CN201385741Y

CN201385741Y - Foldable pedal-driving exercise bike

Info

Publication number: CN201385741Y
Application number: CN200920093292U
Authority: CN
Inventors: 张立杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-30
Filing date: 2009-03-30
Publication date: 2010-01-20
Anticipated expiration: 2019-03-30

Abstract

The utility model relates to a foldable pedal-driving exercise bike which belongs to the field of body-building equipment, wherein a handlebar is fixedly connected with a thin upright pole by a chuck and connected with a thick upright pole by a lock catch, the thick upright pole is connected with a front fork by a sleeve of a T-shaped fixedly installed sheath, and a front wheel is connected with the front fork; braking bars are positioned at two ends of the handlebar and connected with a rear wheel band-type brake by a brake wire; the front end of a crossbeam is connected with the T-shaped fixedly installed sheath by a hinge, a trestle at the rear end of the crossbeam is connected with a rear wheel by a rear wheel shaft, two ends of the rear wheel shaft are connected with two gearboxes, the gearbox is internally provided with a planetary transmission mechanism; two pedals are arranged, one ends of the pedals are moveably connected with two sides of the crossbeam, the lower part thereof is provided with a support frame, the other ends of the pedals are connected with input shafts of the gearboxes by a connecting rod I and a connecting rod II; a torsion spring is sheathed on the input shaft, one end thereof is inserted into a positioning hole of the body of the gearbox, and the other end thereof is inserted into the positioning hole of the connecting II; and the foldable pedal-driving exercise bike can be used as the body-building equipment and the means of transportation, the speed rate between input and output reaches 1:16, the movement is fast and flexible, the interestingness is strong, the use is safe and saves material, the weight is light, and the exercise bike can be folded.

Description

Foldable pedal driven body-building vehicle

Technical field

The invention belongs to the body-building apparatus field, relate to adopt the body-building vehicle of foot-operated mode specifically.

Background technology

Existing scooter is installed front-wheel and trailing wheel on car body, scooter relatively simple for structure, and a pin is placed on the pedal that is fixed on the car body, and the another the feet step on the ground is advanced scooter, and this car is suitable for child and juvenile.But for above-mentioned scooter is advanced, a pin is pedaled ground always, often uses a pin, is difficult to see good body-building effect, brings harmful effect can for the children's that are in the growth stage growth.At present, except children, teenager and working clan also spend one's leisure, and adopt dry skating, bicycle, scooter etc. to take exercises, and these utensils generally can both fold, and also are easy to load and unload and deposit.The bicycle that utilizes chain and gear drive has also been arranged now, but by the folded part that old fashioned screw or pin constitute, more coarse in appearance complexity also crushes injury when folding easily, there are inconvenience in chain and the gear method used as drive division, thereby room for improvement is arranged.

Summary of the invention

The object of the present invention is to provide and a kind ofly both can make body-building apparatus, can make walking-replacing tool, body-building vehicle safe in utilization, folding again.

The present invention is by handlebar 1, chuck 2, brake is 3, brake line 4, thin vertical rod 5, snap close 6, thick vertical rod 7, antifriction-bearing box 8, the T font installs cover 9, front-wheel 10, front fork 11, hinge 12, crossbeam 13, bracing frame 14, connecting rod I 15, connecting rod II 16, trailing wheel 17, car body cover 18, pedal 19, gear case 20, trailing wheel band-type brake 21, hind axle 22 and torsion spring 23 are formed, wherein handlebar 1 is affixed with the upper end of thin vertical rod 5 through chuck 2, the lower end of thin vertical rod 5 is connected by snap close 6 with the upper end of thick vertical rod 7, the lower end of thick vertical rod 7 is connected with front fork 11 through the sleeve pipe that the T font installs cover 9, and front-wheel 10 is connected with front fork 11; The sleeve port that the T font installs cover 9 is equipped with antifriction-bearing box 8; Brake is 3 two ends that place handlebar 1, and is connected with trailing wheel band-type brake 21 through brake line 4; The front end of crossbeam 13 installs cover 9 through hinge 12 and T font and is connected, and the crotch of crossbeam 13 rear ends is connected with trailing wheel 17 through hind axle 22, and hind axle 22 two ends also are connected with the gear case 20 of two symmetries; Car body cover 18 places the top of trailing wheel 17; Pedal 19 has two, and the one end flexibly connects through the both sides of bolt and crossbeam 13, and its underpart is equipped with bracing frame 14, and the other end of pedal 19 is connected with the input shaft 30 of gear case 20 through connecting rod I 15, connecting rod II 16; Torsion spring 23 is enclosed within on the input shaft 30, and an end of torsion spring 23 inserts in the knock hole of casing 34 in the gear case 20, and the other end of torsion spring 23 inserts in the knock hole of connecting rod II 16.

Gear case 20 by fixedly internal tooth II 24, planetary wheel II 25, fixedly internal tooth I 26, planetary wheel I 27, inside bracket 28, outrigger 29, input shaft 30, case lid 31, permanent center gear I 32, sun gear II 33 and casing 34 are formed, and wherein are equipped with case lid 31 on the casing 34; Gear case 20 is built-in with epicyclic transmission mechanism, be specially: the outside of inside bracket 28 is provided with four fixing sprockets, four planetary wheel II 25 are housed on the sprocket, four planetary wheel II 25 respectively with fixedly internal tooth II 24 and a mobilizable sun gear II33 engagement that is positioned at inside bracket 28 outer side center of casing 34 inboards, sun gear II33 centre hole is six stupefied shapes, the inboard center of inside bracket 28 is provided with permanent center gear I 32, the inboard of outrigger 29 is provided with four fixing sprockets, be equipped with on the sprocket 27, four planetary wheel I 27 of four planetary wheel I respectively with the fixedly internal tooth I 26 of casing 34 inboards and permanent center gear I 32 engagements; The outer side center of outrigger 29 is connected with the input shaft 30 with case lid 31 centre holes coupling, and the outer end of input shaft 30 is six stupefied shapes; Input shaft 30 is connected with unilateral bearing 35; The middle part of hind axle 22 is circular, and the two ends of hind axle 22 are six stupefied shapes, are connected with the six stupefied shape centre holes of sun gear II 33 respectively; Gear case 20 has two, is symmetrically placed in the two ends of hind axle 22, and trailing wheel 17 is positioned at the centre of hind axle 22.

Unilateral bearing 35 is made up of bearing outside 36, overcoat internal tooth 37, bearing fuse 38 and very heavy 39, and wherein bearing outside 36 inboards are provided with overcoat internal tooth 37; Bearing fuse 38 1 ends are equipped with ball bearing of main shaft, and bearing fuse 38 centre holes are six stupefied shapes, are connected with the input shaft 30 of six stupefied shapes, and bearing outside 36 outsides are provided with keyway, are connected with connecting rod II 16 through key; Very heavy 39 have four, and the one end is wedge shape, and its other end is circular arc; Tapered end and overcoat internal tooth 37 are to being harmonious; Very heavy 39 tapered end is provided with longitudinal slot, and spring is defined in very heavy 39 circular arc end in the positioning groove of bearing fuse 38 sides through longitudinal slot, and bearing fuse 38 and very heavy 39 assembly set place in the bearing outside 36.

Good effect of the present invention is: it both can make body-building apparatus, can make walking-replacing tool again, and the velocity ratio of input and output reaches 1: 16, and it is brisk flexible to move, and interesting strong.The present invention is safe in utilization, material is economized, and is in light weight, collapsible, parking space is little.

Description of drawings

Fig. 1 is the Foldable pedal driven body-building vehicle 3-D view

Fig. 2 is an epicyclic gear box outward appearance 3-D view

Fig. 3 is the epicyclic gear box structural representation

Fig. 4 is the unilateral bearing viewgraph of cross-section

Wherein: 1. the brake of handlebar 2. chucks 3. 4. brake lines, 5. thin vertical rod 6. snap closes 7. thick vertical rod 8. rolling bearing 9.T fonts be fixedly mounted with overlap 10. front-wheels, 11. front forks, 12. hinges, 13. crossbeams, 14. bracing frames, 15. connecting rod I16. connecting rod II, 17. trailing wheels, 18. body covers, 19. pedals, 20. gear-boxes, 21. trailing wheel band-type brakes, 22. hind axles, 23. torsion springs 24. fixedly internal tooth II 25. planetary gear II 26. fixedly internal tooth I 27. planetary gear I 28. inside bracket 29. outriggers 30. power shafts 31. case lids 32. fixed center gear I 33. central gear II 34. casings 35. unilateral bearings 36. bearing outsides 37. overcoat internal tooths 38. bearing fuses 39. are very heavy

The specific embodiment

Handlebar 1 is affixed with the upper end of thin vertical rod 5 through chuck 2 among the present invention, and the lower end of thin vertical rod 5 is connected by snap close 6 with the upper end of thick vertical rod 7, and the lower end of thick vertical rod 7 is connected with front fork 11 through the sleeve pipe that the T font installs cover 9, and front-wheel 10 is connected with front fork 11; The sleeve port that the T font installs cover 9 is equipped with antifriction-bearing box 8; Brake is 3 two ends that place handlebar 1, and is connected with trailing wheel band-type brake 21 through brake line 4; The front end of crossbeam 13 installs cover 9 through hinge 12 and T font and is connected, and hinge 12 can make body-building vehicle folding.The crotch of crossbeam 13 rear ends is connected with trailing wheel 17 through hind axle 22, and hind axle 22 two ends also are connected with the gear case 20 of two symmetries, when alternately scrunching two pedals 19, can make pedal 19 drive body-building vehicle and travel forward.Car body cover 18 places the top of trailing wheel 17; Pedal 19 has two, and the one end flexibly connects through the both sides of bolt and crossbeam 13, and its underpart is equipped with bracing frame 14, and the other end of pedal 19 is connected with the input shaft 30 of gear case 20 through connecting rod I 15, connecting rod II16; Torsion spring 23 is enclosed within on the input shaft 30, and an end of torsion spring 23 inserts in the knock hole of casing 34 in the gear case 20, and the other end of torsion spring 23 inserts in the knock hole of connecting rod II 16.When alternately scrunching two pedals 19, under the elastic force effect of torsion spring 23, pedal 19 can be automatically reset.

Bearing outside 36 inboards in the unilateral bearing 35 are provided with overcoat internal tooth 37; Bearing fuse 38 1 ends are equipped with ball bearing of main shaft, and bearing fuse 38 centre holes are six stupefied shapes, are connected with the input shaft 30 of six stupefied shapes, and bearing outside 36 outsides are provided with keyway, are connected with connecting rod II 16 through key; Very heavy 39 have four, and the one end is wedge shape, and its other end is circular arc; Tapered end and overcoat internal tooth 37 are to being harmonious; Very heavy 39 tapered end is provided with longitudinal slot, and spring is defined in very heavy 39 circular arc end in the positioning groove of bearing fuse 38 sides through longitudinal slot, and bearing fuse 38 and very heavy 39 assembly set place in the bearing outside 36.Unilateral bearing 35 is assemblied in connecting rod II 16 knock holees, and when step tread 19, unilateral bearing 35 rotates forward, and overcoat internal tooth 37 is harmonious with very heavy 39, and the turning effort of unilateral bearing 35 passes to the axle center by very heavy 39, and contrarotation meeting self-locking.

Be equipped with case lid 31 in the gear case 20 on the casing 34; Gear case 20 is built-in with epicyclic transmission mechanism, be specially: the outside of inside bracket 28 is provided with four fixing sprockets, four planetary wheel II 25 are housed on the sprocket, four planetary wheel II 25 respectively with fixedly internal tooth II 24 and a mobilizable sun gear II33 engagement that is positioned at inside bracket 28 outer side center of casing 34 inboards, sun gear II 33 centre holes are six stupefied shapes, the inboard center of inside bracket 28 is provided with permanent center gear I 32, the inboard of outrigger 29 is provided with four fixing sprockets, be equipped with on the sprocket 27, four planetary wheel I 27 of four planetary wheel I respectively with the fixedly internal tooth I 26 of casing 33 inboards and permanent center gear I 32 engagements; The outer side center of outrigger 29 is connected with the input shaft 30 with case lid 31 centre holes coupling, and the outer end of input shaft 30 is six stupefied shapes; Input shaft 30 is connected with unilateral bearing 35; The middle part of hind axle 22 is circular, and the two ends of hind axle 22 are six stupefied shapes, are connected with the six stupefied shape centre holes of sun gear II 33 respectively; Gear case 20 has two, is symmetrically placed in the two ends of hind axle 22, and trailing wheel 17 is positioned at the centre of hind axle 22.

When scrunching pedal 19, through connecting rod I 15 and connecting rod II 16, the input shaft 30 of six stupefied shapes is rotated, and drive planetary wheel I 27 carries out rotation and revolution, at this moment power rotates inside bracket 28 by permanent center gear I 32, drive planetary wheel II 25 and sun gear II 33 then, at last by with sun gear II 33 bonded assembly hind axles 22, driving trailing wheel 17 rotates, the velocity ratio of input and output is at this moment accelerated with the increase of planet gear row hop count, and four planetary wheels are one section, two sections combinations amount to eight planetary wheels, make the velocity ratio of input and output reach 1: 16.

Claims

1. Foldable pedal driven body-building vehicle, by handlebar (1), chuck (2), brake is (3), brake line (4), thin vertical rod (5), snap close (6), thick vertical rod (7), antifriction-bearing box (8), the T font installs cover (9), front-wheel (10), front fork (11), hinge (12), crossbeam (13), bracing frame (14), connecting rod I (15), connecting rod II (16), trailing wheel (17), car body cover (18), pedal (19), gear case (20), trailing wheel band-type brake (21), hind axle (22) and torsion spring (23) are formed, it is characterized in that handlebar (1) is affixed with the upper end of thin vertical rod (5) through chuck (2), the lower end of thin vertical rod (5) is connected by snap close (6) with the upper end of thick vertical rod (7), the lower end of thick vertical rod (7) installs cover (9) through the T font sleeve pipe is connected with front fork (11), and front-wheel (10) is connected with front fork (11); The sleeve port that the T font installs cover (9) is equipped with antifriction-bearing box (8); Braking places the two ends of handlebar (1) to (3), and is connected with trailing wheel band-type brake (21) through brake line (4); The front end of crossbeam (13) installs cover (9) through hinge (12) and T font and is connected, and the crotch of crossbeam (13) rear end is connected with trailing wheel (17) through hind axle (22), and hind axle (22) two ends also are connected with the gear case (20) of two symmetries; Car body cover (18) places the top of trailing wheel (17); Pedal (19) has two, and the one end flexibly connects through the both sides of bolt and crossbeam (13), and its underpart is equipped with bracing frame (14), and the other end of pedal (19) is connected with the input shaft (30) of gear case (20) through connecting rod I (15), connecting rod II (16); Torsion spring (23) is enclosed within on the input shaft (30), and an end of torsion spring (23) inserts in the knock hole of casing (34) in the gear case (20), and the other end of torsion spring (23) inserts in the knock hole of connecting rod II (16).

2. by the described Foldable pedal driven body-building vehicle of claim 1, wherein said gear case (20) by fixedly internal tooth II (24), planetary wheel II (25), fixedly internal tooth I (26), planetary wheel I (27), inside bracket (28), outrigger (29), input shaft (30), case lid (31), permanent center gear I (32), sun gear II (33) and casing (34) are formed, and it is characterized in that being equipped with on the casing (34) case lid (31); Gear case 20 is built-in with epicyclic transmission mechanism, be specially: the outside of inside bracket (28) is provided with four fixing sprockets, four planetary wheel II (25) are housed on the sprocket, four planetary wheel II (25) mesh with inboard fixedly internal tooth II (24) and the mobilizable sun gear II (33) who is positioned at inside bracket (28) outer side center of casing (34) respectively, sun gear II (33) centre hole is six stupefied shapes, the inboard center of inside bracket (28) is provided with permanent center gear I (32), the inboard of outrigger (29) is provided with four fixing sprockets, four planetary wheel I (27) are housed on the sprocket, and four planetary wheel I (27) mesh with inboard fixedly internal tooth I (26) and the permanent center gear I (32) of casing (34) respectively; The outer side center of outrigger (29) is connected with the input shaft (30) with case lid (31) centre hole coupling, and the outer end of input shaft (30) is six stupefied shapes; Input shaft (30) is connected with unilateral bearing (35); The middle part of hind axle (22) is circular, and the two ends of hind axle (22) are six stupefied shapes, are connected with the six stupefied shape centre holes of sun gear II (33) respectively; Gear case (20) has two, is symmetrically placed in the two ends of hind axle (22), and trailing wheel (17) is positioned at the centre of hind axle (22).

3. by the described Foldable pedal driven body-building vehicle of claim 2, wherein said unilateral bearing (35) is made up of bearing outside (36), overcoat internal tooth (37), bearing fuse (38) and very heavy (39), it is characterized in that bearing outside (36) inboard is provided with overcoat internal tooth (37); Bearing fuse (38) one ends are equipped with ball bearing of main shaft, and bearing fuse (38) centre hole is six stupefied shapes, are connected with the input shaft (30) of six stupefied shapes, and bearing outside (36) outside is provided with keyway, is connected with connecting rod II (16) through key; Very heavy (39) have four, and the one end is wedge shape, and its other end is circular arc; Tapered end and overcoat internal tooth (37) are to being harmonious; The tapered end of very heavy (39) is provided with longitudinal slot, and spring is defined in the positioning groove of bearing fuse (38) side through the circular arc end of longitudinal slot with very heavy (39), and the assembly set of bearing fuse (38) and very heavy (39) places in the bearing outside (36).