CN102700663B - One-step folding bicycle - Google Patents
One-step folding bicycle Download PDFInfo
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- CN102700663B CN102700663B CN201210179537.XA CN201210179537A CN102700663B CN 102700663 B CN102700663 B CN 102700663B CN 201210179537 A CN201210179537 A CN 201210179537A CN 102700663 B CN102700663 B CN 102700663B
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- saddle
- vehicle frame
- stem
- connecting rod
- bicycle
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Abstract
The invention relates to a one-step folding bicycle, comprising a bicycle frame, a handlebar arranged at the front upper part of the bicycle frame, and a saddle arranged at the rear lower part of the bicycle frame. The one-step folding bicycle is characterized in that a handlebar stem capable of rotating back and forth relative to the bicycle frame and a front fork which is capable of rotating back and forth relative to the bicycle frame and is arranged under the handlebar stem are arranged at the front end of the bicycle frame, a front and a rear saddle posts capable of rotating back and forth relative to the bicycle frame are arranged at the rear end of the bicycle frame, the front and rear ends of the saddle are respectively hinged with the upper ends of the front and rear saddle posts, the upper end of the handlebar stem is hinged with the front end of a first connecting rod, the rear end of a second connecting rod is connected with the lower end of the rear saddle post and rotates synchronously therewith, and the rear end of the first connecting rod is hinged with the front end of the second connecting rod. Compared with the prior art, the one-step folding bicycle has the advantages that the handlebar and the saddle can be folded synchronously, so that the folding is convenient; with the bicycle frame consisting of a first and a second bicycle frames, the integral structure of the bicycle is firm, and all parts are located between the first and second bicycle frames after the bicycle is folded, thereby causing the external structure of the bicycle to be simple.
Description
Technical field
The present invention relates to a kind of bicycle, specifically refer to a kind of Foldable bicycle.
Background technology
Folding bicycle general structure is all comparatively compact, and volume after folding is less, is very suitable for people and goes out to carry.Existing most of folding bicycle is all that to carry out left and right along the midperpendicalar of vehicle frame folding substantially, and to need to carry out substep folding more, folds comparatively time-consuming.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned prior art present situation, a kind of folding convenient is provided and can carries out to handlebar and saddle the folding bicycle of synchronous folding.
Another technical matters to be solved by this invention is to provide comparatively firmly folding bicycle of a kind of structure.
Another technical matters to be solved by this invention is to provide a kind of folding rear comparatively succinct folding bicycle of external structure.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of folding bicycle, comprise vehicle frame, be located at the handlebar of vehicle frame front upper place and be located at the saddle of vehicle frame back upper place, it is characterized in that: also include first connecting rod and second connecting rod, the front end of described vehicle frame is provided with for supported cart the stem that also can rotate before and after this vehicle frame is done, also be provided with a vertical tube of front fork that can rotate before and after vehicle frame is done and that be positioned at described stem below, front-wheel is arranged on vertical tube of front fork by front fork.The rear end of described vehicle frame is provided with upper end above vehicle frame top and vertical rod after vertical rod and saddle before the saddle that relatively this vehicle frame is done rotate front and back, described saddle rear and front end is articulated with respectively the front vertical rod of above-mentioned saddle, the upper end of rear vertical rod, the front end of described first connecting rod and the upper end of described stem are hinged, the rear end of described second connecting rod be connected with vertical rod lower end after described saddle and with saddle after vertical rod keep synchronizeing rotation, simultaneously, described first connecting rod extends to the back lower place from front end, described second connecting rod extends to front lower place from rear end, and the rear end of first connecting rod and described second connecting rod front end are hinged.
In order to make front-wheel carry out synchronous folding with handlebar and saddle, the lower end of described vertical tube of front fork and the front end of third connecting rod are hinged, and the rear end of this third connecting rod is hinged with the front end of described the second vertical rod and the rear end of described first connecting rod simultaneously.Like this, handlebar and saddle carry out folding in, under the drive of third connecting rod, front-wheel is rotated to be received to vehicle frame below, thereby makes the bicycle volume after folding less, carries more convenient; In addition, bicycle is under folded state not time, and vertical tube of front fork and stem are on same straight line and be mutually fastened togather.
In order further to reduce the volume of the bicycle after folding, the posterior end portion of described vehicle frame is provided with the back vent that vehicle frame rotate before and after doing relatively, is also provided with the back vent after rotation is forward fixed on to the positive stop below vehicle frame in the posterior end of vehicle frame portion.Under positive stop effect, back vent and trailing wheel are limited in vehicle frame below.
In order to make the structure of folding bicycle comparatively firm, described vehicle frame comprises the first vehicle frame and the second vehicle frame that lay respectively at the car body left and right sides, there are respectively front and back at the top of the first vehicle frame and the second vehicle frame to the first cross bar and the second cross bar that distribute, between the first cross bar bottom and the second cross bar bottom, pass through successively from front to back the first rotating shaft, the second rotating shaft is connected with the 3rd rotating shaft, and above-mentioned each rotating shaft is all perpendicular to the first described cross bar and the second cross bar, the lower end of described stem is fixed in the first rotating shaft, before described saddle, the lower end of vertical rod is fixed in the second rotating shaft, after described saddle, the lower end of vertical rod is fixed in the 3rd rotating shaft.By being positioned at the first vehicle frame and second vehicle frame of car body both sides, and be connected to each rotating shaft between first, second cross bar, make the structural strength of car body better.Certainly, except adopting above-mentioned bilateral vehicle frame, also can adopt existing one-sided vehicle frame, but the structural strength of one-sided vehicle frame is lower, the external structure of folding rear bicycle is also succinct not.
As such scheme preferably, the front vertical rod of described saddle, rear vertical rod are two, and lay respectively between described the first cross bar and the second cross bar, described saddle comprises the first saddle and the second saddle that left and right separates, the upper end of described stem is provided with verticle stem of handlebar, described handlebar is arranged on this verticle stem of handlebar, under bicycle folded state, after two described saddles, vertical rod is embedded between above-mentioned the first saddle and the second saddle, and described verticle stem of handlebar is embedded in after two described saddles between vertical rod.Like this, just can mutually not stop in synchronous folding process at verticle stem of handlebar, the forward and backward vertical rod of saddle and saddle, folding can carrying out smoothly, and after folding above-mentioned parts also between the first vehicle frame and the second vehicle frame, thereby make the bicycle external structure after folding comparatively succinct.
As such scheme further preferably, under bicycle folded state, the first described saddle and the left handle of the second saddle and described handlebar and right handle are subject to described the first cross bar and the second stopping of cross bar and spacing respectively.Like this, when first, second saddle turn to lean with first, second cross bar after just no longer rotate, similarly, when left and right handle turn to lean with first, second cross bar after just no longer rotate.
Further preferably, the first described rotating shaft below is provided with the 4th rotating shaft, and the 4th rotating shaft connects described the first vehicle frame and the second vehicle frame and parallels with this first rotating shaft, and the upper end of described vertical tube of front fork is fixed in the 4th rotating shaft.By the setting of the 4th rotating shaft, further improve on the one hand the structural strength of vehicle frame, be also convenient on the other hand vertical tube of front fork and do to rotate smoothly.
For vertical rod after more comfortable, the described saddle that makes to ride is upwards extended and is formed with saddle backrest.Like this, by bike time, back is leaned against to saddle backrest, can relieving sports fatigue, increase comfort level.
Compared with prior art, the invention has the advantages that: because the forward and backward vertical rod of saddle, saddle of this folding bicycle and the vehicle frame that is positioned between the forward and backward vertical rod of saddle form four-bar mechanism, and be positioned at vehicle frame rear end synchronize with vertical rod after saddle rotate second connecting rod can drive stem synchronously to rotate by first connecting rod, make to turn to forward near in the process of vehicle frame at saddle, stem drives handlebar synchronously to rotate backward until near vehicle frame, thereby realize the synchronous folding of handlebar and saddle, folding very convenient.In addition, because the present invention has also adopted the body frame structure for automotive being made up of the first vehicle frame and the second vehicle frame, not only make the integral structure of car body comparatively firm, and after folding, each parts, between the first vehicle frame and the second vehicle frame, make the external structure of bicycle seem comparatively succinct.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the embodiment of the present invention;
Fig. 2 is the three-dimensional structure diagram of another angle of folding bicycle shown in Fig. 1;
Fig. 3 is the left view of folding bicycle shown in Fig. 1;
Fig. 4 is left view when folding bicycle is partially folded shown in Fig. 1;
Fig. 5 is the three-dimensional structure diagram after folding bicycle shown in Fig. 1 folds completely;
Fig. 6 is the left view of folding bicycle shown in Fig. 5.
For making figure succinct, power part is not expressed in the drawings.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figures 1 to 6, the vehicle frame of the folding bicycle in the present embodiment is made up of the first vehicle frame 11 and the second vehicle frame 12, the first vehicle frame and the second vehicle frame are located at respectively the left and right sides of car body, the bicycle structure of this bilateral vehicle frame is more firm, and each assembly of bicycle equal inner space between the first vehicle frame 11 and the second vehicle frame 12 after folding
In, make the bicycle external structure after folding more succinct.Certainly, the present invention also can adopt one-sided body frame structure for automotive.There is respectively first cross bar 13 and second cross bar 14 of front and back to horizontal distribution at the top of the first vehicle frame 11 and the second vehicle frame 12, bottom at the first cross bar 13 is provided with the first axis hole 51 from front to back successively, the second axis hole 52 and Triaxial hole 53 totally three axis holes, bottom at the second cross bar 14 is also provided with the first corresponding axis hole 51 from front to back successively, the second axis hole 52 and Triaxial hole 53 totally three axis holes, between above-mentioned two the first axis holes 51, the first rotating shaft 41 is installed, between above-mentioned two the second axis holes 52, the second rotating shaft 42 is installed, between above-mentioned two Triaxial holes 53, the 3rd rotating shaft 43 is installed, and above-mentioned each rotating shaft is all perpendicular to the first cross bar 13 and the second cross bar 14.In addition, the front end of the first vehicle frame 11 be positioned at the first axis hole 51 below locate to be provided with the 4th axis hole 54, the front end of the second vehicle frame 12 be positioned at the first axis hole 51 below locate to be provided with the 4th axis hole 54, the four rotating shafts 44 and be arranged between above-mentioned two the 4th axis holes 54 and with the first rotating shaft 41 and parallel.
Before saddle, vertical rod 22 is two, between the first cross bar 13 and the second cross bar 14, and before two saddles, the lower end of vertical rod 22 is separately fixed at the two ends of the second rotating shaft 42, like this, along with the rotation of the second rotating shaft 42, before saddle, vertical rod 22 just can be rotated before and after the first cross bar and the second cross bar work, and before two saddles, the upper end of vertical rod 22 exceeds the first cross bar and the second cross bar and is hinged with the front end of the first saddle 51 and the second saddle 52 respectively.Accordingly, after saddle, vertical rod 23 is two, between the first cross bar 13 and the second cross bar 14, and after two saddles, the lower end of vertical rod 23 is separately fixed at the two ends of the 3rd rotating shaft 43, like this, along with the rotation of the 3rd rotating shaft 43, before saddle, vertical rod 22 can be rotated before and after the first cross bar and the second cross bar work, after two saddles, the upper end of vertical rod 23 exceeds the first cross bar and the second cross bar and is hinged with the rear end of the first saddle 51 and the second saddle 52 respectively, and after two saddles, vertical rod 23 upwards extends to form saddle backrest 26.In addition, thereby the rear end of second connecting rod 32 is fixed in the 3rd rotating shaft 43 with vertical rod after two saddles 23 and keeps synchronize rotations, and this second connecting rod 32 is from its rear end to front lower place extension setting.Like this, saddle, the forward and backward vertical rod of saddle and the cross bar between second and third rotating shaft form four-bar mechanism jointly, when this four-bar mechanism work, saddle rotates to front lower place and is spacing until the first saddle 51 and the second saddle 52 were subject to respectively in the first cross bar 13 and stopping of the second cross bar 14, and can drive second connecting rod 32 to do backward synchronous rotation when this four-bar mechanism work.
The lower end of stem 21 is fixed in the first rotating shaft 41 and oblique back upper place arranges, and like this, along with the rotation of the first rotating shaft, stem 21 just can rotate before and after the first cross bar 13 and the second cross bar 14 works.Verticle stem of handlebar 24 is installed in upper end at stem 21, and the left handlebar 61 of handlebar and right handlebar 62 are arranged on the top of verticle stem of handlebar 24.The upper end of vertical tube of front fork 25 is fixed in the 4th rotating shaft 44 and oblique front lower place arranges, on the opposing end surface of stem 21 and vertical tube of front fork 25, be provided with the snap-in structure 27 of mutual engaging, bicycle is under folded state not, stem 21 also mutually snaps into one on same straight line with vertical tube of front fork 25, like this, when driving, just cannot fold parts such as stem 21 and verticle stem of handlebars 24, ensure traffic safety.Front fork 72 and front-wheel 82 are fixed on the below of vertical tube of front fork 25, the lower end of vertical tube of front fork 25 is hinged by connecting strap 34 and the front end of third connecting rod 33, the front end of the rear end of third connecting rod 33 and above-mentioned second connecting rod 32 is hinged, simultaneously, the rear end of third connecting rod 33 is also hinged with the rear end of first connecting rod 31, and from its rear end, oblique front upper place arranges and its front end is articulated with the upper end of stem 21 first connecting rod 31.Like this, in the time that above-mentioned four-bar mechanism work drives second connecting rod 32 synchronously to rotate backward, second connecting rod 32 can drive third connecting rod 33 and first connecting rod 31 to move backward.Third connecting rod 33 backward movement can drive vertical tube of front fork 25 and the parts such as front fork 72, front-wheel 82 that are fixed on vertical tube of front fork 25 rotate backward, and until be accommodated in the front end inside of the first vehicle frame 11 and the second vehicle frame 12; First connecting rod 31 backward movement can drive stem 21, verticle stem of handlebar 24 and handlebar to rotate backward, and spacing until left and right handlebar is subject to respectively stopping of first, second cross bar, to realize the synchronous folding of saddle, verticle stem of handlebar and front-wheel.Otherwise, rotate backward stem 21, verticle stem of handlebar 24 and handlebar, it finally drives vertical tube of front fork 25 and above-mentioned four-bar mechanism to move by first connecting rod 31, also can realize the synchronous folding of verticle stem of handlebar, front-wheel and saddle, specifically can, with reference to above-mentioned course of action, not repeat them here.
In the present embodiment, also be provided with trailing wheel fold mechanism, particularly, between the first vehicle frame 11 and the posterior end portion of the second vehicle frame 12, be provided with the back vent 71 that can rotate before and after vehicle frame is done, trailing wheel 81 is arranged on back vent 71, is respectively equipped with a positive stop 9 in the posterior end portion of the first vehicle frame and the second vehicle frame.When folding trailing wheel 81, rotate trailing wheel 81 and make its inside, rear end that is accommodated in the first vehicle frame 11 and the second vehicle frame 12, now, positive stop 9 can stop that back vent 71 rotates backward, thereby the bicycle volume after making to fold is less, carries more convenient.
For strengthening the sound construction degree of car body, and be simultaneously also convenient to each parts and be well on folding, the front vertical rod 22 of saddle, rear vertical rod 23 are two, and respectively between the first cross bar 13 and the second cross bar 14, saddle comprises the first saddle 51 and the second saddle 52 that left and right separates, under bicycle folded state, after two saddles, vertical rod 23 is embedded between above-mentioned the first saddle 51 and the second saddle 52, and verticle stem of handlebar 24 is embedded in after two saddles between vertical rod 23.Like this, vertical rod 22 before verticle stem of handlebar 24, saddle, rear vertical rod 23 and saddle just can mutually not stop in synchronous folding process, folding can carrying out smoothly.In addition, first connecting rod 31, second connecting rod 32 and third connecting rod 33 in the present embodiment also all adopt two, are also connected by reinforcing rod 10 in the bottom of the first vehicle frame 11 and the second vehicle frame 12, further strengthen the integral structure firmness of this folding bicycle with this.
The foregoing is only the preferred embodiment of the present invention; should be understood that; for those of ordinary skills; do not departing under principle prerequisite of the present invention; can make multiple remodeling or improvement to the present invention; such as, first connecting rod, second connecting rod and the third connecting rod in the present invention all can substitute with the similar attaching parts such as the first connecting strap, the second connecting strap and the 3rd connecting strap respectively, within these are all regarded as protection scope of the present invention.
Claims (1)
1. a folding bicycle, it is characterized in that: support the standpipe of handlebar and front fork to be divided into stem (21) and vertical tube of front fork (25), the front end of described vehicle frame is provided with for supported cart the stem (21) that also can rotate before and after this vehicle frame is done, the lower end of stem (21) is fixed on the upper and oblique back upper place of the first rotating shaft (41) and arranges, described vehicle frame front end is also provided with one can be relative to vehicle frame work front and back vertical tube of front fork (25) that rotate and that be positioned at described stem (21) below, the upper end of vertical tube of front fork (25) is fixed on the upper and oblique front lower place of the 4th rotating shaft (44) and arranges, in addition, on the opposing end surface of stem (21) and vertical tube of front fork (25), be provided with the snap-in structure (27) of mutual engaging, bicycle is under folded state not time, vertical tube of front fork and stem are also mutually fastened togather on same straight line, play the effect of the standpipe of one, in the time of folded state, be separated from each other,
Also include first connecting rod (31) and second connecting rod (32), the rear end of described vehicle frame is provided with upper end above vehicle frame top and vertical rod (23) after vertical rod (22) and saddle before the saddle that relatively this vehicle frame is done rotate front and back, described saddle rear and front end is articulated with respectively the front vertical rod (22) of above-mentioned saddle, the upper end of rear vertical rod (23), the upper end of the front end of described first connecting rod (31) and described stem (21) is hinged, the rear end of described second connecting rod (32) be connected with vertical rod (23) lower end after described saddle and with saddle after vertical rod (23) keep synchronizeing rotation, simultaneously, described first connecting rod (31) extends to the back lower place from front end, described second connecting rod (32) extends to front lower place from rear end, and the rear end of first connecting rod (31) and described second connecting rod (32) front end are hinged, the posterior end portion of described vehicle frame is provided with the back vent (71) that can rotate before and after vehicle frame is done, and is also provided with the positive stop (9) that the back vent (71) after rotating is forward fixed on to vehicle frame below in the posterior end of vehicle frame portion, described vehicle frame comprises the first vehicle frame (11) and the second vehicle frame (12) that lay respectively at the car body left and right sides, there are respectively front and back at the top of the first vehicle frame and the second vehicle frame to the first cross bar (13) and the second cross bar (14) that distribute, between the first cross bar bottom and the second cross bar bottom, pass through successively from front to back the first rotating shaft (41), the second rotating shaft (42) is connected with the 3rd rotating shaft (43), and above-mentioned each rotating shaft is all perpendicular to described the first cross bar (13) and the second cross bar (14), the lower end of described stem (21) is fixed in the first rotating shaft, before described saddle, the lower end of vertical rod (22) is fixed in the second rotating shaft, the lower end of vertical rod after described saddle (23) is fixed in the 3rd rotating shaft, vertical rod (22) before described saddle, rear vertical rod (23) is two, and lay respectively between described the first cross bar (13) and the second cross bar (14), described saddle comprises the first saddle (51) and the second saddle (52) that left and right separates, the upper end of described stem (21) is provided with verticle stem of handlebar (24), described handlebar is arranged on this verticle stem of handlebar, under bicycle folded state, after two described saddles, vertical rod (23) is embedded between above-mentioned the first saddle (51) and the second saddle (52), described verticle stem of handlebar (24) is embedded in after two described saddles between vertical rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210179537.XA CN102700663B (en) | 2012-06-04 | 2012-06-04 | One-step folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210179537.XA CN102700663B (en) | 2012-06-04 | 2012-06-04 | One-step folding bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102700663A CN102700663A (en) | 2012-10-03 |
| CN102700663B true CN102700663B (en) | 2014-06-25 |
Family
ID=46893815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210179537.XA Expired - Fee Related CN102700663B (en) | 2012-06-04 | 2012-06-04 | One-step folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102700663B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20155333A1 (en) * | 2015-10-29 | 2017-04-29 | Acta S R L | "FOLDABLE FRAME" |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700664A (en) * | 2012-06-04 | 2012-10-03 | 孙银花 | Folding bicycle with saddles favorable for healthy |
| US10647377B2 (en) | 2016-08-10 | 2020-05-12 | Shenzhen Relync Tech Ltd. | Foldable vehicle |
| CN106184552B (en) * | 2016-08-10 | 2019-02-12 | 深圳市随行科技有限公司 | A kind of folded bicycle |
| FR3089944A3 (en) | 2018-12-14 | 2020-06-19 | Michelin & Cie | RETRACTABLE FRONT WHEEL VEHICLE |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887218A (en) * | 1973-02-28 | 1975-06-03 | Blasi Rosario Di | Collapsible vehicle |
| US4026573A (en) * | 1976-04-21 | 1977-05-31 | Joseph Skilken & Co. | Foldable motor scooter |
| US4111447A (en) * | 1977-03-29 | 1978-09-05 | Tomy Kogyo Co., Ltd. | Folding bicycle |
| CN102285414A (en) * | 2011-05-11 | 2011-12-21 | 方剑治 | Box-type foldable electric bicycle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7654356B2 (en) * | 2007-07-17 | 2010-02-02 | Pihsiang Machinery Manufacturing Co., Ltd. | Folding electric scooter |
| KR100981059B1 (en) * | 2010-02-09 | 2010-09-08 | 윤근수 | Folding bicycle |
-
2012
- 2012-06-04 CN CN201210179537.XA patent/CN102700663B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887218A (en) * | 1973-02-28 | 1975-06-03 | Blasi Rosario Di | Collapsible vehicle |
| US4026573A (en) * | 1976-04-21 | 1977-05-31 | Joseph Skilken & Co. | Foldable motor scooter |
| US4111447A (en) * | 1977-03-29 | 1978-09-05 | Tomy Kogyo Co., Ltd. | Folding bicycle |
| CN102285414A (en) * | 2011-05-11 | 2011-12-21 | 方剑治 | Box-type foldable electric bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20155333A1 (en) * | 2015-10-29 | 2017-04-29 | Acta S R L | "FOLDABLE FRAME" |
| WO2017072740A1 (en) * | 2015-10-29 | 2017-05-04 | Acta Srl | Foldable frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102700663A (en) | 2012-10-03 |
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