CN203681775U

CN203681775U - Foldable bicycle

Info

Publication number: CN203681775U
Application number: CN201320805393.4U
Authority: CN
Inventors: 于成盛; 牛春亮; 岳洋; 孟磊; 种道光; 滕玉龙
Original assignee: Dalian Ocean University
Current assignee: Dalian Ocean University
Priority date: 2013-12-10
Filing date: 2013-12-10
Publication date: 2014-07-02
Anticipated expiration: 2023-12-10

Abstract

The utility model discloses a foldable bicycle which comprises a bicycle handlebar, a front wheel and a rear wheel, and is characterized in that the bicycle handlebar is positioned at the top of an upper front rod, the upper front rod is movably sleeved with a lower front rod, the upper front rod can drive the front wheel positioned at the lower end of the lower front rod to rotate, the lower part of the lower front rod is hinged to a bottom cross rod, the other end of the bottom cross rod is hinged to the front end of a bottom framework, the rear wheel driven by pedals is arranged at the rear part of the bottom framework, the top of the bottom framework is hinged to an upper part connecting rod and a chair support, the other end of the upper part connecting rod is connected with the top of the upper front rod through bolts, a chair is arranged on the chair support, the pedals can drive a face gear to rotate, a gear meshed with the face gear is connected with a rotating shaft, and the rotating shaft can drive the rear axle of the rear wheel to rotate through a pair of conical gears.

Description

Collapsible bicycle

Technical field

The utility model relates to a kind of bicycle, particularly a kind of Collapsible bicycle.

Background technology

Bicycle is a kind of manpower transportation, due to its go out accommodating, save the advantage such as the energy and be widely used.But still there is following shortcoming in traditional bicycle: bicycle need to occupy larger space and deposits at one's leisure, and it is chain gear that traditional bicycle drives the mechanism of vehicle wheel rotation, its driving cog of this type of drive and messenger chain easily dislocation are even thrown off, and have certain problem.Therefore need now a kind of new bicycle that can address the above problem.

Summary of the invention

The utility model is in order to solve the existing above-mentioned deficiency of prior art, proposes a kind of simple in structurely, designs ingeniously, can fold with saving and take up room, and have the Collapsible bicycle of brand-new transmission device.

Technical solution of the present utility model is: a kind of Collapsible bicycle, comprise handlebar 1, front-wheel 2 and trailing wheel 3, it is characterized in that: handlebar 1 is positioned at the top of front bar 4, upper front bar 4 is socketed in lower front bar 5, and upper front bar 4 can drive the front-wheel 2 that is positioned at lower front bar 5 lower ends to rotate, the bottom of lower front bar 5 and bottom bar 6 are hinged, the other end of bottom bar 6 is hinged on the front end of under(-)chassis 7, the trailing wheel 3 driving by pedal 8 is arranged on the rear portion of under(-)chassis 7, the top of under(-)chassis 7 is hinged with upper links 9 and seat support 10, the top of the other end of upper links 9 and upper front bar 4 is bolted, on seat support 10, be provided with seat 11, described pedal 8 can drive rotating disk 12 to rotate, on a side of rotating disk 12, be provided with face gear 13, the gear 14 being meshed with face gear 13 is connected with rotating shaft 15, rotating shaft 15 is made up of two interconnective split axles 22, and these two split axles 22 connect by cross universal coupling 21, rotating shaft 15 drives the hind axle 17 of trailing wheel 3 to rotate by a pair of bevel gear 16.

The lower end of described seat 11 is provided with symmetrically arranged seat link 18, and seat link 18 is plugged on seat support 10 and is bolted, and equidistantly offers multiple connecting bores in seat link 18.

In described upper links 9, be fixedly installed folding knapsack 19.

The upper end of described under(-)chassis 7 is provided with Foldable basket of bicycle 20.

Compared with the existing technology, tool has the following advantages the utility model:

The Collapsible bicycle of this kind of version, it is simple in structure, design ingenious, it takes up an area the large defect in space for standard bicycle, design and a kind ofly can carry out folding structure, user, in the time running into rugged road, can be folded and is wrapped in the knapsack carrying by simple operations like this, is bearing bicycle and is advancing; In the time placing the bicycle of the present embodiment, do not need too many floor area simultaneously yet; And its transmission device is also different from traditional sprocket chain strip, adopt gear and the axle of rigidity to carry out the transmission of moment of torsion, the error in controlled motion transmission well, therefore can not occur to cause the situation of disengagement because sprocket wheel chain misplaces; Simultaneously, its transmission shaft is made up of two sections of split axles that connect by cross universal coupling, gear right alignment requirement before and after can reducing, and the longitudinal travel and the angular transposition that produce can compensate driving torque time, and the integral type jaw of cross universal coupling, make transmission have more reliability.The drive mechanism of this kind of bicycle has compact conformation, driving efficiency is high, noise is low, and safe reliability is high and maintain the multiple advantages such as convenient, therefore can say that it is particularly suitable for applying in the art, and its market outlook are very wide.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the schematic diagram of the utility model embodiment running part.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.As shown in Figure 1 and Figure 2: a kind of Collapsible bicycle, comprise handlebar 1, front-wheel 2 and trailing wheel 3, handlebar 1 is positioned at the top of front bar 4, and upper front bar 4 is socketed in lower front bar 5 inside, when in bicycle state, between upper front bar 4 and lower front bar 5, be bolted, and upper front bar 4 can drive the front-wheel 2 that is positioned at lower front bar 5 lower ends to rotate, the bottom of lower front bar 5 and bottom bar 6 are hinged, the other end of bottom bar 6 is hingedly arranged on the front end of under(-)chassis 7, be provided with trailing wheel 3 at the rear portion of under(-)chassis 7, and trailing wheel 3 drives by pedal 8 and transmission device, pedal 8 can drive the face gear 12 being rotatably supported on under(-)chassis 7 to rotate, what be meshed with this face gear 12 is provided with gear 14, gear 14 is connected with rotating shaft 15, rotating shaft 15 bearings are on under(-)chassis 1, and the other end of rotating shaft 15 is connected with hind axle 17 by a pair of bevel gear 16, be that rotating shaft 15 can drive hind axle 17 to rotate, for gear right alignment requirement before and after reducing, and the longitudinal travel and the angular transposition that produce can compensate driving torque time, rotating shaft 15 is designed to two split axles 22, and interconnect by cross universal coupling 21 between these two split axles 22, hind axle 17 is arranged on the axle center place of trailing wheel 3, be hinged with respectively upper links 9 and seat support 10 on the top of under(-)chassis 7, wherein the top of the other end of upper links 9 and upper front bar 4 is bolted, and is provided with seat 11 on seat support 10, between seat 11 and seat support 10, be connected by seat link 18, seat link 18 is fixedly installed on the lower end of seat 11, and seat link 18 is at least two, be symmetrical arranged, seat link 18 can be plugged on seat support 10 and be bolted, and equidistantly offers multiple connecting bores that pass through for bolt in seat link 18, this structure can allow user carry out the adjustment of height of seat according to self height, in upper links 9, be fixedly installed folding knapsack 19, upper end at under(-)chassis 7 is provided with Foldable basket of bicycle 20.

User rotates by pushes pedals 8 drive surface gears 12, because the tooth on face gear 12 engages with gear 14, therefore when gear 12 rotates face to face, can rotate by driven gear 14, and the rotating shaft 15 also thereupon rotation coaxial with gear 14, and by paired bevel gear 16 by torque transfer to hind axle 17, drive trailing wheel 3 to rotate, finally realize advancing of bicycle; In the time not using bicycle, to between upper front bar 4 and upper links 9, take apart, and upper front bar 4 is sent in lower front bar 5, rotate in the horizontal direction lower front bar 5 along lower front bar 5 and the hinge-point of bottom bar 6, and rotate in the horizontal direction bottom bar 6 along bottom bar 6 and the hinge-point of under(-)chassis 7, allow bottom bar 6 drive upper front bar 4, lower front bar 5 and front-wheel 2 to fold, close up with under(-)chassis 7; Now now also degree of gaining freedom of upper links 9, pulls upper links 9 and allows its hinge-point along self and under(-)chassis 7 longitudinally rotate, and allows upper links 9 and under(-)chassis 7 fold, to close up; Pull seat support 10 and allow its hinge-point along self and under(-)chassis 7 longitudinally rotate, allow seat support 10 and under(-)chassis 7 fold, to close up; Foldable basket of bicycle 20 is drawn in simultaneously; So far, the Collapsible bicycle of the embodiment of the present invention by bicycle Morphological Transitions to folded form, now the bicycle after folding can be placed on to position easily, also can utilize the knapsack 19 being fixedly installed in upper links 9 by after the bicycle parcel after folding, bear and advance.

Claims

1. a Collapsible bicycle, comprise handlebar (1), front-wheel (2) and trailing wheel (3), it is characterized in that: handlebar (1) is positioned at the top of front bar (4), upper front bar (4) is socketed in lower front bar (5), and upper front bar (4) can drive the front-wheel (2) that is positioned at lower front bar (5) lower end to rotate, the bottom of lower front bar (5) and bottom bar (6) are hinged, the other end of bottom bar (6) is hinged on the front end of under(-)chassis (7), the trailing wheel (3) driving by pedal (8) is arranged on the rear portion of under(-)chassis (7), the top of under(-)chassis (7) is hinged with upper links (9) and seat support (10), the top of the other end of upper links (9) and upper front bar (4) is bolted, on seat support (10), be provided with seat (11), described pedal (8) can drive rotating disk (12) to rotate, on a side of rotating disk (12), be provided with face gear (13), the gear (14) being meshed with face gear (13) is connected with rotating shaft (15), rotating shaft (15) is made up of two interconnective split axles (22), and these two split axles (22) connect by cross universal coupling (21), rotating shaft (15) drives the hind axle (17) of trailing wheel (3) to rotate by a pair of bevel gear (16).

2. Collapsible bicycle according to claim 1, it is characterized in that: the lower end of described seat (11) is provided with symmetrically arranged seat link (18), seat link (18) is plugged on seat support (10) and goes up and be bolted, and in seat link (18), equidistantly offers multiple connecting bores.

3. Collapsible bicycle according to claim 2, is characterized in that: in described upper links (9), be fixedly installed folding knapsack (19).

4. Collapsible bicycle according to claim 3, is characterized in that: the upper end of described under(-)chassis (7) is provided with Foldable basket of bicycle (20).