CN86103007A

CN86103007A - Comfortable-type bicycle

Info

Publication number: CN86103007A
Application number: CN 86103007
Authority: CN
Inventors: 曹新生
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-04-29
Filing date: 1986-04-29
Publication date: 1987-01-24

Abstract

A kind of can altering one's posture ridden, comfortable bicycle.Its car body has the mechanism that can supply to be transformed into seat arbitrarily in riding, found, lie prostrate three kinds of riding postures, these mechanisms mainly contain: can change high and low position, the handlebar of length be can regulate, the vehicle seat that can be shifted and the backrest in place that overturns automatically supported by four-bar mechanism.Thereby it is common to have solved bicycle in the past, and riding posture is fixed, tired easily, the problem of the bad adaptability that climate environment and riding posture are required.

Description

Comfortable-type bicycle

The invention relates to the comfort type design of vehicle bicycle, is that a kind of can altering one's posture ridden comfortable bicycle.

By the known bicycle of people multiple pattern is arranged so far, but all be for certain fixing riding posture design-calculated as: the racing car of lying prostrate to ride, vertical standard car of riding, bicycle that sitting posture is ridden, they all have a common characteristic, be exactly the various structures that car body constitutes riding posture, as: handlebar, vehicle seat and the backrest relative position in riding is fixed, thereby also just define their range of use, so the comformability to climate environment and riding posture requirement is just poor, single posture has been ridden for a long time also tired easily simultaneously.

Task of the present invention is exactly: overcome above shortcoming, design can alter one's posture and ride, a kind of so comfortable bicycle, and it has tangible adaptable characteristics.

The invention is characterized in, had the adjustable mechanism that freely to select the riding posture desired location of conversion handlebar, vehicle seat and backrest by body, realized people can be in riding free conversion sit, stand, lie prostrate three kinds of requirements that posture is ridden, three part adjustable mechanisms among the present invention also can be formed the vehicle of convertible two kinds of riding postures respectively.

Describe in detail below by a most preferred embodiment, present embodiment has any instrument that do not need, the drawing mechanism of the S. A. of interchangeable handlebar locus, scalable handlebar length, the displaceable vehicle seat that supports by four-bar mechanism in riding, and the backrest that can fold.

Figure (one) can adjust (shown among the figure 1) of riding posture desired location for comfortable-type bicycle has, and has the handlebar of S. A. 2, thereby has realized freely changing into the posture that sitting posture and the formula of lying prostrate are ridden.

Figure (two) has for comfortable-type bicycle: the handlebar 3 that can stretch out, support by two groups of four-bar mechanisms, can move freely the vehicle seat 4 of riding posture position, the backrest in place 5 that can fold, overturn automatically, thus realized and can change into the requirement that sitting posture is ridden by vertical riding.

Figure (three) is the constructional drawing of S. A. 2

Figure (four) for the constructional drawing figure (five) of the handlebar 3 that can stretch for being shifted the constructional drawing of vehicle seat 4.

Figure (six) is 24 constructional drawing in the detent mechanism (figure (five)) of the vehicle seat that can be shifted

Figure (seven) is the schematic perspective view of figure (six) detent mechanism

Figure (eight) is the constructional drawing of the automatic upset of folding backrest 5 in place

Figure (nine) is the constructional drawing of energy storage releasing mechanism 44 among the figure (eight).

Figure (ten) is the constructional drawing of slide plate 26 among the figure (eight)

Figure (11) is vehicle seat, two back stays and energy storage releasing mechanism interrelation figure.

Figure (12) is the constructional drawing of two back stays of vehicle seat.

Present embodiment, comfortable-type bicycle is adjusted the high and low position of handlebar and is realized by S. A. 2, see that figure (three) is the constructional drawing of S. A. 2, press on the positioning key 11 with hand, the nut 10 of pressing spring, positioning key 11 will shift out by the keyway on the sheet 7 from the S. A. that connects handlebar one end, this moment is sheet 7 in the end S. A., can in the trip's rotating shaft outer plate 8 that connects the handlebar crossbeam, freely rotate, to the relevant position, autofitting is in another keyway under the effect of spring force for key, and 9 for having the axle of spiral shell button among the figure.

The present embodiment comfortable-type bicycle is transformed to sitting posture and is ridden by vertical riding, be by stretchable sleeve-type handlebar 3 displaceable vehicle seats 4 and collapsible, the backrest in place 5 that overturns is realized automatically.

Stretchable telescopic handlebar is seen figure (four), and handlebar is by three layers of sleeve, and 14,15,16 form among the figure.On outermost layer sleeve 16, be surrounded by plastic jacket 17.When handlebar shrank, being combined by the location hook 20 that has spring and sleeve retaining head circle 21 made the handlebar location.

Location hook 20 is fastened on the outermost layer sleeve 16 by set collar 22, and set collar can be used as fixedly brake handle usefulness simultaneously.When handlebar stretched, sleeve was by the

steady ring

12,13 that is fixed on the inner layer sleeve outside, combine with the

steady ring

19,18 that is fixed on the outer layer sleeve inboard sleeve is located respectively.Described the structure situation of middle level sleeve 15 among the figure (four) in addition with outer positioning ring 13 interior steady rings 19, and the display pattern of steady ring 19.Only described the structure of one deck sleeve and steady ring among the figure, all the other every layer all is that structure is identical, just the size difference.

Displaceable vehicle seat is seen figure (five), and vehicle seat is supported by four poles, and in order to adjust height, every pole all is made up of two oblong pipe boxes together.By the parallel pole of vehicle seat, two groups, connect the pole axle crossbeam 27, forms two groups of four-bar mechanisms (because the limitation of view has only shown one group of four-bar mechanism in car left side) and realizes the level of vehicle seat displacement and stablize.Vehicle seat is by detent mechanism 24 and counter bar bar 23 mutual actions location.The inboard that counter bar bar 23 usefulness axle is connected two front support rods, key location with keyway on the counter bar bar and

detent mechanism

24,25 for being fixed on the transverse axis on the car body spider among the figure A-A, work to connect two crossbeams 27, spring on the transverse axis is a retracing spring, energy storage when moving behind the vehicle seat when vehicle seat need erect again, can promote front support rod vehicle seat is resetted.

The detent mechanism 24 of vehicle seat of can being shifted is seen figure (six), figure (seven).35 have only drawn the counter bar bar guide groove of a side for connecting two counter bar bar guide groove 31(among the figure in figure seven) and the support of slide block 29 and key 33.34 is the screw of securing bracket 35 and guide groove 31 among the figure.32 for connecting the axle of detent mechanism and vehicle frame.The work of detent mechanism is spurred by steel wire, and of steel wire sees figure (seven) by slide block 29() above cylinder fix, the cover skin of steel wire is fixing by back-up ring 28.During the pulling steel wire, steel wire skewer movable slider 29, the skewed slot on the slide block are stirred the screw 30 that is fastened on the key 33, make the key displacement, and when the breach on the key aligned counter bar bar guide groove, counter bar bar 23 can move freely.Loosen steel wire, then slide block 29 can make key block counter bar bar 23 once more under the effect of spring force and make the vehicle seat location.

The backrest in place that can overturn is automatically seen figure (eight).The basic bar 36 that backrest is used by fixing backrest, allotment bar 42, bent pole 38, connecting panel 41, the four-bar mechanism of forming are realized folding and are overturn in place.

Four-bar mechanism is by the pipe on connecting panel 41 tops, is enclosed within on the car after-frame side rod 39 and car after-frame bonded assembly position before and after can adjusting with the need with jackscrew is fixing.The girder 43 of car after-frame is made up of two rectangular pipes, and an end is fixed on the vehicle frame, and an end is fixedly supported on the axle of trailing wheel by two pillars, and the termination connects after-frame side rod 39.

The automatic upset of backrest is realized by stored energy mechanism.Stored energy mechanism is seen figure (nine) by slide plate 26 (see figure (five), figure (ten)), energy storage releasing mechanism 44(), spring on the energy storage axis 45, energy storage axis, and the skewback on the vehicle seat back stay 53 (seeing figure (12)) is realized.Slide plate 26 (seeing figure (ten)) be by last slide plate 49, go up slide plate location usefulness nut 50, slide plate 51 usefulness screws tighten together down, be enclosed within to form on the after-frame girder 43.Energy storage releasing mechanism (seeing figure (nine)) is made up of skewback 47, flashboard 48 and two plate washers being connected between the girder 43.Skewback 53 on the vehicle seat back stay (seeing figure (12)) is to be connected on the right back pole by the axle that is fixed on the right back pole.Skewback can have spring reset to the car rear to rotation, and this mechanism is for solving vehicle seat when move the vertical position of riding, and skewback is crossed the problem of the skewback 47 on the energy storage releasing mechanism and design-calculated.Fixing square cooperates the action on the right on the back stay of the left side, plays the holding position.

The working process of backrest: by the vertical sitting posture that is transformed to when riding, vehicle seat detent mechanism 24, decontrol counter bar bar 23, vehicle seat moves backward, skewback 53 on the right back pole of vehicle seat (seeing figure (11)), promote the skewback 47 of energy storage releasing mechanism 44, flashboard 48 displacements, energy storage axis 45 is gone out releasing mechanism 44 (seeing figure (eight)) under the effect of spring force, the energy storage axis is connected with the nut of slide plate 26 by the screw thread of self, drive slide plate, slide plate has the pulling-on piece 40 of slotted hole by the adapter shaft pulling, pulling-on piece drives bent pole 38, bent pole is stirred backrest base bar 36, when this moment, backrest base bar moved behind vehicle seat, push away round end on the basic bar 36 by square on the back stay 52 and skewback 53, make basic bar Zhang Qiyi angle, bent pole is stirred backrest base bar backrest and is erected, this moment, vehicle seat moved down backward again, the back of vehicle seat promotes slide plate 26 (seeing figure (five)) and drives energy storage axis compressed energy-storage spring, prepares task down, and at this moment backrest has erected, forwards withstood, rearward had location column cap 37 to withstand with bent pole 38 by vehicle seat.As shifting one's position once more, when vehicle seat erected, backrest can freely be folded up.

Claims

1, a kind of bicycle of forming by vehicle frame, wheel, feature of the present invention is: car body has that available conversion is sat, stands, lain prostrate, three kinds of riding postures, can change handlebar, vehicle seat, and backrest, the adjustable mechanism of riding posture desired location, its bicycle also can be formed the vehicle of convertible two kinds of riding postures respectively by above-mentioned three part adjustable mechanisms.

2, described a kind of as claim (1), have the bicycle of the mechanism of convertible riding posture.The invention is characterized in: car body has had does not need any instrument, can change the S. A. of handlebar riding posture position in riding, the drawing mechanism of scalable handlebar length, and by the displaceable vehicle seat of four-bar mechanism support, and folding backrest.

3, have as the described a kind of bicycle of claim (2), can change the S. A. of handlebar riding posture position, it is characterized in that: S. A. is by sheet 7, S. A. outer plate 8 in the S. A. that has positioning spline, be made up of the automatically reset key 11 of spring.

4, have as the described a kind of bicycle of claim (2), the drawing mechanism of scalable handlebar length, it is characterized in that: drawing mechanism is made up of the multilayer sleeve, is to locate by being fixed on inboard the mutually combining with the steady ring that is fixed on the inner layer sleeve outside of outer layer sleeve.

5, as the described a kind of bicycle of claim (2), had, displaceable vehicle seat by the four-bar mechanism support, it is characterized in that: supporting seat in the four-bar mechanism, every pole of adjustable length is made up of two-layer sleeve pipe, the vehicle seat that is supported by four-bar mechanism has by the mechanism of detent mechanism 24 with counter bar bar 23 mutual actions location, and four-bar mechanism has retracing spring.

6, as claim (2) the folding backrest that described a kind of bicycle had, it is characterized in that: the jackknife action of backrest is to be realized by the connecting rod mechanism that supports backrest, connecting rod mechanism is subsidiary have for upset automatically in place be installed in stored energy mechanism on the car after-frame.

7, as claim (6) the automatic upset of the confession backrest stored energy mechanism in place that described a kind of bicycle had, it is characterized in that: stored energy mechanism is made up of the skewback 53 on slide plate 26, energy storage releasing mechanism 44, energy storage axis 45, energy stroage spring and the vehicle seat back stay.