CN217260528U

CN217260528U - Single-foot driven bicycle

Info

Publication number: CN217260528U
Application number: CN202220908882.1U
Authority: CN
Inventors: 钭俊龙
Original assignee: Zhejiang Qunying Vehicles Co Ltd
Current assignee: Zhejiang Qunying Vehicles Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-23
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a single-foot drive bicycle belongs to bicycle technical field, and aim at overcomes current bicycle can only two foot driven defects. The bicycle comprises a frame, a flywheel with a rear wheel and the rear wheel coaxial, a pedal assembly capable of reciprocating up and down is arranged on the frame, a transmission part can be arranged on the frame in a swinging mode, the transmission part is in transmission connection with the flywheel, the pedal assembly is connected with the transmission part to drive the transmission part to swing, and a return part enabling the pedal assembly to move upwards is arranged between the pedal assembly and the frame. The pedal assembly is trampled to the single foot, and the driving medium drives the rear wheel and rotates to first direction swing, and pedal assembly is released to both feet, and under the effect of return piece, pedal assembly return drives the driving medium and to the swing of second direction, drives the flywheel idle running, and pedal assembly is trampled to reciprocating like this, just can drive the bicycle, and the drive operation just can be accomplished to single foot, and the user that is convenient for a foot is not convenient for relapse and bends uses.

Description

Single-foot driven bicycle

Technical Field

The utility model belongs to the technical field of the bicycle, a single foot drive bicycle is related to.

Background

The existing bicycle is characterized in that two pedals are treaded by two feet to enable a fluted disc to do circular motion, the fluted disc drives a flywheel through a chain, and the flywheel drives a rear wheel, so that the bicycle runs. However, the bicycle needs to be pedaled by force by both feet in turn, the joints of both feet are kept in a healthy state to ride the bicycle, and the use of the bicycle by a user with injured joints of one foot is not facilitated.

Disclosure of Invention

The utility model discloses the problem to prior art existence provides a single-foot drive bicycle, and aim at overcomes current bicycle can only both feet driven defect.

The utility model discloses a realize like this:

a single-foot driven bicycle comprises a frame, a rear wheel and a flywheel coaxial with the rear wheel, and is characterized in that a pedal assembly capable of moving up and down in a reciprocating mode is arranged on the frame, a transmission part can be arranged on the frame in a swinging mode, the transmission part is in transmission connection with the flywheel, the pedal assembly is connected with the transmission part to drive the transmission part to swing, and a return part enabling the pedal assembly to move upwards is arranged between the pedal assembly and the frame. The pedal assembly is trampled to the single foot, and the driving medium drives the rear wheel and rotates to first direction swing, and pedal assembly is released to both feet, and under the effect of return piece, pedal assembly return drives the driving medium and to the swing of second direction, drives the flywheel idle running, and pedal assembly is trampled to reciprocating like this, just can drive the bicycle, and the drive operation just can be accomplished to single foot, and the user that is convenient for a foot is not convenient for relapse and bends uses.

Preferably, the pedal assembly is connected to the frame in a vertically swinging manner, or the pedal assembly is connected to the frame in a vertically moving manner. The up-and-down swinging and the up-and-down movement can enable the pedal assembly to move up and down in a reciprocating manner, the position where the pedal assembly is connected with the transmission piece moves downwards by stepping on the pedal, the position where the pedal assembly is connected with the transmission piece moves upwards by the return piece, and the driving operation can be finished by only one foot.

Preferably, the pedal assembly comprises a movable rod and a pedal member detachably fixed to the movable rod, and the movable rod is hinged to the frame. On multi-functional driven bicycle, when need not trample the piece, can dismantle the piece of trampling, avoid trampling the space of standing that the piece occupy the user, improve the travelling comfort. In other alternatives, the tread element may be integrally connected to the movable bar.

Preferably, the movable rod passes through the connecting rod with the driving medium is connected, the connecting rod is connected at the connection position of movable rod, the movable rod is including articulating the articulated position on the frame, the connection position be located step on the piece with between the articulated position. Therefore, the treading piece is far away from the hinge position, so that the operation is more labor-saving.

Preferably, the return piece is connected to a mounting position of the movable rod, and the mounting position is located at an end part close to the stepping piece. Therefore, the installation position is far away from the hinge position, and the elastic force of the return piece can generate larger moment, so that the pedal assembly is convenient to return.

Preferably, the movable rod includes pedal section and hand section, step on the piece and connect in pedal section, set up the crank in the hand section, pedal section with the juncture of hand section articulates on the frame. The user can control the movable rod to swing through the hand crank, and the user can use both hands and feet, and also can switch between hands and feet to drive the bicycle.

Preferably, the pedal section inclines upwards from the hinge position to the direction of the pedal part, and the pedal section and the hand cranking section are mutually vertical. The pedal part is stepped on to the foot makes and steps on the part and mainly does the ascending swing of upper and lower side, and the operation of hand to the rocking handle is mainly push-and-pull, and the application of force direction region of trick is perpendicular, and pedal section and hand section mutually perpendicular can reduce offsetting of trick application of force, and when the trick is used simultaneously, superpose both's power more effectively.

Preferably, the transmission part comprises a connecting section and a transmission section, the connecting section is connected with the pedal assembly, the transmission section is sector-shaped and is provided with transmission teeth, and the transmission section is in transmission connection with the flywheel. Because the transmission part is swinging, the transmission section is in a fan shape, the overall appearance of the transmission part can be reduced, the interference of the transmission part and the frame is avoided, and the installation flexibility of the transmission part is improved. In other alternatives, the transmission member may be a circular toothed disc.

Preferably, the transmission member and the flywheel are in transmission connection through a gear, and the gear is rotationally connected to the frame. The gear has higher transmission efficiency and reduces idle stroke. In other alternatives, a chain drive may also be used.

Preferably, set up the front fork on the frame, set up the front wheel on the front fork, fixed handlebar on the front fork, the portion of gripping has alone on the handlebar, the portion of gripping is directly over the front wheel, be fixed with the platform of standing on the frame, the frame includes the stand, the upper end of stand sets up the saddle that can overturn, pedal assembly is in the stand with between the rear wheel. The user can stand on the standing platform on one side of the frame, stand on the standing platform with one foot, operate the treading piece with one hand on the holding part and hold on the saddle or the hand-cranking piece with one hand.

The utility model provides a single foot drive bicycle, pedal subassembly is trampled to the single foot, the driving medium swings to the first direction, drive the rear wheel and rotate, both feet release pedal subassembly, under the effect of return piece, pedal subassembly return drives the driving medium and swings to the second direction, drive the flywheel idle running, reciprocal pedal subassembly of trampling like this just can drive the bicycle, the drive operation just can be accomplished to single foot, the user of being convenient for recurrently crooked is not convenient for use.

Drawings

FIG. 1 is a schematic structural view of a bicycle;

FIG. 2 is a partial schematic structural view of the bicycle;

fig. 3 is a schematic structural view of the pedal assembly with hand crank.

Reference is made to the accompanying drawings in which: 100. a frame; 110. installing a box; 120. a column; 130. a vehicle seat; 140. a standing platform; 200. a rear wheel; 210. a motor; 220. a flywheel; 300. a footrest assembly; 310. a return member; 320. a movable rod; 321. a connection site; 322. a hinge position; 323. mounting positions; 324. a pedal section; 325. a hand-cranking section; 330. a tread member; 340. a crank handle; 400. a transmission member; 410. a connecting section; 420. a transmission section; 500. a front fork; 510. a support; 600. a front wheel; 700. a connecting rod; 800. a gear; 900. a handlebar; 910. a holding part.

Detailed Description

The following detailed description is made of specific embodiments of the present invention with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and master. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3, a bicycle driven by one foot comprises a frame 100, a flywheel 220 coaxially arranged with a rear wheel 200 and a rear wheel 200, wherein a pedal assembly 300 capable of reciprocating up and down is arranged on the frame 100, a transmission member 400 is arranged on the frame 100 in a swinging manner, the transmission member 400 is in transmission connection with the flywheel 220, the pedal assembly 300 is connected with the transmission member 400 to drive the transmission member 400 to swing, and a return member 310 for enabling the pedal assembly 300 to move upwards is arranged between the pedal assembly 300 and the frame 100. The pedal assembly 300 is trampled by a single foot, the transmission member 400 swings towards the first direction to drive the rear wheel 200 to rotate, the pedal assembly 300 is released by two feet, the return member 310 is a spring, the pedal assembly 300 returns to drive the transmission member 400 to swing towards the second direction under the action of the return member 310 to drive the flywheel 220 to idle, the pedal assembly 300 is trampled in a reciprocating manner to drive a bicycle, the single foot can complete driving operation, and the pedal assembly is convenient for a user who is inconvenient to repeatedly bend to use. As shown in FIG. 2, the returning member 310 may directly act between the footrest assembly 300 and the frame 100, and in other alternative embodiments, the returning member 310 may indirectly act between the footrest assembly 300 and the frame 100, such as a torsion spring installed between the transmission member 400 and the workshop, which brings the footrest assembly 300 to return when the transmission member 400 is returned, which is also the case when the torsion spring is disposed between the footrest assembly 300 and the frame 100.

The pedal assembly 300 is connected to the frame 100 in a vertically swinging manner, in other alternative embodiments, the pedal assembly 300 is connected to the frame 100 in a vertically moving manner, for example, slide rails are installed on the frame 100, slide grooves are provided on the pedal assembly 300, and the slide rails and the slide grooves are slidably engaged to enable the pedal assembly 300 to move vertically along the slide rails of the frame 100. The up-and-down swinging and up-and-down movement can make the pedal assembly 300 move up and down in a reciprocating manner, the position where the pedal assembly 300 is connected with the transmission member 400 moves downwards by stepping on the pedal, the position where the pedal assembly 300 is connected with the transmission member 400 moves upwards by the return member 310, and the driving operation can be finished by a single foot. A ratchet mechanism is arranged between the rear wheel and the flywheel, and the ratchet mechanism is consistent with the bicycle in the prior art.

As shown in fig. 2 to 3, the footrest assembly 300 includes a movable bar 320 and a footrest member 330 detachably fixed to the movable bar 320, and the movable bar 320 is hinged to the frame 100. On multi-functional driven bicycle, when need not trample piece 330, can dismantle with trampling piece 330, avoid trampling piece 330 and occupy user's the space of standing, improve the travelling comfort. In other alternatives, the tread 330 may be integrally connected to the movable bar 320.

In this embodiment, the front fork 500 is disposed on the frame 100, the front wheel 600 is disposed on the front fork 500, the bracket 510 is mounted on the front fork 500, and the sail can be mounted on the bracket 510, so that the bicycle can be ridden with assistance of wind power. The bicycle frame 100 is provided with the mounting box 110, the controller and the battery are arranged in the mounting box 110, the handlebar 900 is fixed on the front fork 500, the rotating handle is mounted on the handlebar 900 and connected with the controller, and the controller is connected with the motor 210 of the rear wheel 200, so that the bicycle can be electrically assisted.

As shown in fig. 2 and 3, the movable rod 320 is connected to the transmission member 400 through a connecting rod 700, the connecting rod 700 is connected to a connecting position 321 of the movable rod 320, the movable rod 320 includes a hinge position 322 hinged to the frame 100, and the connecting position 321 is located between the treading member 330 and the hinge position 322. This allows the treading member 330 to be spaced further from the hinge 322, which results in less effort.

The return member 310 is connected to a mounting position 323 of the movable rod, and the mounting position 323 is located near an end of the stepping member 330. Thus, the elastic force of the returning member 310 can generate a greater moment for the footrest assembly 300 to return when the mounting portion 323 is spaced apart from the hinge portion 322.

The movable rod includes pedal section 324 and hand section 325, step on piece 330 and connect pedal section 324, set up crank 340 on the hand section 325, pedal section 324 with the juncture of hand section 325 articulates on frame 100. The user can control the movable rod 320 to swing through the hand crank 340, and the user can use the hand and the foot simultaneously or can switch the hand and the foot to drive the bicycle.

The foot section 324 is inclined upward from the hinge 322 toward the foot member 330, and the foot section 324 and the hand section 325 are perpendicular to each other. The treading member 330 is treaded by the foot, so that the treading member 330 mainly swings up and down, the hand mainly pushes and pulls the crank 340, the force application direction area of the hand and the foot is vertical, the treading section 324 and the hand cranking section 325 are vertical to each other, the offset of the force application of the hand and the foot can be reduced, and when the hand and the foot are used together, the force of the hand and the foot can be effectively superposed.

The transmission member 400 includes a connection section 410 and a transmission section 420, the connection section 410 is connected to the pedal assembly 300, the transmission section 420 is fan-shaped and has transmission teeth, and the transmission section 420 is in transmission connection with the flywheel 220. Since the transmission member 400 is swung, it is sufficient that the transmission section 420 has a fan shape, so that the overall appearance of the transmission member 400 can be reduced, interference between the transmission member 400 and the frame 100 can be avoided, and the flexibility in mounting the transmission member 400 can be improved. In other alternatives, the transmission member 400 may be a circular toothed disc.

The transmission member 400 is in transmission connection with the flywheel 220 through a gear 800, and the gear 800 is rotatably connected to the frame 100. The gear 800 has high transmission efficiency and reduces idle stroke. In other alternatives, a chain drive may also be used.

The handlebar 900 is provided with a single holding part 910, the holding part 910 is positioned right above the front wheel 600, the standing platform 140 is fixed on the frame 100, the frame 100 comprises a stand column 120, and the upper end part of the stand column 120 is provided with a reversible seat 130. The user can stand on the standing platform 140 on one side of the frame 100, stand on the standing platform 140 with one foot, operate the treading member 330 with one hand on the holding part 910, and hold on the saddle 130 or the hand-shaking member with one hand. The saddle 130 can be turned to a seating state, and a user can sit on the saddle 130, and when the user stands on the standing stand 140 for side, adjust the saddle 130 to an upright state as shown in fig. 1, reducing a lateral occupied space of the saddle 130. The pedal assembly 300 is located between the upright post 120 and the rear wheel 200, so that the pedal assembly 300 and the transmission member 400 can be closer to the flywheel 220, the number of transmission of the gears 800 is reduced, and the pedal member 330 is located at the rear end of the standing platform 140, so that a user can conveniently operate the rear wheel 200 by the foot close to the rear wheel.

Claims

1. A single-foot-driven bicycle comprises a frame (100), a rear wheel (200) and a flywheel (220) coaxial with the rear wheel (200), and is characterized in that a pedal assembly (300) capable of moving up and down in a reciprocating mode is arranged on the frame (100), a transmission piece (400) can be arranged on the frame (100) in a swinging mode, the transmission piece (400) is in transmission connection with the flywheel (220), the pedal assembly (300) is connected with the transmission piece (400) to drive the transmission piece (400) to swing, and a return piece (310) enabling the pedal assembly (300) to move upwards is arranged between the pedal assembly (300) and the frame (100).

2. A bicycle driven by one foot according to claim 1, characterized in that the pedal assembly (300) is connected to the frame (100) in a manner of swinging up and down, or the pedal assembly (300) is connected to the frame (100) in a manner of moving up and down.

3. A bicycle, according to claim 1, characterized in that said pedal assembly (300) comprises a movable lever (320) and a pedal member (330) removably fixed to said movable lever (320), said movable lever (320) being hinged to said frame (100).

4. A bicycle according to claim 3, wherein said movable lever (320) is connected to said transmission member (400) by means of a connecting rod (700), said connecting rod (700) being connected to a connecting point (321) of said movable lever (320), said movable lever (320) comprising a hinge point (322) hinged to said frame (100), said connecting point (321) being located between said tread element (330) and said hinge point (322).

5. A bicycle according to claim 3, characterised in that said return member (310) is connected to a mounting location (323) of the movable lever, said mounting location (323) being located near the end of said tread member (330).

6. A single foot driven bicycle according to claim 3, wherein said movable rod comprises a pedal section (324) and a hand-cranking section (325), said pedal member (330) is connected to said pedal section (324), said hand-cranking section (325) is provided with a hand crank (340), and the junction of said pedal section (324) and said hand-cranking section (325) is hinged to said frame (100).

7. A bicycle according to claim 6, wherein the pedal section (324) is inclined upwards from the hinge (322) towards the pedal member (330), the pedal section (324) and the hand section (325) being perpendicular to each other.

8. A bicycle according to any one of claims 1-7, wherein the transmission member (400) comprises a connecting section (410) and a transmission section (420), the connecting section (410) being connected to the pedal assembly (300), the transmission section (420) being sector-shaped and having transmission teeth, the transmission section (420) being in transmission connection with the flywheel (220).

9. A bicycle according to any of claims 1-7, characterised in that the transmission member (400) and the flywheel (220) are drivingly connected by means of a gear wheel (800), the gear wheel (800) being rotationally connected to the frame (100).

10. A bicycle as claimed in any one of claims 1 to 7, wherein the frame (100) is provided with a front fork (500), the front fork (500) is provided with a front wheel (600), the front fork (500) is fixed with a handlebar (900), the handlebar (900) is provided with a single grip (910), the grip (910) is positioned right above the front wheel (600), the frame (100) is fixed with a standing platform (140), the frame (100) comprises a stand (120), the upper end of the stand (120) is provided with a reversible saddle (130), and the pedal assembly (300) is positioned between the stand (120) and the rear wheel (200).