CN209159914U - A kind of bicycle that can be taken exercises - Google Patents

Abstract

The utility model relates to field of vehicles, particularly disclose a kind of bicycle that can be taken exercises.It includes front-wheel, rear-wheel, handlebar, the axis in middle beam barrel, axis is equipped with large toothed disk, rear-wheel is equipped with rear flywheel, it is chain between large toothed disk and rear flywheel, handlebar lower end is L-type plate, and front-wheel is mounted on L-type plate, and handlebar beam barrel is cased on handlebar, hingedly one-armed rear fork, the rear end of one-armed rear fork are fixed on middle beam barrel handlebar beam barrel；Axis is equipped with preceding flywheel, is installed with vehicle frame between fork and seat pipe outside, and vehicle frame is equipped with asessory shaft, asessory shaft is equipped with upper chain wheel and two ratchets, pull rod is hinged on each ratchet, the front end of pull rod is hinged on outer fork, is linked between preceding flywheel and upper chain wheel by auxiliary chain.In ride, by the handlebar that rocks back and forth, the combination of V-type pull rod is driven constantly to do opening and closing movement, to play the role of power-assisted, drive vehicle forward, while also having tempered upper limb, enhance upper limbs force.

Description

A kind of bicycle that can be taken exercises

Technical field

The utility model relates to field of vehicles, in particular to a kind of bicycle that can be taken exercises.

Background technique

China is bikedom, and ordinary people's majority passes through cycling trip, not only environmental protection but also body-building；Simultaneously with society It can improve, the improvement of people's living standards, people increasingly focus on health, therefore many Exercycle occur, but These Exercycle are only limitted to interior, and are only advantageous for the body-building of lower limb, to the exercise effect very little of upper limb.At present also Can ride instead of walk without one kind but upper and lower extremities simultaneously body-building bicycle.

Summary of the invention

Can ride instead of walk in order to make up for the defects of the prior art, the utility model provides one kind but upper and lower extremities simultaneously body-building The bicycle that can be taken exercises.

The utility model is achieved by the following technical solution:

A kind of bicycle that can be taken exercises, including front-wheel, rear-wheel, handlebar, axis, axis are equipped with large toothed disk, rear-wheel It is equipped with rear flywheel, by chain connection between large toothed disk and rear flywheel, the axis is located in middle beam barrel, on the middle beam barrel Fixed seat pipe, seat pipe are equipped with the vehicle seat for being adjustable height, characterized in that

The handlebar is cased with handlebar axis cylinder, the handlebar beam barrel hinged one-armed rear fork at lower end, the one-armed rear fork Rear end be fixed on middle beam barrel, the lower end of the handlebar is connected the transverse plate of L-type plate, and the front-wheel is mounted on the vertical of L-type plate To on plate, when handlebar is positive, one-armed rear fork and the articulated shaft of handlebar beam barrel and the front axle coaxial inner conductor of front-wheel；

It is equipped with preceding flywheel on axis, vehicle frame is installed between one-armed rear fork and seat pipe, the vehicle frame is equipped with auxiliary Axis, the asessory shaft are equipped with upper chain wheel and two ratchets, are hinged with pull rod on each ratchet, the front end of the pull rod is hinged On handlebar beam barrel, two pull rods are in V word structure, are linked between the preceding flywheel and upper chain wheel by auxiliary chain.

The preceding wheel diameter is less than rear wheel diameter.

The handlebar is T-type.

The vehicle seat is backrest vehicle seat.

Crank is installed on the ratchet, the crank and pull rod are hinged.

The handlebar beam barrel is equipped with the amplitude of oscillation limited post towards vehicle frame.

The beneficial effects of the utility model are:

In ride, by the handlebar that rocks back and forth, the combination of V-type pull rod is driven constantly to do opening and closing movement, that is to say, that Two ratchets do contrary reciprocating motion, so that two ratchets drive asessory shaft constantly persistently to rotate by turns, thus Central axis is driven by auxiliary chain, preceding flywheel again, plays the role of power-assisted, while also having tempered upper limb, enhances upper limb Strength.

Detailed description of the invention

The utility model will be further described below with reference to the accompanying drawings:

Fig. 1 is the schematic view of the front view of the utility model；

Fig. 2 is the right side structural representation of handlebar portion；

Fig. 3 is the overlooking structure diagram of axis part；

Fig. 4 is the overlooking structure diagram that the V-type of pull rod combines.

In figure, 1 front-wheel, 2 rear-wheels, 3 handlebars, 4 axis, 5 large toothed disks, 6 rear flywheels, 7 chains, beam barrel in 8,9 seat pipes, 10 are adjusted Pole, 11 vehicle seats, 12 handlebar beam barrels, 13L template, 131 transverse plates, 132 longitudinal plates, 14 one-armed rear forks, flywheel before 16,17 vehicles Frame, 18 asessory shafts, 19 upper chain wheels, 20 ratchets, 21 cranks, 22 pull rods, 23 auxiliary chains, 24 front axles, 25 amplitude of oscillation limited posts.

Specific embodiment

Attached drawing is specific embodiment of the utility model.As shown in Figures 1 to 4, the bicycle that this kind can take exercises, it Including front-wheel 1, rear-wheel 2, handlebar 3, axis 4, large toothed disk 5 is fixedly mounted on axis 4, rear-wheel 2 is equipped with rear flywheel 6, large toothed disk 5 It is linked between rear flywheel 6 by chain 7, the axis 4 is located in middle beam barrel 8, in middle 8 upper fixed seat pipe 9 of beam barrel, seat pipe 9 Upper that the vehicle seat 11 for being adjustable height is installed by adjusting rod 10, vehicle seat 11 is backrest vehicle seat 11, wherein

Handlebar 3 is T-type, and handlebar beam barrel 12, place hinged one-armed rear fork of the handlebar beam barrel 12 close to lower end are cased on handlebar 3 14；The lower end of handlebar 3 is fixedly connected with L-type plate 13, and the transverse plate 131 of L-type plate 13 is fixed on the lower end of handlebar 3, and front-wheel 1 is mounted on In the longitudinal plate 132 of L-type plate 13, when handlebar 3 is positive, on the articulated shaft and front-wheel 1 of one-armed rear fork 14 and handlebar beam barrel 12 24 coaxial inner conductor of front axle, the other end of one-armed rear fork 14 is weldingly fixed on middle beam barrel 8；

Flywheel 16 before being fixedly mounted on axis 4 welds an inclined vehicle frame between one-armed rear fork 14 and seat pipe 9 17, that is to say, that rear end is high, and front end is low, and an asessory shaft 18 is installed on vehicle frame 17, the fixed peace in one end on asessory shaft 18 A upper chain wheel 19 is filled, the other end installs two ratchets 20, and a crank 21 is welded on each ratchet 20, and each crank 21 is hinged A piece pull rod 22, the other end of pull rod 22 i.e. front end are hinged on handlebar beam barrel 12, and two divide with pull rod 22 in V word structure Cloth in the continuous reciprocatory movement of two 22 1 Zhang Yihe of pull rod, drives two ratchets 20 to do the reciprocal of opposite direction always Rotation is specifically exactly, if a ratchet 20 is named as A, another ratchet 20 is named as B, in two pull rods 22 Under drive, rotationally clockwise, then B is rotated in an anti-clockwise direction A simultaneously, and and then A is rotated in an anti-clockwise direction, then B is simultaneously It does rotationally clockwise, is linked between preceding flywheel 16 and upper chain wheel 19 by auxiliary chain 23.

In order to facilitate the rotation of front-wheel 1, more steadily more powerful with the point of leverage of handlebar swinging structure, 1 diameter of front-wheel Less than 2 diameter of rear-wheel.

In order to comfortably steadily have an effect with muscle of back, vehicle seat 11 is backrest vehicle seat.

An amplitude of oscillation limited post 25 is welded on handlebar beam barrel 12, amplitude of oscillation limited post 25 is towards 17 side of vehicle frame, when parking, The lower end of amplitude of oscillation limited post 25 leans against on vehicle frame 17, and 25 one side of amplitude of oscillation limited post is played a supporting role, and on the one hand plays limitation Handlebar swings backward the excessive effect of amplitude.

Motion process is as follows: in ride, other than normal pedal moves ahead, two hands can hold handlebar 3 and rock back and forth Handlebar 3, handlebar 3 rotate in limited range around the hinge joint of handlebar beam barrel 12 and one-armed rear fork 14, when cart forward is 3 When, two pull rods 22 being hinged on handlebar beam barrel 12 pull ratchet 20 to rotate respectively, wherein a pull rod 22 drives ratchet 20 Clockwise movement is done, then another pull rod 22 drives ratchet 20 to do counterclockwise movement, and the V word between two pull rods 22 dehisces to become Small, as described in Figure 1, the ratchet 20 for doing clockwise movement drives asessory shaft 18 also to rotate clockwise, to pass through upper chain wheel again 19, auxiliary chain 23 and preceding flywheel 16 drive axis 4 to rotate, thus by large toothed disk 5, chain 7 and rear flywheel 6 drive it is entire from Driving moves ahead, and another ratchet 20 does not do work then, does not work；V word when pulling back handlebar 3, between two pull rods 22 It dehisces to become larger, the ratchet 20 to work that does work just now becomes to rotate counterclockwise, and it does not do work and does not work, and can not do work just now The ratchet 20 of effect becomes to rotate clockwise drives axis 4 to rotate by upper chain wheel 19, auxiliary chain 23 and preceding flywheel 16, thus Entire bicycle is driven to move ahead by large toothed disk 5, chain 7 and rear flywheel 6, repeatedly, two ratchets 20 do work by turns, drive Bicycle moves ahead, and plays booster action, while upper limb also plays the effect of exercise upper limb by pushing and pulling handlebar 3.

In addition to the technical characteristic described in the specification, remaining technical characteristic is technology known to those skilled in the art.

Claims (6)

1. a kind of bicycle that can be taken exercises, including front-wheel (1), rear-wheel (2), handlebar (3), axis (4), axis are set on (4) Have large toothed disk (5), rear-wheel (2) is equipped with rear flywheel (6), is linked between large toothed disk (5) and rear flywheel (6) by chain (7), institute It states axis (4) to be located in middle beam barrel (8), middle beam barrel (8) the upper fixed seat pipe (9), seat pipe (9) is equipped with and is adjustable height Vehicle seat (11), characterized in that

The handlebar (3) is cased with handlebar beam barrel (12), the handlebar beam barrel hinged one-armed rear fork (14) at lower end, it is described solely The rear end of arm rear fork (14) is fixed on middle beam barrel (8), the transverse plate of the lower end connected L-type plate (13) of the handlebar (3) (131), the front-wheel (1) is mounted in the longitudinal plate (132) of L-type plate (13), when handlebar (3) are positive, one-armed rear fork (14) with front axle (24) coaxial inner conductor of the articulated shaft of handlebar beam barrel (12) and front-wheel (1)；

Preceding flywheel (16) are equipped on axis (4), are installed between one-armed rear fork (14) and seat pipe (9) vehicle frame (17), it is described Vehicle frame (17) is equipped with asessory shaft (18), and the asessory shaft (18) is equipped with upper chain wheel (19) and two ratchets (20), each spine It is all hinged with pull rod (22) on wheel (20), the front end of the pull rod (22) is hinged on handlebar beam barrel (12), two pull rods (22) In V word structure, linked between the preceding flywheel (16) and upper chain wheel (19) by auxiliary chain (23).

2. the bicycle according to claim 1 that can be taken exercises, characterized in that front-wheel (1) diameter is less than rear-wheel (2) diameter.

3. the bicycle according to claim 1 that can be taken exercises, characterized in that the handlebar (3) is T-type.

4. the bicycle according to claim 1 that can be taken exercises, characterized in that the vehicle seat (11) is backrest vehicle seat.

5. the bicycle according to claim 1 that can be taken exercises, characterized in that be installed with crank on the ratchet (20) (21), the crank (21) and pull rod (22) are hinged.

6. the bicycle according to claim 1 that can be taken exercises, characterized in that the handlebar beam barrel (12) is equipped with court To the amplitude of oscillation limited post (25) of vehicle frame (17).