CN2268000Y

CN2268000Y - Boosted manual vehicle

Info

Publication number: CN2268000Y
Application number: CN 96238940
Authority: CN
Inventors: 王宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-10-28
Filing date: 1996-10-28
Publication date: 1997-11-19
Anticipated expiration: 2006-10-28

Abstract

The utility model relates to a power-assisted bicycle, which can covert the acting force of a human body on a bicycle seat into the motive power of a bicycle body for going forward. The utility model is characterized in that a power-assisted part is additionally arranged on the basis of the structure of the original bicycle body, and the power-assisted part is composed of a bicycle seat motive power device and an auxiliary transmission, wherein, the bicycle seat motive power device is composed of a slide rod, a slide rod slideway, and a restoring spring which is sheathed on the slide rod; the slide rod slideway is fixed on a bicycle frame body; the auxiliary transmission comprises a gear shaft which is meshed with the slide rod for transmission, a forward flywheel and a backward flywheel which are arranged on a gear, and a transmission system which comprises a forward flywheel and a backward flywheel and acts on the transmission mechanism of the bicycle. The utility model has the advantages of labour saving in riding, and various riding modes.

Description

Force aid rickshaw

The utility model relates to the rickshaw that dependence manpowers such as comprising bicycle, three-wheel vehicle advances, what especially relate to is to utilize the application force of bicyclist on vehicle seat as the move ahead rickshaw of auxiliary power of car body.

With the bicycle is typical case, existing common or variable speed bicycle be substantially by the cyclist with the moving pedal of pedal, realize moving ahead of bicycle through transmission mechanism of bicycle.Man of partially self depot feels more comfortable in order to eliminate the cyclist that jolts, makes of bicycle in advancing, the technical conceive of its solution generally is that various shock arrester (-tor)s are set on the suspension gear of vehicle seat or bicycle, the vibration that produces is digested, is absorbed in bicycle inside, reach the purpose of vibration damping, but these vibrations are not fully utilized.Also have existing bicycle structure only can realize that operation form is single, so need present bicycle structure be further improved with the pedal power mode bicycle of riding.

Goal of the invention of the present utility model is to provide a kind of force aid rickshaw that the cyclist can be converted into the car body onward impulse to the application force of vehicle seat.

Finish the force aid rickshaw of the present utility model purpose, be on component part bases such as original rickshaw support body, wheel, transmission device, to install power-assisted additional partly to form, its major technique characteristics are that power-assisted partly comprises vehicle seat engine installation and accessory drive gear, wherein the vehicle seat engine installation is arranged on the saddle for man-powered vehicle Support Position, it is made up of slide bar, slide bar slideway and the retracing spring that is sleeved on the slide bar, and the slide bar slideway is fixed on the support body; Accessory drive gear comprise with the vehicle seat engine installation in the slide bar engaged transmission the tooth axle, be installed in forward flywheel on the tooth axle, reverse flywheel and comprise that this positive and negative flywheel action constitutes in the transmission system of transmission device, forward, oppositely flywheel is provided with mutual oppositely directed single steering hardware.

In technique scheme, can horizontally rotate and not influence the running of vehicle seat engine installation for making vehicle seat, vehicle seat connects with the vehicle seat engine installation through antifriction-bearing box; Or adopt annular tooth and tooth axle engaged transmission on the slide bar.

In technique scheme, the embodiment of transmission system is: by reverse flywheel and main chain bar external toothing transmission, the forward flywheel is connected the transmission formation through paying chain with the rickshaw rear flywheel; Another embodiment of this transmission system is an engaged transmission in forward flywheel and the main chain bar, oppositely flywheel and rickshaw bidentate row chain wheel engagement, transmission positive power.

The major advantage of the utility model force aid rickshaw is that the application force that the cyclist can be acted on the vehicle seat is converted into the power that car body advances, thereby realized power-assisted, the labour-saving purpose, promptly especially bicycle is comprised four kinds of groundwork types: adopting this power-assisted design-calculated bicycle one is to utilize bicycle jolting in advancing, the up-down vibration of human body on vehicle seat is converted into the onward impulse of bicycle, the 2nd, the cyclist can initiatively press vehicle seat up and down and give the bicycle auxiliary power, share the load of shank, the 3rd, can utilize the cyclist ride in the strength distribution of shank and buttocks, buttocks is strengthened the difference of pressure that weakens to vehicle seat be converted into the power that bicycle advances, can play the effect of sharing shank burden equally, the 4th, this morpet structure helps cyclist the get on the bus starting and the acceleration of process.

Describe concrete technology contents of the present utility model in detail below in conjunction with embodiment and accompanying drawing thereof:

Fig. 1, Fig. 4 are respectively the speed change of employing embodiment one structure and the main TV structure figure of common morpet

Fig. 2 is II among Fig. 1---the semi-sictional view constructional drawing of single steering hardware

Fig. 3 is the sectional structure scheme drawing of the figure A-A of Fig. 1

Fig. 5 is the structural front view of the utility model second embodiment

Fig. 6 is the structure back view of the utility model second embodiment.

The utility model is to be that typical case is illustrated with the bicycle, and its content is equally applicable to manpower vehicles such as three-wheel vehicle certainly.Adopt this power-assisted design-calculated bicycle improvement and design on former bicycle structure basis to form, it comprises and partly comprises what wheel 1, support body 2, transmission device 3 and power-assisted were partly formed, power-assisted the vehicle seat engine installation installing and support as bicycle saddle and be made up of this engine installation accessory drive gear that drive and that act on transmission mechanism of bicycle.The vehicle seat engine installation mainly comprises slide bar tooth bar 44, rack slide and the retracing spring 45 that is socketed on the slide bar tooth bar 44 constitutes, and slide bar tooth bar 44 upper ends and vehicle seat axle 49 plug-in mountings are locked by locator card 43 after adjusting suitable height; Rack slide comprises slide bar conduit 48 and slide bar conduit 48 lower ends, is fixed on the spacing guide wheel 21 of erecting frame 22, slide bar conduit 48 is weldingly fixed on the support body 2, retracing spring 45 is sleeved on the slide bar tooth bar 44 in the conduit 48, slide bar tooth bar 44 can be upper and lower mobile under the effect of retracing spring 45 in slide bar conduit 48, and the slide bar section on slide bar conduit 48 tops is provided with dust protecting cap 46.In this enforcement structure, because of rotating vehicle seat 4 slide bar tooth bar 44 is turned round damage when avoiding the cyclist by bike, a kind of settling mode is that vehicle seat 4 passes through antifriction-bearing box 41 connections with vehicle seat axle 49, arbitrarily rotate in the horizontal direction for fear of vehicle seat 4 again simultaneously, also be provided with one between vehicle seat 4 and the vehicle seat axle 49 and hold up spring 42; Settling mode is that the tooth axle engagement in annular tooth structure and the accessory drive gear is adopted in the slide bar lower end in addition.Below the said slide bar tooth bar of narration also comprises the slide bar that has annular tooth.Accessory drive gear is by slide bar 44 drives, coaxial mounted forward flywheel 51, reverse flywheel 52 and comprise that two flywheel actions constitute in the transmission system of transmission device, and Fig. 1 and Fig. 5, Fig. 6 have provided accessory drive gear respectively and implemented structure for two kinds.Embodiment one, forward flywheel 51 is installed on the same tooth axle 56 with reverse flywheel 52, be engaged in the forward flywheel 51 on the main chain bar 38, the transmission positive power, chain wheel 30 is bidentate row chain wheel, chain wheel 30 also utilizes another and toothrow to mesh with reverse flywheel 52 except that a utilization toothrow and main chain bar 38 interior engaged transmission wherein on the chain wheel 30, give bicycle power forward by reverse flywheel 52 drive chain wheels 30 and main chain bar 38.Forward flywheel 51 and reverse flywheel 52 are that the mutual oppositely directed unidirectional steering hardware of green phase is installed on the tooth axle 56, be the forward flywheel, oppositely to fly structure behind flywheel and the existing ordinary bicycle identical, also constitute by flywheel attic base 60, very heavy 61, very heavy spring 62 etc., structure as shown in Figure 2, because this part has been existing mature technology, therefore few the argumentation.

Above-mentioned enforcement structure is such execution process: when the people that rides gets on the bus, give vehicle seat 4 and slide bar tooth bar 44 downward application force, this hour rack 44 moves down, retracing spring 45 is compressed, tooth axle 56 clockwise rotates under the engagement of tooth bar 44, oppositely flywheel 52 idle running on tooth axle 56 under its single steering hardware effect, and forward flywheel 51 is clockwise rotated with tooth axle 56 simultaneously by its single steering hardware drive, drives main chain bar 38 transmission positive power.Jolt or ride when riding the people for loosening shank initiatively upper and lower press vehicle seat or the process of riding in because buttocks distributes with leg power by buttocks the vehicle seat generation certain press up and down the time, its mode of operation that presses downwards is consistent with working process recited above, repeats no more.When compressed retracing spring 45 effect slide bar tooth bars 44 make progress resilience, rotate with tooth bar 44 ingear tooth axles 56 inhours, forward flywheel 51 idle running on tooth axle 56 under its single steering hardware effect this moment, and oppositely flywheel 52 rotates with tooth axle 56 is counter-clockwise simultaneously under the drive of the single steering hardware of itself, drive and its ingear chain wheel 30 clickwises the output onward impulse.

Another of accessory drive gear of the present utility model implemented structure and seen Fig. 5, shown in Figure 6, forward flywheel 51 and oppositely flywheel 52 green phases reciprocal to the single steering hardware that is provided be installed in slide bar tooth bar 44 ingear tooth axles 56 on, forward flywheel 51 is through paying chain 58 flywheel 54 chain gears coaxial with bicycle rear flywheel opposite side, when slide bar tooth bar 44 moves down, oppositely flywheel 52 idle running, forward flywheel 51 is clickwise under the drive of tooth axle 56, moves ahead through paying chain 58 driving trailing wheels; Oppositely flywheel 52 and the 38 external toothing transmissions of main chain bar, when slide bar tooth bar 44 makes progress resilience under the effect of retracing spring 45,51 idle running of forward flywheel, oppositely flywheel 52 rotates counterclockwise with tooth axle 56, drives and its ingear main chain bar 38 and chain wheel 30 propulsive effort forward.

In the above-described embodiments, move ahead, together do not rotate, be provided with single steering hardware as shown in Figure 2 at the axis place of chain wheel 30 with the effect of power-assisted part for making stretcher owing to the rotation of power-assisted part drive transmission device drives car body.

Claims

1. force aid rickshaw, partly wait part to form by common wheel (1), support body (2), transmission device (3) and power-assisted, it is characterized in that power-assisted wherein partly comprises vehicle seat engine installation and accessory drive gear, the vehicle seat engine installation is arranged on the Support Position of saddle for man-powered vehicle (4), be made up of slide bar (44), slide bar slideway and the retracing spring (45) that is sleeved on the slide bar (44), the slide bar slideway is fixed on the support body (2); Accessory drive gear comprises with the tooth axle (56) of slide bar (44) engaged transmission, is installed in forward flywheel (51) on the tooth axle (56), reverse flywheel (52) and comprise that the transmission system that positive and negative flywheel (51.52) acts on transmission device (3) forms, and forward flywheel (51), oppositely the reciprocal single steering hardware to setting of flywheel (52) green phase is installed on the tooth axle (56).

2. force aid rickshaw according to claim 1 is characterized in that the slide bar slideway is made up of the spacing guide wheel (21) that slide bar conduit (48) and slide bar conduit lower end are fixed on support body (22).

3. force aid rickshaw according to claim 1 is characterized in that described transmission system is by reverse flywheel (52) and main chain bar (38) external toothing transmission, and forward flywheel (51) constitutes with bicycle rear flywheel (54) chain gear jointly through paying chain (58).

4. force aid rickshaw according to claim 1, it is characterized in that the chain wheel (30) in the transmission device (3) is bidentate row chain wheel, a toothrow wherein and main chain bar (38) engagement, described transmission system is by forward flywheel (51) and the interior engaged transmission of main chain bar (38), and oppositely flywheel (52) constitutes jointly with another tooth row engaged transmission of chain wheel (30).

5. according to claim 1,2,3 or 4 described force aid rickshaws, it is characterized in that slide bar (44) is a tooth bar, vehicle seat (4) is installed on the vehicle seat engine installation by antifriction-bearing box (41).

6. force aid rickshaw according to claim 5 is characterized in that hanging with between vehicle seat (4) and the vehicle seat axle (49) and holds up spring (42).

7. according to claim 1,2,3 or 4 described force aid rickshaws, it is characterized in that slide bar (44) lower end has annular tooth.

8. force aid rickshaw according to claim 1 is characterized in that chain wheel axis place is provided with a single steering hardware.