CN201280203Y

CN201280203Y - Multifunctional manual tricycle

Info

Publication number: CN201280203Y
Application number: CNU2008202024710U
Authority: CN
Inventors: 梁厚荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-22
Filing date: 2008-10-22
Publication date: 2009-07-29
Anticipated expiration: 2018-10-22

Abstract

The utility model discloses a multifunctional manual tricycle which comprises a frame. A front wheel and two back wheels are mounted on the frame; a front and rear rocker mechanism is arranged on the frame; two groups of front chain wheels are mounted on the rocker arm of the front and rear rocker mechanism through a front transmission shaft; the back wheels are connected with a driven gear; a drive gear is arranged at the front end of the driven gear and is connected with two groups of back flywheels through a drive shaft; chains are arranged between the front chain wheels and the back flywheels and are driven in positive and reverse manners through the two groups of front chain wheels and the back flywheels; a reverse gear is arranged between the drive gear and the driven gear; a gear shifting device is also arranged on the frame; and because a bidirectional transmission structure is arranged on the tricycle, the tricycle can travel forwards or backwards when the rocker arm swings backwards and forwards, has high speed and labor conservation, and adopts the connecting structure of the chain wheels and the chains. The utility model has advantages of simple structure, low cost, reliable use and convenient later maintenance.

Description

A kind of multifunctional manual three-wheel vehicle

Technical field

The utility model relates to a kind of three-wheel vehicle, particularly a kind of multifunctional manual three-wheel vehicle.

Background technology

For the handicapped people of lower limb, generally can only lean on manual tricycle or wheelchair to carry out activity by operating with hand, these present instruments will take very big strength basically just can walk about, perhaps there is the slow and inconvenient problem with use of speed, and the Costco Wholesale height of some product, simultaneously structure design is unreasonable, complex structure, damages easily, safeguards inconvenience, is difficult to satisfy user's demand.

Summary of the invention

At the problems referred to above, the purpose of this utility model is to provide a kind of rational in infrastructure, multifunctional manual three-wheel vehicle that result of use is good.

The technical scheme that the invention for solving the technical problem adopted is:

A kind of multifunctional manual three-wheel vehicle, comprise vehicle frame, front vehicle wheel and two rear wheels are installed on the vehicle frame, vehicle frame is provided with the linkage that rocks back and forth, sprocket wheel before the rocking bar of linkage of rocking back and forth is equipped with two groups by front propeller shaft, rear wheel is connected with driven gear, the front end of driven gear be provided with can move forward and backward and can with the driving gear of driven gear interlock, driving gear is connected with two groups of rear flywheels by axle drive shaft, sprocket wheel before cooresponding, be connected with chain between the rear flywheel respectively, article two, chain is by two groups of preceding sprocket wheels, rear flywheel just is set to, reverse drive, form the integral body of a cover two-way drive, being provided with between driving gear and the driven gear can be forward, the reverse gear that move the back, also be provided with gear switching device on the vehicle frame, one effect end of this gear switching device connects by driving gear, what axle drive shaft and two groups of rear flywheels were formed can be forward, the rotating mechanism that move the back, another effect end connects reverse gear.

The beneficial effects of the utility model are: this three-wheel vehicle in use, the people is sitting on the vehicle frame, can a hand operation steering handle, another hand swing rocking bar, because this three-wheel vehicle is provided with the beidirectional drive mechanism, when the swing rocking bar, give driving gear by the beidirectional drive mechanism with transmission of power, promptly not only swing rocking bar forward and can drive driving gear, when swinging rocking bar backward, also can drive driving gear work, promptly no matter rocking bar is swung forward or backward, driving gear all can obtain power, and owing to also be provided with gear switching device on vehicle frame, when this gear switching device was arranged on forward gear, three-wheel vehicle can be exercised forward, when being arranged on when retreating grade, the swing rocking bar can make the three-wheel vehicle enforcement that falls back, and during neutral, can freely promote, and because swing all can provide sufficient power to driven gear, its running velocity is fast, easy to use, save muscle power.In addition, adopt the connection structure of sprocket wheel and chain, it is simple in structure, with low cost, and uses reliably, is convenient to maintenance in the future.

Description of drawings

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

Fig. 1 is the plan structure scheme drawing of three-wheel vehicle of the present utility model when being in neutral;

Fig. 2 is the Facad structure scheme drawing of three-wheel vehicle of the present utility model when being in neutral;

Fig. 3 is the structure scheme drawing of three-wheel vehicle of the present utility model when being in neutral;

Fig. 4 is the plan structure scheme drawing of three-wheel vehicle of the present utility model when being in forward gear;

Fig. 5 is the Facad structure scheme drawing of three-wheel vehicle of the present utility model when being in forward gear;

Fig. 6 is that three-wheel vehicle of the present utility model is in the plan structure scheme drawing when retreating retaining;

Fig. 7 is that three-wheel vehicle of the present utility model is in the Facad structure scheme drawing when retreating retaining;

Fig. 8 is the another kind of embodiment structural representation one of the utility model speed-changing mechanism;

Fig. 9 is the another kind of embodiment structural representation two of the utility model speed-changing mechanism.

The specific embodiment

With reference to Fig. 1～Fig. 7, a kind of multifunctional manual three-wheel vehicle of the present utility model, comprise vehicle frame 1, front vehicle wheel 2 and rear wheel 3 are installed on the vehicle frame 1, vehicle frame 1 is provided with the linkage that rocks back and forth, sprocket wheel 40 before the rocking bar 4 of linkage of rocking back and forth is equipped with two groups by

front propeller shaft

5,42, described rear wheel 3 be connected with driven gear 7 by rear propeller shaft 6 or on rear wheel 3 direct mount be connected with driven gear 7, the front end of driven gear 7 be provided with can move forward and backward and can with the driving gear 8 of driven gear 7 interlocks, driving gear 8 is connected with two groups of rear flywheels 44 by

axle drive shaft

9,46, sprocket wheel 40 before cooresponding, 42, rear flywheel 44, be connected with chain 50 between 46 respectively, 60, article two,

chain

50,60 by two groups of preceding

sprocket wheels

40,42,

rear flywheel

44,46 just are set to, reverse drive, being provided with between driving gear 8 and the driven gear 7 can be forward, the reverse gear 10 that move the back, also be provided with gear switching device on the vehicle frame 1, one effect end of this gear switching device connects by driving gear, axle drive shaft and two groups of rotating mechanisms that can move forwards, backwards that rear flywheel is formed, another effect end connects reverse gear 10.

Wherein, described move forward and backward and can and the driving gear 8 of driven gear 7 interlocks can be mounted between two hole grooves 33 of vehicle frame, can under the effect of other parts, can move forward and backward along the hole groove.

Wherein, as preferred implementation, described gear switching device comprises gear-shift lever 11, D Drive active line 12, retreat grade active line 13, neutral gear stop place 14, D Drive stop place 15 and retreat grade stop place 16, what the bottom of gear-shift lever 11 can be swung is connected on the vehicle frame 1, one end of D Drive active line 12 connects gear-shift lever 11, the other end rotates the back connection by driving gear 8 by pulley, axle drive shaft 16 and two groups of rear flywheels 44, on the promotion pin 48 of 46 rotating mechanisms of forming, its pulling direction is pointed to a side of driven gear 7, rotating mechanism be provided with connect to promote pin 48 before draw retracing spring 19, before draw the other end of retracing spring 19 to be connected on the vehicle frame 1, an end that retreats grade active line 13 connects gear-shift lever 11, the other end spurs forward by pulley and connects reverse gear 10, has on the reverse gear 10 and vehicle frame 1 bonded assembly post-tensioning retracing spring 20.

With reference to Fig. 1, Fig. 2 and Fig. 3, when gear-shift lever 11 was in neutral gear stop place 14, driving gear 8 broke away from driven gear 7 and reverse gear; With reference to Fig. 4 and Fig. 5, when gear-shift lever 11 is in D Drive stop place 15, driving gear 8 and driven gear 7 interlocks; Be in when retreating grade stop place 16 with reference to Fig. 6 and Fig. 7 gear-shift lever 11, driving gear 8 is connected with driven gear 7 by reverse gear 10.

Further be provided with speed-changing mechanism between the rocking bar 4 of the described linkage that rocks back and forth and the front propeller shaft 5, realize fast and function at a slow speed.Wherein, as preferred implementation, described speed-changing mechanism comprises miniature gears 21 and big gear wheel 22, miniature gears 21 is connected with front propeller shaft 5, rocking bar junction 23 is arranged on the miniature gears 21, big gear wheel 22 is arranged on the side of miniature gears 21, and with miniature gears 21 interlocks, be provided with rocking bar junction 24 on the big gear wheel 22 equally.Above-mentioned setting, make rocking bar 4 can between last lower shaft, exchange connection, when rocking bar 4 connects miniature gears 21, when walking operation at a slow speed, when rocking bar 4 connects big gear wheel 22, be fast during the operation walking, fast purpose at a slow speed be set be that no matter three-wheel vehicle is to walk on smooth, uneven or road surface, slope, can both keep easily travelling normally.

Certainly, this speed-changing mechanism also can adopt by instigateeing governor lever 70 each mechanism is carried out the mode that speed change is adjusted as Fig. 8, shown in Figure 9, promptly can connect by place's rocking bar 4, need not to disconnect rocking bar.

Certainly, the utility model is except above-mentioned embodiment, and other equivalent technical solutions also should be within its protection domain.

Claims

1, a kind of multifunctional manual three-wheel vehicle, comprise vehicle frame (1), front vehicle wheel (2) and two rear wheels (3) are installed on the vehicle frame (1), it is characterized in that: vehicle frame (1) is provided with the linkage that rocks back and forth, the rocking bar (4) of linkage of rocking back and forth is equipped with sprocket wheels (40) before two groups by front propeller shaft (5), (42), rear wheel (3) is connected with driven gear (7), the front end of driven gear (7) be provided with can move forward and backward and can with the driving gear (8) of driven gear (7) interlock, driving gear (8) is connected with two groups of rear flywheels (44) by axle drive shaft (9), (46), sprocket wheel (40) before cooresponding, (42), rear flywheel (44), (46) be connected with chain (50) between respectively, (60), article two, chain (50), (60) by two groups of preceding sprocket wheels (40), (42), rear flywheel (44), (46) just be set to, reverse drive, form the integral body of a cover two-way drive, being provided with between driving gear (8) and the driven gear (7) can be forward, the reverse gear (10) that move the back, vehicle frame also is provided with gear switching device on (1), one effect end of this gear switching device connects by driving gear, what axle drive shaft and two groups of rear flywheels were formed can be forward, the rotating mechanism that move the back, another effect end connects reverse gear (10).

2, a kind of multifunctional manual three-wheel vehicle according to claim 1 is characterized in that: described rear wheel (3) is connected with driven gear (7) or goes up direct mount at rear wheel (3) by rear propeller shaft (6) and is connected with driven gear (7).

3, a kind of multifunctional manual three-wheel vehicle according to claim 1 is characterized in that: described move forward and backward and can and the driving gear (8) of driven gear (7) interlock be mounted between two hole grooves (33) of vehicle frame (1).

4, a kind of multifunctional manual three-wheel vehicle according to claim 1, it is characterized in that: described gear switching device comprises gear-shift lever (11), D Drive active line (12), retreat a grade active line (13), neutral gear stop place (14), D Drive stop place (15) and retreat grade stop place (16), what the bottom of gear-shift lever (11) can be swung is connected on the vehicle frame (1), one end of D Drive active line (12) connects gear-shift lever (11), the other end rotates the back connection by driving gear (8), axle drive shaft (9) and two groups of rear flywheels (44,46) on the promotion pin (30) of the rotating mechanism of Zu Chenging, its pulling direction is pointed to a side of driven gear (7), before being provided with, draws by rotating mechanism retracing spring (19), an end that retreats a grade active line (13) connects gear-shift lever (11), the other end spurs forward and connects reverse gear (10), post-tensioning retracing spring (20) is arranged on the reverse gear (10), when gear-shift lever (11) was in neutral gear stop place (14), driving gear (8) broke away from driven gear (7) and reverse gear; When gear-shift lever (11) is in D Drive stop place (15), driving gear (8) and driven gear (7) interlock; Gear-shift lever (11) is in when retreating grade stop place (16), and driving gear (8) is connected with driven gear (7) by reverse gear (10).

5, a kind of multifunctional manual three-wheel vehicle according to claim 1 is characterized in that: be provided with speed-changing mechanism between rocking bar of the described linkage that rocks back and forth (4) and the front propeller shaft (5).

6, a kind of multifunctional manual three-wheel vehicle according to claim 5, it is characterized in that: described speed-changing mechanism comprises miniature gears (21) and big gear wheel (22), miniature gears (21) is connected with front propeller shaft (5), rocking bar junction (23) is arranged on the miniature gears (21), big gear wheel (22) is arranged on the side of miniature gears (21), and with miniature gears (21) interlock, big gear wheel (22) is provided with rocking bar junction (24).