CN114394185A

CN114394185A - Folding bicycle

Info

Publication number: CN114394185A
Application number: CN202111485087.2A
Authority: CN
Inventors: 汪新玥
Original assignee: Uk Oxfo Oxford Technology Co ltd
Current assignee: Uk Oxfo Oxford Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-26

Abstract

The invention relates to the technical field of bicycles, in particular to a folding bicycle, which comprises a bicycle frame body, a front fork connecting column, a bicycle front fork, a bicycle rear fork bracket, a lock tap mounting rod and a return spring, wherein the bicycle is folded, a bicycle handle is correspondingly retracted and folded, the lock tap is arranged, the lock tap is correspondingly clamped on the front fork by utilizing the elasticity of the spring to tightly fix the front fork and the rear fork of the bicycle together, the problems that a folding mechanism in the folding bicycle sold in the market is more complicated, the size of a folded bicycle body is larger, and the front fork and the rear fork of the bicycle body cannot be jointed and fixed are effectively solved, so that the folding bicycle is convenient to carry or transport, and simultaneously, after the folding bicycle is folded, the front wheel and the rear wheel are on the same straight line, the height of the bicycle seat is adjusted, can promote the bicycle and remove to portable performance is stronger, and the practicality is stronger, more suits to use widely on a large scale.

Description

Folding bicycle

Technical Field

The invention relates to the technical field of bicycles, in particular to a folding bicycle.

Background

The folding car of various structure types has appeared on the market at present, reach light in weight, small to a certain extent, the simple operation's requirement, in order to realize the purpose of folding small volume, need fold to positions such as bicycle handlebar position, front wheel and rear wheel and close usually, folding mechanism in the folding bicycle of selling in present market is comparatively complicated, automobile body volume after folding is great, can not fix automobile body front fork and back fork laminating simultaneously, thereby be not convenient for carry or transport.

In summary, the present invention is directed to a foldable bicycle to solve the existing problems.

Disclosure of Invention

The present invention is directed to a foldable bicycle, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a folding bicycle comprises a bicycle frame body, a front fork connecting column, a bicycle front fork, a bicycle rear fork support, a lock tap mounting rod and a reset spring, wherein the bicycle rear fork support is provided with two groups which are respectively and symmetrically connected to the rear end of the bicycle frame body through a rotating shaft in a rotating way, a shock absorber is connected between the two groups of bicycle rear fork supports and close to the bicycle frame body through the rotating shaft in a rotating way, the other end of the shock absorber is connected to the side wall of the bicycle frame body through the rotating shaft in a rotating way, the lock tap mounting rod is connected to a group of bicycle rear fork supports through a bolt, the outer wall of the lock tap mounting rod is provided with an L-shaped groove, the lock tap is sleeved on the outer wall of the lock tap mounting rod and corresponds to the L-shaped groove, a positioning bulge is arranged on the lock tap and inside the L-shaped groove, the reset spring is sleeved on one side of the lock tap and on the outer wall of the lock tap mounting rod, the front end of the bicycle frame body is rotatably connected with a front fork connecting column through a rotating shaft at the same side with the lock tap, and the other end of the front fork connecting column is rotatably connected with a bicycle front fork through a shaft sleeve corresponding to the lock tap.

As a preferable scheme of the present invention, the bicycle frame body is rotatably connected to a bicycle rotating shaft through a shaft sleeve, two ends of the bicycle rotating shaft respectively penetrate through the shaft sleeve, and extend to the outer side of the bicycle frame body to be fixedly connected with a pedal connecting rod, the other end of the pedal connecting rod is connected with a pedal, a large gear disc is fixedly sleeved on the inner side of the pedal connecting rod and the outer wall of the bicycle rotating shaft, two sets of rear fork brackets are rotatably connected to rear wheels through connecting shafts at opposite side walls and sides far away from the shock absorber, the axle center of the rear wheels is fixedly connected with a small gear disc, and the small gear disc is connected to the large gear disc through a chain.

As a preferable scheme of the present invention, a support sleeve is fixedly disposed on an end surface of the bicycle frame body, a seat support rod is slidably connected to an inside of the support sleeve up and down, a seat is fixedly connected to an end of the seat support rod, and a first lifting buckle is disposed at a port of the support sleeve and at a connection position of the support sleeve and the seat support rod.

As a preferable scheme of the present invention, the opposite side walls of the bottom of the bicycle front fork are rotatably connected with a front wheel through a rotating shaft, the end of the bicycle front fork penetrates through the front fork connecting post and extends to the upper side of the front fork connecting post and is connected with a handle supporting cylinder through a folding buckle, the port of the handle supporting cylinder is connected with a lifting rod through a lifting buckle II, the end of the lifting rod extends to the inside of the handle supporting cylinder through the lifting buckle II, and the lifting rod and the handle supporting cylinder are connected in a sliding manner.

As a preferable scheme of the present invention, the end of the lifting rod is connected to a bicycle handle through a folding buckle two, the bicycle handle and the lifting rod form a cross structure, two ends of the bicycle handle are respectively provided with a brake handle, the outer side of the brake handle and the end of the bicycle handle are respectively sleeved with an instrument and a controller, the controller is respectively provided with a lighting lamp control button, a horn control button and a deceleration acceleration control button, and the end above the front wheel and located at the front fork connection post is connected with a lighting lamp.

As a preferable scheme of the present invention, the front fork connection column is of a hollow structure, and a rechargeable lithium battery is disposed inside the front fork connection column, wherein the rechargeable lithium battery is electrically connected to the instrument, the controller and the illumination lamp through wires, respectively, and the rear wheel is a motor driving wheel and is electrically connected to the controller through a wire.

As a preferable scheme of the invention, a rear disc brake is arranged on the other side of the rear wheel and between the rear wheel and the bicycle rear fork support, a rear disc brake controller is correspondingly arranged on the bicycle rear fork support and the rear disc brake, and the rear disc brake controller is connected to the brake handle through a steel wire rope.

As a preferable scheme of the present invention, a front disc brake is disposed on one side of the front wheel and between the front wheel and a front fork of the bicycle, a front disc brake controller is disposed on the front fork of the bicycle and corresponding to the front disc brake, wherein the front disc brake controller is connected to the brake handle through a steel wire rope.

As a preferable scheme of the invention, the matching mode of the inside of the bayonet of the lock tap and a support rod of a bicycle front fork is clearance fit, the positioning bulge is connected inside the L-shaped groove in a sliding manner, and the matching mode of the return spring and the outer wall of the lock tap mounting rod is clearance fit.

As a preferable scheme of the present invention, the bicycle frame body is connected to a side wall of the front fork connection post through a folding buckle three, the seat support bar and the support sleeve are on the same line, and the bicycle frame body, the front fork connection post and the bicycle rear fork support are on the same line.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the folding bicycle, the saddle is folded, the bicycle handle and the bicycle handle are correspondingly retracted and folded, the lock tap is arranged, the lock tap is correspondingly clamped on the front fork by utilizing the elasticity of the spring to tightly fix the front fork and the rear fork of the bicycle, and the problems that the folding mechanism in the folding bicycle sold in the market is complex, the size of the folded bicycle body is large, and the front fork and the rear fork of the bicycle body cannot be attached and fixed are effectively solved, so that the folding bicycle is convenient to carry or transport.

2. According to the invention, after the bicycle is folded, the bicycle frame body, the front fork connecting column and the bicycle rear fork support are arranged on the same straight line, the front wheel and the rear wheel are arranged on the same straight line, and the saddle supporting rod and the supporting sleeve are arranged on the same straight line, so that the bicycle can be pushed to move by adjusting the height of the saddle after the height of the saddle is adjusted, and the bicycle is stronger in portability, stronger in practicability and more suitable for large-scale popularization and use.

Drawings

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

FIG. 2 is a schematic left side view of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the present invention in a folded state;

FIG. 4 is a schematic view of the structure of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 according to the present invention;

FIG. 6 is an enlarged schematic view of the structure of the present invention A;

FIG. 7 is an enlarged view of the structure of the present invention B;

FIG. 8 is a schematic view of a portion of the structure of FIG. 1 in accordance with the present invention;

FIG. 9 is a schematic view of the lock tap mounting bar, lock tap and return spring mounting arrangement of the present invention;

FIG. 10 is a schematic view of a lock faucet mounting bar configuration of the present invention;

FIG. 11 is a schematic view of the lock faucet of the present invention.

In the figure: 1. a bicycle frame body; 2. a front fork connecting post; 3. a bicycle front fork; 4. a bicycle rear fork carrier; 5. locking the faucet; 6. a lock tap mounting lever; 7. a return spring; 8. positioning the projection; 9. a bicycle spindle; 10. a connecting rod is pedaled; 11. pedaling; 12. a large gear plate; 13. a rear wheel; 14. a support sleeve; 15. a seat support bar; 16. a vehicle seat; 17. lifting and buckling the first part; 18. a front wheel; 19. folding and buckling the first part; 20. a handle support barrel; 21. a second lifting buckle; 22. a lifting rod; 23. a second folding buckle; 24. a bicycle handlebar; 25. a brake handle; 26. a meter; 27. a controller; 28. an illuminating lamp; 29. a rear disc brake; 30. front disc brake; 31. folding and buckling; 101. a shock absorber; 102. an L-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the invention, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the 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, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes 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, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-11, the present invention provides a technical solution:

a folding bicycle comprises a bicycle frame body 1, a front fork connecting post 2, a bicycle front fork 3, bicycle rear fork supports 4, a lock cock 5, a lock cock mounting rod 6 and a reset spring 7, wherein the bicycle rear fork supports 4 are arranged in two groups and are respectively and symmetrically connected to the rear end of the bicycle frame body 1 through rotating shafts, a shock absorber 101 is rotatably connected between the two groups of bicycle rear fork supports 4 and close to the bicycle frame body 1 through rotating shafts, the other end of the shock absorber 101 is rotatably connected to the side wall of the bicycle frame body 1 through rotating shafts, the lock cock mounting rod 6 is connected to one group of bicycle rear fork supports 4 through bolts, an L-shaped groove 102 is arranged on the outer wall of the lock cock mounting rod 6, a lock cock 5 is sleeved on the outer wall of the lock cock mounting rod 6 and corresponds to the L-shaped groove 102, a positioning bulge 8 is arranged on the lock cock 5 and inside the L-shaped groove 102, the outer wall that locks 5 one side of tap and lie in lock tap installation pole 6 has cup jointed reset spring 7, the front end of bicycle support body 1 to with lock tap 5 with same one side be connected with front fork spliced pole 2 through the pivot rotation, the other end of front fork spliced pole 2 is connected with bicycle front fork 3 through the axle sleeve rotation with lock tap 5 corresponds.

In the embodiment, referring to fig. 1 and 2, a bicycle rotating shaft 9 is rotatably connected to a bicycle frame body 1 through a shaft sleeve, two ends of the bicycle rotating shaft 9 respectively penetrate through the shaft sleeve, and a pedal connecting rod 10 is fixedly connected to the outer side of the bicycle frame body 1, the other end of the pedal connecting rod 10 is connected with a pedal 11, a large gear disc 12 is fixedly sleeved on the inner side of the pedal connecting rod 10 and the outer wall of the bicycle rotating shaft 9, a rear wheel 13 is rotatably connected to the side wall opposite to two groups of bicycle rear fork brackets 4 and the side far away from a shock absorber 101 through a connecting shaft, a small gear disc is fixedly connected to the axis of the rear wheel 13, wherein the small gear disc is connected to the large gear disc 12 through a chain, after a bicycle is unfolded, the pedal 11 can be used for driving the pedal connecting rod 10 to rotate, the pedal connecting rod 10 rotates to drive the bicycle rotating shaft 9 to rotate, the bicycle rotating shaft 9 rotates to transfer the large gear disc 12 to rotate, the big gear plate 12 rotates and drives the small gear plate to rotate through a chain, namely, the rear wheel 13 is adjusted to rotate.

In an embodiment, referring to fig. 1, 2 and 3, a supporting sleeve 14 is fixedly disposed on an end surface of a bicycle frame body 1, a seat supporting rod 15 is slidably connected to the inside of the supporting sleeve 14 up and down, a seat 16 is fixedly connected to an end portion of the seat supporting rod 15, a lifting buckle 17 is disposed at a port of the supporting sleeve 14 and at a joint of the supporting sleeve 14 and the seat supporting rod 15, the lifting buckle 17 is opened, the seat supporting rod 15 is pressed into the supporting sleeve 14 by pressing the seat 16, and after the seat supporting rod 15 is pressed into the supporting sleeve 14, the seat 16 is fixed by locking the lifting buckle 17, that is, folding of the seat 16 is completed.

In an embodiment, referring to fig. 1, 2 and 3, a lifting rod 22 is connected to a port of a handle support cylinder 20 through a second lifting buckle 21, an end of the lifting rod 22 extends into the handle support cylinder 20 through the second lifting buckle 21, the lifting rod 22 is connected with the handle support cylinder 20 in a sliding connection manner, the second lifting buckle 21 is opened, a bicycle handle 24 is pressed, the lifting rod 22 is pressed into the handle support cylinder 20, after the lifting rod 22 is pressed into the handle support cylinder 20, the lifting rod 22 is fixed by locking the second lifting buckle 21, that is, folding of the bicycle handle 24 is completed, the first folding buckle 19 is opened under the action of the handle support cylinder 20 connected above a front fork connection post 2 through the first folding buckle 19, and the handle support cylinder 20 is rotated, as shown in fig. 3, so as to fold the handle support cylinder 20;

in the embodiment, referring to fig. 1 and 2, the end of the lifting rod 22 is connected with a bicycle handle 24 through a folding buckle 23, the bicycle handle 24 and the lifting rod 22 form a cross structure, two ends of the bicycle handle 24 are respectively provided with a brake handle 25, the outside of the brake handle 25 is respectively sleeved with an instrument 26 and a controller 27 on the bicycle handle 24, the controller 27 is respectively provided with a lighting lamp control button, a horn control button and a deceleration and acceleration control button, the end above the front wheel 18 and on the front fork connecting column 2 is connected with a lighting lamp 28 for convenient lighting, the front fork connecting column 2 is a hollow structure, and a rechargeable lithium battery is arranged inside the front fork connecting column and provides electric energy for the bicycle, wherein the rechargeable lithium battery is respectively and electrically connected with the instrument 26, the controller 27 and the lighting lamp 28 through wires, the rear wheel 13 is a motor driving wheel and is electrically connected on the controller 27 through wires, the electric quantity of the bicycle can be conveniently observed, the speed of the driving wheel of the motor can be conveniently controlled, a rear disc brake 29 is arranged on the other side of the rear wheel 13 and between the rear wheel 13 and the bicycle rear fork support 4, a rear disc brake controller is correspondingly arranged on the bicycle rear fork support 4 and the rear disc brake 29, wherein the rear disc brake controller is connected on the brake handle 25 through a steel wire rope, a front disc brake 30 is arranged at one side of the front wheel 18 and between the front wheel 18 and the bicycle front fork 3, a front disc brake controller is arranged on the bicycle front fork 3 and corresponding to the front disc brake 30, wherein preceding dish is stopped the controller and is connected on brake handle 25 through wire rope, and pull wire rope through brake handle 25 and control preceding dish and stop controller, back dish and stop the controller and control, realize stopping 30, the control of 29 to preceding dish, back dish has realized that front wheel 18, rear wheel 13 brake promptly, speed reduction control.

In the embodiment, referring to fig. 4-11, the seat support rod 15 and the support sleeve 14 are on the same straight line, the fitting manner of the bayonet of the locking tap 5 on the same straight line of the bicycle frame body 1, the front fork connection post 2 and the bicycle rear fork support 4 is clearance fit with a support rod of the bicycle front fork 3, the positioning protrusion 8 is slidably connected inside the L-shaped groove 102, the fitting manner of the outer wall of the locking tap installation rod 6 and the reset spring 7 is clearance fit, the side edge of the bicycle frame body 1 is opposite to the locking tap 5 and is connected to the side wall of the front fork connection post 2 through the folding buckle triple 31, the positioning protrusion 8 inside the locking tap 5 is rotated by 90 degrees inside the L-shaped groove 102 through forced rotation, and at this time, the locking tap 5 is pushed to clamp the bicycle front fork 3 under the elastic action of the reset spring 7.

The working process of the invention is as follows: when the bicycle is unfolded for use, as shown in fig. 1 and 2, and when the bicycle is not folded for use, as shown in fig. 3 and 4, the folding steps are as follows:

step 1, a seat support rod 15 is vertically and slidably connected inside a support sleeve 14, a seat 16 is fixedly connected to the end of the seat support rod 15, a lifting buckle 17 is arranged at the port of the support sleeve 14 and at the joint of the support sleeve 14 and the seat support rod 15, the lifting buckle 17 is opened, the seat support rod 15 is pressed into the support sleeve 14 by pressing the seat 16, and after the seat support rod 15 is pressed into the support sleeve 14, the seat support rod is fixed by locking the lifting buckle 17, namely the seat 16 is folded;

step 2, a lifting rod 22 is connected to a port of the handle support barrel 20 through a lifting buckle II 21, the end of the lifting rod 22 extends into the handle support barrel 20 through the lifting buckle II 21, the lifting rod 22 is connected with the handle support barrel 20 in a sliding connection mode, the lifting buckle II 21 is opened, a bicycle handle 24 is pressed, the lifting rod 22 is pressed into the handle support barrel 20, and after the lifting rod 22 is pressed into the handle support barrel 20, the lifting buckle II 21 is locked for fixing, namely the bicycle handle 24 is folded;

step 3, under the action that a handle supporting cylinder 20 is connected above the front fork connecting post 2 through a folding buckle I19, the folding buckle I19 is opened, and the handle supporting cylinder 20 is rotated, as shown in figure 3, the folding of the handle supporting cylinder 20 is realized,

step 4, on one side of the bicycle frame body 1, opposite to the lock tap 5, the bicycle frame body is connected to the side wall of the front fork connecting post 2 and the front end of the bicycle frame body 1 through the folding buckle III 31, under the action of the front fork connecting post 2 which is rotatably connected with the lock tap 5 through the rotating shaft on the same side, the folding buckle III 31 is opened, the front fork connecting post 2 is rotated forcibly, the bicycle front fork 3 is rotated to the position corresponding to the lock tap 5, at the moment, the matching mode of the inside of the bayonet of the lock tap 5 and a support rod of the bicycle front fork 3 is clearance fit, the positioning bulge 8 is connected to the inside of the L-shaped groove 102 in a sliding manner, under the action of clearance fit of the outer wall matching mode of the reset spring 7 and the lock tap mounting rod 6, as shown in figures 4-11, the positioning bulge 8 inside the lock tap 5 is rotated 90 degrees inside the L-shaped groove 102 through forcible rotation, at the moment, under the elastic action of the reset spring 7, the push lock tap 5 clamps the front fork 3 of the bicycle, thereby realizing the whole folding of the bicycle, and simultaneously expanding the bicycle by the opposite operations of the above steps, the process sequentially folds the saddle, the bicycle and the handlebar are correspondingly folded, and the lock tap is arranged, and the elasticity of the spring is utilized to correspondingly clamp the lock tap on the front fork to tightly fix the front fork and the rear fork of the bicycle together, thereby effectively solving the problems that the folding mechanism in the folding bicycle sold in the market is more complicated, the size of the folded bicycle body is larger, and the front fork and the rear fork of the bicycle body can not be fixed by jointing at the same time, thereby being convenient for carrying or transportation, meanwhile, after the folding, the front wheel and the rear wheel are on the same straight line, and by adjusting the height of the saddle, when the height adjustment of the saddle is completed, the bicycle can be pushed to move, thereby having stronger portability, the practicality is stronger, more suits to use widely on a large scale.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a folding bicycle, includes bicycle support body (1), front fork spliced pole (2), bicycle front fork (3), bicycle back fork support (4), lock tap (5), lock tap installation pole (6) and reset spring (7), its characterized in that: the bicycle rear fork support is characterized in that two groups of bicycle rear fork supports (4) are arranged and are respectively and symmetrically connected to the rear end of a bicycle frame body (1) through a rotating shaft in a rotating mode, a shock absorber (101) is rotatably connected between the two groups of bicycle rear fork supports (4) and close to the bicycle frame body (1) through the rotating shaft, the other end of the shock absorber (101) is rotatably connected to the side wall of the bicycle frame body (1) through the rotating shaft, a lock tap mounting rod (6) is connected to one group of bicycle rear fork supports (4) through bolts, an L-shaped groove (102) is formed in the outer wall of the lock tap mounting rod (6), a lock tap (5) is sleeved on the outer wall of the lock tap mounting rod (6) and corresponds to the L-shaped groove (102), a positioning bulge (8) is arranged on the lock tap (5) and inside the L-shaped groove (102), and a reset spring (7) is sleeved on one side of the lock tap (5) and on the outer wall of the lock tap mounting rod (6), the front end of bicycle support body (1) to with lock tap (5) with same one side be connected with front fork spliced pole (2) through the pivot rotation, the other end of front fork spliced pole (2) and correspond with lock tap (5) and rotate through the axle sleeve and be connected with bicycle front fork (3).

2. A foldable bicycle according to claim 1, wherein: bicycle pivot (9) are connected through the axle sleeve rotation on bicycle support body (1), the axle sleeve is run through respectively at the both ends of bicycle pivot (9) to outside fixedly connected with pedal connecting rod (10) that extends to bicycle support body (1), the other end of pedal connecting rod (10) is connected with pedal (11), the inboard of pedal connecting rod (10) is and the fixed cover of outer wall that is located bicycle pivot (9) has connect bull gear dish (12), and is two sets of bicycle rear fork support (4) relative lateral wall is and keep away from one side of bumper shock absorber (101) and rotate through the connecting axle and be connected with rear wheel (13), the axle center fixedly connected with pinion disc of rear wheel (13), wherein the pinion disc passes through the chain and connects on bull gear dish (12).

3. A foldable bicycle according to claim 2, wherein: the fixed supporting sleeve (14) that is provided with on the terminal surface of bicycle support body (1), sliding connection has saddle bracing piece (15) about the inside of supporting sleeve (14), tip fixedly connected with saddle (16) of saddle bracing piece (15), the port department of supporting sleeve (14) is provided with the buckle (17) that goes up and down and is located the junction of supporting sleeve (14) and saddle bracing piece (15).

4. A foldable bicycle according to claim 3, wherein: the utility model discloses a bicycle front fork (3) bottom relative lateral wall rotates through the pivot and is connected with front wheel (18), the tip of bicycle front fork (3) runs through front fork spliced pole (2) to the top that extends to front fork spliced pole (2) is connected with a handle support section of thick bamboo (20) through folding buckle (19), the port of a handle support section of thick bamboo (20) is connected with lifter (22) through two (21) of lifting buckle, the tip of lifter (22) is detained two (21) through the lift and is extended to the inside of a handle support section of thick bamboo (20), lifter (22) are sliding connection with the connected mode of a handle support section of thick bamboo (20).

5. The folding bicycle of claim 4, wherein: the tip of lifter (22) is connected with bicycle handle (24) through folding two (23) of knot, bicycle handle (24) become cross structure with lifter (22), the both ends of bicycle handle (24) are provided with brake handle (25) respectively, instrument (26) and controller (27) have been cup jointed respectively to the outside of brake handle (25) and be located bicycle handle (24), be provided with illumination lamp control button, loudspeaker control button and speed reduction acceleration control button on controller (27) respectively, the top of front wheel (18) and the end connection who is located front fork spliced pole (2) have light (28).

6. A foldable bicycle according to claim 5, wherein: the front fork connecting column (2) is of a hollow structure, and a rechargeable lithium battery is arranged inside the front fork connecting column, wherein the rechargeable lithium battery is respectively electrically connected to the instrument (26), the controller (27) and the illuminating lamp (28) through leads, and the rear wheel (13) is a motor driving wheel and is electrically connected to the controller (27) through leads.

7. The folding bicycle of claim 6, wherein: the bicycle rear fork is characterized in that a rear disc brake (29) is arranged on the other side of the rear wheel (13) and between the rear wheel (13) and the bicycle rear fork support (4), a rear disc brake controller is correspondingly arranged on the bicycle rear fork support (4) and the rear disc brake (29), and the rear disc brake controller is connected to a brake handle (25) through a steel wire rope.

8. The folding bicycle of claim 6, wherein: one side of front wheel (18) is and be located and be provided with preceding dish between front wheel (18) and bicycle front fork (3) and stop (30), on bicycle front fork (3) and with preceding dish stop (30) correspond and be provided with preceding dish controller of stopping, wherein preceding dish controller of stopping passes through wire rope and connects on brake handle (25).

9. A foldable bicycle according to claim 1, wherein: the inside bayonet of lock tap (5) and the cooperation mode of a branch of bicycle front fork (3) are clearance fit, location arch (8) sliding connection is in the inside of L type recess (102), reset spring (7) and the outer wall cooperation mode of locking tap installation pole (6) are clearance fit.

10. A foldable bicycle according to claim 1, wherein: the bicycle is characterized in that the bicycle frame body is connected to the side wall of the front fork connecting column (2) through three folding buckles (31) and is opposite to the lock tap (5) on one side edge of the bicycle frame body (1), the bicycle seat supporting rod (15) and the supporting sleeve (14) are arranged on the same straight line, and the bicycle frame body (1), the front fork connecting column (2) and the bicycle rear fork support (4) are arranged on the same straight line.