lever 621 in 20 left side of the holder to reset, that is, the rear body of rod 6214 of the lever 621 moves down multiple Position, the preceding body of rod 6212 of the lever 621 move up reset.The left foot and right crus of diaphragm of bicyclist alternately jams on the holder 20 Two pedals 623 of left and right side, two levers 621 drive the drawing of the left and right side of the holder 20 respectively Disk 625 rotates, to make two pulling plates 625 alternately the trailing wheel 50 be driven to rotate.The left foot and right crus of diaphragm of bicyclist replaces The process for jamming on the pedal 623 of the left and right side of the holder 20 is equivalent to bicyclist in walking, and the both feet of bicyclist save Power will not be easy fatigue.

Also referring to Fig. 5 and Fig. 6, when the bicycle 100 folds, the folding fastener 2234 is first released to the locking The fastening of piece 2418 folds the after-poppet 22 along the connecting shaft 2232 towards the fore-stock 24, until the trailing wheel 50 by interlocking on the lock 248 of the fore-stock 24, fold and support only need an action to complete, make the after-poppet 22 It is folded with fore-stock 24.At this point, since the lock 248 is fixed on the montant 243, the lock 248 locks The trailing wheel 50, so, the montant 243 cannot rotate, that is, the bicycle 100 cannot travel；In addition, the front-wheel 40 The bicycle 100 is supported jointly with the support element 227, that is, the front-wheel 40 and two soles 2277 support jointly The bicycle 100,100 footprint of bicycle after folding is small, is convenient for carrying.

It is the embodiment of the utility model embodiment above, it is noted that for the ordinary skill people of the art For member, under the premise of not departing from the utility model embodiment principle, several improvements and modifications can also be made, these change It is also considered as the scope of protection of the utility model into retouching.

Claims (11)

1. a kind of bicycle comprising vehicle frame, the front-wheel being set on the vehicle frame and trailing wheel, it is characterized in that, the vehicle frame After-poppet including being provided with the trailing wheel is provided with the foot pedal apparatus for driving the trailing wheel rotation on the after-poppet, The foot pedal apparatus includes two footstep mechanisms of the left and right sides for being respectively arranged at the after-poppet, and each footstep mechanism includes Be rotationally connected with the lever of the after-poppet, the front end for being connected to the lever pedal, be set in the shaft of the trailing wheel Pulling plate, and the umbrella rope that is set between the lever and the pulling plate, one end of the umbrella rope is connected to the lever The other end of rear end, the umbrella rope is connected in the pulling plate, when the both feet of bicyclist alternately trample two pedals to divide Not Dai Dong two lever rotations, so that the rear end of two levers is alternately pulled corresponding umbrella respectively far from the trailing wheel Rope, two umbrella ropes drive corresponding pulling plate to rotate successively, and two pulling plates alternately drive the trailing wheel to rotate.

2. bicycle according to claim 1, which is characterized in that the lever is bent angle lever, the bent angle lever packet Include the preceding body of rod for being connected to the pedal, the rear bar obliquely upwardly extended from the described one end of the preceding body of rod far from the pedal Body, and it is convexly equipped in the connecting rod of the end of the rear body of rod, the intersection of the preceding body of rod and the rear body of rod is rotatablely connected In the connecting shaft of the after-poppet.

3. bicycle according to claim 2, which is characterized in that one end of the umbrella rope is fixed after bypassing the connecting rod In on the after-poppet, the other end of the umbrella rope is around being connected in pulling plate.

4. bicycle according to claim 3, which is characterized in that pulley is arranged in the connecting rod, the umbrella rope One end is fixed on after bypassing the pulley on the after-poppet.

5. bicycle according to claim 2, which is characterized in that the pedal is located at the top of the preceding body of rod, and institute It states pedal and is rotationally connected with the preceding body of rod, the rear and front end of the preceding body of rod is that the upper of the downside of the pedal stops respectively Position and lower position-arresting, the front end energy backstop of the downside of the pedal is in the upper position-arresting, the rear end energy of the downside of the pedal Backstop is in the lower position-arresting.

6. bicycle according to claim 2, which is characterized in that the after-poppet includes rear bar, is set to the rear bar Front end link block, be set to the rear bar rear end back vent, and be set to the support element of the link block front end, institute It states lever and the link block is connected to by connecting shaft, the trailing wheel is set on the back vent.

7. bicycle according to claim 6, which is characterized in that the vehicle frame further includes fore-stock, the fore-stock packet Front bar is included, the rear end of the front bar is provided with shaft, and the front bar is connected to the support element by the shaft, is propped up after described Frame is rotated along the shaft towards the fore-stock by the support element, the after-poppet can be made to be folded with fore-stock, when described When after-poppet is folded together with fore-stock, the front-wheel supports the bicycle jointly with the support element.

8. bicycle according to claim 7, which is characterized in that the support element includes two opposite supports of interval Plate forms container between two support plates, and the rear end of the front bar is contained in the container, the shaft rotation It is connected between two support plates.

9. bicycle according to claim 8, which is characterized in that the one end of each support plate far from the link block is outside It is convexly equipped with sole, the sole is used to support the bicycle jointly with the front-wheel.

10. bicycle according to claim 8, which is characterized in that be provided with stop tab between two support plates, institute The downside that stop tab is located at two support plates is stated, upper side of the link block adjacent to one end of the support element is provided with The rear end of folding fastener, the front bar is provided with locking plate, and the folding fastener can be fastened on the locking plate, the stop tab and The folding fastener is for preventing the after-poppet from being folded with fore-stock.

11. bicycle according to claim 7, which is characterized in that the fore-stock further include be rotationally connected with it is described before The montant of the front end of bar, and it is set to the front fork of the lower end of the montant, the front-wheel is set on the front fork, described perpendicular Lock is provided on bar, when the after-poppet is folded on the fore-stock, the lock secures on the trailing wheel.