CN105711717B

CN105711717B - A kind of folding bicycle

Info

Publication number: CN105711717B
Application number: CN201610027114.4A
Authority: CN
Inventors: 孙继伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-15
Filing date: 2016-01-15
Publication date: 2018-11-02
Anticipated expiration: 2036-01-15
Also published as: CN105711717A

Abstract

The invention discloses a kind of folding bicycles, are related to a kind of vehicles, and main feature includes：Preceding riser assemblies, prenex tube assembly, main girder frame component, rear fork assemblies.Folded portion includes the preceding standpipe folded portion of the arrangement cross break part being "X" shape with preceding beam tube both sides, the vertical folding part point and preceding standpipe lower part that are arranged on rear side of neutral tube；Folded state rear wheels are among main girder frame group, and front wheels are on rear side of vehicle left side rear wheels and are staggered with rear wheels, and preceding standpipe and armrest assembly are in vehicle right side.Based on above-mentioned setting and by main girder frame component left and right beam group arrangement, the fixed group of folding, steering lock mechanism, Zong Zhe handles mechanism and brake the design of inversion mechanism so that bicycle is compact with folding volume, folding operation is convenient, the number of advantages such as efficient of riding.

Description

A kind of folding bicycle

Technical field

The present invention relates to a kind of vehicles, it is a kind of folding bicycle.

Background technology

Bicycle is used for riding instead of walk, go on a journey as a kind of vehicles of environmental protection；Many people are using bicycle as fitness equipment It goes on a tour for exercise of riding, leisure；Cycling itself, which also develops, has multinomial Professional competition to move, have road race, Mountain bike, Track cycling, stunt cycle racing etc..

Folding bicycle belongs to a classification of bicycle.General folding bicycle can not manually be rolled over by external tool Folded or expansion can reduce volume, to more easily be put into car standby after folding by length and height dimension are reduced Case.With popularizing for family saloon, high-end folding bicycle receives liking for more and more users, and 4+2 moulds are formed with car The leisure that formula greatly extends people is gone on a tour and body-building.

But existing folding bicycle still has following defects：

One, size is still huge after folding, and is unfavorable for carrying and store；

Two, it folds and expansion operating process is complicated and unreliable, user is not happy to folding operation；

Three, the layout and design of fold mechanism cause integral rigidity insufficient.Reduce ride efficiency and experience of riding.

Invention content：

The purpose of the present invention is further decrease to fold rear vehicle volume；Simplify and folds or be unfolded operation difficulty；Promote folding Ride efficiency and the experience of riding of folded bicycle.

The technical solution adopted by the present invention to solve the technical problems is：A kind of folding bicycle, which is characterized in that packet It includes：

A, preceding riser assemblies, including：Preceding standpipe folds connecting seat, preceding standpipe, preceding standpipe back flap hinge chain rivet, preceding standpipe and folds Button, armrest assembly, preceding standpipe back flap hinge chain rivet are in preceding standpipe and fold connecting seat front left side, and preceding standpipe folding fastener is in preceding standpipe Connecting seat right lateral side is folded, first group of folding fixed part be set by lower part above preceding standpipe, by top setting the above preceding standpipe Two groups of folding fixed parts；

B, prenex tube assembly, including：Preceding beam tube, preceding beam tube upper rack posts, preceding beam tube lower fulcrum bar, preceding beam tube upper rack posts are welded on Preceding beam tube upper front, standpipe lower rearward side, preceding beam tube upper rack posts before preceding beam tube lower fulcrum bar is welded on by lower fulcrum bar support plate And preceding beam tube lower fulcrum bar is "working"-shaped with preceding beam tube forward sight, and 1 hole is respectively opened on the left of preceding beam tube upper rack posts and preceding beam tube lower fulcrum bar Cross break hinge hole group is formed, an open pore composition cross break permanent opening is respectively opened on the right side of preceding beam tube upper rack posts and preceding beam tube lower fulcrum bar Hole group, cross break hinge hole group is concentric and axial line is "X" shape with preceding beam tube side view and intersects, and cross break permanent opening hole group is coaxial The heart and axial line are "X" shape with preceding beam tube side view to intersect；

C, main girder frame component, including：Left beam group, right beam group, cross break hinge axis, cross break back-up wrench, neutral tube, five are led to Pipe, left beam group and right beam group along the symmetrical distribution of vehicle centre-line, left beam group rear portion and right beam group rear portion respectively with neutral tube It is welded to connect, right beam group front upper part setting third group folds fixed part, and cross break hinge tube, cross break hinge tube is arranged in left beam group front end Cross break fixing pipe is arranged in interpolation cross break hinge axis, right beam group front end, and cross break back-up wrench, cross break hinge are installed in cross break fixing pipe upper end Chain pipe and cross break fixing pipe, which are "X" shape with preceding beam tube side view, intersects；

D, the 4th group of folding fixed part is arranged in rear portion on the right side above rear fork assemblies；

First group of folding fixed part and second group of folding fixed part folded state respectively with third group and the 4th group Fixed part clamping matching is folded, first group of folding fixed part form is strip projected parts or groove, and correspondingly third group, which folds, fixes Portion's form is strip groove or protrusion, and second group of folding fixed part form is that hook or link, correspondingly the 4th group of folding are fixed Portion's form is link or hook；

When in folded state, rear wheels are among the left beam group and right beam group, and preceding standpipe folds connecting seat, toe-in Tube assembly, front fork assembly and front wheels rotate counterclockwise around cross break hinge axis and are folded to vehicle left side, and preceding standpipe is folded around preceding standpipe Hinge axis is folded to vehicle right side across vehicle centre-line.

The present invention is further arranged to：By the vertical folding handle assemblies of top setting on the neutral tube, indulge in folding handle assemblies The vertical folding hook of setting, the vertical folding hook normally off hook the vertical folding positioning pin on rear fork assemblies；

Being additionally provided in vertical folding handle assemblies makes vertical Flexible Reset body of the folding hook in normally off.

The present invention is further arranged to：The preceding standpipe, which folds, to be turned above connecting seat by lower part setting on the right of its periphery To latch recess, steering locking sliding slot is set by top on the right of its periphery above preceding beam tube, is equipped in steering locking sliding slot Steering lock rationed marketing, steering lock rationed marketing bottom are connected with steering lock pin return springs, when folding steering lock rationed marketing stretch into steering lock Determine groove；

It is equipped with steering locking shifting block on cross break back-up wrench at the nearly shaft in left side, when vehicle unfolded state, steering locking Shifting block is pressed on steering lock pin return springs, and steering lock rationed marketing is detached from steering locking groove.

The present invention is further arranged to：The left beam group lower part and right beam group lower part are to extension on rear side of neutral tube and in rear end The vertical folding hinge hole of welding or hinge form of tubes.

The present invention is further arranged to：Setting brake brakes mounting base above mounting base above the armrest assembly It is radially provided with transpositing pin fixing groove along its circumference, brake is also set up above armrest assembly fixed seat, is braked above fixed seat Transposition pin runner is radially set along its circumference, is equipped with transpositing pin in transposition pin runner and transpositing pin resetting spring, transpositing pin stretches into In transpositing pin fixing groove；

Transposition spanner is also set up above brake clip fixed seat, transposition spanner one end is connect by axis pin with transpositing pin, replaced Transpositing pin is detached from transpositing pin fixing groove when spanner presses.

The present invention is further arranged to：The preceding standpipe folds above folding connection lower plate and preceding standpipe above connecting seat Folding connection upper plate be in hang and with preceding standpipe axial line angle be less than 70 degree.

The present invention is further arranged to：The left beam group is connected with right beam group top by front end welding bracing piece I, bracing piece On I weld bracing piece II and bracing piece III respectively it is oblique be welded to connect in cross break hinge tube middle and lower part and cross break fixing pipe under Portion.

The present invention is further arranged to：The rear wheels and front wheels are in folded state and are staggered when around, at front wheels In rear wheels rear portion, front wheels axle center is staggered with rear wheels axle center more than 100 millimeters.

The present invention is further arranged to：The strip groove opening that the third group folds fixed part is provided with guiding chamfering.

The present invention is further arranged to：The neutral tube lower weld Five-way tube, Five-way tube are on rear side of neutral tube, and five is logical Bracing piece is welded at left and right sides of pipe respectively and oblique is welded to connect on rear side of neutral tube and under left beam group lower part rear end and right beam group Portion rear end.

Compared with prior art, a kind of folding bicycle for using above-mentioned technical proposal, has the advantages that：

One, size is small and exquisite after folding, and is more conducive to carrying and storage.

Two, folding operation is simpler, folds fixed reliable.

Three, overall structure is more rigid, is conducive to be promoted ride efficiency and experience of riding.

Description of the drawings

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is 1 expanded view of the embodiment of the present invention.

Fig. 2 is 1 laterally folded figure of the embodiment of the present invention.

Fig. 3 is 1 steering locking figure of the embodiment of the present invention.

Fig. 4 is that the embodiment of the present invention 1 turns to unlock figure.

Fig. 5 is the vertical folding mechanism map of the embodiment of the present invention 1.

Fig. 6 is the brake of the embodiment of the present invention 1 inversion mechanism figure.

Fig. 7 is that the embodiment of the present invention 1 folds side view completely.

Fig. 8 is that the embodiment of the present invention 1 folds vertical view completely.

Fig. 9 is that the embodiment of the present invention 1 folds fixed structure chart.

Figure 10 is 2 expanded view of the embodiment of the present invention.

Reference numeral：1, preceding riser assemblies；101, preceding standpipe folds connecting seat；102, preceding standpipe；103, preceding standpipe folds Hinge axis；104, preceding standpipe folding fastener；105, armrest assembly；.1011 connection lower plate, is folded；1012, steering locking groove； 1021, first group of folding fixed part；1022, second group of folding fixed part；1023, connection upper plate is folded；1024, preceding standpipe locking Button；1051, right brake handle；1052, left brake handle；1053, speed change is dialled；1054, brake is mounting base；1055, brake is fixed Seat；1054a, transpositing pin fixing groove；1055a, transposition pin runner；1055b, transpositing pin；1055c, transpositing pin resetting spring； 1055d, transposition spanner；1055e, axis pin；

2, prenex tube assembly；201, preceding beam tube；202, preceding beam tube upper rack posts；203, preceding beam tube lower fulcrum bar；2011, cross break is cut with scissors Chain hole group；2012, cross break permanent opening hole group；2013, steering locking sliding slot；2014, steering lock rationed marketing；2015, steering locking Sell resetting spring；2031, lower fulcrum bar support plate；

3, main girder frame component；301, left beam group；302, right beam group；303, cross break hinge axis；304, cross break back-up wrench； 305, neutral tube；306, Five-way tube；307, vehicle centre-line；3011, cross break hinge tube；3012, bracing piece I；3013, bracing piece II；3014, folding hinge hole is indulged；3021, cross break fixing pipe；3022, third group folds fixed part；3023, bracing piece III；3041, Steering locking shifting block；3042, shaft；3051, folding handle assemblies are indulged；3052, folding hook is indulged；3053, Flexible Reset body；3054, Supporting pin；3055, folding support plate is indulged；3061, bracing piece；3022a, chamfering；

4, rear fork assemblies；401, back vent；402, folding positioning pin is indulged；403, folding hinge axis is indulged；404, the 4th group of folding is fixed Portion；405, shock absorbing resilient body；406, rear braking presss from both sides；407, easy wheel；4011, folding hinge tube is indulged；

5, front fork assembly；501, front fork；502, front brake presss from both sides；

6, front wheels；601, front wheels Quick release；602, electronics force aid system；6021, motor；6022, battery pack；

7, rear wheels；701, rear wheels Quick release；

8, saddle component；801, saddle；802, seatpost；803, seatpost tight locking button；

9, transmission component；901, footrest component；902, deep bid；903, chain；904, flywheel assembly；905, speed changer.

The present invention is described further below in conjunction with the accompanying drawings.

Embodiment 1：A kind of folding bicycle as shown in Fig. 1 to 7, including：Preceding riser assemblies (1), prenex tube assembly (2), Main girder frame component (3), rear fork assemblies (4), front fork assembly (5), front wheels (6), rear wheels (7), saddle component (8) and transmission group Part (9).

One, preceding riser assemblies (1)：

Preceding riser assemblies (1), including preceding standpipe fold connecting seat (101), preceding standpipe (102), preceding standpipe back flap hinge chain rivet (103), preceding standpipe folding fastener (104), armrest assembly (105).Preceding standpipe folds connecting seat (101) and passes through with preceding standpipe (102) Preceding standpipe back flap hinge chain rivet (103) connection, armrest assembly (105) are inserted on preceding standpipe (102) and by preceding standpipe tight locking button (1024) it locks.

Preceding standpipe folds connecting seat (101) left front and has grown folding connection lower plate (1011), and preceding standpipe (102) lower end is left Front has grown folding connection upper plate (1023), and it is in sagging type to fold connection lower plate (1011) and fold connection upper plate (1023) So that volume after folding is compacter.

Preceding standpipe (102) is provided with first group of folding fixed part (1021) by lower part above, and form is strip projected parts；Before Standpipe (102) is provided with second group of folding fixed part (1022) by top above, and form is hook；First group of folding fixed part (1021) and second group of folding fixed part (1022) can be in folded state and other folding fixed part clamping matchings, to fixed vehicle Folded state, behind have and related carefully state.

Right brake is installed on armrest assembly (105), (1052), speed change are dialled (1053), brake by (1051), left brake Mounting base (1054) and brake fixed seat (1055)；Mounting base (1054) upper edge, its circumference is radially provided with transpositing pin for brake Fixing groove (1054a), fixed seat (1055) upper edge, its circumference is radially provided with transposition pin runner (1055a), transposition for corresponding brake Transpositing pin (1055b) and transpositing pin resetting spring (1055c) are housed in pin runner (1055a), braked in fixed seat (1055) It is additionally provided with transposition spanner (1055d), transposition spanner one end (1055d) is connect with transpositing pin (1055b) by axis pin (1055e), Spanner (1055d) the stage casing protrusion that replaces is as leverage fulcrum；Transpositing pin (1055b) quilt when spanner (1055d) that replaces presses Pulling lifts to be detached from out of transpositing pin fixing groove (1054a), the left brake handle being mounted in brake clip mounting base (1054) (1052) so as to rotational transform position, (1052) and vehicle other parts is collided to avoid rear left brake is folded, make vehicle Volume after folding is compacter.

Preceding standpipe back flap hinge chain rivet (103) is plugged on folding connection lower plate (1011) and folds connection upper plate (1021) front And connecting seat (101) front left side is folded in preceding standpipe, preceding standpipe folding fastener (104) is mounted on preceding standpipe and folds connecting seat (101) right lateral side；Arrange in this way, when folding operation before riser assemblies (1) first cross break turns to 180 degree, preceding standpipe counterclockwise (102) it is folded to vehicle right side across vehicle centre-line (307) further around preceding standpipe back flap hinge chain rivet (103), folds back bar component (105) the right brake on protrudes (1052) (1051) and left brake towards vehicle interior side, makes volume after folding so more Step up to gather.

Two, prenex tube assembly (2)：

Prenex tube assembly (2), including preceding beam tube (201), preceding beam tube upper rack posts (202), preceding beam tube lower fulcrum bar (203).Before Beam tube upper rack posts (202) are welded on preceding beam tube (201) upper front, and preceding beam tube lower fulcrum bar (203) passes through lower fulcrum bar support plate (2031) preceding beam tube (201) lower rearward side, preceding beam tube upper rack posts (202) and preceding beam tube lower fulcrum bar (203) and preceding beam tube are welded on (201) forward sight is "working"-shaped；It is horizontal that a hole composition is respectively opened on the left of preceding beam tube upper rack posts (202) and preceding beam tube lower fulcrum bar (203) Hinge hole group (2011) is rolled over, it is horizontal that an open pore composition is respectively opened on the right side of preceding beam tube upper rack posts (202) and preceding beam tube lower fulcrum bar (203) Roll over permanent opening hole group (2012)；Cross break hinge hole group (2011) is concentric and axial line and preceding beam tube (201) side view are in " X " Shape intersects；Cross break permanent opening hole group (2012) is concentric and axial line is "X" shape with preceding beam tube (201) side view and intersects；It is horizontal Folding hinge hole group (2011) and cross break permanent opening hole group (2012) are this for connecting and fixing aftermentioned main girder frame component (3) Connection is arranged at preceding beam tube and " X " shape chi structure is conducive to raising and connects preceding degree and connect rigid, the effect so that promotion is ridden Rate and experience of riding.

Preceding beam tube (201) leans on top on the right of its periphery to be provided with steering locking sliding slot (2013), steering locking above Steering lock rationed marketing (2014) is equipped in sliding slot (2013), steering lock rationed marketing (2014) bottom is connected with steering lock pin return springs (2015)；And aforementioned preceding standpipe connecting seat (101) is correspondingly provided with steering locking groove by its periphery lower part above (1012)；Steering lock rationed marketing (2014) is stretched into steering locking groove (1012) to lock prenex tube assembly when vehicle folding (2) and aforementioned preceding riser assemblies (1) make no longer to relatively rotate between them, can hold aforementioned armrest assembly (105) in this way Cross break operation is carried out, so that folding operation is more convenient.

Steering lock pin return springs (2015) more can the linkage of related to other cross break part so that steering lock rationed marketing (2014) steering lock rationed marketing (2014) is automatically de- when resetting and automatically extended into steering locking groove (1012) when folding, and being unfolded It is further easy to use from steering locking groove (1012), behind have and related carefully state.

One, main girder frame component (3)：

Main girder frame component (3), including left beam group (301), right beam group (302), cross break hinge axis (303), cross break fixation pull Hand (304), neutral tube (305) and Five-way tube (306).Left beam group (301) and right beam group (302) are along vehicle centre-line (307) left side It is right symmetrical；Left beam group (301) rear portion and right beam group (302) rear portion are welded to connect with neutral tube (305) respectively；Left beam group (301) front end is welded with cross break hinge tube (3011) and connects beam column up and down, cross break hinge tube (3011) interpolation cross break hinge axis (303)；Right beam group (302) front end is welded with cross break fixing pipe (3021) and connects beam column up and down, in cross break fixing pipe (3021) End installation cross break back-up wrench (304)；Cross break hinge tube (3011) and cross break fixing pipe (3021) with aforementioned preceding beam tube (201) Side view is "X" shape intersection；

Left beam group (301) and right beam group (302) top are connected by front end welding bracing piece I (3012), bracing piece I (3012) Upper welding bracing piece II (3013) and bracing piece III (3023) is oblique respectively is welded to connect in cross break hinge tube (3011) middle and lower part And cross break fixing pipe (3021) middle and lower part；Left beam group (301) lower part and right beam group (302) lower part are prolonged to neutral tube (305) rear side It stretches and welds vertical folding hinge hole (3014) in rear end.

Above-mentioned arrangement is conducive to be promoted the structural strength and rigidity of main girder frame component (3), the rear wheels (7) after folding It places intermediate with left beam group (301) and right beam group (302) and passes through their tops, and locate always before and after rear wheels (7) folding In the car on heart line (307), this makes it possible highly only have tire height after vehicle folding, and is conducive to be promoted and ride Line efficiency and experience of riding.

Right beam group (302) front upper part is provided with third group and folds fixed part (3022), and form is strip groove, and item Shape slot opening, which is provided with, is oriented to chamfering (3022a)；Third group folds fixed part (3022) in folded state and aforementioned first group Fixed part (1021) clamping matching is folded, the strip projected parts of first group of folding fixed part (1021) are caught in third group and fold fixed part (3022) in strip groove, to make above-mentioned preceding riser assemblies (1) be fixed in folded state.

Neutral tube (305) leans on the vertical folding handle assemblies (3051) of top setting, vertical folding handle assemblies (3051) to be equipped with above Vertical folding hook (3052) and Flexible Reset body (3053), vertical folding handle assemblies (3051) are by supporting pin (3054) and in being welded on The vertical folding support plate (3055) on standpipe (305) top connects；Flexible Reset body (3053) makes vertical folding hook (3052) be in normally closed State indulges folding hook (3052) and hooks the vertical folding positioning pin (402) on aftermentioned rear fork assemblies (4) at this time；Lift when vertical folding operation Vertical folding handle assemblies (3051) overcome Flexible Reset to lift vehicle rear while indulge folding hook (3052) under leverage Body (3053) limits and is detached from vertical folding positioning pin (402), and rear fork assemblies (4) and rear wheels connected to it (7) are in gravity Under got rid of to front side around aftermentioned vertical folding hinge axis (403).It is this to make to close automatically when folding operation by vertical folding handle assemblies (3051) The vertical folding hook (3052) of connection unlock, folding operation accomplishs without any letup, and keeps folding operation simpler, makes one to be happy to folding operation.

Cross break back-up wrench (304) leans on be equipped with steering locking shifting block (3041), vehicle at the nearly shaft in left side (3042) above When unfolded state, cross break back-up wrench (304) is in tightening state, and steering locking shifting block (3041) thereon is pressed in aforementioned steering It on locking pin resetting spring (2015) and is allowed to further compress, aforementioned turn to locking pin resetting spring (2015) be connected Steering locking groove (1012) is automatically disengaged to locking pin (2014).

Neutral tube (305) lower weld Five-way tube (306), Five-way tube (306) are on rear side of neutral tube (305), Five-way tube (306) left and right sides be welded with respectively bracing piece (3061) and it is oblique be welded to connect on rear side of neutral tube (305) and left beam group (301) under Portion rear end and right beam group (302) lower part rear end.This set makes rigidity reinforced, rides efficient, and makes aftermentioned saddle When holder assembly (8) adjusts height, five logical (306) axle center and saddle (801) central point connecting line level angle are 74 degree to 72 degree Between change and with saddle (801) height-regulating gradually become smaller, make the bicyclist of different height can adjust be suitble to the angle of oneself Degree.

One, rear fork assemblies (4)：

Rear fork assemblies (4), including back vent (401), vertical folding positioning pin (402), vertical folding hinge axis (403), the 4th group of folding Fixed part (404), shock absorbing resilient body (405), rear braking folder (406) and easy wheel (407).Rear fork assemblies (4) are above on the right side Rear portion is welded with the 4th group of folding fixed part (404), and form is link；4th group of folding fixed part when in folded state (404) it hangs over and is fixed on the hook of aforementioned second group of folding fixed part (1022), vehicle rear fork assemblies (4) are moved after folding in this way It will not scatter because of gravity, while fold or operation is unfolded and not needing any additional unlocking motion, it is convenient and reliable.

Forward subordinate side is welded with vertical folding hinge tube (4011) to back vent (401) above, and it is vertical to indulge folding hinge tube (4011) interpolation Roll over hinge axis (403)；Back vent (401) leans on front top installation shock absorbing resilient body (405), shock absorbing resilient body (405) front end above It is connected with vertical folding positioning pin (402)；Rear fork assemblies (4) also install rear braking by top above and press from both sides (406), and back vent (401) is above Easy wheel (407) is housed, when folded state facilitates implementation and support on the right side of the top of front.

Two, front fork assembly (5)：

Front fork assembly (5), including front fork (501) and front brake folder (502).Front brake presss from both sides (502) and is mounted on front fork (501) On rear side of top；Front fork (501) passes through aforementioned prenex tube assembly (2) to fold connecting seat (101) with aforementioned preceding standpipe and is fastenedly connected, preceding It pitches (501) lower part and aftermentioned front wheels (6) is installed.

Six, front wheels (6)：

Front wheels (6), including front wheels (6) and for installing fixed front wheels Quick release (601).Front wheels (6) are logical Front wheels Quick release (601) is crossed to be fixed on aforementioned front fork (501).

The present embodiment is using manpower as power output, and front wheels (6) are rotated as slave unit by pavement friction.

Seven, rear wheels (7)：

Rear wheels (7), including rear wheels (7) and for installing fixed rear wheels Quick release (701).Rear wheels (7) are logical Rear wheels Quick release (701) is crossed to be fixed on aforementioned rear fork assemblies (4).

The present embodiment is to drive rear wheels (7) to rotate using manpower as power output, and to rub, road surface makes vehicle travel.

Rear wheels (7) are staggered before and after folded state and aforementioned front wheels (6), after front wheels (6) are located at rear wheels (7) Portion, front wheels (6) axle center are staggered with rear wheels (7) axle center more than 100 millimeters, and this arrangement further reduces folding rear car Width.

Eight, saddle component (8)：

Saddle component (8), including saddle (801), seatpost (802) and seatpost tight locking button (803).Unclamp seatpost tight locking button (803) seatpost (802) can be twitched to adjust saddle (801) height, fastening seatpost tight locking button (803) can fasten seatpost (802)。

Nine, transmission component (9)：

Transmission component (9), including footrest component (901), deep bid (902), chain (903), flywheel assembly (904) and speed change Device (905).

Due to being in vehicle centre-line (307) in aforementioned rear wheels (7) before being folded rear and folding process, to It effectively avoids chain (903) in folding process or falls off after folding.

Embodiment 2：A kind of folding bicycle as shown in Figure 8, compared with Example 1, feature is：In the present embodiment Electric power power-assisted driving system (602) is used, while the electric power power-assisted driving system can be used for brake deceleration or downhill retardation Energy regenerating in the process.

Front wheels (6) incorporate electronics force aid system (602), including motor (6021) and battery pack (6022) above. Motor (6021) is installed at the axle center of front wheels (6), for driving front wheels (6) to rotate, is subtracted in brake deceleration or descending It can also generate electricity during speed, to convert kinetic energy into electric energy；Battery pack is set on rear side of neutral tube (305), for providing drive Dynamic electric power provides vehicle-mounted or/carrying electronic equipment electric power and the electric energy of storage recycling.

Embodiment described above 1 and the preferred embodiments that embodiment 2 is the present invention, for the ordinary skill people of this field For member without departing from the principles of the invention, several variations and modifications can also be made, these also should be regarded as the present invention's Protection domain.

Claims

1. a kind of folding bicycle, including preceding riser assemblies (1), prenex tube assembly (2), main girder frame component (3), rear fork assemblies (4), which is characterized in that including：

A, preceding riser assemblies (1), including：Preceding standpipe folds connecting seat (101), preceding standpipe (102), preceding standpipe back flap hinge chain rivet (103), preceding standpipe folding fastener (104), armrest assembly (105), preceding standpipe back flap hinge chain rivet (103) are in preceding standpipe and fold connection Seat (101) front left side, preceding standpipe folding fastener (104) be in preceding standpipe folding connecting seat (101) right lateral side, on preceding standpipe (102) First group of folding fixed part (1021) is arranged by lower part in face, leans on top that second group of folding fixed part is arranged above preceding standpipe (1022)；

B, prenex tube assembly (2), including：Preceding beam tube (201), preceding beam tube upper rack posts (202), preceding beam tube lower fulcrum bar (203), it is prenex Pipe upper rack posts (202) are welded on preceding beam tube (201) upper front, and preceding beam tube lower fulcrum bar (203) passes through lower fulcrum bar support plate (2031) preceding standpipe (201) lower rearward side, preceding beam tube upper rack posts (202) and preceding beam tube lower fulcrum bar (203) and preceding beam tube are welded on (201) forward sight is "working"-shaped, and 1 hole composition cross break is respectively opened on the left of preceding beam tube upper rack posts (202) and preceding beam tube lower fulcrum bar (203) An open pore composition cross break is respectively opened on the right side of hinge hole group (2011), preceding beam tube upper rack posts (202) and preceding beam tube lower fulcrum bar (203) Permanent opening hole group (2012), cross break hinge hole group (2011) is concentric and axial line is "X" shape with preceding beam tube (201) side view Intersect, cross break permanent opening hole group (2012) is concentric and axial line is "X" shape with preceding beam tube (201) side view and intersects；

C, main girder frame component (3), including：Left beam group (301), right beam group (302), cross break hinge axis (303), cross break back-up wrench (304), neutral tube (305), Five-way tube (306), left beam group (301) and right beam group (302) are along vehicle centre-line (307) left and right pair Distribution, left beam group (301) rear portion and right beam group (302) rear portion is claimed to be welded to connect respectively with neutral tube (305), right beam group (302) Front upper part is arranged third group and folds fixed part (3022), left beam group (301) front end setting cross break hinge tube (3011), cross break hinge Manage (3011) interpolation cross break hinge axis (303), right beam group (302) front end setting cross break fixing pipe (3021), cross break fixing pipe (3021) upper end installation cross break back-up wrench (304), cross break hinge tube (3011) and cross break fixing pipe (3021) with preceding beam tube (201) side view is "X" shape intersection；

D, the 4th group of folding fixed part (404) is arranged in rear portion to rear fork assemblies (4) on the right side above；

First group of folding fixed part (1021) and second group of folding fixed part (1022) folded state respectively with third group It folds fixed part (3022) and the 4th group of folding fixed part (404) clamping matching, first group of folding fixed part (1021) form is Strip projected parts or groove, it is strip groove or protrusion that correspondingly third group, which folds fixed part (3022) form, and second group of folding is solid It is hook or link to determine portion (1022) form, and correspondingly the 4th group of folding fixed part (404) form is link or hook；

When in folded state, rear wheels (7) are in the left beam group (301) and right beam group (302) is intermediate, and preceding standpipe, which folds, to be connected Joint chair (101), prenex tube assembly (2), front fork assembly (5) and front wheels (6) are rotated counterclockwise around cross break hinge axis (303) and are folded to Vehicle left side, preceding standpipe (102) are folded to vehicle right side around preceding standpipe back flap hinge chain rivet (103) across vehicle centre-line (307).

2. a kind of folding bicycle according to claim 1, it is characterized in that：It is arranged by top on the neutral tube (305) Vertical folding handle assemblies (3051) indulge the vertical folding hook (3052) of setting in folding handle assemblies (3051), the vertical folding hook (3052) Normally off hooks the vertical folding positioning pin (402) on rear fork assemblies；

The Flexible Reset body for making vertical folding hook (3052) be in normally off is additionally provided on vertical folding handle assemblies (3051) (3053)。

3. a kind of folding bicycle according to claim 1, it is characterized in that：The preceding standpipe folds on connecting seat (101) Face is leaned on the right of its periphery above by lower part setting steering locking groove (1012) on the right of its periphery, preceding beam tube (201) Steering locking sliding slot (2013) is arranged in top, and steering lock rationed marketing (2014), steering locking are equipped in steering locking sliding slot (2013) Pin (2014) bottom is connected with steering lock pin return springs (2015), when folding steering lock rationed marketing (2014) stretch into steering locking Groove (1012)；

Steering locking shifting block (3041) is equipped on cross break back-up wrench (304) at the nearly shaft in left side (3042), shape is unfolded in vehicle When state, steering locking shifting block (3041) is pressed on steering lock pin return springs (2015), and steering lock rationed marketing (2014), which is detached from, to be turned To latch recess (1012).

4. a kind of folding bicycle according to claim 1, it is characterized in that：Left beam group (301) lower part and right beam group (302) vertical folding hinge hole (3014) is welded in lower part to extension on rear side of neutral tube (305) and in rear end.

5. a kind of folding bicycle according to claim 1, it is characterized in that：Brake is arranged in the armrest assembly (105) above Mounting base (1054) is radially provided with transpositing pin fixing groove (1054a) along its circumference above, helped by handlebar mounting base (1054), brake Hand component (105) also sets up brake fixed seat (1055) above, and brake above radially sets fixed seat (1055) along its circumference Permutated bits pin runner (1055a), transposition positioning pin runner (1055a) is interior to be equipped with transpositing pin (1055b) and transpositing pin resetting spring (1055c), transpositing pin stretch into transpositing pin fixing groove (1054a)；

Fixed seat (1055) is also set up transposition spanner (1055d) by brake above, and transposition spanner one end (1055d) is logical with transpositing pin Axis pin (1055e) connection is crossed, transpositing pin (1055b) is detached from transpositing pin fixing groove (1054a) when transposition spanner (1055d) presses.

6. a kind of folding bicycle according to claim 1, it is characterized in that：The preceding standpipe folds on connecting seat (101) Face folding connection lower plate (1011) and preceding standpipe (102) above folding connection upper plate (1023) be in hang and with Preceding standpipe (102) axial line angle is less than 70 degree.

7. a kind of folding bicycle according to claim 1, it is characterized in that：The left beam group (301) and right beam group (302) Top is connected by front end welding bracing piece I (3012), welding bracing piece II (3013) and bracing piece III on bracing piece I (3012) (3023) oblique respectively to be welded to connect in cross break hinge tube (3011) middle and lower part and cross break fixing pipe (3021) middle and lower part.

8. a kind of folding bicycle according to claim 1, it is characterized in that：The rear wheels (7) and front wheels (6) are in Folded state is staggered when around, and front wheels (6) are in rear wheels (7) rear portion, and front wheels (6) axle center is wrong with rear wheels (7) axle center It opens and is more than 100 millimeters.

9. a kind of folding bicycle according to claim 1, it is characterized in that：The third group folds fixed part (3022) Strip groove opening, which is provided with, is oriented to chamfering (3022a).

10. a kind of folding bicycle according to claim 1, it is characterized in that：Neutral tube (305) lower weld five is logical It manages (306), Five-way tube (306) is on rear side of neutral tube (305), and bracing piece is welded with respectively at left and right sides of Five-way tube (306) (3061) and it is oblique be welded to connect on rear side of neutral tube (305) and left beam group (301) lower part rear end and right beam group (302) lower part after End.