CN208134539U

CN208134539U - A kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle

Info

Publication number: CN208134539U
Application number: CN201820612091.8U
Authority: CN
Inventors: 张为朝
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-24
Filing date: 2018-04-24
Publication date: 2018-11-23
Anticipated expiration: 2028-04-24

Abstract

A kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle, belong to bicycle manufacturing technology field, it is made of in structure connections such as device housing, bearing block, axis, drive rod, belt, spring, rotating wheel, cranks, the utility model structure novel, working principle is clear, swings up and down drive central axis by left and right crank, drives drive rod to swing up and down by axis, the flexible of belt is driven by drive rod, drives rotating wheel to be resetted by spring.The utility model is compared with traditional bicycle driving structure, achievable unilateral side is operated alone and bilateral driven, previous foot-operated lopping binding mode is changed to binding mode up and down when driving, it rides after stepping on through spring automatic reset, solves the problems, such as that dead-centre position is laborious when standard bicycle driving, saves the physical strength of cycling staff, further improve efficiency of riding, key also resides in that its is easy to operate, the further satisfaction demand of riding of different crowd, especially leg handicapped person group.

Description

A kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle

Technical field

The utility model belongs to bicycle manufacturing technology field, is related to a kind of bicycle driving device, specifically relates to And a kind of lever driving device of riding above and below round trip flight linkage for bicycle.

Background technique

China human mortality is numerous, is the biggish country of bicycle usage amount, and bicycle is that current urban transportation is indispensable Component part is had the advantage that using bicycle：(1) atmosphere and noise pollution is not present, can be provided for resident and traveller Convenient and fast Green Travel mode improves the Green Competitiveness in city, while cycling to additionally aid and keep fit and healthy, and reduces urban disease Occur；(2) the short distance trip solution that 1-5 kilometers are provided for city, improves the utilization rate of path resource, alleviates road traffic Congestion solves the problems, such as bus trip " last 1 kilometer "；(3) compared with bus, bicycle is small with the scale of construction, operation is clever The characteristics of living, accessibility is good and small investment, can be used as the complementary tool that rail traffic is plugged into, promotes various friendships to the maximum extent The reasonable utilization of logical resource meets the multi-level short distance trip of resident and the transport need of different trip purposes, convenient, high Collecting and distributing passenger flow is imitated, the overall operation efficiency of urban transportation is improved.

However, the driving of existing bicycle is that the handlebar for controlling bicycle by hand and front-wheel control direction, people is sitting in On bike saddle, using the strength of foot and leg, foot pedal is driven, then by pedal, rotating wheel disk, on chain drive rear-wheel Flywheel make bicycle move ahead.The driving device of this bicycle is that crank one end is connected with axis, and axis also participates in being driven, i.e., Roundlet (axis) drive great circle (chain wheel), but the drive efficiency of dead point (bicycle crank is consistent with gravity direction) nearby extremely Lowly, foot pedal steps the most laborious, when bicycle is when flat or descending is ridden, the inertia of bicycle crank can be leaned on natural Dead point is moved past to overcome it, but when cycling speed is relatively slow or goes up a slope, the problem is than more prominent, due to power at dead point Direction it is consistent with the direction of the arm of force, kinetic moment is zero at this time, has thereby resulted in the very big waste of manpower, has easily caused cyclist Fatigue, be unfavorable for taking exercises, if riding overlong time, will cause buttocks and leg pain.Therefore, a kind of province is designed The driving device of power is just particularly important for bicycle.

Utility model content

The utility model for standard bicycle driving is ridden by lopping, is driven by axis band movable chain wheel, but foot-operated Drive efficiency is low when crank is consistent with gravity direction in the process, steps arduously, easily causes the fatigue of cyclist, be unfavorable for forging The deficiencies of refining body, will cause buttocks and leg pain proposes a kind of upper and lower lever of riding of round trip flight linkage for bicycle Driving device saves the physical strength of cycling staff by way of changing the structure of device and stepping, can further satisfaction difference The demand of riding of crowd, further increases efficiency of riding.

The technical solution of the utility model：A kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle, Including device housing, left crank and right crank on the outside of device housing, and the left threading being arranged on the crank of left and right are set And right threading；It is characterized in that：The front end of described device enclosure interior is equipped with front platform, and the front platform is equipped with front left Bearing block and front right bearing block, are equipped with bearing in the preceding left shaft holder and front right bearing block, in the preceding left shaft holder Left side axis is equipped in bearing, one end of the left side axis stretches out on the outside of device housing and is connected with the left crank, Left drive rod is fixed on the left side axis；Right side axis, the right side are equipped in bearing in the front right bearing block One end of axis stretches out on the outside of device housing and is connected with the right crank；Right driving is fixed on the right side axis Bar, the rear end of described device enclosure interior are equipped with left rear side platform and right lateral side platform, and the left rear side platform is equipped with left back Bearing block, the right lateral side platform are equipped with right rear bearing block, are equipped with bearing in the left back bearing block and right rear bearing block, Shaft is equipped in the bearing, the shaft is equipped with left pivot movement wheel and right side rotating wheel, the left pivot movement wheel and right side Flywheel is equipped in rotating wheel, center and the shaft of the flywheel form a fixed connection, and the outside of the flywheel and left and right sides turn Driving wheel is connected and fixed, and left leather belt and left spring, the left leather belt and the left drive rod phase are arranged on the left pivot movement wheel Connection, the head of the left spring is connected with the preceding left shaft holder；Right leather belt and the right side are arranged on the right side rotating wheel Spring, the right leather belt are connected with the right drive rod, and the head of the right spring is connected with the front right bearing block, institute The outside for stating right side rotating wheel is equipped with fixed sprocket wheel, and the sprocket wheel is equipped with chain, and the chain is pierced by described device shell And it is connected with the flywheel on bicycle rear axle.

The left drive rod is identical with right driving rod structure, and left and right driving bar is that whole bar is inverted by the formation of bending twice L-shaped structure, the angle of two bending parts is not less than 90 °, and the quarter butt end of left and right driving bar and the welding of respective axis are solid Fixed, long rod end and the respective belt of left and right driving bar are fastenedly connected.

The left crank is identical with right crank structure, and left and right crank is two-part link mechanism, has not between two connecting rods Angle less than 120 °, two connecting rods are fixed by fasteners tight, and the angle between two connecting rods is adjustable, left and right side axis with step on Center between plate shaft away from not less than the center between left and right side axis and shaft away from.

The front platform, left rear side platform and right lateral side platform are welded and fixed with device housing, front platform, left back The high settings such as side platform and right lateral side platform.

The left pivot movement wheel and right side rotating wheel are the sheave with double flute, the inner ring of the outer ring of flywheel and sheave, The inner ring of flywheel and the outer ring of shaft are respectively formed interference fit.

The sprocket wheel forms coaxial screw thread with right side rotating wheel and is tightened.

The front platform is equipped with buffer limit block, before buffer limit block is arranged in below face left and right driving bar On horizontalization platform.

The beneficial effects of the utility model are：The utility model proposes a kind of round trip flight linkage for bicycle ride up and down Row lever driving device, structure novel, working principle is clear, by device housing, bearing block, axis, drive rod, skin in structure The components such as band, spring, rotating wheel, crank, sprocket wheel connection composition, swings up and down drive central axis by left and right crank, leads to Crossing axis drives drive rod to swing up and down, and due to being mode of riding up and down, left and right crank can be lengthened at double, to play lever Effect, the flexible of belt is driven by drive rod, drives rotating wheel to be resetted by spring.The utility model and traditional Bicycle driving structure is compared, it can be achieved that unilateral side is operated alone will ride lopping in the past with bilateral driven, when driving and act on Mode is changed to binding mode up and down, rides by spring automatic reset after stepping on, dead point when solving standard bicycle driving The laborious problem in position, saves the physical strength of cycling staff, further improves efficiency of riding, and key also resides in that its is easy to operate, The further satisfaction demand of riding of different crowd, especially leg handicapped person group.

Detailed description of the invention

Fig. 1 is the utility model entirety overlooking structure diagram.

Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1.

Fig. 3 is spring mounting structure schematic diagram in the utility model embodiment.

In figure：Device housing 1, right drive rod 2, right crank 3, right spring 4, right leather belt 5, left back bearing block 6, right threading 7, It is right lateral side platform 8, chain 9, right side rotating wheel 10, shaft 11, left pivot movement wheel 12, left rear side platform 13, left threading 14, left back Bearing block 15, left leather belt 16, left spring 17, left crank 18, left drive rod 19, left side axis 20, preceding left shaft holder 21, preceding right axle Hold seat 22, front platform 23, right side axis 24, bearing 25, sprocket wheel 26, buffer limit block 27, fixed block 28.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing：

As shown in Figs. 1-2, a kind of round trip flight linkage upper and lower ride lever driving device, including device shell for bicycle The left crank 18 and right crank 3 in 1 outside of device housing, and the left threading 14 being arranged on the crank of left and right and the right side is arranged in body 1 Foot-operated 7；Front end inside device housing 1 is equipped with front platform 23, and front platform 23 is equipped with preceding left shaft holder 21 and preceding right axle Seat 22 is held, bearing 25 is equipped in preceding left shaft holder 21 and front right bearing block 22, is equipped in the bearing 25 in preceding left shaft holder 21 Left side axis 20, one end of left side axis 20 stretches out in 1 outside of device housing and is connected with left crank 18, on left side axis 20 It is fixed with left drive rod 19；Right side axis 24 is equipped in bearing 25 in front right bearing block 22, one end of right side axis 24 is stretched It is connected for 1 outside of device housing and with right crank 3；Right drive rod 2 is fixed on right side axis 24, in device housing 1 The rear end in portion is equipped with left rear side platform 13 and right lateral side platform 8, and left rear side platform 13 is equipped with left back bearing block 15, and right lateral side is flat Platform 8 is equipped with right rear bearing block 6, and bearing 25 is equipped in left back bearing block 15 and right rear bearing block 6, is equipped with shaft in bearing 25 11, shaft 11 is equipped with left pivot movement wheel 12 and right side rotating wheel 10, is equipped in left pivot movement wheel 12 and right side rotating wheel 10 Flywheel, center and the shaft 11 of flywheel form a fixed connection, and outside and the left and right sides rotating wheel of flywheel are connected and fixed, left pivot movement It is arranged with left leather belt 16 and left spring 17 on wheel 12, left leather belt 16 is connected with left drive rod 19, and the head of left spring 17 is with before Left shaft holder 21 is connected；Right leather belt 5 and right spring 4 are arranged on right side rotating wheel 10, right leather belt 5 is connected with right drive rod 2 It connects, the head of right spring 4 is connected with front right bearing block 22, and the lateral surface of right side rotating wheel 10 is equipped with fixed sprocket wheel 26, chain Wheel 26 is equipped with chain 9, and chain 9 is pierced by device housing 1 and is connected with the flywheel on bicycle rear axle.

As shown in Figs. 1-2, a kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle, left drive rod 19 Identical with right 2 structure of drive rod, left and right driving bar forms inverted L-shaped structure, two bending parts by bending twice for whole bar Angle be not less than 90 °, quarter butt end and the respective axis of left and right driving bar are welded and fixed, the long rod end of left and right driving bar It is fastenedly connected with respective belt；Left crank 18 is identical with right 3 structure of crank, and left and right crank is two-part link mechanism, and two connect With the angle not less than 120 ° between bar, two connecting rods are fixed by fasteners tight, and the angle between two connecting rods is adjustable, left, Center between right side axis and pedal shaft away from not less than the center between left and right side axis and shaft away from；It is front platform 23, left back Side platform 13 and right lateral side platform 8 are welded and fixed with device housing 1, and front platform 23, left rear side platform 13 and right lateral side are flat The high settings such as platform 8；Left pivot movement wheel 12 and right side rotating wheel 10 are the sheave with double flute, the outer ring of flywheel and sheave it is interior The outer ring of circle, the inner ring of flywheel and shaft is respectively formed interference fit；Sprocket wheel 26 forms coaxial screw thread with right side rotating wheel 10 and revolves It fastens；Front platform 23 is equipped with buffer limit block 27, before buffer limit block 27 is arranged in below face left and right driving bar On horizontalization platform 23.

As shown in figure 3, a kind of round trip flight linkage for bicycle is ridden up and down, spring can be in lever driving device It is arranged in the following way：1 rear end inner wall of device housing is equipped with fixed block 28, and spring 4 and spring 17 are nested in shaft 11 On, one end of spring 4 is fixedly connected with the medial surface of right side rotating wheel 10, and the other end of spring 4 is fixedly connected with fixed block 28； One end of spring 17 is fixedly connected with the medial surface of left pivot movement wheel 12, and the other end of spring 17 is fixedly connected with fixed block.

The utility model structure novel, working principle is clear, swings up and down drive central axis by left and right crank, leads to Crossing axis drives drive rod to swing up and down, and drives the flexible of belt by drive rod, drives rotating wheel to be resetted by spring. The utility model solves the problems, such as that dead-centre position is laborious when standard bicycle driving compared with traditional bicycle driving structure, The physical strength for saving cycling staff, further improves efficiency of riding, key also resides in that its is easy to operate, and further satisfaction is not With the demand of riding of crowd, especially leg handicapped person group.

Claims

Lever driving device, including device housing (1) 1. a kind of round trip flight linkage for bicycle is ridden up and down, setting are filling Set the left crank (18) and right crank (3) on the outside of shell (1), and the left threading (14) and right threading that are arranged on the crank of left and right (7)；It is characterized in that：The internal front end of described device shell (1) is equipped with front platform (23), sets on the front platform (23) There are preceding left shaft holder (21) and front right bearing block (22), is equipped with axis in the preceding left shaft holder (21) and front right bearing block (22) It holds (25), is equipped with left side axis (20) in the bearing (25) in the preceding left shaft holder (21), the one of the left side axis (20) End stretches out on the outside of device housing (1) and is connected with the left crank (18), is fixed with a left side on the left side axis (20) Drive rod (19)；Right side axis (24) are equipped in bearing (25) in the front right bearing block (22), the right side axis (24) One end stretch out on the outside of device housing (1) and be connected with the right crank (3)；It is fixed on the right side axis (24) Right drive rod (2), the internal rear end of described device shell (1) are equipped with left rear side platform (13) and right lateral side platform (8), the left side Rear side platform (13) is equipped with left back bearing block (15), and the right lateral side platform (8) is equipped with right rear bearing block (6), the left side It is equipped with bearing (25) in rear bearing block (15) and right rear bearing block (6), is equipped with shaft (11) in the bearing (25), described turn Axis (11) is equipped with left pivot movement wheel (12) and right side rotating wheel (10), the left pivot movement wheel (12) and right side rotating wheel (10) It is inside equipped with flywheel, center and the shaft (11) of the flywheel form a fixed connection, and the outside of the flywheel and left and right sides rotate Wheel is connected and fixed, and is arranged with left leather belt (16) and left spring (17) on the left pivot movement wheel (12), the left leather belt (16) with The left drive rod (19) is connected, and the head of the left spring (17) is connected with the preceding left shaft holder (21)；The right side Right leather belt (5) and right spring (4) are arranged on side rotating wheel (10), the right leather belt (5) is connected with the right drive rod (2) It connects, the head of the right spring (4) is connected with the front right bearing block (22), and the outside of the right side rotating wheel (10) is equipped with Fixed sprocket wheel (26), the sprocket wheel (26) be equipped with chain (9), the chain (9) be pierced by described device shell (1) and with from Flywheel on driving rear axle is connected.
The lever driving device 2. a kind of round trip flight linkage for bicycle according to claim 1 is ridden up and down, it is special Sign is：The left drive rod (19) is identical with right drive rod (2) structure, and left and right driving bar is that whole bar passes through bending shape twice At inverted L-shaped structure, the angle of two bending parts is not less than 90 °, and the quarter butt end of left and right driving bar and respective axis weld Fixation is connect, long rod end and the respective belt of left and right driving bar are fastenedly connected.
The lever driving device 3. a kind of round trip flight linkage for bicycle according to claim 1 is ridden up and down, it is special Sign is：The left crank (18) is identical with right crank (3) structure, and left and right crank is two-part link mechanism, between two connecting rods With the angle for being not less than 120 °, two connecting rods are fixed by fasteners tight, and the angle between two connecting rods is adjustable, in left and right side Center between axis and pedal shaft away from not less than the center between left and right side axis and shaft away from.
The lever driving device 4. a kind of round trip flight linkage for bicycle according to claim 1 is ridden up and down, it is special Sign is：The front platform (23), left rear side platform (13) and right lateral side platform (8) are welded and fixed with device housing (1), The high settings such as front platform (23), left rear side platform (13) and right lateral side platform (8).
The lever driving device 5. a kind of round trip flight linkage for bicycle according to claim 1 is ridden up and down, it is special Sign is：The left pivot movement wheel (12) and right side rotating wheel (10) are the sheave with double flute, the outer ring of flywheel and sheave Inner ring, the inner ring of flywheel and the outer ring of shaft be respectively formed interference fit.
The lever driving device 6. a kind of round trip flight linkage for bicycle according to claim 1 is ridden up and down, it is special Sign is：The sprocket wheel (26) forms coaxial screw thread with right side rotating wheel (10) and is tightened.
The lever driving device 7. a kind of round trip flight linkage for bicycle according to claim 1 is ridden up and down, it is special Sign is：The front platform (23) is equipped with buffer limit block (27), and buffer limit block (27) is arranged in face left and right driving On front platform (23) below bar.