Small-size folding bicycle of high strength
Technical Field
The utility model relates to the technical field of bicycle, especially, relate to a small-size folding bicycle of high strength.
Background
Along with the modernization process, the moving radius of people is also getting larger and larger, and vehicles such as automobiles, buses and subways with high speed and large capacity are more and more, but the defects of driving and going out are that cities are more and more congested, parking is more and more difficult, tail gas pollution is more and more serious, and the oil price is more and more expensive; when a user sits on a bus or a subway to go out, the distance between a home and a work unit and a bus or a subway station is often one to several kilometers, the current bicycle and electric bicycle are inconvenient to carry about, if the user rides the bicycle at two ends, the bicycle is difficult to store and prevent theft, if the user walks, the user generally needs tens of minutes to dozens of minutes, and much time is wasted if the user is tired; therefore, it is desirable to have a bicycle or an electric bicycle that can be folded and carried along or carried along
Patent No. CN204279819U provides a high-strength small-sized folding bicycle, which comprises a front wheel assembly, a rear wheel assembly, a handlebar body, a saddle, a rear fork, and a frame tube connecting the front wheel assembly and the rear wheel assembly; the upper part of the rear end of the frame tube is provided with an upper locking mechanism, the joint end of the rear fork is fixedly connected with the rear wheel assembly, and the upper forked end part of the rear fork is locked with the upper locking mechanism; the lower portion of the frame tube is welded with a connecting tube coaxial with a vehicle center shaft, the middle portion of the connecting tube is sleeved with a center shaft tube, and the lower forked end portion of the rear fork is provided with a rotating sleeve sleeved outside the center shaft tube. The utility model discloses a small-size quick folding bicycle is small, light in weight, is convenient for hand-carry after folding, and convenient trip is from locking simultaneously under user state, can not cause the potential safety hazard because of the dropout.
The above patent also has the following disadvantage 1 that each part of the bicycle cannot be folded quickly and simply, and time is easily wasted when the bicycle is stored, and therefore, a high-strength small-sized folding bicycle is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high strength small-size folding bicycle, the person of riding holds the bicycle tap on the cushion with the hand, both feet step on the running-board and make the front toothed disc rotatory, thereby make the chain drive the rotation of rear toothed disc, thereby make the rear tire rotate, step on in succession and just can make the rear tire continuously rotate, thereby make the bicycle advance, when the bicycle of riding arrives the destination, can twist off fixing bolt at first, remove fixing bolt to the fixing of leading support, rotate leading support, until pressing leading support and getting into the fixed slot on the rubber piece, make accomodating to the bicycle tap, then unscrew bolt A, press the cushion downwards, just can accomodate the cushion support and get into the bicycle support, accomplish accomodating to the bicycle cushion, unscrew bolt B at last, remove bolt B to the fixing of front wheel mounting bracket, just can move the front wheel mounting bracket, make its rotation, inlay the hole inslot that gets into on the front wheel mounting bracket until the screw rod on the bicycle support, rotatory screw rod makes the screw rod fixed with the front wheel mounting bracket to accomplish accomodating of front wheel mounting bracket, can be simple and convenient accomodating the bicycle, not occupation space in the results that do not use, and easily carry, demand when can satisfying daily use is fit for extensively using widely.
The utility model provides a specific technical scheme as follows:
the utility model provides a small-size folding bicycle of high strength, including the bicycle support, the welding of bicycle support one end has U type support, fixedly connected with rotation axis A in the U type support, rotation axis A runs through leading support, U type support surface runs through there is fixing bolt, and U type support and fixing bolt spiral shell are connected, spiral shell is connected with the nut after fixing bolt one end runs through U type support and leading support, leading support top fixedly connected with bicycle tap, U type support bottom fixedly connected with front wheel mounting bracket and fixed block, U type support bottom runs through there is rotation axis B, install the front wheel mounting bracket on the rotation axis B, front wheel mounting bracket bottom installs the front tire, spiral shell is connected with bolt B on the fixed block, bolt B runs through the front wheel mounting bracket, bicycle support top surface fixedly connected with block rubber, the rubber block is provided with a fixing groove, one end of the bicycle support is connected with a cushion support in an embedded mode, a cushion is fixedly connected to the top of the cushion support, and the bottom of the bicycle support is connected with a screw in a screwed mode.
Optionally, one end of the bicycle support is screwed with a bolt a, and one end of the bolt a extends into the bicycle support and is movably connected with the cushion support.
Optionally, the bicycle support is kept away from preceding tire one end and is installed the rear tyre, install the rear gear dish in the rear tyre.
Optionally, a front gear disc is mounted at the bottom end of the bicycle support, and a pedal is connected to the front gear disc in a matching manner.
Optionally, a chain is installed on the front gear disc, and the front gear disc and the rear gear disc are movably connected through the chain.
The utility model has the advantages as follows:
the embodiment of the utility model provides a small-size folding bicycle of high strength:
1. when a riding bicycle arrives at a destination, firstly fixing bolts can be unscrewed, the fixing of the faucet bracket by the fixing bolts is released, the faucet bracket is rotated until the faucet bracket is pressed into a fixed groove on a rubber block, so that the bicycle faucet is stored, then the bolt A is unscrewed, the cushion bracket can be stored into the bicycle bracket by pressing the cushion downwards, the storage of the bicycle cushion is completed, finally the bolt B is unscrewed, the fixing of the bolt B to the front wheel mounting bracket is released, the front wheel mounting bracket can be pulled to rotate until a screw rod on the bicycle bracket is embedded into a hole groove on the front wheel mounting bracket, rotatory screw rod makes the screw rod fixed the front wheel mounting bracket to accomplishing accomodating of front wheel mounting bracket, can be simple and convenient accomodating the bicycle, not occupation space in the results that do not use, and easily carry, demand when can satisfying daily use is fit for extensively using widely.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a high-strength small foldable bicycle according to an embodiment of the present invention;
fig. 2 is a partial schematic structural view of a high-strength small foldable bicycle according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a U-shaped bracket of a high-strength small foldable bicycle according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a rubber block of a high-strength small foldable bicycle according to an embodiment of the present invention.
In the figure: 1. a bicycle handlebar; 2. a faucet mount; 3. fixing the bolt; 4. a rotation axis A; 5. a bicycle rack; 6. a chain; 7. a front tire; 8. a front wheel mounting bracket; 9. a foot pedal; 10. a front gear wheel disc; 11. a rubber block; 12. a cushion; 13. a bolt A; 14. a cushion bracket; 15. a rear tire; 16. a rear gear plate; 17. a fixed block; 18. a bolt B; 19. a rotation axis B; 20. a U-shaped bracket; 21. a nut; 22. fixing grooves; 23. a screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A high-strength small foldable bicycle according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
Referring to fig. 1 and 4, a high-strength small foldable bicycle provided by an embodiment of the present invention includes a bicycle support 5, a U-shaped support 20 welded to one end of the bicycle support 5, a rotation axis a4 fixedly connected to the inside of the U-shaped support 20, a rotation axis a4 penetrating through a handlebar support 2, a fixing bolt 3 penetrating through the surface of the U-shaped support 20, the U-shaped support 20 screwed with the fixing bolt 3, a nut 21 screwed after one end of the fixing bolt 3 penetrates through the U-shaped support 20 and the handlebar support 2, a bicycle handlebar 1 fixedly connected to the top end of the handlebar support 2, a front wheel mounting bracket 8 and a fixing block 17 fixedly connected to the bottom end of the U-shaped support 20, a rotation axis B19 penetrating through the bottom end of the U-shaped support 20, a front wheel mounting bracket 8 mounted on the rotation axis B19, a front tire mounting bracket 7 mounted at the bottom end of the front wheel 8, the spiral shell closes on the fixed block 17 and is connected with bolt B18, bolt B18 runs through in front wheel mounting bracket 8, 5 top fixed surface of bicycle support is connected with block rubber 11, fixed slot 22 has been seted up on block rubber 11, 5 one end of bicycle support is inlayed and is connected with cushion support 14, cushion support 14 top fixedly connected with cushion 12, the spiral shell closes in 5 bottoms of bicycle support and is connected with screw rod 23.
Illustratively, when a riding bicycle arrives at a destination, the fixing bolt 3 can be firstly screwed off, the fixing of the fixing bolt 3 on the tap support 2 is released, the tap support 2 is rotated until the tap support 2 is pressed into the fixing groove on the rubber block 11, so that the bicycle tap 1 is stored, then the bolt A13 is unscrewed, the cushion 12 is pressed downwards, the cushion support 14 can be stored into the bicycle support 5, the storage of the bicycle cushion 12 is completed, finally the bolt B18 is unscrewed, the fixing of the bolt B18 on the front wheel mounting rack 8 is released, the front wheel mounting rack 8 can be pulled to rotate, the screw 23 on the bicycle support 5 is embedded into the hole groove on the front wheel mounting rack 8, the screw 23 is rotated, so that the screw 23 fixes the front wheel mounting rack 8, the storage of the front wheel mounting rack 8 is completed, and the bicycle can be simply and conveniently stored, the harvesting machine does not occupy space when not used, is easy to carry, can meet the requirement in daily use, and is suitable for wide popularization and use.
Referring to fig. 1, a bolt a13 is threadedly attached to one end of the bicycle frame 5, and one end of the bolt a13 extends into the bicycle frame 5 to movably couple with the seat cushion frame 14.
Illustratively, the seat cushion bracket 14 can be received into the bicycle frame 5 by loosening the bolt A13 and pressing the seat cushion 12 downward.
Referring to fig. 1, a rear tire 15 is mounted on the end of the bicycle frame 5 away from the front tire 7, and a rear gear plate 16 is mounted in the rear tire 15.
Illustratively, the rear wheel gear 16 may be caused to rotate the rear tire 15 by a mechanical transmission.
Referring to fig. 1, a front gear disc 10 is mounted at the bottom end of the bicycle frame 5, and a pedal 9 is connected to the front gear disc 10 in a matching manner.
Illustratively, a rider sits on the seat cushion 12 and holds the bicycle handlebar 1 in his or her hands, and steps on the pedals 9 with both feet to rotate the front gear plate 10.
Referring to fig. 1, a chain 6 is mounted on the front gear disc 10, and the front gear disc 10 and the rear gear disc 16 are movably connected through the chain 6.
Illustratively, the chain 6 rotates the rear sprocket 16, thereby rotating the rear tire 15, and continued pedaling causes the rear tire 15 to continue to rotate, thereby advancing the bicycle.
When the bicycle is used, a rider sits on the seat cushion 12 and holds the bicycle tap 1 with hands, pedals 9 are stepped by two feet to rotate the front gear disc 10, so that the chain 6 drives the rear gear disc 16 to rotate, the rear tire 15 rotates, the rear tire 15 can continuously rotate by continuous stepping, the bicycle can move forwards, when the riding bicycle arrives at a destination, the fixing bolt 3 can be firstly screwed off, the fixing of the fixing bolt 3 on the tap support 2 is released, the tap support 2 is rotated until the tap support 2 is pressed into the fixing groove on the rubber block 11, so that the bicycle tap 1 is stored, then the bolt A13 is unscrewed, the seat cushion support 14 can be stored into the bicycle support 5 by pressing the seat cushion 12 downwards, the bicycle seat cushion 12 is stored, the bolt B18 is finally unscrewed, the bolt B18 is released from fixing the front wheel mounting frame 8, and the front wheel mounting frame 8 can be pulled, make its rotation, until the screw rod 23 on bicycle support 5 inlays and gets into the hole inslot on the front wheel mounting bracket 8, rotatory screw rod 23 makes screw rod 23 fixed with front wheel mounting bracket 8 to accomplish accomodating front wheel mounting bracket 8, can be simple and convenient accomodate the bicycle, do not occupation space at the results that do not use, and easily carry, demand when can satisfying daily use is fit for extensively using widely.
The utility model relates to a high strength small folding bicycle, which comprises a bicycle handle 1; 2. a faucet mount; 3. fixing the bolt; 4. a rotation axis A; 5. a bicycle rack; 6. a chain; 7. a front tire; 8. a front wheel mounting bracket; 9. a foot pedal; 10. a front gear wheel disc; 11. a rubber block; 12. a cushion; 13. a bolt A; 14. a cushion bracket; 15. a rear tire; 16. a rear gear plate; 17. a fixed block; 18. a bolt B; 19. a rotation axis B; 20. a U-shaped bracket; 21. a nut; 22. fixing grooves; 23. the screw and the components are all standard parts or parts known to those skilled in the art, and the structure and principle of the screw and the components are known to those skilled in the technical manual or by routine experiments.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.