CN106965902B

CN106965902B - Improved bicycle

Info

Publication number: CN106965902B
Application number: CN201710266747.5A
Authority: CN
Inventors: 王梦虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-21
Filing date: 2017-04-21
Publication date: 2023-06-30
Anticipated expiration: 2037-04-21
Also published as: CN106965902A

Abstract

The invention relates to the field of bicycles, in particular to an improved bicycle. An improved bicycle comprises a frame and a rear wheel arranged at the rear end of the frame, wherein a first toothed disc is arranged on one side of the frame, a second toothed disc is arranged on one side of the frame, and the first toothed disc is in transmission connection with the second toothed disc; the other side of the frame is provided with a third dental disk, the second dental disk passes through the frame and synchronously rotates with the third dental disk, the other side of the frame is provided with a fourth dental disk, the third dental disk is in transmission connection with the fourth dental disk, and the fourth dental disk synchronously rotates with the rear wheel. The invention aims to provide an improved bicycle, which can tread the bicycle with smaller force without changing riding habits of modern people to a great extent, can travel a longer distance and can adjust different treading modes according to different conditions.

Description

Improved bicycle

Technical Field

The invention relates to the field of bicycles, in particular to an improved bicycle.

Background

The development of the bicycle is long, and the bicycle is one of the most successful man-power machinery inventions in the human society at present, and the bicycle can be driven to move forward for a long distance with small force by stepping on pedals. The most common bicycles at present are mountain bicycles and highway bicycles, the cross section of the wheels of the mountain bicycle is larger, the mountain bicycle is suitable for running on a rugged bottom surface, but the wheels of the mountain bicycle are smaller, and the riding speed is slower; the wheels of the road bicycle have smaller cross sections and larger wheels, and are suitable for riding on stable urban roads. However, the design of the existing bicycle is generally the same shape, the toothed disc is driven to rotate by stepping on the pedal, and the toothed disc drives the flywheel at one side of the rear wheel, so that the rear wheel is driven to rotate.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the invention aims to provide an improved bicycle, which can be stepped on with smaller force to drive a bicycle for a longer distance without changing riding habits of modern people to a great extent, and can adjust different stepping modes according to different conditions.

The invention is realized by the following technology:

an improved bicycle comprises a frame and a rear wheel, wherein a first toothed disc is arranged on one side of the frame, a second toothed disc is also arranged on one side of the frame, and the first toothed disc is in transmission connection with the second toothed disc; the other side of the frame is provided with a third dental disk, the second dental disk passes through the frame and synchronously rotates with the third dental disk, the other side of the frame is provided with a fourth dental disk, the third dental disk is in transmission connection with the fourth dental disk, and the fourth dental disk synchronously rotates with the rear wheel; the crank is synchronously rotated with the first dental tray; the telescopic device also comprises a telescopic rod and a position-adjustable fixer, wherein one end of the telescopic rod is connected with the fixer, and both sides of the telescopic rod are connected with a crank; the first dental tray is larger than the second dental tray, which is smaller than the third dental tray, which is larger than the fourth dental tray.

One side of the crank is movably connected with the first telescopic rod, and the other side of the crank is movably connected with the second telescopic rod.

The crank comprises a first crank, a connecting rod and a second crank, wherein the first crank is movably connected with the first telescopic rod, the second crank is movably connected with the second telescopic rod, and the first crank is connected with the second crank through the connecting rod.

Wherein the length of the first crank is equal to that of the second crank.

The first dental tray and the second dental tray are arranged on the other side of the frame, and the third dental tray and the fourth dental tray are arranged on one side of the frame.

The telescopic rod comprises an inner rod and an outer rod with a hollow structure, the inner rod slides on an inner groove of the outer rod, one end of the outer rod is movably connected with the pedal, and one end of the inner rod and one end of the outer rod are fixedly connected with the connecting part.

The fixer comprises a gear, an outer wheel and a device frame, wherein the outer wheel and the device frame are integrally formed, gear teeth are arranged on the inner wall of the outer wheel, the gear is fixed on the frame, the gear teeth are meshed with the gear, one end of the device frame is connected with the outer wall of the outer wheel, and the other end of the device frame is connected with the connecting part.

The diameters of the first dental tray and the third dental tray are equal, and the diameters of the second dental tray and the fourth dental tray are equal.

The diameters of the first dental tray and the third dental tray are different, and the diameters of the second dental tray and the fourth dental tray are different.

The invention has the beneficial effects that: according to the improved bicycle, the first dental disc is in transmission connection with the second dental disc, the second dental disc and the third dental disc synchronously rotate, the third dental disc is in transmission connection with the fourth dental disc, and the effect of walking for a long distance can be achieved by only stepping a small section; the length of the crank is reduced, the crank is connected with the telescopic rod, and the telescopic rod performs telescopic action by rotating the crank, so that a longer force arm is stepped on, and the effect of saving labor is achieved; and the position of the fixer can be changed to realize different riding modes under different conditions, the position of the fixer can be lifted, the prone riding mode can be realized, and the high-speed riding with small resistance can be realized.

Drawings

The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic structural view of the holder of the present invention.

Fig. 4 is a schematic structural view of the inner rod and the pedal of the present invention.

Fig. 5 is a schematic structural view of the outer rod of the present invention.

FIG. 6 is a schematic view of the inner and outer rods of the present invention.

FIG. 7 is a schematic diagram of the motion profile of the crank and pedal of the present invention.

Fig. 8 is a schematic diagram of the sliding block type motion of the present invention.

Reference numerals

The bicycle comprises a bicycle frame-1, a rear wheel-2, a first toothed disc-3, a second toothed disc-4, a third toothed disc-5, a fourth toothed disc-6, a crank-7, a first crank-71, a connecting rod-72, a second crank-73, a telescopic rod-8, a first telescopic rod-81, a connecting part-82, a second telescopic rod-83, a pedal-84, an inner rod-85, an outer rod-86, a fixer-9, a gear-91, an outer wheel-92, gear teeth-921, a rack-93, a long handle-10 and a sliding block 11.

Detailed Description

Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.

It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present invention, so that any modification of the structures, variation of proportions or adjustment of sizes of the structures, proportions and the like should not be construed as essential to the present invention, and should still fall within the scope of the disclosure of the present invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.

As shown in fig. 1 to 7, an improved bicycle comprises a frame 1 and a rear wheel 2, wherein the wheel diameter of the rear wheel 2 is larger than that of a rear wheel of a common bicycle, a first toothed disc 3 is arranged on one side of the frame 1, a second toothed disc 4 is also arranged on one side of the frame 1, and the first toothed disc 3 is in transmission connection with the second toothed disc 4; the other side of the frame 1 is also provided with a third dental disc 5, the second dental disc 4 passes through the frame 1 and synchronously rotates with the third dental disc 5, the other side of the frame 1 is provided with a fourth dental disc 6, the third dental disc 5 is in transmission connection with the fourth dental disc 6, and the fourth dental disc 6 synchronously rotates with the rear wheel 2; the tooth disc comprises a first tooth disc 3, and further comprises a crank 7, wherein the crank 7 rotates synchronously with the first tooth disc 3; the telescopic bicycle is characterized by further comprising a telescopic rod 8 and a position-adjustable fixer 9, wherein one end of the telescopic rod 8 is connected with the fixer 9, the telescopic rod 8 is respectively and movably connected with the cranks 7 at the same side, the first dental disc 3 is larger than the second dental disc 4, the second dental disc 4 is smaller than the third dental disc 5, the third dental disc 5 is larger than the fourth dental disc 6, the crank 7 in the embodiment is smaller than a crank of a common bicycle, the length of the crank 7 can be telescopic through the operation of the telescopic rod 8, so that a power arm is prolonged, and the labor-saving effect can be realized due to the increase of a force arm when the crank 7 is driven to rotate; and by changing the holder 9, different stepping modes can be realized under different conditions, in particular: the position of the connecting part of the fixer 9 is adjusted to be above the horizontal plane of the central shaft of the rear wheel through the gear, the rider can lie on the bicycle in a prone position, the body is more streamline, the wind resistance is lower, the pedal state is that the legs extend backwards completely, the force applied by the legs is more complete, and the high-speed riding with small resistance and smooth force applied is realized.

In this embodiment, the telescopic rod 8 includes a first telescopic rod 81, a connecting portion 82 and a second telescopic rod 83, one end of the first telescopic rod 81 is movably connected with one end of the connecting portion 82, the other end of the first telescopic rod 81 is movably connected with a pedal 84, one end of the second telescopic rod 83 is movably connected with the other end movable surface of the connecting portion 82, the other end of the second telescopic rod 83 is movably connected with the pedal 84, one end of the fixer 9 is connected with the connecting portion 82, the outer wheel portion of the other end fixer 9 is connected with a rear wheel center axle of the frame 1, the telescopic rod 8 includes an inner rod 85 and an outer rod 86 with a hollow structure, the inner rod 85 slides on the inner wall of the outer rod 86, one end of the outer rod 85 is movably connected with the pedal 84, one end of the outer rod 86 is movably connected with the connecting portion 82, the telescopic rod 8 moves along with the pedal 84 while the pedal 84 is being stepped, the center axle of the crank 7 is movably connected with the inner side of the inner rod 85, the center axle of the crank 7 is circularly moved at the center of the crank 7, the telescopic rod 8 can slide on the inner wall of the inner rod 86 in the moving process; because the length of the inner rod 85 can be increased according to the requirement, the stepping is realized through a longer force arm by increasing, thereby achieving the effect of saving labor.

Preferably, one side of the crank 7 is movably connected with the inner side of the first telescopic rod 81, the other side of the crank 7 is movably connected with the inner side of the second telescopic rod 83,

in this embodiment, the crank 7 includes a first crank 71, a connecting rod 72 and a second crank 73, where the first crank 71 is movably connected with the first telescopic rod 81, the second crank 73 is movably connected with the second telescopic rod 83, and preferably, the lengths of the first crank 71 and the second crank 73 are equal, and the length of the first crank 71 is not greater than the radius of the first dental tray 3, so as to ensure coordination in riding a bicycle; the first crank 71 is connected with the second crank 73 through a connecting rod 72, and the fourth toothed disc 6 is independently connected with the rear wheel 2 through an axle center, so that the movements of the first toothed disc 3 and the fourth toothed disc 6 are independent of each other and are not influenced by each other.

In this embodiment, the first dental tray 3 and the second dental tray 4 are disposed on the other side of the frame 1, the third dental tray 5 and the fourth dental tray 6 are disposed on one side of the frame 1, the general structure of the bicycle is that the dental tray is mounted on one side, and is that the front part and the rear part are small, the smaller the variation is, the better the assembly is, the stronger the universality is, and the position of the dental tray can be changed according to the actual requirement.

In this embodiment, the lengths of the first crank 71 and the second crank 73 are equal, so that the track of stepping on the pedal 84 is shaped like an ellipse, and the length of the first crank 71 is not greater than the radius of the first toothed disc 3, so as to achieve the effect of not changing the existing riding habits of modern people to a great extent.

In this embodiment, the fixer 9 includes a gear 91, an outer wheel 92, and a device frame 93, the fixer 9 is in an integral structure, gear teeth 921 are provided on an inner wall of the outer wheel 92, the gear 91 is fixed on the frame 1, the gear teeth 921 are meshed with the gear 91, one end of the device frame 93 is connected with an outer wall of the outer wheel 92, the other end of the device frame 93 is connected with the connecting portion 82, and the meshing position of the gear teeth 921 and the gear 91 is changed by performing a circular motion of the outer wheel 92, so that the position between the fixer 9 and the connecting portion 82 is changed. The pedal mode of different road conditions is realized through changing the positions of the fixing device 9 and the connecting part 82, if the pedal mode can be used for adjusting the horizontal plane angle of the fixing device 9 and the connecting part 82 relative to the central shaft of the rear wheel according to the gradient when climbing a slope, the pedal is convenient.

In another embodiment of the bicycle according to the present invention, as shown in fig. 8, the telescopic rod 8 is replaced by a long handle 10 with a fixed length, one end of the long handle 10 is movably connected with a slider 11, and the slider 11 slides on a set track, so that the same implementation effect as the telescopic rod 8 can be achieved.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. An improvement type bicycle, includes frame and rear wheel, its characterized in that: a first dental tray is arranged on one side of the frame, a second dental tray is also arranged on one side of the frame, and the first dental tray is in transmission connection with the second dental tray; the other side of the frame is provided with a third dental disk, the second dental disk passes through the frame and synchronously rotates with the third dental disk, the other side of the frame is provided with a fourth dental disk, the third dental disk is in transmission connection with the fourth dental disk, and the fourth dental disk synchronously rotates with the rear wheel;

the crank is synchronously rotated with the first dental tray;

the telescopic device also comprises a telescopic rod and a position-adjustable fixer, wherein one end of the telescopic rod is connected with the fixer, and both sides of the telescopic rod are connected with a crank;

the telescopic rod comprises a first telescopic rod, a connecting part and a second telescopic rod, one end of the first telescopic rod is movably connected with one end of the connecting part, the other end of the first telescopic rod is connected with a pedal, one end of the second telescopic rod is movably connected with the other end of the connecting part, and the other end of the second telescopic rod is connected with the pedal; one end of the fixer is connected with the connecting part, and the other end of the fixer is connected with the middle shaft of the frame or the rear wheel;

the first dental tray is larger than a second dental tray, the second dental tray is smaller than a third dental tray, and the third dental tray is larger than a fourth dental tray;

the fixer comprises a gear, an outer wheel and a device frame, wherein the outer wheel and the device frame are integrally formed, the inner wall of the outer wheel is provided with gear teeth, the gear is fixed on the frame, the gear teeth are meshed with the gear, one end of the device frame is connected with the outer wall of the outer wheel, the other end of the device frame is connected with a connecting part, one end of the device frame is of an outer wheel structure, and the other end of the device frame is of a connecting part;

the crank comprises a first crank, a connecting rod and a second crank, the first crank is movably connected with the first telescopic rod, the second crank is movably connected with the second telescopic rod, and the first crank is connected with the second crank through the connecting rod;

the lengths of the first crank and the second crank are equal;

the length of the first crank is not greater than the radius of the first dental tray.

2. An improved bicycle as claimed in claim 1, wherein: one side of the crank is movably connected with the first telescopic rod, and the other side of the crank is movably connected with the second telescopic rod.

3. An improved bicycle as claimed in claim 1, wherein: the first dental tray and the second dental tray are arranged on the other side of the frame, and the third dental tray and the fourth dental tray are arranged on one side of the frame.

4. An improved bicycle as claimed in claim 1, wherein: the telescopic rod comprises an inner rod and an outer rod with a hollow structure, the inner rod slides on an inner groove of the outer rod, one end of the inner rod is movably connected with the pedal, and one end of the outer rod is fixedly connected with the connecting part.

5. An improved bicycle as claimed in claim 1, wherein: the diameters of the first dental tray and the third dental tray are equal, and the diameters of the second dental tray and the fourth dental tray are equal.

6. An improved bicycle as claimed in claim 1, wherein: the diameters of the first dental tray and the third dental tray are different, and the diameters of the second dental tray and the fourth dental tray are different.