CN217730684U

CN217730684U - Chainless bicycle

Info

Publication number: CN217730684U
Application number: CN202221475186.2U
Authority: CN
Inventors: 贾贾
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-04
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a bicycle of no chain, including central triangle girder, the terminal welding of central triangle girder has integrated into one piece's fixed cover, and the internally mounted of fixed cover has the bearing, and the inside of fixed cover is pegged graft through the bearing and is had rotatable eccentric disc, all is provided with fixed free bearing on the terminal both sides outer wall of central triangle girder, and rotates on the fixed free bearing and install long armed lever. The utility model discloses a long armed lever, the running-board, connecting rod and eccentric disc that set up, through lever principle and crank link mechanism, the rear tyre of direct drive bicycle rotates, step on the footboard from top to bottom and will keep power for the rear tyre continuously, adopt this neotype eccentric disc, can reduce knee and ankle bending, do not have friction and wearing and tearing between the traditional bicycle chain, the resistance can be much less than traditional bicycle, and can reduce people's knee and hip bone damage, more importantly does not worry again and falls the condition emergence of chain in the time of the key.

Description

Chainless bicycle

Technical Field

The utility model relates to a bicycle technical field especially relates to a bicycle of no chain.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides a vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. Can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; the bicycle itself is also a sport event, including road bike racing, mountain bike racing, field bike racing, stunt bike racing, and the like.

However, most of the bicycles commonly used in daily life are chain transmission structures, and the bicycle with such a transmission mode is easy to have the phenomenon that the chain slides off during the traveling process, so that the normal driving of the driver is affected, and therefore, a chainless bicycle is urgently needed to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a chainless bicycle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bicycle without chain, includes central triangle girder, the terminal welding of central triangle girder has integrated into one piece's fixed cover, and the internally mounted of fixed cover has a bearing, rotatable eccentric disc has been pegged graft through the bearing in the inside of fixed cover, all be provided with fixed free bearing on the terminal both sides outer wall of central triangle girder, and rotate on the fixed free bearing and install long armed lever, the one end that fixed free bearing was kept away from to long armed lever is provided with the running-board, all be provided with the connecting axle on long armed lever and the eccentric disc, and the transmission is connected with the connecting rod on two connecting axles.

Furthermore, the outer walls of the two sides of the pedal plate are provided with anti-slip grooves, and the outer walls of the two sides of the pedal plate are bonded with anti-slip pads.

Furthermore, the front end of the central triangular main beam is welded with a steering shaft sleeve, the top of the steering shaft sleeve is provided with a handlebar assembly, and the outer wall of the front side of the steering shaft sleeve is fixed with a solar illuminating lamp through a bolt.

Furthermore, the rear portion top welding of center triangle girder has the mobile jib, and the top of mobile jib has the saddle through bolt fixed mounting.

Furthermore, the lower part of the steering shaft sleeve is provided with a front fork, and a front tire is arranged below the front fork.

Furthermore, a rotating shaft is arranged at the center of the eccentric disc, and a rear tire is installed at the tail end of the central triangular main beam through the rotating shaft.

Furthermore, reflective stickers are pasted on the outer walls of the two sides of the central triangular main beam, and a rear reflection lamp located below the saddle is arranged at the rear part of the central triangular main beam.

The utility model has the advantages that:

1. the rear tire of the bicycle is directly driven to rotate through a long arm rod, a pedal, a connecting rod and an eccentric disc, and a lever principle and a crank-connecting rod mechanism, and power can be continuously kept for the rear tire as long as the pedal is stepped up and down.

2. Adopt this neotype eccentric disc, can reduce knee and ankle bending, do not have friction and wearing and tearing between the traditional bicycle chain, the resistance can be far less than traditional bicycle to can reduce people's knee and hip bone damage, more importantly also need not worry again that the condition of falling the chain takes place in the key time.

3. Through the solar illuminating lamp, the reflecting sticker and the back reflecting lamp which are arranged, the safety of riding the bicycle at night is guaranteed, people can enjoy the pleasure brought by the bicycle anytime and anywhere, and the bicycle is not only energy-saving and environment-friendly, but also popular among people.

Drawings

Fig. 1 is a schematic structural view of a chainless bicycle according to the present invention;

fig. 2 is a schematic view of a transmission structure of a chainless bicycle according to the present invention.

In the figure: the solar energy bicycle comprises a central triangular main beam 1, a saddle 2, a steering shaft sleeve 3, a solar energy illuminating lamp 4, a bicycle handle assembly 5, a front fork 6, a front tire 7, a rear tire 8, a rear reflector lamp 9, a reflective sticker 10, a fixed sleeve 11, an eccentric disc 12, a fixed hinged support 13, a long arm rod 14, a pedal 15, a connecting rod 16 and a connecting shaft 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, a chainless bicycle includes a center triangle main beam 1 as a main support core of the bicycle, which may be made of hollow aluminum alloy steel pipes, so as to reduce the self weight of the bicycle, an integrally formed fixing sleeve 11 is welded to the end of the center triangle main beam 1, a bearing is installed inside the fixing sleeve 11, a rotatable eccentric disc 12 is inserted into the fixing sleeve 11 through the bearing, the eccentric disc 12 can rotate inside the fixing sleeve 11 through the bearing, so as to drive the rotation of a rear tire, fixed hinges 13 are installed on the outer walls of both sides of the end of the center triangle main beam 1, a long arm 14 is rotatably installed on the fixed hinges 13, the long arm 14 performs a centering circular motion along the fixed hinges 13, a pedal 15 is installed at one end of the long arm 14 far from the fixed hinges 13, a foot is used by a user to apply an external force to the long arm 14, both the long arm 14 and the eccentric disc 12 are provided with connecting rods 17, and the two connecting rods 17 are rotatably connected to a connecting shaft 16, the continuous rotation of the long arm 14, the power is transmitted to the pedal 15 through the connecting rod 16, so as to keep the continuous and the continuous upward and downward movement of the two connecting rods of the bicycle main beam 1, thereby ensuring the continuous asymmetric power distribution of the connecting rods 16.

Furthermore, the outer walls of the two sides of the pedal plate 15 are provided with anti-slip grooves, and the outer walls of the two sides of the pedal plate 15 are bonded with anti-slip pads, so that the contact tightness between the feet of people and the pedal plate 15 is ensured, and external force can be continuously applied to the pedal plate 15.

Further, the front end welding of center triangle girder 1 has the axle sleeve 3 that turns to, and turns to the top of axle sleeve 3 and be provided with handlebar hand assembly 5, can include the brake in the current bicycle and turn to the handle to be convenient for to the operation of bicycle, turn to and be fixed with solar lamp 4 through the bolt on the front side outer wall of axle sleeve 3, utilize solar energy power generation to save, can ride this bicycle night.

Further, the main rod is welded at the top end of the rear portion of the central triangular main beam 1, the saddle 2 is fixedly mounted at the top end of the main rod through a bolt, the front fork 6 is arranged on the lower portion of the steering shaft sleeve 3, and the front tire 7 is mounted below the front fork 6.

Further, a rotating shaft is arranged at the center of the eccentric disc 12, and a rear tire 8 is mounted at the tail end of the central triangular main beam 1 through the rotating shaft.

Furthermore, reflective sticker 10 is pasted on the outer walls of the two sides of the central triangular main beam 1, and a rear reflective lamp 9 located below the saddle 2 is arranged at the rear part of the central triangular main beam 1, so that the bicycle can be ridden at night.

The working principle is as follows: during the use, people sit on saddle 2, then hold handlebar hand assembly 5 with the hand, then two feet trample respectively on running-board 15, the motion this moment is, the right foot upwards lifts up when the left foot descends, long armed lever 14 moves down along fixed free bearing 13, thereby the drive is installed the connecting rod 16 motion on long armed lever 14 through connecting axle 17, there is connecting rod 16 to drive eccentric disc 12 and is rotatory in the inside of fixed cover 11, thereby it is rotatory to provide continuous power for rear tire 8, thereby the drive bicycle moves forward, this bicycle has abandoned the chain structure of traditional bicycle, more laborsaving, simultaneously more stability, the condition that falls the chain in the time of can not appearing the key.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bicycle without chain, includes central triangle girder (1), its characterized in that, the terminal welding of central triangle girder (1) has integrated into one piece's fixed cover (11), and the internally mounted of fixed cover (11) has a bearing, the inside of fixed cover (11) is pegged graft through the bearing and is had rotatable eccentric disc (12), all be provided with fixed free bearing (13) on the both sides outer wall of central triangle girder (1) end, and rotate on fixed free bearing (13) and install long armed lever (14), the one end that fixed free bearing (13) were kept away from in long armed lever (14) is provided with running-board (15), all be provided with connecting axle (17) on long armed lever (14) and eccentric disc (12), and the transmission is connected with connecting rod (16) on two connecting axles (17).

2. The chainless bicycle of claim 1, wherein the outer walls of both sides of the pedals (15) are provided with anti-slip grooves, and anti-slip pads are adhered to the outer walls of both sides of the pedals (15).

3. The chainless bicycle according to claim 1, wherein a steering shaft sleeve (3) is welded at the front end of the central triangular main beam (1), a handlebar assembly (5) is arranged at the top of the steering shaft sleeve (3), and a solar illuminating lamp (4) is fixed on the outer wall of the front side of the steering shaft sleeve (3) through a bolt.

4. The chainless bicycle according to claim 1, wherein a main rod is welded to the top end of the rear portion of the central triangular main beam (1), and a saddle (2) is fixedly mounted to the top end of the main rod through a bolt.

5. A chainless bicycle according to claim 3, wherein a front fork (6) is provided at a lower portion of the steering sleeve (3), and a front tire (7) is mounted below the front fork (6).

6. The chainless bicycle according to claim 1, wherein a rotating shaft is provided at the center of the eccentric disc (12), and a rear tire (8) is mounted at the end of the central triangular main beam (1) through the rotating shaft.

7. The chainless bicycle according to claim 1, wherein a reflective sticker (10) is adhered to the outer walls of two sides of the center triangular main beam (1), and a rear reflective lamp (9) located below the saddle (2) is arranged at the rear part of the center triangular main beam (1).