CN209051545U - A kind of portable bicycle - Google Patents

Abstract

The utility model relates to technical field of bicycles, more particularly to a kind of portable bicycle, solve disadvantage inconvenient to carry when existing in the prior art pack up, including front frame, Rear frame, wheel, chain wheel, pedal and retracting device, the side of the front frame is connected with chain wheel, the side of chain wheel is movably set with pedal, the other side of chain wheel is connected with Rear frame, one end of Rear frame is welded with mounting ring, the centre of mounting ring is equipped with wheel by shaft, and the bottom end side of front frame is equipped with wheel also by shaft, retracting device is connected between the front frame and Rear frame, retracting device includes fixed ring, first strut and the second strut, the utility model structure is simple, it is easy to use, it conveniently holds when carrying, while front frame tends to the parallel bicycle that is designed as with Rear frame and likes Good person provides new experience.

Description

A kind of portable bicycle

Technical field

The utility model relates to technical field of bicycles more particularly to a kind of portable bicycles.

Background technique

Portable bicycle belongs to a classification of bicycle, and general folded bicycle has vehicle frame folding joint and standpipe to fold pass Section is constituted, and together by front and back two-wheeled doubling can reduce by 45% or so length by vehicle frame folding.But general folding is certainly Driving all only by front and back two-wheeled doubling together, and as in terms of holding carrying not specific supplementary structure, this is just So that when carrying, some are laborious, and inconvenient operation.

Utility model content

Purpose of the utility model is to solve disadvantages inconvenient to carry when existing in the prior art pack up, and mention A kind of portable bicycle out.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of portable bicycle, including front frame, Rear frame, wheel, chain wheel, pedal and retracting device, before described The side of vehicle frame is connected with chain wheel, and the side of chain wheel is movably set with pedal, after the other side of chain wheel is connected with Vehicle frame, one end of Rear frame are welded with mounting ring, and the centre of mounting ring is equipped with wheel by shaft, and front frame Bottom end side is equipped with wheel also by shaft, is connected with retracting device between the front frame and Rear frame；

The retracting device includes fixed ring, the first strut and the second strut, and the two sides of fixed ring are movably set with respectively The side of first strut and the second strut, the first strut and the second strut passes through movable bolt and is equipped with mounting rod, and fixed Fixed block is welded with inside the two sides of ring, mounting rod is fixed on the side of fixed block by lock-screw.

Preferably, the front frame includes handle bar and the first motion bar, and the intermediate side of handle bar is by being welded and fixed There is the first motion bar, the other end of the first motion bar is movably set in the side of chain wheel.

Preferably, the Rear frame includes the second motion bar, cushion and back seat bar, and the side of the second motion bar passes through welding It is fixed with cushion, the side of cushion is by being welded with back seat bar, and the upper surface of cushion is cased with the soft set of cushion, the second activity One end of bar is movably set in the other side of chain wheel.

Preferably, the upper end of the fixed ring is cased with gum sleeve, and the inner wall upper end of fixed ring is by being welded and fixed There is convex block, the material of convex block is silica gel.

Preferably, fixed block is welded with inside the two sides of the fixed ring, the inside of fixed block offers fixation hole, peace Dress bar is fixed on the fixation hole side of fixed block by lock-screw.

The beneficial effects of the utility model are:

1, the utility model is adjusted in the two sides activity of fixed ring using the first strut and the second strut, goes to horizontal position It can be easily when front frame and Rear frame can be made to possess a support shaft after deployment by locking mounting rod when setting, and packed up It is held on the position of gum sleeve for user around convex block, so that carrying more convenient.

2, the utility model structure is simple, easy to use, and front frame tends to the parallel bicycle that is designed as with Rear frame and likes Good person provides new experience.

Easy to use in conclusion the utility model structure is simple, when carrying, conveniently holds, while front frame and rear car The cycling enthusiast that is designed as that frame tends to be parallel provides new experience.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of portable bicycle structural schematic diagram；

Fig. 2 be the utility model proposes a kind of portable bicycle front frame structure schematic diagram；

Fig. 3 be the utility model proposes a kind of portable bicycle rear cycle frame structure schematic diagram；

Fig. 4 be the utility model proposes the retracting device of portable bicycle a kind of pack up when structural schematic diagram；

Fig. 5 be the utility model proposes a kind of portable bicycle retracting device expansion when structural schematic diagram.

In figure: 1 front frame, 11 handle bars, 12 first motion bars, 2 Rear frames, 21 second motion bars, 22 cushions, 23 back seats It is bar, 3 wheels, 4 chain wheels, 5 pedals, 6 retracting devices, 61 fixed rings, 62 first struts, 63 second struts, 64 fixed blocks, 7 convex Block, 8 gum sleeves, 9 mounting rods.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Person implicitly includes one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than a, unless otherwise specifically defined.

Referring to Fig.1-5, a kind of portable bicycle, including front frame 1, Rear frame 2, wheel 3, chain wheel 4,5 and of pedal Retracting device 6, the side of front frame 1 are connected with chain wheel 4, and the side of chain wheel 4 is movably set with pedal 5, chain wheel 4 it is another Side is connected with Rear frame 2, and one end of Rear frame 2 is welded with mounting ring, and the centre of mounting ring is installed by shaft There is wheel 3, and the bottom end side of front frame 1 is equipped with wheel 3 also by shaft, connects between front frame 1 and Rear frame 2 There is a retracting device 6, retracting device 6 is to be convenient for carrying after packing up, and front frame 1 includes handle bar 11 and the first motion bar 12, The intermediate side of handle bar 11 is to adjust front frame for convenience by being welded with the first motion bar 12, the first motion bar 12 1 state (pack up or be unfolded), the other end of the first motion bar 12 are movably set in the side of chain wheel 4, and Rear frame 2 includes the Two motion bars 21, cushion 22 and back seat bar 23, the side of the second motion bar 21 is by being welded with cushion 22, the second motion bar 21 be for convenience adjust Rear frame 2 state (pack up or be unfolded), the side of cushion 22 by being welded with back seat bar 23, And the upper surface of cushion 22 is cased with the soft set of cushion, and one end of the second motion bar 21 is movably set in the other side of chain wheel 4；

Retracting device 6 includes fixed ring 61, the first strut 62 and the second strut 63, and activity is set respectively for the two sides of fixed ring 61 It is equipped with the first strut 62 and the second strut 63, the first strut 62 and the second strut 63 are to drive front frame 1 and rear car respectively Frame 2 is adjusted, and the side of the first strut 62 and the second strut 63 passes through movable bolt and is equipped with mounting rod 9, mounting rod 9 be for It is fixed when facilitating expansion, and is welded with fixed block 64 inside the two sides of fixed ring 61, fixed block 64 is for side Just the fixation of mounting rod 9, the inside of fixed block 64 offer fixation hole, and mounting rod 9 is fixed on fixed block 64 by lock-screw Fixation hole side, the upper end of fixed ring 61 is cased with gum sleeve 8, and gum sleeve 8 is that hand directly holds fixed ring in order to prevent 61 abrasion hand skins, and the inner wall upper end of fixed ring 61 is to hold progress for convenience by being welded with convex block 7, convex block 7 It carries, the material of convex block 7 is silica gel.

Embodiment one when packing up, is unscrewed the lock-screw that bar 9 and fixed block 64 is fixedly mounted first and is removed, mounting rod 9 It goes back to, the first strut 62 and the second strut 63 are along the track of fixed ring 61 to intermediate rotated down, the first strut 62 and second Strut 63 is synchronous in the rotation to drive front frame 1 and Rear frame 2 to draw close and pack up to centre respectively, when the first strut 62 and the Two struts 63 are gone to when being close together, and the position that the palm of the hand is attached to convex block 7 and is held in where gum sleeve 8 carries out after can packing up It carries.

Wheel 3 when expansion, is stood on ground by embodiment two, and front frame 1 and Rear frame 2 are unfolded to two sides respectively, make it The first strut 62 and the second strut 63 is driven to rotate along the track of fixed ring 61 to two upper sides respectively, when 62 He of the first strut When second strut 63 goes to the side of fixed block 64 respectively, the first strut 62 and the second strut 63 at this time is in horizontality, Then rotational installation bar 9 makes the fixation hole of the screw hole alignment and fixation block 64 of one end, is inserted into lock-screw rotation and tightens Fixation, the first strut 62, fixed ring 61 and the second strut 63 at this time are equivalent to the support of front frame 1 Yu Rear frame 2 Beam.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of portable bicycle, including front frame (1), Rear frame (2), wheel (3), chain wheel (4), pedal (5) and receipts Lifting device (6), which is characterized in that the side of the front frame (1) is connected with chain wheel (4), and the side activity of chain wheel (4) is set It is equipped with pedal (5), the other side of chain wheel (4) is connected with Rear frame (2), and one end of Rear frame (2) is welded with peace Ring is filled, the centre of mounting ring is equipped with wheel (3) by shaft, and the bottom end side of front frame (1) is installed also by shaft Have wheel (3), is connected with retracting device (6) between the front frame (1) and Rear frame (2)；

The retracting device (6) includes fixed ring (61), the first strut (62) and the second strut (63), the two sides of fixed ring (61) It is movably set with the first strut (62) and the second strut (63) respectively, the side of the first strut (62) and the second strut (63) is logical It crosses movable bolt to be equipped with mounting rod (9), and is welded with fixed block (64) inside the two sides of fixed ring (61), mounting rod (9) The side of fixed block (64) is fixed on by lock-screw.

2. a kind of portable bicycle according to claim 1, which is characterized in that the front frame (1) includes handle bar (11) and the first motion bar (12), by being welded with the first motion bar (12), first is living for the intermediate side of handle bar (11) The other end of lever (12) is movably set in the side of chain wheel (4).

3. a kind of portable bicycle according to claim 1, which is characterized in that the Rear frame (2) includes second living Lever (21), cushion (22) and back seat bar (23), the side of the second motion bar (21) is by being welded with cushion (22), cushion (22) side is by being welded with back seat bar (23), and the upper surface of cushion (22) is cased with the soft set of cushion, the second motion bar (21) one end is movably set in the other side of chain wheel (4).

4. a kind of portable bicycle according to claim 1, which is characterized in that the upper end of the fixed ring (61) is cased with Gum sleeve (8), and the inner wall upper end of fixed ring (61), by being welded with convex block (7), the material of convex block (7) is silicon Glue.

5. a kind of portable bicycle according to claim 1, which is characterized in that inside the two sides of the fixed ring (61) It is welded with fixed block (64), the inside of fixed block (64) offers fixation hole, and mounting rod (9) is fixed on by lock-screw Determine the fixation hole side of block (64).