Portable bicycle
A bicycle and portable technology, applied in the direction of bicycles, foldable bicycles, motor vehicles, etc., can solve the problems of tired riding, large volume, serious bumps, etc., and achieve the effect of light riding and small size.
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Embodiment 1
[0052] A portable bicycle, comprising a handlebar bar 2, a handlebar vertical bar 3, a handlebar 1, a front frame 5, a front fork 10, a connecting piece, a lower frame 16, a transmission mechanism, a front wheel 11 and a rear wheel 25; the front frame 5 and the front fork 10 are connected through the front axle 9, and the front fork 10 is connected with the underframe 16 through the front pipe 32 and the connector; the front frame 5 is provided with a rear wheel receiving groove 6 from top to bottom , the handlebar jack 14 and the front wheel receiving groove 7; the front wheel receiving groove 28, the cavity 12 and the rear wheel groove 73 are provided through on the described undercarriage 16; side; the rear wheel 25 is installed in the rear wheel groove 73 by the rear axle 26, and the two ends of the rear axle 26 are respectively provided with a flywheel 27; 4 connected, the handlebar cross bar 2 is located between the two handlebar vertical bars 3; it is characterized in t...
Embodiment 2
[0064] A kind of portable bicycle as described in embodiment 1, its difference is:
[0065] see image 3 , a locking key 8 is provided at the front of the front fork 10, and a locking block 36 is provided at the top of the front fork 10. When the front frame 5 is erected, the lower end of the front frame 5 is located between the locking key 8 and the locking block. between blocks 36. The advantage of the design here is that the fixing ability of the front frame 5 and the front fork 10 is enhanced, the safety performance is high, and it is easy to fold and unfold: when it is necessary to ride, the front frame 5 is rotated along the front axle 9 to the stopper 36 position, rotate the lock 8 to the position where it intersects with the front frame 5, so that the locking block 36 generates a pressing force on the front frame 5 so that the front fork 10 and the front frame 5 are fixed; when it needs to be folded During the present invention, the locking center 8 is rotated to a p...
Embodiment 3
[0067] A kind of portable bicycle as described in embodiment 1, its difference is:
[0068] see Figure 4 , 10 and 11, the upper end of the seat post 17 has an inclined end, when the seat post 17 is supported by the seat stay 29, the inclined end of the seat post 17 is horizontally arranged; the vehicle seat 43 includes a seat cushion frame 44 , seat cushion front part 53, seat cushion rear left part 55 and seat cushion rear right part 54, seat cushion frame 44 is connected with the inclined end of seatpost 17 through seat cushion frame shaft 57, seat cushion front part 53, seat cushion The rear left part 55 and the rear right part 54 of the seat cushion are connected with the seat cushion frame 44 through the seat cushion shaft 56 provided on the seat cushion frame 44; The shaft 56 is folded; when opened, the rear right part 54 of the seat cushion and the rear left part 55 of the seat cushion are deployed around the seat cushion axis 56; two arc grooves 68 with the seat cus...
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