CN207902683U - A kind of small amplitude of oscillation handle power-assisted stabilization wheel shaft bicycle of seat - Google Patents

Abstract

The utility model is related to bicycle arts, a kind of small amplitude of oscillation handle power-assisted stabilization wheel shaft bicycle of seat, including bogie car handle, forward wheel components, front-wheel fork, rear wheel part, trailing wheel crotch, frame part, central shaft chain wheel, hand swing rod fork, push-and-pull connecting rod, driving chain, left and right pedal component, angle height seat and drawing connecting rod is hung, the frame part includes preceding lower inclined beam, upper cross break beam and the pylon that retreads；As improvement：Positioning guide rail and guide wheel assembly are added in power-assisted swing rod lower end, dynamic fulcrum is added and realizes that 2 points of supports improve any with 2 points of supports and support；Auxiliary lever is added, the amplitude of seat rotation is reduced；Adjustable-angle and height seat are used also consummate in craftsmanshiply；It realizes and easily adjusts seat bottom plate gradient together with seat back angle, moreover it is possible to be adjusted in synchronism seat bottom plate heights, it is ensured that operating attitude is more comfortable；The rotation angle and heave amplitude of angle height seat can be reduced at double by adding auxiliary lever, allowed and ridden more comfortably.

Description

A kind of small amplitude of oscillation handle power-assisted stabilization wheel shaft bicycle of seat

Technical field

The utility model is related to bicycle art, International Classification of Patents B62M, especially a kind of small amplitudes of oscillation of seat Handle power-assisted stablizes wheel shaft bicycle.

Background technology

Currently, people when riding all kinds of bicycles, can only be reinforced with both legs, when riding at a high speed or go up a slope over long distances over long distances When riding, need to apply larger power for a long time, both legs are usually in fatigue state.Both arms, chest, waist, abdomen at this time It is substantially at leisure state, feels more light.Standard bicycle limits the performance of the overall strength of people, is not achieved and rides voluntarily Che Shi, all-around exercises, efficiently quick effect.Open utility model patent " the parallelogram steering mechanism both hands in one, China Power-assisted evanohm bicycle ", application No. is 2017102262182, can be successfully by arm power although having accomplished epoch-making innovation Amount auxiliary both legs, but there are the following problems for this application：It is that the entirety constituted with power-assisted swing rod is only had one by its bogie car first Point support causes left and right unstable；The amplitude of followed by seat rotation is too big；Maximum unreasonable place is height of seat and angle All be unable to adjust.Since the Seat support point height of the utility model fixes, Seat support point height cannot as it is common from Driving is freely adjusted like that, and therefore, which is only capable of accomplishing that front and back adjustment is inadequate, it is necessary to have height It is adjusted with angle, can just accomplish that the most comfortable is ridden.

The technical assignment of invention content the utility model is to be directed to " parallelogram steering mechanism both hands power-assisted evanohm Bicycle ", application No. is 2017102262182, deficiency, be to add positioning guide rail and guide wheel in power-assisted swing rod lower end first Component adds dynamic fulcrum and realizes that 2 points of supports improve any with 2 points of supports and support；Auxiliary lever is followed by added, seat is reduced The amplitude of chair rotation；Adjustable-angle and height seat are used also consummate in craftsmanshiply.Concrete scheme is as follows：

A kind of small amplitude of oscillation handle power-assisted of seat stablizes wheel shaft bicycle, including bogie car handle, forward wheel components, front-wheel fork, Rear wheel part, trailing wheel crotch, frame part, central shaft chain wheel, hand swing rod fork, push-and-pull connecting rod, driving chain, left and right pedal component, Angle height seat and drawing connecting rod is hung, the frame part includes preceding lower inclined beam, upper cross break beam and the pylon that retreads；

Bearing slot is offered on upper cross break beam, bearing slot both sides are symmetrically arranged with swing rod bearing, have on swing rod bearing Balance staff pin both ends are set about in holder through-hole, the symmetrically arranged holder through-hole fixation in both sides, and the rotatable fixation in hand balance staff pin stage casing is set about The intermediate swing rod supported hole of swing rod fork；

Pylon upper end of retreading is welded and fixed upright square tube, and there is rocker supported hole in upright square tube upper end；Recoil swing rod is later half Fixed angle height seat is adjusted on trapped orbit for fixed trapped orbit in section；Bogie car handle and front fork steering assembly Between by steering steel shaft control turn to, as improvement：

It is welded and fixed below the preceding lower inclined beam and is provided with left and right stable orbit, positioning is offered on the stable orbit of left and right Arc slot；

The hand swing rod fork lower section has the pairs of symmetrical fork of hand pendulum, the symmetrical fork lower end of hand pendulum to be provided with hand pendulum power-assisted hole Circle, hand put power-assisted hole and enclose rotatable fixed positioning horizontal axis two end axles；

Auxiliary rod elongated slot is provided among auxiliary lever, there are the preceding hole circle of auxiliary rod and auxiliary in auxiliary lever rear and front end respectively Bar pedals hole circle, and auxiliary rod elongated slot is located at auxiliary rod preceding hole circle and auxiliary rod pedals the centre position between the circle of hole, push-and-pull company Bar rear and front end has the preceding hole circle of push-pull rod and push-pull rod to pedal hole circle respectively, and described hanging draws connecting rod upper and lower ends to have suspending bars respectively Upper hole circle and suspending bars pedal hole circle；

It is additionally provided with auxiliary rod aperture seat on the upper cross break beam, auxiliary rod aperture seat is located at bearing slot rear, on auxiliary rod aperture seat The preceding hole circle of auxiliary rod that can be on the fixed auxiliary lever of rotation, the preceding hole circle of push-pull rod also rotatable fixed positioning horizontal axis both ends Axis；Push-pull rod pedals hole circle and suspending bars are pedaled between hole is enclosed and rotatably connected to do by the pivot pin on the left and right pedal component It connects；On suspending bars hole circle and auxiliary rod pedal hole circle between by hang pull on pin do can rotation connect；

The positioning horizontal axis stage casing is provided with locating shaft cube, locating shaft cube clearance fit be located at positioning arc slot it In；Positioning horizontal axis both ends are symmetrically arranged with hand assisted power pivot pin, and there is hand assisted power pin screw thread in hand assisted power pivot pin outer end；Hand assisted power pivot pin It is upper rotatable to be combined with the hand pendulum power-assisted hole circle and the preceding hole circle of the push-pull rod；

A pair of of positioning vertical core is set in the locating shaft cube, positions fixed positioning vertical pivot on vertical core, positions vertical pivot There are vertical pivot screw thread in upper and lower both sides, and vertical pivot nut is combined on vertical pivot screw thread；Vertical pivot nut and vertical pivot screw-thread fit, will position vertical pivot It is fixed on positioning vertical core；Positioning vertical pivot is provided at both ends with stable pivot pin；Stablize rotatable on pivot pin be combined in stabilizer-wheels Hole stablizes pivot pin outer end and locating wheel card slot baffle ring is detachably arranged；

There are a balance staff hole, recoil swing rod front end to be provided with seat pendulum pin hole, seat pendulum on the recoil swing rod mid-point position Pin hole fastens auxiliary pendulum pin stage casing, and auxiliary pendulum pin both ends jack-post slip in auxiliary rod elongated slot coordinates；Rocker supported hole with Seat balance staff is hinged between hole by seat balance staff pin, the recoil swing rod second half section upper fixed angle height seat.

As being further improved：It is to turn to casing to turn to upright bar lower end, and it is rotatable to turn between casing and upper pendulum round bar Cooperation；Turning between casing and steering ring tube has transition canalis spinalis；It turns to casing tube internal hole bottom and is provided with baffle ring circular planes, keep off Circle circular planes are located at transition canalis spinalis inner conical surface top；It turns to and has been arranged symmetrically symmetric coaxial in casing steering ring tube outer circle Column, symmetric coaxial column axial line are located at sustained height with the hand balance staff pin axial line, and turning to ring tube internal diameter size is into To 1.25-1.35 times of swing rod bearing foreign steamer Guo's size.

As being further improved：The intermediate position of hand swing rod fork is provided with swing rod supported hole, swing rod supported hole top It is provided with pendulum round bar, is rotatable cooperation between upper pendulum round bar and steering casing tube internal hole；Upper pendulum round bar is detachably equipped with cylinder Card slot baffle ring, cylinder card slot baffle ring are elastic shaft block ring, are rotatable cooperation between upper pendulum round bar and steering casing tube internal hole；Circle Column card slot baffle ring is supported in the baffle ring circular planes for turning to casing tube internal hole lower end；Bottom circle is provided with below swing rod supported hole Bar, bottom round bar lower end are provided with the symmetrical fork of hand pendulum, and the symmetrical fork lower end of hand pendulum is provided with hand pendulum power-assisted hole circle, and hand puts power-assisted hole circle It is rotatable to be sleeved on the hand assisted power pivot pin at positioning horizontal axis both ends.

As being further improved：The recoil swing rod second half section upper fixed trapped orbit, is located on trapped orbit Angle height seat includes trapped orbit, recoil swing rod, backrest seat, outer fork connecting rod and interior fork connecting rod, and backrest seat is by seat Backrest and seat bottom plate are formed, and there are two bearing, outer fork company are pitched in outer fork bearing and one for setting on seat bottom plate low degree It is hinge connection between bar upper end hole and outer fork bearing, is hinge connection between interior fork small end hole and interior fork bearing；

It is provided with the left slideway of elongated slot and the right slideway of elongated slot on the trapped orbit, is equidistantly positioned on the outside of the right slideway of elongated slot There is a rectangle right groove, is ladder sliding slot on the outside of the left slideway of elongated slot, it is equidistant on ladder sliding slot outer end face to be provided with pairs of strip slot, Pairs of strip slot is corresponding with the rectangle right groove；Interior bar pivot pin component and the complete phase of outer bar pivot pin element shapes size Together, stomidium under interior fork connecting rod is adjusted and is fixed on rectangle right groove and pairs of strip slot by the interior bar jack-post in interior bar pivot pin component Between, stomidium under outer fork connecting rod is adjusted the outer bar jack-post in outer bar pivot pin component is fixed on rectangle right groove and pairs of strip Between slot.

As being further improved：The interior bar pivot pin component includes interior bar jack-post and interior bar tapered end, interior bar tapered end inner end Face is provided with inner lock head screw hole, and interior bar tapered end outer end face is provided with inner lock head draw ring, and interior bar jack-post both ends are respectively arranged with interior bar Square toes and interior bar stud；

The outer bar pivot pin component includes outer bar jack-post and outer bar tapered end, and outer bar tapered end inner face is provided with outside tapered end spiral shell Hole, outer bar tapered end outer end face are provided with outside tapered end draw ring, and outer bar jack-post both ends are respectively arranged with outer bar square toes and outer bar stud；

The interior bar jack-post passes through a volute spring, sliding support ring, the left slideway of elongated slot, an interior bar successively Cage ring, interior interior fork lower opening, another interior bar cage ring and the right slideway of elongated slot for pitching connecting rod lower end, inner lock head screw hole and interior bar spiral shell Screw threads for fastening between column, a volute spring small end resist interior bar square toes medial surface, and a volute spring big end resists a cunning It moves in support ring annular groove；

The outer bar jack-post pass through successively another volute spring, another sliding support ring, the left slideway of elongated slot, one The outer fork lower opening of outer fork connecting rod lower end, outer bar cage ring, another pitch the outer fork lower opening and the right slideway of elongated slot of connecting rod lower end outside, outside Screw threads for fastening between tapered end screw hole and outer bar stud, another volute spring small end resist outer bar square toes medial surface, another cone Shape spring big end resists in another sliding support ring annular groove；

The interior fork small end has hole on interior fork, interior fork connecting rod lower end to have interior fork lower opening, has among interior fork connecting rod interior Pitch elongated slot；The interior fork lower opening of interior fork connecting rod lower end, which is slidably matched, to be sleeved on the interior bar jack-post；The outer fork small end There are hole on outer fork, outer fork connecting rod lower end to have outer fork lower opening, have outer fork mesoporous among outer fork connecting rod；, the outer fork of outer fork connecting rod lower end Lower opening, which is slidably matched, to be sleeved on the outer bar jack-post, on the outer fork of outer fork small end between hole and the outer fork bearing by Outside upper pivot pin can rotation be connected and fixed；Outer fork mesoporous outside two among fork connecting rod distinguishes fixed firm axis both ends, consolidates Axis stage casing is slidably located among the interior fork elongated slot；

The sliding support ring is made of baffle ring front and the baffle ring back side and baffle ring endoporus and baffle ring outer circle, baffle ring Front also sets up a ring baffle ring annular groove, and the volute spring big end is located among baffle ring annular groove, in a sliding support ring Baffle ring endoporus, which is slidably matched, is sleeved on the outer bar jack-post outer circle, and another slides the baffle ring endoporus sliding fiting sleeve in support ring In the interior bar jack-post outer circle；Baffle ring outside diameter size is less than ladder sliding slot width dimensions up and down, and the baffle ring back side is slidably It is attached to the groove bottom of ladder sliding slot；

The volute spring is made of the big end of spring and spring small end head, and spring small end head resists in outer bar square toes Side, the big end of spring resist among ring baffle ring annular groove.

The utility model has the beneficial effects that：

（One）, the angle height seat in the utility model use unconventional adjustment structure, sat in recoil swing rod and backrest Plate uses outer fork connecting rod and interior fork connecting rod, and outer fork connecting rod lower end flexible connection is fixed on outer bar pivot pin component, and interior fork connects The flexible connection of bar lower end is fixed on interior bar pivot pin component；Easily adjustment seat bottom plate gradient is realized to lean on together with seat Dorsal horn degree, moreover it is possible to be adjusted in synchronism seat bottom plate heights, it is ensured that operating attitude is more comfortable；

Interior bar pivot pin component combines volute spring and sliding support ring, can accomplish that interior bar tapered end can be along the right cunning of elongated slot Road is moved forward and backward or locked makees convenient switching among rectangle right groove；Also it can accomplish that interior bar square toes can be along an elongated slot left side Slideway move forward and backward or lock be located at ladder sliding slot, among make convenient switching；

Outer bar pivot pin component combines volute spring and sliding support ring, can accomplish that outer bar tapered end can be along the right cunning of elongated slot Road is moved forward and backward or locked makees convenient switching among rectangle right groove；Also it can accomplish that outer bar square toes can be along an elongated slot left side Slideway move forward and backward or lock be located at ladder sliding slot, among make convenient switching；It is anti-that sliding support ring not only gives volute spring Fulcrum is played, moreover, also volute spring realizes front and back synchronization-sliding to sliding support ring among ladder sliding slot in tow, is achieved in just It is angle and height to adjust angle height seat promptly.

（Two）, be additionally provided with auxiliary rod aperture seat on upper cross break beam, recoil swing rod and hang draw connecting rod between add auxiliary lever；It is auxiliary It helps pendulum pin both ends jack-post slip in auxiliary rod elongated slot to coordinate, reversed rotation between auxiliary lever and recoil swing rod can be made up Trajectory error；Due to：Seat balance staff hole to seat on recoil swing rod puts the auxiliary that the distance between pin hole is equal on auxiliary lever The preceding hole of bar, which is enclosed to auxiliary rod, pedals the distance between hole circle, and auxiliary rod elongated slot is located at auxiliary rod preceding hole circle and auxiliary rod is pedaled between hole encloses Centre position；Therefore, the rotation angle and heave amplitude of angle height seat can be reduced at double by adding auxiliary lever, allowed and ridden Row is more comfortable.

（Three）, be welded and fixed below preceding lower inclined beam and be provided with left and right stable orbit, positioning is offered on the stable orbit of left and right Arc slot；The locating shaft cube clearance fit in horizontal axis is positioned to be located among positioning arc slot；Two couple in locating shaft cube stablizes rolling Wheel is rolled with swing rod fork is set about on the transverse plane of positioning arc slot both sides；Make to go smoothly swing rod fork and bogie car together, with hand balance staff While bearing synchronizes front and back rotation centered on pin, also obtains stabilizer-wheels whole process and be close to positioning arc slot both sides of the face rolling It is dynamic, side positioning action is played always, it is ensured that is turned to upright bar and bogie car that will not swing in rotation before and after work, is made With more convenient.

Description of the drawings

Fig. 1 is the stereo appearance figure of the utility model.

Fig. 2 is the stereo appearance figure of the frame part 400 in Fig. 1.

Fig. 3 is the side external view of the utility model.

Fig. 4 is the A-A sections rotation figure in Fig. 1.

Fig. 5 is the B-B sectional views in Fig. 3.

Fig. 6 is the partial enlarged view at 666 position of hand balance staff pin in Fig. 5.

Fig. 7 is the 108 position partial enlarged view of symmetric coaxial column in Fig. 6.

Fig. 8 is in Fig. 7 in pairs with 152 independent enlarged drawing of hubcap.

Fig. 9 is that the bogie car in Fig. 5 is combined stereogram 100 with casing 168 is turned to.

Figure 10 is the partial enlarged view at 690 position of positioning horizontal axis in Fig. 5.

Figure 11 is that the sectional view for turning to 120 center line of steel shaft is passed through in Fig. 3.

Figure 12 is the independent view of the steering steel shaft 120 in Fig. 3.

Figure 13 is the front fork steering assembly stereogram in Fig. 1.

Figure 14 is the knuckle section component stereogram in Figure 13.

Figure 15 is the 201 independent stereogram of steering front rail in Figure 14.

Figure 16 is the 252 independent stereogram of preceding stem cover in Figure 14 in pairs.

Figure 17 is 202 stereogram of front-wheel fork in Figure 13.

Figure 18 is 700 right side view of angle height seat in Fig. 3.

Figure 19 is the rear view of Figure 18.

Figure 20 is C-C sectional views in Figure 18.

Figure 21 is D-D sectional views in Figure 18.

Figure 22 is the right side birds-eye view that the recoil swing rod 687 in Fig. 1 or Figure 18 is combined together with trapped orbit 715.

Figure 23 is the individual left side birds-eye view of trapped orbit 715 in Figure 22.

Figure 24 is the 720 individual face upwarding stereogram of backrest seat in Fig. 1 or Figure 18.

Figure 25 is the stereogram of the outer fork connecting rod 739 in Fig. 1 or Figure 18.

Figure 26 is the stereogram of the interior fork connecting rod 738 in Fig. 1 or Figure 18.

Figure 27 is the sectional view of the volute spring 770 in Figure 20 or Figure 21.

Figure 28 is the sectional view of the sliding support ring 730 in Figure 20 or Figure 21.

Figure 29 is the state diagram when backrest seat 720 of Figure 18 leans forward and reduces.

Figure 30 is the state diagram when backrest seat 720 of Figure 18 is swung back and increased.

Figure 31 is the 650 individual stereogram of push-and-pull connecting rod in Fig. 1 or Fig. 3.

Figure 32 is that hanging in Fig. 1 or Fig. 3 draws 680 individual stereogram of connecting rod.

Figure 33 is the 800 individual stereogram of auxiliary lever in Fig. 1 or Fig. 3.

Specific implementation mode

Rear braking flexible cord and front brake flexible cord are omitted in Fig. 1, in figure.

Rear braking flexible cord and front brake flexible cord and right brake lever 102 and left brake lever are omitted in Fig. 3, in figure 103。

In Fig. 5, B-B sections are horizontal by turning to 166 central axis of upright bar and 666 central axis of hand balance staff pin and positioning The central axis of axis 690.

In Figure 20, no external force acts on outside tapered end draw ring 736, and volute spring 770 is in reset state, outer bar tapered end 763 and outer bar square toes 765 be located among rectangle right groove 752 and pairs of strip slot 755, outer bar pivot pin component generally in Lock-bit state.

In Figure 21, external force is acted on outside inner lock head draw ring 734 and is drawn, and volute spring 770 is in confined state, interior bar tapered end 743 disengaging rectangle right grooves 752 move forward and backward limitation, and interior bar tapered end 743 can make anteroposterior position along the right slideway of elongated slot 756 It moves；Interior bar square toes 745 are detached into the limitation that moves forward and backward to strip slot 755, and interior bar square toes 745 enter in ladder sliding slot 751, Interior bar square toes 745 can be moved forward and backward along the left slideway of elongated slot 754, and interior bar pivot pin component is generally in active state.

In Fig. 1-17 and Figure 31-33, a kind of small amplitude of oscillation handle power-assisted stabilization wheel shaft bicycle of seat, including bogie car handle 100, forward wheel components 200, front-wheel fork 202, rear wheel part 300, trailing wheel crotch 350, frame part 400, central shaft chain wheel 500, Hand swing rod fork 600 pushes and pulls connecting rod 650, driving chain 305, left and right pedal component 508, angle height seat 700 and hangs drawing connecting rod 680, left brake lever 103 and right brake lever 102 is respectively set in 100 both sides by the bogie car, and front brake lock 203 is fixed In 202 front of front-wheel fork, rear brake brake 309 is fixed on trailing wheel crotch 350 in the following, rear brake brake 309 and left brake lever 103 Between be connected with rear braking flexible cord（It is omitted in figure）, front brake flexible cord is connected between front brake lock 203 and right brake lever 102 （It is omitted in figure）；The frame part 400 includes preceding lower inclined beam 402, upper cross break beam 401 and the pylon 403 that retreads；

Bearing slot 455 is offered on upper cross break beam 401,455 both sides of bearing slot are symmetrically arranged with swing rod bearing 420, There are holder through-hole 411, the symmetrically arranged fixation of holder through-hole 411 in both sides to set about 666 both ends of balance staff pin, hand on swing rod bearing 420 The swing rod supported hole 636 among swing rod fork 600 is set about in the rotatable fixation in 666 stage casing of balance staff pin；

It is hinge connection between frame part 400 and trailing wheel crotch 350, has between preceding lower inclined beam 402 and upper cross break beam 401 Vehicle frame front tube 404 is rotatable cooperation between 404 inner via hole of vehicle frame front tube and front fork steering shaft 217；Preceding lower inclined beam 402 is with after There is middle pedestal tube 405 between batter post frame 403；

The rotatable fixed sprocket wheel axis 512 of 405 inner via hole of middle pedestal tube, the fixed axis chain in 512 both ends of sprocket wheel axis Wheel 500；There are left and right pedal component 508 in 500 both sides of central shaft chain wheel respectively, by being driven between central shaft chain wheel 500 and trailing wheel ratchet 332 Chain 305 transmits torque；403 upper end of pylon of retreading is welded and fixed upright square tube 467,467 lower end of upright square tube and rear wheel fork Frame 350 has spring buffer component, 467 upper end of upright square tube to have rocker supported hole 478；687 second half section of recoil swing rod is upper fixed Fixed angle height seat 700 is adjusted on trapped orbit 715 for trapped orbit 715；Bogie car is 100 and front fork steering group It is controlled and is turned to by steering steel shaft 120 between part, front fork steering assembly includes knuckle section component and front-wheel fork 202, turning part It is connected by front fork steering shaft 217 between subassembly and front-wheel fork 202；As improvement：

402 lower section of preceding lower inclined beam, which is welded and fixed, is provided with left and right stable orbit 490, on left and right stable orbit 490 Offer positioning arc slot 499；

600 lower section of hand swing rod fork has the pairs of symmetrical fork 682 of hand pendulum, 682 lower ends of the symmetrical fork of hand pendulum to be provided with hand Power-assisted hole circle 689 is put, hand puts power-assisted hole and encloses 689 rotatable fixed 690 two end axles of positioning horizontal axis；

Auxiliary rod elongated slot 808 is provided among auxiliary lever 800, before there is auxiliary rod in 800 rear and front end of auxiliary lever respectively Hole circle 844 and auxiliary rod pedal hole circle 866, auxiliary rod elongated slot 808 is located at auxiliary rod preceding hole circle 844 and auxiliary rod pedal hole enclose 866 it Between centre position, 650 rear and front end of push-and-pull connecting rod has push-pull rod preceding hole circle 659 and push-pull rod to pedal hole circle 655 respectively, Described hanging draws 680 upper and lower ends of connecting rod to have hole circle 688 and suspending bars on suspending bars to pedal hole circle 685 respectively；

Auxiliary rod aperture seat 408 is additionally provided on the upper cross break beam 401, after auxiliary rod aperture seat 408 is located at bearing slot 455 Side, the preceding hole circle 844 of auxiliary rod that can be on the fixed auxiliary lever of rotation 800 on auxiliary rod aperture seat 408, the preceding hole circle of push-pull rod 659 Rotatable fixed 690 two end axles of positioning horizontal axis；Push-pull rod pedal hole circle 655 and suspending bars pedal hole circle 685 between by described Pivot pin on left and right pedal component 508 is rotatably connected；Hole circle 688 and auxiliary rod lead between pedaling hole circle 866 on suspending bars Cross hang pull on pin 806 do can rotation connection；

690 stage casing of positioning horizontal axis is provided with locating shaft cube 697, and 697 clearance fit of locating shaft cube is located at fixed Among position arc slot 499；690 both ends of positioning horizontal axis are symmetrically arranged with hand assisted power pivot pin 696, and there is hand in 696 outer end of hand assisted power pivot pin Power-assisted pin screw thread 691；It is rotatable on hand assisted power pivot pin 696 to be combined with the hand pendulum power-assisted hole circle 689 and the push-pull rod Preceding hole circle 659；

A pair of of positioning vertical core 699 is set in the locating shaft cube 697, positions fixed positioning vertical pivot on vertical core 699 900, there are vertical pivot screw thread 987 in about 900 both sides of positioning vertical pivot, and vertical pivot nut 965 is combined on vertical pivot screw thread 987；Vertical pivot nut 965 coordinate with vertical pivot screw thread 987, and positioning vertical pivot 900 is fixed on positioning vertical core 699；Positioning vertical pivot 900 is provided at both ends with surely Dead axle pin 963；It is rotatable on stable pivot pin 963 to be combined with 964 endoporus of stabilizer-wheels, stablize 963 outer end of pivot pin and is detachably arranged Locating wheel card slot baffle ring 962,（Locating wheel card slot baffle ring 962 is elastic shaft block ring）The limitation of locating wheel card slot baffle ring 962 is stablized Idler wheel 964 makees axial displacement；Two pairs of stabilizer-wheels 964 are rolled with swing rod fork 600 is set about in 499 two side ends of positioning arc slot In plane.

There are a balance staff hole 647,687 front end of recoil swing rod to be provided with seat pendulum on 687 mid-point position of recoil swing rod Pin hole 608, seat pendulum pin hole 608 fasten 807 stage casing of auxiliary pendulum pin, and auxiliary pendulum 807 both ends jack-post of pin is in auxiliary rod elongated slot 808 Interior slip cooperation；It is hinged by seat balance staff pin 487 between rocker supported hole 478 and seat balance staff hole 647, the recoil swing rod Fixed angle height seat 700 on 687 second half sections.

As being further improved：In Figure 18-19,687 second half section of recoil swing rod upper fixed trapped orbit 715, Angle height seat 700 on trapped orbit 715 includes trapped orbit 715, recoil swing rod 687, backrest seat 720, outer Connecting rod 739 and interior fork connecting rod 738 are pitched, backrest seat 720 is made of seat back 722 and seat bottom plate 723, seat bottom plate There are two bearing 728, outer 739 upper end hole of fork connecting rod and outer fork bearing are pitched in outer fork bearing 729 and one for setting on 723 low degrees It is hinge connection between 729, is hinge connection between interior 738 upper end hole of fork connecting rod and interior fork bearing 728；

The left slideway 754 of elongated slot and the right slideway 756 of elongated slot are provided on the trapped orbit 715, outside the right slideway of elongated slot 756 Side has been equidistantly positioned rectangle right groove 752, and left 754 outside of slideway of elongated slot is ladder sliding slot 751,751 outer end face of ladder sliding slot Above equidistant to be provided with pairs of strip slot 755, pairs of strip slot 755 is corresponding with the rectangle right groove 752；Interior bar pivot pin Component is identical with outer bar pivot pin element shapes size, and the interior bar jack-post 740 in interior bar pivot pin component will be under interior fork connecting rod 738 Stomidium is adjustable to be fixed between rectangle right groove 752 and in pairs strip slot 755, the outer bar jack-post 760 in outer bar pivot pin component 739 times stomidiums of outer fork connecting rod are adjusted and are fixed between rectangle right groove 752 and in pairs strip slot 755.

As being further improved：In Figure 14-17, before the knuckle section component includes steering front rail 201 and is pairs of Stem cover 252 and protecgulum screw 254, turning to 201 lower section of front rail has steering shaft upper tube 227, before having under steering shaft upper tube 227 Steering shaft 217 is pitched, has under front fork steering shaft 217 and turns to connecting shaft 218, turning to has connection pin hole 281 in connecting shaft 218；Before There is steering shaft down tube 207 in 202 top of wheel fork, and steering shaft connecting hole 228 is opened up in steering shaft down tube 207；Turn to connecting shaft 218 Detachably coordinate between steering shaft connecting hole 228, turns to connection pivot pin 280 and pass through connecting hole pin hole 282 and connecting shaft successively Pin hole 281 will turn to connecting shaft 218 and is fixedly connected with steering shaft down tube 207.

As being further improved：In Figure 20-21, the interior bar pivot pin component includes interior bar jack-post 740 and interior bar tapered end 743,743 inner face of interior bar tapered end is provided with inner lock head screw hole 774, and 743 outer end face of interior bar tapered end is provided with inner lock head draw ring 734,740 both ends of interior bar jack-post are respectively arranged with interior bar square toes 745 and interior bar stud 747；

The outer bar pivot pin component includes outer bar jack-post 760 and outer bar tapered end 763, the setting of 763 inner face of outer bar tapered end There are outside tapered end screw hole 776,763 outer end face of outer bar tapered end to be provided with outside tapered end draw ring 736,760 both ends of outer bar jack-post are respectively set There are outer bar square toes 765 and outer bar stud 767；

The interior bar jack-post 740 passes through a volute spring 770, sliding support rings 730, the left slideways of elongated slot successively 754, an interior bar cage ring 744, interior interior fork lower opening 785, another interior bar cage ring 744 and the elongated slot for pitching 738 lower end of connecting rod Right slideway 756, screw threads for fastening between inner lock head screw hole 774 and interior bar stud 747,770 small end of volute spring resist interior bar 745 medial surface of square toes, 770 big end of volute spring resist in sliding 730 annular groove of support ring；

It is left that the outer bar jack-post 760 passes through another volute spring 770, another sliding support ring 730, elongated slot successively It is pitched outside 754, one, slideway and pitches 739 lower end of connecting rod outside the outer fork lower opening 795, outer bar cage ring 766, another of 739 lower end of connecting rod Outer fork lower opening 795 and the right slideway 756 of elongated slot, screw threads for fastening between outside tapered end screw hole 776 and outer bar stud 767, another cone 770 small end of shape spring resists 765 medial surface of outer bar square toes, and 770 big end of another volute spring resists another sliding support ring In 730 annular grooves.

In Figure 25-26, interior 738 upper end of fork connecting rod has hole 782 on interior fork, interior 738 lower end of fork connecting rod to have under interior fork There is interior fork elongated slot 781 in hole 785 among interior fork connecting rod 738；The interior fork lower opening 785 of 738 lower end of interior fork connecting rod, which is slidably matched, is sleeved on institute On the interior bar jack-post 740 stated；Outer 739 upper end of fork connecting rod has hole 792 on outer fork, outer 739 lower end of fork connecting rod to have under outer fork There is outer fork mesoporous 791 in hole 795 among outer fork connecting rod 739；, the outer fork lower opening 795 of 739 lower end of outer fork connecting rod, which is slidably matched, to be sleeved on On the outer bar jack-post 760, by outside upper between hole 792 and the outer fork bearing 729 on the outer fork of 739 upper end of outer fork connecting rod Pivot pin 99 can rotation be connected and fixed；Outer fork mesoporous 791 outside two among fork connecting rod 739 distinguishes 711 liang of fixed firm axis End consolidates 711 stage casing of axis and is slidably located among the interior fork elongated slot 781；

In Figure 27-28, the sliding support ring 730 is by baffle ring front 731 and the baffle ring back side 32 and baffle ring endoporus 35 It is constituted with baffle ring outer circle 37, baffle ring front 731 also sets up a ring baffle ring annular groove 33, and 770 big end of volute spring is located at Among baffle ring annular groove 33, the baffle ring endoporus 35 in a sliding support ring 730, which is slidably matched, to be sleeved on outside the outer bar jack-post 760 Round, the baffle ring endoporus 35 in another sliding support ring 730, which is slidably matched, is sleeved on 740 outer circle of interior bar jack-post；Outside baffle ring 37 diameter dimensions of circle are less than about 751 width dimensions of ladder sliding slot, and the baffle ring back side 32 is slidably attached to the slot bottom of ladder sliding slot 751 Face；

The volute spring 770 is made of the big end 71 of spring and spring small end head 72, and spring small end head 72 resists 765 medial surface of outer bar square toes, the big end of spring 71 resist among ring baffle ring annular groove 33.

As being further improved：In Fig. 4,512 both sides of sprocket wheel axis are symmetrically arranged with axis card slot 526, axis 526 outside of card slot has axis square column 582,582 outer end of axis square column of both sides to have axis stud 586, match on axis stud 586 Close axis nut 589；Axis nut 589 and 586 immovable fitting of axis stud, the center square hole on central shaft chain wheel 500 is tight Gu in axis square column 582；Among axis interior snap ring 561 is located at axis card slot 526, axis limits sprocket wheel axis 512 with interior snap ring 561 Axial displacement in 405 inner via hole of middle pedestal tube.There is crank shaft shoulder block 591 on pedal pivot pin 584, outside crank shaft shoulder block 591 The rotatable fixed left and right pedal component 508 in side, the 591 rotatable fixed push-pull rod in inside of crank shaft shoulder block pedal hole and enclose 655 Hes Suspending bars pedal hole circle 685.

As being further improved：In Fig. 5, turning to 166 upper end of upright bar has steering square 104, and turning on square 104 has square Through-hole 109, for the fixed bogie car 100,100 both ends are cased with handle Anti-slip cover by bogie car in square through-hole 109 148。

As being further improved：In Fig. 5-6, the hand swing rod pitches 600 intermediate positions and is provided with swing rod supported hole 636, 636 top of swing rod supported hole is provided with pendulum round bar 610, is rotatable match between upper pendulum round bar 610 and steering 168 endoporus of casing It closes；Upper pendulum round bar 610 is detachably equipped with cylinder card slot baffle ring 616, and cylinder card slot baffle ring 616 is elastic shaft block ring, upper pendulum circle It is rotatable cooperation between bar 610 and steering 168 endoporus of casing；Cylinder card slot baffle ring 616, which is supported on, to be turned under 168 endoporus of casing In the baffle ring circular planes 169 at end；636 lower section of swing rod supported hole is provided with bottom round bar 681, the setting of 681 lower end of bottom round bar There are the symmetrical fork 682 of hand pendulum, 682 lower ends of the symmetrical fork of hand pendulum to be provided with hand pendulum power-assisted hole circle 689, it is rotatable that hand puts power-assisted hole circle 689 It is sleeved on the hand assisted power pivot pin 696 at 690 both ends of positioning horizontal axis.

As being further improved：In Fig. 6-7, it is to turn to casing 168 to turn to 166 lower end of upright bar, turns to casing 168 and upper pendulum It is rotatable cooperation between round bar 610；Turning between casing 168 and steering ring tube 161 has transition canalis spinalis 141；Turn to casing 168 endoporus bottoms are provided with baffle ring circular planes 169, and baffle ring circular planes 169 are located at 141 inner conical surface top of transition canalis spinalis；Turn Turned to casing 168 and be arranged symmetrically symmetric coaxial column 108 in 161 outer circle of ring tube, 108 axial line of symmetric coaxial column with it is described 666 axial line of hand balance staff pin be located at sustained height, turn to 420 foreign steamer of swing rod bearing that 161 internal diameter size of ring tube is pairs of 1.3 times of Guo's size.

As being further improved：In Fig. 7-9, have on 108 outer end face of symmetric coaxial column of both sides to bar screw hole 145 and right Half spherical-concave-surface 159 of bar, to having on half spherical-concave-surface 159 of bar to half mouthful 157 of bar；In Fig. 8, in pairs with having on 152 inner face of hubcap To lid through-hole 142 and to half spherical-concave-surface 156 of lid, to having on half spherical-concave-surface 156 of lid to half mouthful 153 of lid；Lid screw 164 is passed through pair Lid through-hole 142 coordinates with to bar screw hole 145, consolidates 108 outer end face of symmetric coaxial column is close to 152 inner face of hubcap in pairs It is fixed, bar is swung with to half mouthful of 153 complete square opening of composition of lid for turning to the shuttle of steel shaft 120 for half mouthful 157, to half spherical-concave-surface 159 of bar The swing rod bulb 121 is accommodate between half spherical-concave-surface 156 of lid.

As being further improved：In Figure 11-12, turn to 120 both ends of steel shaft has swing rod bulb 121 and front fork bulb respectively 122。

As being further improved：In Figure 11 and Figure 13-14, the knuckle section component includes turning to 201 He of front rail Stem cover 252 and protecgulum screw 254 before in pairs, turning to 201 lower section of front rail has steering shaft upper tube 227, steering shaft upper tube 227 Under have front fork steering shaft 217, have under front fork steering shaft 217 turn to connecting shaft 218, turn to connecting shaft 218 on have connection pin hole 281；It turns to and detachably coordinates between connecting shaft 218 and steering shaft connecting hole 228, turn to connection pivot pin 280 and pass through connection successively Hole pin hole 282 and connection pin hole 281 will turn to connecting shaft 218 and be fixedly connected with steering shaft down tube 207.

As being further improved：In Figure 11 and Figure 15-16, there is front bar spiral shell in 201 both ends of the surface of steering front rail Half spherical-concave-surface 259 of hole 245 and front bar has front bar half mouthful 257 on half spherical-concave-surface 259 of front bar；Before in pairs on 252 inner face of stem cover There is half spherical-concave-surface 256 of protecgulum through-hole 224 and protecgulum, has protecgulum half mouthful 253 on half spherical-concave-surface 256 of protecgulum；Protecgulum screw 254 passes through Protecgulum through-hole 224 coordinates with front bar screw hole 245, and pairs of preceding 252 inner face of stem cover is close to and turns to 201 both ends of the surface of front rail Fixed, front bar is swung with half mouthful of 253 complete square opening of composition of protecgulum for turning to the shuttle of steel shaft 120 for half mouthful 257, half spherical-concave-surface of front bar The front fork bulb 122 is accommodate between 259 and half spherical-concave-surface 256 of protecgulum.

As being further improved：In Figure 17, there are front brake fixing threaded hole 221, front-wheel fork in 202 front of front-wheel fork 202 lower sections are symmetrically arranged with front-wheel fork handle 242, and there is front-wheel mounting hole 241 in 242 lower end of front-wheel fork handle, consolidates on front-wheel mounting hole 241 Determine forward wheel components 200；202 top of front-wheel fork has steering shaft down tube 207,207 epimere of steering shaft down tube to have steering axis connection Hole 228 has in 207 outer circle of steering shaft down tube connecting hole pin hole 282, connecting hole pin hole 282 to lead to steering shaft connecting hole 228.

As being further improved：108 outer end face of symmetric coaxial column of size and both sides between steering 201 both ends of the surface of front rail Equal sized, the swing rod bulb 121 and front fork bulb 122 in left side and the swing rod bulb 121 and front fork bulb 122 on right side, this four Parallelogram is constituted between a point.

In embodiment, central shaft chain wheel 500 and trailing wheel ratchet 332 are located at bilateral side, can also be located at unilateral side.

Seat balance staff hole 647 to seat on recoil swing rod 687 is put the distance between pin hole 608 and is equal on auxiliary lever 800 Auxiliary rod preceding hole circle 844 to auxiliary rod pedals the distance between hole circle 866, auxiliary rod elongated slot 808 be located at the preceding hole circle 844 of auxiliary rod and Auxiliary rod pedals the centre position between hole circle 866；The preceding hole circle 844 of auxiliary rod to auxiliary rod on auxiliary lever 800 pedals hole circle 866 The distance between be 680 millimeters, it is 680 that the distance between pin hole 608 is put also in seat balance staff hole 647 on recoil swing rod 687 to seat Millimeter, auxiliary pendulum pin 807 to the distance between seat balance staff pin 487 are 680 millimeters, auxiliary pendulum pin 807 to auxiliary seat pin 804 away from It is swung between 330-350 millimeters, 808 length of auxiliary rod elongated slot is 40 millimeters, 808 center of auxiliary rod elongated slot to auxiliary The distance for putting pin 807 is 340 millimeters, and 808 center of auxiliary rod elongated slot is also 340 millimeters to the distance for pulling on pin 806 is hung.

When driving recoil swing rod 687 to be put centered on seat balance staff pin 487 by angle height seat 700 in human body sitting posture When transhipment is dynamic, it is assumed that maximum pendulum angle is positive and negative M angles, then directly brings auxiliary lever 800 to assist 804 center of seat pin to make myopia In the swinging motion of two times of M angles, connecting rod 680 is drawn to move by hanging to pull on the driving of pin 806 and hang.Adding auxiliary lever 800 can be with The rotation heave amplitude for reducing angle height seat 700 at double, allows and rides more comfortably.

Position and stabilizer-wheels 964 be set in 499 both ends of the surface of arc slot so that hand swing rod fork 600 and bogie car 100 together, When bearing synchronizes front and back rotation centered on hand balance staff pin 666, also obtains 964 whole process of stabilizer-wheels and be close to positioning arc slot 499 both sides of the face roll, and play side positioning action always, it is ensured that turn to upright bar 166 and bogie car is put 100 before and after work It will not swing when turning.

Backrest seat 720 adjusts embodiment 1, to turning down and leaning forward seat bottom plate 723, referring to Figure 20 and Figure 29：

It is caught on a finger and is drawn outside outside tapered end draw ring 736, outer bar tapered end 763 is detached from the anteroposterior position of rectangle right groove 752 Limitation is moved, outer bar tapered end 763 can be moved forward and backward along the right slideway of elongated slot 756.

At the same time, by means of the screw-thread fit of outside tapered end screw hole 776 and outer bar stud 767, the company of outer bar jack-post 760 is dropped It moves right with outer bar square toes 765, volute spring 770 is compressed, and outer bar square toes 765 are detached into the anteroposterior position to strip slot 755 Limitation is moved, outer bar square toes 765 enter in ladder sliding slot 751, and outer bar square toes 765 can be made front and back along the left slideway of elongated slot 754 Displacement.

Outer bar tapered end 763 is synchronous with outer bar square toes 765 to move a rectangle right groove 752 and pairs of strip slot respectively backward 755 so that outer bar jack-post 760 drives the outer fork lower opening 795 of 739 lower end of outer fork connecting rod also to move backward a case and sets, in consolidating Sliding is developed with adapting to the angle between interior fork connecting rod 738 and outer fork connecting rod 739 among elongated slot 781 is pitched in 711 stage casing of axis inside.

After seat bottom plate 723 is turned down and forward tilted positions are adjusted in place, finger unclamps outside tapered end draw ring 736, in Conical Projectile Under 770 rebound reset force effect of spring, outer bar tapered end 763 and outer bar square toes 765 respectively enter rectangle right groove 752 and pairs of strip Among slot 755, outer bar pivot pin component is generally in lock-bit state.

Backrest seat 720 adjusts embodiment 2, to seat bottom plate 723 to be turned up and swing back, referring to Figure 21 and Figure 30：

It is caught on a finger and is drawn outside inner lock head draw ring 734, inner lock head draw ring 734 is detached from the front and back of rectangle right groove 752 Displacement limits, and interior bar tapered end 743 can be moved forward and backward along the right slideway of elongated slot 756.

At the same time, by means of the screw-thread fit of inner lock head screw hole 774 and interior bar stud 747, the company of interior bar jack-post 740 is dropped It is moved to the left with interior bar square toes 745, volute spring 770 is compressed, and interior bar square toes 745 are detached into the anteroposterior position to strip slot 755 Limitation is moved, interior bar square toes 745 enter in ladder sliding slot 751, and interior bar square toes 745 can be made front and back along the left slideway of elongated slot 754 Displacement.

Interior bar tapered end 743 is synchronous with interior bar square toes 745 to move forward a rectangle right groove 752 and pairs of strip slot respectively 755 so that interior bar jack-post 740 drives the interior fork lower opening 785 of 738 lower end of interior fork connecting rod also to move backward a case and sets, in consolidating Sliding is developed with adapting to the angle between interior fork connecting rod 738 and outer fork connecting rod 739 among elongated slot 781 is pitched in 711 stage casing of axis inside.

After seat bottom plate 723 is turned up and backward position is adjusted in place, finger unclamps inner lock head draw ring 734, in Conical Projectile Under 770 rebound reset force effect of spring, interior bar tapered end 743 and interior bar square toes 745 respectively enter rectangle right groove 752 and pairs of strip Among slot 755, interior bar pivot pin component is generally in lock-bit state.

The above-mentioned essential characteristics of the utility model directly bring following progress effect：

（One）, the angle height seat 700 in the utility model use unconventional adjustment structure, recoil swing rod 687 with Backrest seat 720 uses outer fork connecting rod 739 and interior fork connecting rod 738, and outer fork 739 lower end of connecting rod flexible connection is fixed on outer bar On pivot pin component, interior 738 lower end of fork connecting rod flexible connection is fixed on interior bar pivot pin component；It realizes and easily adjusts seat Bottom plate gradient is together with seat back angle, moreover it is possible to be adjusted in synchronism seat bottom plate heights, it is ensured that operating attitude is more comfortable；

Interior bar pivot pin component combines volute spring 770 and sliding support ring 730, can accomplish that interior bar tapered end 743 can edge It the right slideway of elongated slot 756 and moves forward and backward or lock and make convenient switching among rectangle right groove 752；Also it can accomplish interior bar side First 745 can move forward and backward or be locked along the left slideway of elongated slot 754 and are located at ladder sliding slot 751, among make convenient switching；

Outer bar pivot pin component combines volute spring 770 and sliding support ring 730, can accomplish that outer bar tapered end 763 can edge It the right slideway of elongated slot 756 and moves forward and backward or lock and make convenient switching among rectangle right groove 752；Also it can accomplish outer bar side First 765 can move forward and backward or be locked along the left slideway of elongated slot 754 and are located at ladder sliding slot 751, among make convenient switching；Sliding Support ring 730 not only give volute spring 770 rebound fulcrum, moreover, sliding support ring 730 also in tow volute spring 770 in rank Front and back synchronization-sliding is realized among terraced sliding slot 751, it is angle and height to be achieved in and easily adjust angle height seat 700.

（Two）, be additionally provided with auxiliary rod aperture seat 408 on upper cross break beam 401, recoil swing rod 687 and hang draw connecting rod 680 between increase If auxiliary lever 800；Auxiliary pendulum 807 both ends jack-post of pin slip in auxiliary rod elongated slot 808 coordinates, and can make up auxiliary lever The trajectory error of reversed rotation between 800 and recoil swing rod 687；Due to：Seat balance staff hole 647 to seat on recoil swing rod 687 is put The distance between pin hole 608 be equal to auxiliary rod preceding hole circle 844 to the auxiliary rod on auxiliary lever 800 pedal between hole circle 866 away from It is located at the preceding hole circle 844 of auxiliary rod from, auxiliary rod elongated slot 808 and auxiliary rod pedals centre position between hole circle 866；Therefore, it adds Auxiliary lever 800 can reduce the rotation angle and heave amplitude of angle height seat 700 at double, allow and ride more comfortably.

（Three）, 402 lower section of preceding lower inclined beam be welded and fixed and be provided with left and right stable orbit 490, opened on left and right stable orbit 490 Equipped with positioning arc slot 499；697 clearance fit of locating shaft cube in horizontal axis 690 is positioned to be located among positioning arc slot 499；Positioning Two pairs of stabilizer-wheels 964 in axis cube 697 are rolled with swing rod fork 600 is set about on positioning 499 both sides transverse plane of arc slot；So that Hand swing rod fork 600 and bogie car 100 together, must while bearing synchronizes front and back rotation centered on hand balance staff pin 666 It is close to 499 both sides of the face of positioning arc slot to 964 whole process of stabilizer-wheels to roll, plays side positioning action always, it is ensured that turn to Upright bar 166 and bogie car will not swing 100 in rotation before and after work, and use is more convenient.

Claims (5)

1. a kind of small amplitude of oscillation handle power-assisted of seat stablizes wheel shaft bicycle, including bogie car is (100), forward wheel components (200), preceding Take turns fork (202), rear wheel part (300), trailing wheel crotch (350), frame part (400), central shaft chain wheel (500), hand swing rod fork (600), connecting rod (650), driving chain (305), left and right pedal component (508), angle height seat (700) are pushed and pulled and hangs drawing company Bar (680), the frame part (400) include preceding lower inclined beam (402), upper cross break beam (401) and the pylon that retreads (403)；

Bearing slot (455) is offered on upper cross break beam (401), bearing slot (455) both sides are symmetrically arranged with swing rod bearing (420), holder through-hole (411), the symmetrically arranged holder through-hole in both sides (411) fixation set about balance staff on swing rod bearing (420) (666) both ends are sold, the intermediate swing rod supported hole (636) of swing rod fork (600) is set about in the rotatable fixation in hand balance staff pin (666) stage casing；

Pylon (403) upper end of retreading is welded and fixed upright square tube (467), and there is rocker supported hole in upright square tube (467) upper end (478)；The fixed angle of entry is adjusted on trapped orbit (715) for fixed trapped orbit (715) on recoil swing rod (687) second half section Spend height seat (700)；It is controlled and is turned to by steering steel shaft (120) between bogie car handle (100) and front fork steering assembly, feature It is：

It is welded and fixed below the preceding lower inclined beam (402) and is provided with left and right stable orbit (490), left and right stable orbit (490) On offer positioning arc slot (499)；

There are the pairs of symmetrical fork (682) of hand pendulum, symmetrical fork (682) lower end of hand pendulum to be provided with below the hand swing rod fork (600) Hand puts power-assisted hole circle (689), and hand puts power-assisted hole and encloses (689) rotatable fixed positioning horizontal axis (690) two end axles；

It is provided with auxiliary rod elongated slot (808) among auxiliary lever (800), there is auxiliary rod in auxiliary lever (800) rear and front end respectively Preceding hole circle (844) and auxiliary rod pedal hole circle (866), and auxiliary rod elongated slot (808) is located at the preceding hole circle (844) of auxiliary rod and auxiliary rod is pedaled The centre position between (866) is enclosed in hole, described push-and-pull connecting rod (650) rear and front end have respectively push-pull rod preceding hole circle (659) and Push-pull rod pedals hole circle (655), and described hanging draws connecting rod (680) upper and lower ends to have hole circle (688) and suspending bars on suspending bars respectively Pedal hole circle (685)；

Auxiliary rod aperture seat (408) is additionally provided on the upper cross break beam (401), auxiliary rod aperture seat (408) is located at bearing slot (455) Rear, the preceding hole circle (844) of auxiliary rod that can be on the fixed auxiliary lever of rotation (800) on auxiliary rod aperture seat (408), the preceding hole of push-pull rod Enclose (659) also rotatable fixed positioning horizontal axis (690) two end axles；Push-pull rod pedals hole circle (655) and pedals hole circle (685) with suspending bars Between be rotatably connected by the pivot pin on the left and right pedal component (508)；Hole circle (688) and auxiliary on suspending bars Bar pedal hole circle (866) between by hang pull on pin (806) do can rotation connect；

Described positioning horizontal axis (690) stage casing is provided with locating shaft cube (697), and locating shaft cube (697) clearance fit is located at Among positioning arc slot (499)；Positioning horizontal axis (690) both ends are symmetrically arranged with hand assisted power pivot pin (696), hand assisted power pivot pin (696) There is hand assisted power pin screw thread (691) in outer end；It is rotatable on hand assisted power pivot pin (696) to be combined with the hand pendulum power-assisted hole circle (689) and (659) are enclosed in the preceding hole of the push-pull rod；

A pair of of positioning vertical core (699) is set in the locating shaft cube (697), and fixed positioning is perpendicular on positioning vertical core (699) Axis (900), positioning vertical pivot (900) have vertical pivot screw thread (987), vertical pivot screw thread to be combined with vertical pivot nut on (987) in both sides up and down (965)；Vertical pivot nut (965) coordinates with vertical pivot screw thread (987), and positioning vertical pivot (900) is fixed on positioning vertical core (699)； Positioning vertical pivot (900) is provided at both ends with stable pivot pin (963)；It is rotatable on stable pivot pin (963) to be combined with stabilizer-wheels (964) Endoporus stablizes pivot pin (963) outer end and locating wheel card slot baffle ring (962) is detachably arranged；

There are a balance staff hole (647), recoil swing rod (687) front end to be provided with seat on described recoil swing rod (687) mid-point position Pin hole (608) is put, seat pendulum pin hole (608) fastens auxiliary pendulum pin (807) stage casing, and auxiliary pendulum pin (807) both ends jack-post is assisting The interior slip cooperation of bar elongated slot (808)；It is cut with scissors by seat balance staff pin (487) between rocker supported hole (478) and seat balance staff hole (647) It connects, fixed angle height seat (700) on recoil swing rod (687) second half section.

2. the small amplitude of oscillation handle power-assisted of a kind of seat according to claim 1 stablizes wheel shaft bicycle, it is characterized in that：

It is to turn to casing (168) to turn to upright bar (166) lower end, and it is rotatable to turn between casing (168) and upper pendulum round bar (610) Cooperation；Turning between casing (168) and steering ring tube (161) has transition canalis spinalis (141)；Turn to casing (168) endoporus bottom Baffle ring circular planes (169) are provided with, baffle ring circular planes (169) are located at transition canalis spinalis (141) inner conical surface top；Turn to casing (168) it turns in ring tube (161) outer circle and has been arranged symmetrically symmetric coaxial column (108), symmetric coaxial column (108) axial line and institute Hand balance staff pin (666) axial line stated is located at sustained height, turns to the swing rod bearing that ring tube (161) internal diameter size is pairs of (420) 1.25-1.35 times of foreign steamer Guo size.

3. the small amplitude of oscillation handle power-assisted of a kind of seat according to claim 1 stablizes wheel shaft bicycle, it is characterized in that：

The intermediate position of the hand swing rod fork (600) is provided with swing rod supported hole (636), is arranged above swing rod supported hole (636) There is upper pendulum round bar (610), is rotatable cooperation between upper pendulum round bar (610) and steering casing (168) endoporus；Upper pendulum round bar (610) it is detachably equipped with cylinder card slot baffle ring (616), cylinder card slot baffle ring (616) is elastic shaft block ring, upper pendulum round bar (610) it is rotatable cooperation between steering casing (168) endoporus；Cylinder card slot baffle ring (616), which is supported on, turns to casing (168) In the baffle ring circular planes (169) of endoporus lower end；It is provided with bottom round bar (681), bottom round bar below swing rod supported hole (636) (681) lower end is provided with the symmetrical fork (682) of hand pendulum, and symmetrical fork (682) lower end of hand pendulum is provided with hand pendulum power-assisted hole circle (689), hand Pendulum power-assisted hole circle (689) is rotatable to be sleeved on the hand assisted power pivot pin (696) at positioning horizontal axis (690) both ends.

4. the small amplitude of oscillation handle power-assisted of a kind of seat according to claim 1 stablizes wheel shaft bicycle, it is characterized in that：

Fixed trapped orbit (715) on recoil swing rod (687) second half section, the angle being located on trapped orbit (715) Height seat (700) includes trapped orbit (715), recoil swing rod (687), backrest seat (720), outer fork connecting rod (739) and interior Connecting rod (738) is pitched, backrest seat (720) is made of seat back (722) and seat bottom plate (723), and seat bottom plate (723) is low There are two fork bearing (728) in outer fork bearing (729) and one, outer fork connecting rod (739) upper end hole and outer fork branch for setting in plane It is hinge connection between seat (729), is hinge connection between interior fork connecting rod (738) upper end hole and interior fork bearing (728)；

The left slideway of elongated slot (754) and the right slideway of elongated slot (756), the right slideway of elongated slot are provided on the trapped orbit (715) (756) outside has been equidistantly positioned rectangle right groove (752), is ladder sliding slot (751), ladder on the outside of the left slideway of elongated slot (754) Equidistant on sliding slot (751) outer end face to be provided with pairs of strip slot (755), pairs of strip slot (755) and the rectangle right side are recessed Slot (752) is corresponding；Interior bar pivot pin component is identical with outer bar pivot pin element shapes size, the interior bar in interior bar pivot pin component Jack-post (740) by stomidium under interior fork connecting rod (738) it is adjustable be fixed on rectangle right groove (752) and pairs of strip slot (755) it Between, stomidium under outer fork connecting rod (739) is adjusted the outer bar jack-post (760) in outer bar pivot pin component is fixed on rectangle right groove (752) between pairs of strip slot (755).

5. the small amplitude of oscillation handle power-assisted of a kind of seat according to claim 4 stablizes wheel shaft bicycle, it is characterized in that：

The interior bar pivot pin component includes interior bar jack-post (740) and interior bar tapered end (743), and interior bar tapered end (743) inner face is set It is equipped with inner lock head screw hole (774), interior bar tapered end (743) outer end face is provided with inner lock head draw ring (734), interior bar jack-post (740) two End is respectively arranged with interior bar square toes (745) and interior bar stud (747)；

The outer bar pivot pin component includes outer bar jack-post (760) and outer bar tapered end (763), and outer bar tapered end (763) inner face is set It is equipped with outside tapered end screw hole (776), outer bar tapered end (763) outer end face is provided with outside tapered end draw ring (736), outer bar jack-post (760) two End is respectively arranged with outer bar square toes (765) and outer bar stud (767)；

The interior bar jack-post (740) passes through a volute spring (770), sliding support ring (730), the left cunning of elongated slot successively Road (754), an interior bar cage ring (744), the interior fork lower opening (785) of interior fork connecting rod (738) lower end, another interior bar cage ring (744) and the right slideway of elongated slot (756), screw threads for fastening between inner lock head screw hole (774) and interior bar stud (747), a Conical Projectile Spring (770) small end resists interior bar square toes (745) medial surface, and volute spring (770) big end resists a sliding support ring (730) in annular groove；

The outer bar jack-post (760) passes through another volute spring (770), another sliding support ring (730), elongated slot successively Left slideway (754), the outer fork lower opening (795) of fork connecting rod (739) lower end outside one, outer bar cage ring (766), the company of pitching outside another The outer fork lower opening (795) of bar (739) lower end and the right slideway of elongated slot (756), outside tapered end screw hole (776) and outer bar stud (767) it Between screw threads for fastening, another volute spring (770) small end resists outer bar square toes (765) medial surface, another volute spring (770) Big end resists in another sliding support ring (730) annular groove；

Interior fork connecting rod (738) upper end has hole (782) on interior fork, interior fork connecting rod (738) lower end to have interior fork lower opening (785), There is interior fork elongated slot (781) among interior fork connecting rod (738)；The interior fork lower opening (785) of interior fork connecting rod (738) lower end, which is slidably matched, to be sleeved on On the interior bar jack-post (740)；There are hole (792) on outer fork in outer fork connecting rod (739) upper end, under outer fork connecting rod (739) There is outer fork lower opening (795) at end, has outer fork mesoporous (791) among outer fork connecting rod (739)；, it is outer fork connecting rod (739) lower end outer fork under Hole (795), which is slidably matched, to be sleeved on the outer bar jack-post (760), hole (792) and institute on the outer fork of outer fork connecting rod (739) upper end Between the outer fork bearing (729) stated by outside upper pivot pin (99) can rotation be connected and fixed；The intermediate outer fork of fork connecting rod (739) outside two Mesoporous (791) respectively slidably grow positioned at the interior fork by fixed firm axis (711) both ends, firm axis (711) stage casing Among slot (781)；

The sliding support ring (730) is by baffle ring positive (731) and the baffle ring back side (32) and baffle ring endoporus (35) and baffle ring Outer circle (37) is constituted, and baffle ring front (731) also sets up a ring baffle ring annular groove (33), the volute spring (770) big end position Among baffle ring annular groove (33), the baffle ring endoporus (35) on a sliding support ring (730), which is slidably matched, is sleeved on the outer bar Jack-post (760) outer circle, the baffle ring endoporus (35) in another sliding support ring (730), which is slidably matched, is sleeved on the interior bar jack-post (740) outer circle；Baffle ring outer circle (37) diameter dimension is less than ladder sliding slot (751), and width dimensions, the baffle ring back side (32) can be slided up and down The dynamic groove bottom for being attached to ladder sliding slot (751)；

The volute spring (770) is made of the big end of spring (71) and spring small end head (72), spring small end head (72) Outer bar square toes (765) medial surface is resisted, the big end of spring (71) resists among ring baffle ring annular groove (33).