CN107176243B

CN107176243B - Inverted bicycle

Info

Publication number: CN107176243B
Application number: CN201710314219.2A
Authority: CN
Inventors: 刘文伟; 刘慎
Original assignee: Jinhua Jinfeiyue Vehicle Co ltd
Current assignee: Jinhua Jinfeiyue Vehicle Co ltd
Priority date: 2017-05-06
Filing date: 2017-05-06
Publication date: 2024-03-01
Anticipated expiration: 2037-05-06
Also published as: CN107176243A

Abstract

The invention provides a reverse riding wheel, and belongs to the technical field of transportation means. The bicycle solves the problems that the existing bicycle is turned by reversing the riding direction, is laborious and easy to turn on one's side, and the like. The invention comprises a front vehicle body, a rear vehicle body and a cross beam, wherein the front vehicle body comprises a front vehicle frame and two front wheels, the rear vehicle body comprises a rear vehicle frame, a saddle, rear wheels and a driving part, one end of the cross beam is fixedly arranged with the rear vehicle frame, the other end of the cross beam is provided with a steering tube, the steering tube is arranged in a forward inclined way, the front vehicle frame comprises a supporting underframe, the middle part of the front vehicle frame is connected with the steering tube in a rotating way, an inverted tripod structure is further arranged between the steering tube and the supporting underframe and comprises a first pull rod, two second pull rods and a connecting piece, the connecting piece is connected with the lower end of the steering tube in a rotating way, one ends of the first pull rod and the second pull rod are connected with the connecting piece, the other ends of the two second pull rods are respectively connected with two sides of the rear part of the supporting underframe, and the other end of the first pull rod is connected with the middle position of the front part of the supporting underframe. The invention has flexible turning and stronger rollover resistance.

Description

Inverted bicycle

Technical Field

The invention belongs to the technical field of transportation means, and particularly relates to a reverse riding bicycle.

Background

At present, the development of vehicles such as automobiles and the like causes urban roads to be particularly crowded, and the generated automobile tail gas is also an important factor of environmental climate change and global warming, so that the purposes of blocking and guaranteeing, energy conservation and emission reduction and good living environment creation are achieved, and the aims pursued by governments and citizens in various large cities at present are achieved, so that the environment-friendly, efficient, safe and comfortable inverted riding tricycle also becomes an important research and development direction. Inverted riding bicycles are often used as dining carts or sanitation carts, and are also used for cargo handling in factories, so that they have wide application.

The existing inverted tricycle generally comprises a front body and a rear body, wherein the front body comprises two front wheels and a handlebar, and the rear body comprises a rear wheel, a pedal driving mechanism and a saddle.

Although the inverted tricycle greatly facilitates the life of people, a plurality of problems still exist: when the vehicle turns, the vehicle cannot lean by itself, the turning is inflexible, the turning purpose is achieved by means of the inclination of the upper body of the human body, the turning is laborious, the use is inconvenient, and the user experience is poor; side turning easily occurs in the course of riding and turning, so that the inverted tricycle is not safe and comfortable enough. The problems are always existed, and corresponding solutions are not proposed by related reports or documents, so that it is necessary to provide a reverse riding tricycle which is flexible in turning, not easy to turn over and safe in use.

Disclosure of Invention

The invention aims to solve the problems of the existing inverted riding tricycles and provides an inverted riding tricycle which has high rollover resistance and flexible turning.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a bike that falls, it includes preceding automobile body and back automobile body, preceding automobile body include preceding frame and two front wheels that set up side by side, back automobile body include back frame, saddle, a rear wheel and drive part that the bike was fallen and is ridden, a serial communication port, back frame and preceding frame are connected through a crossbeam, the one end and the back frame of crossbeam set firmly, the other end is provided with the steering tube, the steering tube leans forward and sets up, preceding frame includes the support chassis that the level set up, support chassis frame connects on two front wheels, and the middle part of support chassis rotates with the upper portion of above-mentioned steering tube to be connected, steering tube and support chassis between still be provided with the structure of falling triangle, the structure of falling triangle include first pull rod, two second pull rods and connecting piece, the connecting piece rotate with the lower extreme of steering tube and be connected, the one end of first pull rod and second pull rod all is connected with the connecting piece, the other end and the rear portion both sides of support chassis are connected respectively, the other end and the front portion intermediate position of support chassis of first pull rod are connected.

The stability of the bicycle body can be increased by arranging the inverted tripod structure, and the side turning of the bicycle during turning of the bicycle is prevented.

In the inverted bicycle, the inverted shadows of the first pull rod and the two second pull rods on the plane are Y-shaped.

In the inverted bicycle, the connecting piece is a middle connecting plate, the lower end of the middle connecting plate is rotationally connected with the lower end of the steering tube and is perpendicular to the steering tube, the connecting points of the first pull rod and the two second pull rods and the middle connecting plate form an isosceles triangle, the central line of the isosceles triangle and the cross beam are on the same plane, the connecting point of the first pull rod and the middle connecting plate is positioned at the vertex angle of the isosceles triangle, and the connecting point of the steering tube and the middle connecting plate is positioned on the central line of the isosceles triangle.

In the inverted bicycle, the supporting underframe is square.

In the inverted bicycle, the inverted bicycle further comprises a handle part, the handle part comprises a U-shaped frame, the U-shaped frame is vertically arranged on one side of the support underframe, which is close to the rear wheel, and a grip is arranged on the upper portion of the U-shaped frame.

In the inverted bicycle, a hopper is further arranged on the supporting underframe.

In the above-mentioned vehicle, the lower part of the U-shaped frame is detachably connected with one side of the hopper close to the rear wheel.

In one inverted bicycle described above, the upper portion of the U-shaped frame is curved in the direction of the rear wheel.

In the inverted bicycle, the steering pipe and the cross beam are arranged on the same surface, and the included angle between the steering pipe and the horizontal plane is 90-179 degrees.

In the inverted bicycle, the included angle between the steering tube and the horizontal plane is 92-130 degrees.

In the inverted bicycle, the inverted bicycle further comprises a front wheel braking device, and the front wheel braking device is a disc brake.

In the inverted bicycle, the driving part is a pedal driving part.

In the above-described inverted bicycle, a damper is further provided between the front frame and the rear frame, and the damper includes a damper main body having a cylindrical housing and a piston rod that is movable in and out of the housing, the damper main body generating a damping force for suppressing relative movement of the piston rod with respect to the housing in an axial direction, the housing being connected to the rear frame, and the piston rod being connected to the front frame. The degree of freedom of the front frame of the vehicle can be suppressed.

Compared with the prior art, the invention is provided with the forward tilting steering tube and the inverted tripod structure, so that the front wheel obtains a downward ground grabbing force when the bicycle is inverted to turn, the whole bicycle body is more stable, the rear bicycle frame can tilt towards the turning direction, and the turning is flexible and labor-saving; the inverted tripod structure comprises a first pull rod and two second pull rods, the three pull rods are arranged to enable the whole front frame to be more stable, and when the vehicle turns, force can be decomposed and cannot gather towards one side of the turning of the vehicle body, so that the whole vehicle body is uniformly stressed, and the vehicle has better rollover resistance.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a portion of the structure of the present invention;

fig. 3 is a schematic view of a part of the structure of the present invention.

In the figure, 1, a front frame; 2. a front wheel; 3. a rear frame; 4. a saddle; 5. a rear wheel; 6. a cross beam; 7. a steering tube; 8. a support chassis; 9. a side frame; 10. a first pull rod; 11. a second pull rod; 12. a middle connecting plate; 13. a U-shaped frame; 14. a grip; 15. a hopper; 16. a buffer; 17. a piston rod.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in FIGS. 1-3, the invention provides a reverse bicycle, which comprises a front bicycle body and a rear bicycle body. The front vehicle body comprises a front frame 1 and two front wheels 2 arranged side by side, the rear vehicle body comprises a rear frame 3, a saddle 4, a rear wheel 5 and a driving part for driving the bicycle to travel backwards, and the driving part is a pedal driving part.

The rear frame 3 and the front frame 1 are connected through a cross beam 6, one end of the cross beam 6 is integrally arranged with the rear frame 3, the other end is provided with a steering tube 7, and the steering tube 7 is arranged in a forward inclined mode.

The steering tube 7 and the cross beam 6 are arranged on the same surface, and the included angle between the steering tube 7 and the horizontal plane is 90-179 degrees. Preferably, the angle between the diverting tube 7 of the invention and the horizontal plane is 92-130.

The front frame 1 comprises a horizontally arranged support chassis 8. The support chassis 8 has a square shape.

The support underframe 8 is connected to the two front wheels 2, side frames 9 are arranged on two sides of the support underframe 8, and the two front wheels 2 are respectively and correspondingly arranged at the side frames 9. The middle part of the supporting underframe 8 is rotationally connected with the upper part of the steering tube 7, and an inverted tripod structure is further arranged between the steering tube 7 and the supporting underframe 8.

The inverted tripod structure comprises a first pull rod 10, two second pull rods 11 and a connecting piece, wherein the connecting piece is rotationally connected with the lower end of the steering tube 7. One end of the first pull rod 10 and one end of the two second pull rods 11 are connected with the connecting piece, the other ends of the two second pull rods 11 are respectively connected with two sides of the rear part (close to the rear wheel 5) of the supporting underframe 8, the other end of the first pull rod 10 is connected with the middle position of the front part of the supporting underframe 8, and the inverted images of the first pull rod 10 and the two second pull rods 11 on a plane are Y-shaped.

The connecting piece is a middle connecting plate 12, and the middle connecting plate 12 is rotationally connected with the lower end of the steering tube 7 and is perpendicular to the steering tube 7.

The connection points of the first pull rod 10 and the two second pull rods 11 with the middle connecting plate 12 form an isosceles triangle, and the central line of the isosceles triangle is on the same plane with the cross beam 6. The connection points of the first pull rods 10 and the middle connecting plates 12 are positioned at the top corners of the isosceles triangles, and the connection points of the two second pull rods 11 and the middle connecting plates 12 are positioned at the two bottom corners of the isosceles triangles. The connection point of the steering tube 7 and the intermediate connecting plate 12 is located on the middle line of the isosceles triangle. The intermediate connection plate 12 in this embodiment has an isosceles triangle shape.

The inverted bike further comprises a handle member comprising a U-shaped frame 13, the U-shaped frame 13 being vertically arranged on one side of the support chassis 8 near the rear wheel 5, the upper part of the U-shaped frame 13 being provided with a grip 14.

As a further development of the invention, the upper part of the U-shaped frame 13 is curved in the direction of the rear wheel 5.

The supporting underframe 8 is also provided with a hopper 15. As a modification of the present invention, the lower portion of the U-shaped frame 13 is detachably connected to the side of the hopper 15 near the rear wheel 5.

The inverted bicycle further comprises a front wheel braking device, and the front wheel braking device is a disc brake.

A damper 16 is further provided between the front frame 1 and the rear frame 3 of the present invention, and the damper 16 includes a damper main body having a cylindrical housing and a piston rod 17 that is movable in and out of the housing, and the damper 16 main body generates a damping force for suppressing relative movement of the piston rod 17 with respect to the housing in the axial direction, the housing is connected to the rear frame 3, and the piston rod 17 is connected to the front frame 1.

It should be understood that in the claims, the specification of the present invention, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The reverse riding bicycle comprises a front bicycle body and a rear bicycle body, wherein the front bicycle body comprises a front bicycle frame and two front wheels which are arranged side by side, the rear bicycle body comprises a rear bicycle frame, a saddle, a rear wheel and a driving part for driving the reverse riding bicycle to move forwards, the reverse riding bicycle is characterized in that the rear bicycle frame and the front bicycle frame are connected through a cross beam, one end of the cross beam is fixedly arranged with the rear bicycle frame, the other end of the cross beam is provided with a steering tube, the steering tube is arranged in a forward tilting way, the front bicycle frame comprises a support underframe which is horizontally arranged, the support underframe is connected with the two front wheels, the middle part of the support underframe is rotationally connected with the upper part of the steering tube, the support underframe is square, a reverse tripod structure is further arranged between the steering tube and the support underframe, the reverse tripod structure comprises a first pull rod, two second pull rods and a connecting piece, the connecting piece is rotationally connected with the lower end of the steering tube, one ends of the first pull rod and the second pull rod are connected with the connecting piece, the other ends of the two second pull rods are respectively connected with two sides of the rear part of the supporting underframe, the other end of the first pull rod is connected with the middle position of the front part of the supporting underframe, the inverted bicycle further comprises a handle part, the handle part comprises a U-shaped frame, the U-shaped frame is vertically arranged on one side of the supporting underframe, which is close to the rear wheel, the inverted image of the first pull rod and the two second pull rods on a plane is Y-shaped, the connecting piece is a middle connecting plate, the lower end of the middle connecting plate is rotationally connected with the lower end of the steering tube and is perpendicular to the steering tube, the connecting points of the first pull rod and the two second pull rods and the middle connecting plate form an isosceles triangle, the central line of the isosceles triangle and the cross beam are positioned on the same plane, the connecting point of the first pull rod and the middle connecting plate is positioned at the vertex angle of the isosceles triangle, the connecting point of the steering tube and the middle connecting plate is positioned on the central line of the isosceles triangle, the included angle between the steering tube and the horizontal plane is 92 degrees or 130 degrees.

2. The inverted bike of claim 1, wherein a hopper is further provided on the support chassis.

3. An inverted bike according to claim 2, wherein the lower part of the U-shaped frame is detachably connected to the side of the hopper adjacent to the rear wheel.

4. An inverted bike according to claim 1 or claim 2, wherein the steering tube is on the same face as the cross beam.

5. A reverse bicycle according to claim 1 or claim 2, further comprising a front wheel brake device, the front wheel brake device being a disc brake.

6. An inverted bike according to claim 1 or 2, wherein a damper is further provided between the front and rear frames, the damper comprising a damper body having a cylindrical housing and a piston rod which is movable in and out of the housing, the damper body generating a damping force for damping relative movement of the piston rod with respect to the housing in an axial direction, the housing being connected to the rear frame, the piston rod being connected to the front frame.