CN213200006U

CN213200006U - Bicycle capable of treading up and down in reciprocating manner

Info

Publication number: CN213200006U
Application number: CN202021556857.9U
Authority: CN
Inventors: 师鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-14
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a bicycle of trampling from top to bottom reciprocal, including the front fork, the both sides fork department of front fork lower extreme all rotates the centraxonial both ends of connecting at the front wheel, the right-hand member at the frame is connected through steering bearing in the middle part left side of front fork, both ends all are provided with first drive chain wheel and run through the rotation by first axis and connect around the frame middle part. The utility model discloses in, the equal fixed connection in first drive chain wheel outside middle part is at the end of footboard lever, first drive chain wheel that resets through the terminal spring shrink of drive chain, it upwards lifts up to drive the footboard lever, realize trampling the drive bicycle from top to bottom reciprocally, first drive chain wheel all drives the second flywheel through drive chain, through axis fixed connection second drive chain wheel between the second flywheel, second drive chain wheel passes through the epaxial first flywheel drive rear wheel rotation of chain connection rear wheel, the stroke that makes the bicycle is compared in former bicycle and is improved one time, be worth wideling popularize.

Description

Bicycle capable of treading up and down in reciprocating manner

Technical Field

The utility model relates to a life vehicle field especially relates to a bicycle of trampling from top to bottom reciprocal.

Background

The bicycle, also known as bicycle or bicycle, is two rounds of small-size land vehicle usually, and the people is riding on the car after, and use the foot to step on the footboard as power, is green's vehicle, can be used for riding instead of walk as the vehicle of environmental protection and go on a journey, and more people are used for riding the exercise bicycle to travel as body-building apparatus with the bicycle, and bicycle itself also is a sports competition, has road bike race, mountain bike race, place bike race, trick bicycle match etc..

The bicycle that people generally ridden on the existing market is an environmental protection vehicle usually, can only be used for closely going out at every turn, and it is great to consume physical power moreover, rides for a long time and has certain damage to the knee, and the crank is more hard than short, limits to a certain extent and has reduced user's trip distance and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bicycle capable of treading up and down in a reciprocating way.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bicycle capable of being trampled up and down in a reciprocating mode comprises a front fork, fork openings on two sides of the lower end of the front fork are rotatably connected to two ends of a center shaft of a front wheel, the left side of the middle of the front fork is connected to the right end of a frame through a steering bearing, a first driving chain wheel is arranged on each of the front end and the rear end of the middle of the frame and is rotatably connected with the center shaft in a penetrating mode, a second driving chain wheel is arranged on the frame on the left side of the first driving chain wheel, a second center shaft is arranged on the middle of the second driving chain wheel, second flywheels are arranged on the front ends and the rear ends of the second center shaft, a pedal lever is fixedly connected to the middle of the outer portion of each first driving chain wheel on each of the front end and the rear end of the frame, the fork openings on the lower portion of the left end of the frame are rotatably connected with two ends of a center shaft of a rear wheel, a, the downside of first drive chain wheel and the one end fixed connection of drive chain, the other end of drive chain passes through the second flywheel and passes through spring fixed connection in the bottom that the footboard lever held in the palm, the top fixed connection that the footboard lever held in the palm is at the middle part of frame.

As a further description of the above technical solution:

the center shaft of the front wheel is uniformly and fixedly connected on the inner wall of the front wheel through a plurality of spokes, and the center shaft of the rear wheel is uniformly and fixedly connected on the inner wall of the rear wheel through a plurality of spokes.

As a further description of the above technical solution:

rubber tires are arranged on the outer sides of the front wheel and the rear wheel.

As a further description of the above technical solution:

the pedal of the pedal lever is provided with an anti-skid rubber pad.

As a further description of the above technical solution:

and a handlebar is arranged at the top end of the front fork.

As a further description of the above technical solution:

and a saddle is arranged at the upper part of the left end of the frame.

As a further description of the above technical solution:

and the front end and the rear end of the second middle shaft penetrate through the second flywheel and extend to be rotatably connected to the frame.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the middle part of second drive chain wheel is provided with second axis and the centraxonial front and back end of second and all is provided with the second flywheel, first drive chain wheel passes through drive chain and drives the second flywheel, the second flywheel is driven by drive chain and rotates the round when first drive chain wheel changes half a circle, second drive chain wheel also rotates the round with the second flywheel is synchronous this moment, last reuse chain is connected the drive rear wheel with the first flywheel of second drive chain wheel with the rear wheel and rotates, under the prerequisite of the first drive chain wheel of the same specification and the same number of turns of rotation, the stroke that makes the bicycle is compared in former bicycle and is improved one time, thereby more suitable remote trip.

2. The utility model discloses in, the terminal equal fixed connection of footboard lever is at the outside middle part of first drive chain wheel, drive chain's one end fixed connection is on the first drive chain wheel at both ends around the frame, drive chain's the other end all through the second flywheel and through the bottom of spring fixed connection in footboard lever support, wherein the spring plays the effect of withdrawing the drive chain and reset first drive chain wheel, the front end that drives the footboard lever simultaneously upwards lifts up, realize reciprocating trampling the effect of drive bicycle from top to bottom, it is more laborsaving than the bent axle of trampling former bicycle, it is littleer to ride the knee damage for a long time, be worth wideling popularize.

Drawings

Fig. 1 is a side view of a bicycle that is treaded up and down in a reciprocating manner according to the present invention;

fig. 2 is a partial top view of the bicycle treaded up and down in a reciprocating manner according to the present invention.

Illustration of the drawings:

1. a front fork; 2. a front wheel; 3. a frame; 4. a first drive sprocket; 5. a pedal lever; 6. a drive chain; 7. a second drive sprocket; 8. a rear wheel; 9. a vehicle seat; 10. a first flywheel; 11. a pedal lever bracket; 12. a second middle axis; 13. a second flywheel; 14. a first medial axis.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a bicycle capable of treading up and down in a reciprocating mode comprises a front fork 1, fork openings on two sides of the lower end of the front fork 1 are rotatably connected to two ends of a central shaft of a front wheel 2, the left side of the middle of the front fork 1 is connected to the right end of a frame 3 through a steering bearing, a first driving chain wheel 4 is arranged on each of the front end and the rear end of the middle of the frame 3, the first driving chain wheels 4 are rotatably connected through a first central shaft 14, a second driving chain wheel 7 is arranged on the frame 3 on the left side of the first driving chain wheel 4, a second central shaft 12 is arranged in the middle of the second driving chain wheel 7, second flywheels 13 are arranged on the front end and the rear end of the second central shaft 12, a pedal lever 5 is fixedly connected to the middle of the outer portion of each of the first driving chain wheel 4 on each of the front end and the rear end of the frame 3, the fork openings on the lower portion of the left end of the frame 3 are rotatably connected to two ends of the central shaft of a, the downside of first drive chain wheel 4 and drive chain 6's one end fixed connection, drive chain 6's the other end all passes through second flywheel 13 and through spring fixed connection in the bottom that footboard lever held in the palm 11, and the top fixed connection that footboard lever held in the palm 11 is at the middle part of frame 3, under the prerequisite of the first drive chain wheel of the same specification and the same number of turns of rotation, makes the stroke of bicycle compare in former bicycle and improve one time to more suitable remote trip.

The center pin of front wheel 2 passes through the even fixed connection of a plurality of spokes on 2 inner walls of front wheel, the center pin of rear wheel 8 passes through the even fixed connection of a plurality of spokes on 8 inner walls of rear wheel, front wheel 2 all is provided with the rubber tire with the outside of rear wheel 8, the left end of footboard lever 5 all is provided with anti-skidding rubber pad, play skid-proof effect when trampling footboard lever 5, the top of front fork 1 is provided with the handlebar hand, the left end upper portion of frame 3 is provided with saddle 9, the centraxonial 12 front and back end of second all runs through second flywheel 13 and extends the rotation and connect on frame 3.

The working principle is as follows: the tail ends of the pedal levers 5 are fixedly connected to the middle part of the outer side of the first driving crankset 4, one end of the driving chain 6 is fixedly connected to the first driving crankset 4 at the front end and the rear end of the frame 3, the other end of the driving chain 6 passes through the second flywheel 13 and is fixedly connected to the bottom of the pedal lever support 11 through the spring, the spring plays a role of withdrawing the driving chain 6 to reset the first driving crankset 4, the front end of the pedal lever 5 is driven to be lifted upwards, the effect of treading the bicycle up and down in a reciprocating mode is achieved, the left pedal and the right pedal can be simultaneously treaded downwards and can also be treaded leftwards and rightwards, labor is saved compared with the treading of a crankshaft of the original bicycle, the damage to knees is smaller after long-time riding, the second middle shaft 12 is arranged in the middle part of the second driving crankset 7, the front end and the rear end of the second middle shaft 12 are, when the first driving chain wheel 4 rotates for half a circle, the second flywheel 13 is driven by the driving chain 6 to rotate for a circle, at the moment, the second driving chain wheel 7 also rotates for a circle with the second flywheel 13 synchronously, and finally, the chain is used for connecting the second driving chain wheel 7 with the first flywheel 10 of the rear wheel 8 to drive the rear wheel 8 to rotate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bicycle of trampling from top to bottom, includes front fork (1), its characterized in that: fork openings at two sides of the lower end of the front fork (1) are rotatably connected with two ends of a central shaft of a front wheel (2), the left side of the middle part of the front fork (1) is connected with the right end of a frame (3) through a steering bearing, first driving cranksets (4) are arranged at the front end and the rear end of the middle part of the frame (3), the first driving cranksets (4) are rotatably connected through a first central shaft (14), a second driving crankset (7) is arranged on the frame (3) at the left side of the first driving crankset (4), a second central shaft (12) is arranged at the middle part of the second driving crankset (7), second flywheels (13) are arranged at the front end and the rear end of the second central shaft (12), pedal levers (5) are fixedly connected with the middles of the outsides of the first driving crankset (4) at the front end and the rear end of the frame (3), and the fork openings at the lower part of the left end of the frame (3) are rotatably connected with, the front side of rear wheel (8) center pin is provided with first flywheel (10), second drive chain wheel (7) are connected with first flywheel (10) through the chain, the downside of first drive chain wheel (4) and the one end fixed connection of drive chain (6), the other end of drive chain (6) is through second flywheel (13) and through spring fixed connection in the bottom of footboard lever support (11), the top fixed connection of footboard lever support (11) is at the middle part of frame (3).

2. A bicycle that is stepped on and off reciprocally according to claim 1, wherein: the center shaft of the front wheel (2) is uniformly and fixedly connected on the inner wall of the front wheel (2) through a plurality of spokes, and the center shaft of the rear wheel (8) is uniformly and fixedly connected on the inner wall of the rear wheel (8) through a plurality of spokes.

3. A bicycle that is stepped on and off reciprocally according to claim 1, wherein: rubber tires are arranged on the outer sides of the front wheel (2) and the rear wheel (8).

4. A bicycle that is stepped on and off reciprocally according to claim 1, wherein: the pedal of the pedal lever (5) is provided with an anti-skid rubber pad.

5. A bicycle that is stepped on and off reciprocally according to claim 1, wherein: the top end of the front fork (1) is provided with a handlebar.

6. A bicycle that is stepped on and off reciprocally according to claim 1, wherein: a seat (9) is arranged at the upper part of the left end of the frame (3).

7. A bicycle that is stepped on and off reciprocally according to claim 1, wherein: the front end and the rear end of the second middle shaft (12) penetrate through the second flywheel (13) and extend to be rotatably connected to the frame (3).