CN206218092U - A kind of double common cycling - Google Patents

Abstract

A kind of double common cycling, front-wheel is follower, and left rear wheel and off hind wheel are driving wheel, and left rear wheel and off hind wheel are packed in the two ends of hind axle respectively, and hind axle is the segmentation axle connected by differential mechanism；Vehicle frame is provided with two rack pinion components being parallel to each other, each rack pinion component includes a pair of parallel relative spacing tooth bar for configuring and being fixed as one and the partial gear being configured between two toothed racks, partial gear can be engaged and driven with a holding in two toothed racks, and another is mutually disengaged；Piece axis of landscape configuration between two rack pinion components, two partial gears are packed in the two ends of axis respectively, and the first tooth tooth form of two partial gears mutually staggers 180 °；Axis is connected by drive mechanism with the input shaft of differential mechanism；Bicyclist's broad view in ride, communication when being easy to ride, and rollover is not susceptible in steering and not good road conditions, increased enjoyment of riding.

Description

A kind of double common cycling

Technical field

The utility model is related to bicycle art, more particularly to a kind of double rides a bicycle structure altogether.

Background technology

The wider double common cycling of application at present is divided into two kinds：

It is a kind of be on ordinary bicycle by two vehicle frames be linear link one in front and one in back；This kind of double carriage is two rolling hitches Structure, the strong point is two tire, if the two people mutual cooperation of riding is not tacit, car is loitered, and upper Car and stage inconvenience of getting off, make rider consume compared with many-body force, and then rider is lost riding enjoyment；Furthermore, due to seat Chair is front and rear design, and front and rear dialogue is not very convenient in ride, and can't see the expression of other side.

One kind is to connect two bicycles side by side by fixing axle, to form a riding by two-person that can be driven mutually Bicycle, this bicycle is four wheel constructions, and this kind of tandem bicycle turns to underaction, easily turned on one's side during zig zag.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of double common cycling, and the double carriage is double simultaneously Row's carriage, beneficial to the communication exchange of bicyclist, steering behaviour is good, and two bicyclists alternately firmly order about vehicle advance, Save muscle power.

The utility model is achieved through the following technical solutions：

A kind of double common cycling, it is characterised in that：

The front-wheel of the double common cycling is follower, and the front portion of vehicle frame, left rear wheel are movably installed on by fork It is driving wheel with off hind wheel, is respectively arranged at the rear portion arranged on left and right sides of vehicle frame, left rear wheel and off hind wheel is packed in hind axle respectively Two ends, hind axle is two-part axle, middle to be connected by differential mechanism；

Fixed two vehicle seats side by side on vehicle frame, two vehicle seats of correspondence, are provided with two rack pinion groups being parallel to each other Part, tooth bar and be configured at two that each rack pinion component is configured and be fixed as one including a pair of parallel relative spacing Partial gear between tooth bar, partial gear can be engaged and driven, Ling Yigen with a holding in two toothed racks It is mutually disengaged；

Piece axis of landscape configuration between two rack pinion components, two partial gears are packed in axis respectively Two ends, and the first tooth tooth form of two partial gears mutually staggers 180 °；Axis is movably mounted on vehicle frame, can be around certainly Body axis is rotated, and axis is connected by drive mechanism with the input shaft of differential mechanism；

Under external force drives, two tooth bars of rack pinion component can on vehicle frame along tooth bar length direction in The axially symmetric reverse translation of axle, drives two partial gear rotating Vortexes, and in rotary course, the toothed surface of partial gear begins Final position is in the toothed surface inner side of two toothed racks.

The double vehicle of cycling altogether uses tricycle structure, and double transverse direction is ridden.Front-wheel is directive wheel, and two trailing wheels are drive Driving wheel.Two bicyclists can individually or commonly through fork upper end handle-bar the direction of control bicycle.Meanwhile, Traditional circumference is replaced to trample motion with the unidirectional stepping movement of the alternating rectilinear of two people：First, a rack pinion component Tooth bar order about lower active linear translation in a bicyclist, until reach stroke amphi position, at the same time, another bicyclist is not Firmly, the passive reverse linear translation of the tooth bar of corresponding another rack pinion component, until reaching stroke peri position；Connect , the tooth bar positioned at stroke peri position orders about lower beginning active linear translation in another bicyclist, until tooth bar arrival stroke is remote Position, meanwhile, the passive reverse linear translation of the original tooth bar positioned at stroke amphi position, until reaching stroke peri position, such two bicyclist Alternating is exerted oneself, and two pairs of tooth bars are on the axially symmetric reverse alternating translational of axis.

Because the first tooth tooth form of two partial gears mutually staggers 180 °, therefore two pairs of tooth bars are in reverse alternating translational mistake Cheng Zhong, that two toothed rack in two pairs of parallel racks positioned at different sides keeps engaging respectively with respective partial gear, so that Make the direction of rotation of two partial gears always consistent, to drive the axial-rotation of axis, and then by differential mechanism band Move left and right two trailing wheels rotation, when flat road surface keep straight on, two trailing wheels are rotated at the same speed, Uneven road it is smooth or turning when, Two trailing wheel differentials rotate to avoid rollover.

Further, the formula of lying is obliquely installed after the tooth bar, and its rear end is higher than front end, is easy to be sitting in the bicyclist on vehicle seat Lower section scrunches diagonally forward, more laborsaving.

Further, the tooth bar angle of inclination is 30 °~60 °, more comfortable when scrunching.

Further, the drive mechanism be chain sprocket drive mechanism, fixed drive sprocket on axis, by chain with Input flywheel on differential mechanism is connected.Sprocket wheel transfers a torque to input flywheel by chain, and sprocket wheel is rotated and drives input flywheel Rotate, so that differential mechanism works, and then drive vehicle to move ahead.

Further, the drive mechanism is gear transmission structure, fixed travelling gear and power transmission shaft one end on axis Bevel gear engages, and the bevel gear of the power transmission shaft other end engages with the input gear of differential mechanism.

Further, it is axially arranged with parallel to axis foot-operated on the rack pinion component, is easy to bicyclist to exert a force.

The beneficial effects of the utility model are：

1st, bicyclist's broad view, communication when being easy to ride, and be not susceptible in steering and not good road conditions Rollover；

2nd, in ride, two people coordinate alternating rectilinear to scrunch makes bicycle move forward, and cultivates the tacit degree of both sides, The enjoyment and feeling of freshness when riding more are considerably increased, and muscle power can be saved.

Brief description of the drawings

Fig. 1 is a kind of sectional perspective structural representation of preferred scheme of the present apparatus

Fig. 2 is two operating position schematic diagrames of rack pinion component in Fig. 1

Fig. 3 is a kind of preferred drive mechanism schematic diagram of axis and differential mechanism

Fig. 4 is the assembling structure schematic diagram of the differential mechanism in Fig. 3 and hind axle

In Fig. 1~4：1 is front-wheel, and 2 is vehicle frame, and 3 is left rear wheel, and 4 is off hind wheel, and 5 is hind axle, and 6 is differential mechanism, 601 It is input flywheel, 7 is vehicle seat, and 8 is tooth bar, and 801 is upper left tooth bar, and 802 is bottom right tooth bar, and 803 is lower-left tooth bar, and 804 is the right side Upper rack, 9 is partial gear, and 10 is axis, and 101 is drive sprocket, 11 be it is foot-operated, 12 leading.

Specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

The front-wheel 1 of double common cycling is follower, and the front portion of vehicle frame 2, two bicyclists are movably installed on by fork Can individually or commonly through fork upper end enlarged handle-bar the direction of control bicycle.

Left rear wheel 3 and off hind wheel 4 are driving wheel, the rear portion arranged on left and right sides of vehicle frame 2 are respectively arranged at, after left rear wheel 3 and the right side Wheel 4 is packed in the two ends of hind axle 5 respectively, and hind axle 5 is two-part axle, and centre is connected by differential mechanism 6.

Fixed two vehicle seats 7 side by side on vehicle frame 2, two vehicle seats 7 of correspondence, are provided with two rack pinions being parallel to each other Component, tooth bar 8 and be configured at that each rack pinion component is configured and be fixed as one including a pair of parallel relative spacing Partial gear 9 between two toothed racks 8：The formula of lying is obliquely installed after tooth bar 8, and its rear end is higher than front end；Partial gear 9 can Engage and driven with a holding in two toothed racks 8, another is mutually disengaged.

Piece axis 10 of landscape configuration between two rack pinion components, two partial gears 9 are packed in respectively The two ends of axis, and the first tooth tooth form of two partial gears 9 mutually staggers 180 °；Axis 10 is movably mounted on vehicle frame 2, Can on own axis, axis fixed drive sprocket 101, by the phase of input flywheel 601 on chain and differential mechanism 6 Even, realize left rear wheel 3 and off hind wheel 4 can differential rotate.

It is axially arranged with foot-operated 11 parallel to axis 10 on two rack pinion components；Under pedalling action power, two The tooth bar 8 of rack pinion component can be axially symmetric reversely on axis 10 along the length direction of tooth bar 8 on vehicle frame 2 all the time Translation, drives two rotating Vortexes of partial gear 9, and in rotary course, the toothed surface of partial gear 9 is always positioned at two rooted teeth The toothed surface inner side of bar 8.

Orientation as depicted, when bottom right tooth bar 802 reaches stroke amphi position, upper left tooth bar 801 reaches stroke peri position, and And engage with respective partial gear 9 respectively；Then, upper left tooth bar 801 is main carry-over bar, towards row under pedalling action power The oblique lower right corner translations of Cheng Yuanwei, and drive partial gear 9 to be rotated clockwise, meanwhile, bottom right tooth bar 802 is incomplete It is lower passive towards the oblique upper left corner translation of stroke peri position that gear 9 drives, and is passive tooth bar；Then, two partial gears 9 are suitable Hour hands rotate an angle after, upper left tooth bar 801 reach stroke amphi position, bottom right tooth bar 802 reach stroke peri position, depart from it is not complete The engagement of all gear 9, two partial gears 9 start to be engaged with lower-left tooth bar 803, upper right tooth bar 804 respectively, now upper right tooth Bar 804 is main carry-over bar, towards the oblique lower right corner translation of stroke amphi position under pedalling action power, and continues to drive partial gear 9 are rotated clockwise, meanwhile, lower-left tooth bar 803 is passive towards the oblique upper left corner of stroke peri position under the drive of partial gear 9 Translation, is passive tooth bar；Then, after an angle is rotated clockwise, upper right tooth bar 804 reaches row to two partial gears 9 Cheng Yuanwei, lower-left tooth bar 803 reaches stroke peri position, and so on circulates, and realizes that the clockwise complete cycle of axis 10 is turned round, and enters And pass through the rotation that differential mechanism 6 drives left rear wheel 3 and off hind wheel 4, when flat road surface is kept straight on, two trailing wheels are rotated at the same speed, on road When face is uneven or turns, two trailing wheel differentials rotate to avoid rollover.

The double vehicle of cycling altogether uses tricycle structure, and double transverse direction is ridden.Front-wheel 1 is directive wheel, and two trailing wheels are Driving wheel.Two bicyclists can be individually or commonly through the leading direction 12 control bicycles of fork upper end.Meanwhile, with The unidirectional stepping movement of the alternating rectilinear of two people replaces traditional circumference to trample motion, considerably increases enjoyment when riding and fresh Sense.

Claims (6)

1. a kind of double common cycling, it is characterised in that：

The front-wheel (1) of the double common cycling is follower, and the front portion of vehicle frame (2) is movably installed on by fork, left back Wheel (3) and off hind wheel (4) are driving wheel, are respectively arranged at the rear portion arranged on left and right sides of vehicle frame (2), left rear wheel (3) and off hind wheel (4) two ends of hind axle (5) are packed in respectively, and hind axle (5) is two-part axle, it is middle to be connected by differential mechanism (6)；

Fixed two vehicle seats (7) side by side on vehicle frame (2), two vehicle seats (7) of correspondence are provided with two rack-and-pinion being parallel to each other and pass Dynamic component, tooth bar (8) and match somebody with somebody that each rack pinion component is configured and be fixed as one including a pair of parallel relative spacing The partial gear (9) being placed between two toothed racks (8), partial gear (9) can keep with two toothed racks (8) Engage and driven, another is mutually disengaged；

Piece axis (10) of landscape configuration between two rack pinion components, two partial gears (9) are packed in respectively The two ends of axis, and the first tooth tooth form of two partial gears (9) mutually staggers 180 °；Axis (10) is movably mounted on vehicle frame (2) on, can be connected with the input shaft of differential mechanism by drive mechanism around own axis, axis (10)；

Under external force drives, two tooth bars of rack pinion component (8) can be on vehicle frame (2) along tooth bar (8) length direction On the axially symmetric reverse translation of axis (10), two partial gear (9) rotating Vortexes are driven, in rotary course, not exclusively The toothed surface of gear (9) is always positioned at the toothed surface inner side of two toothed racks (8).

2. double common cycling according to claim 1, it is characterised in that：The formula of lying is obliquely installed after the tooth bar (8), Its rear end is higher than front end.

3. double common cycling according to claim 2, it is characterised in that：Tooth bar (8) angle of inclination be 30 °~ 60°。

4. double common cycling according to claim 1, it is characterised in that：The drive mechanism is driven for chain sprocket Structure, fixed drive sprocket (101) on axis (10), is connected by chain with the input flywheel (601) on differential mechanism (6).

5. double common cycling according to claim 1, it is characterised in that：The drive mechanism is gear drive knot Structure, fixed travelling gear is engaged with the bevel gear of power transmission shaft one end on axis, bevel gear and the differential mechanism (6) of the power transmission shaft other end Input gear engagement.

6. double common cycling according to claim 1, it is characterised in that：It is parallel on the rack pinion component It is axially arranged with foot-operated (11) in axis (10).