CN201971101U - Portable folding bicycle - Google Patents
Portable folding bicycle Download PDFInfo
- Publication number
- CN201971101U CN201971101U CN2011200656493U CN201120065649U CN201971101U CN 201971101 U CN201971101 U CN 201971101U CN 2011200656493 U CN2011200656493 U CN 2011200656493U CN 201120065649 U CN201120065649 U CN 201120065649U CN 201971101 U CN201971101 U CN 201971101U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- folding
- vertical tube
- front fork
- lower swing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Motorcycle And Bicycle Frame (AREA)
Abstract
A portable folding bicycle comprises a frame, a saddle, handlebars, front and rear forks, front and rear wheels and a gear disc chain transmission system, wherein the frame comprises a front fork vertical tube and a back seat insertion tube; a folding rack is arranged at the front part of the back seat insertion tube; an upper cross beam and a lower swing arm are arranged at the rear part of the front fork vertical tube; the folding rack is articulated with the end of the upper cross beam through a horizontal shaft; the front end of a lower swing arm is articulated with the front fork vertical tube and the rear end of the lower swing arm is connected with the folding rack; a horizontal guide pin shaft connected with the lower swing arm is arranged on the folding rack; the rear end of the lower swing arm is provided with a guide groove matched with the guide pin shaft; and a fastening device is arranged at the end of the guide pin shaft. The folding rack is provided with an arc-shaped lifting handle. The portable folding bicycle is easy and smooth to fold and unfold and is comfortable in riding; the bicycle can be pushed stably after folded and is suitable for congested districts such as subways, shopping malls and the like; and in addition, the portable folding bicycle can be folded and placed in a car trunk so as to be convenient to ride instead of walk when people go out for a trip.
Description
Technical field
The utility model relates to a kind of bicycle, particularly a kind of portable folding bicycle.
Background technology
The folding mode of common folding bicycle is the stack of front and back wheel, and the volume after folding is very thick at thickness direction, and floor area is big in the horizontal direction; Palpus pine commentaries on classics quick detach is bent over to require great effort and is overturn the effort complexity that the action of expansion is same when folding; The bag shoulder back of the body or portable will be adorned in the folding back of common folded bicycle when carrying, hard effort.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, has proposed a kind of folding and expansion, simple and easy smoothness, is easy to after folding to take in, and the portable folding bicycle that can make things convenient for pulsation-free to carry out.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of portable folding bicycle, comprise vehicle frame, vehicle seat, handlebar, front and rear fork, front and back wheel and fluted disc chain transmission system, vehicle frame comprises vertical tube of front fork and back seat intubate, be characterized in: the front portion of back seat intubate is provided with folding stand, the rear portion of vertical tube of front fork is provided with entablatrance and following swing arm, the end of folding stand and entablatrance by level to the axle hinged, the front end and the vertical tube of front fork of following swing arm are hinged, the rear end and the folding stand of following swing arm join, folding stand be provided with the level of joining with following swing arm to the guiding bearing pin, the rear end of following swing arm is provided with the guide groove that above-mentioned guiding bearing pin cooperates, and is provided with securing device in the end of guiding bearing pin.
The technical problems to be solved in the utility model can also come to realize that further folding stand is provided with arc shaped handle by the following technical programs.
The technical problems to be solved in the utility model can also be come by the following technical programs further to realize, is provided with the backfolding bearing pin of handlebar between the vertical tube of front fork of handlebar and vehicle frame, and the handle device for quickly disassembling is housed.
The technical problems to be solved in the utility model can also come further to realize by the following technical programs, is provided with seat pipe device for quickly disassembling between vehicle seat and the back seat intubate.
Folding operation process: the first step, draw back securing device, hand-held folding stand, mention back wheels of vehicle to the front upper place, the jointed shaft rotation of vehicle frame rear portion this moment between folding stand and entablatrance, swing arm is upwards rotated, and the guiding bearing pin slides along guide groove, then that front and back wheel is close behind suitable distance, the locking securing device.Second step, unclamp the handle quick detach, handlebar is rotated backward, close up up to handlebar.The 3rd step, unclamp seat pipe quick detach, the seat pipe is inserted into the bottom, the rotation cushion.It is folding that car load is finished in this three steps action.
Launch explanation: during expansion, unclamp securing device, vehicle body is gently drawn backward, front and back wheel just can easily be launched, and the locking securing device is extracted seat out and managed suitable height, and cushion rotated to the tram, locking bed pipe quick detach; At last with the outside Unscrew of handlebar to correct position, the lock handle quick detach.
The utility model compared with prior art great advantage is: the folding and simple and easy smoothness of expansion action, and it is comfortable to ride, and can steadily carry out after folding, and is fit to the crowded locations such as subway, market of coming in and going out; When travelling away from home, put into automobile trunk after also car can being folded, ride instead of walk at any time with convenient.
Description of drawings
Fig. 1 is a bicycle structure sketch of the present utility model.
Fig. 2 is the structure diagram behind the bicycle folding.
The specific embodiment
A kind of portable folding bicycle, comprise vehicle frame, vehicle seat 10, handlebar 5, front fork 2, back vent 13, front-wheel 1, trailing wheel 14 and fluted disc chain transmission system 15, vehicle frame comprises vertical tube of front fork 3 and back seat intubate 12, the front portion of back seat intubate 12 is provided with folding stand 9, the rear portion of vertical tube of front fork 3 is provided with entablatrance 6 and following swing arm 17, the end of folding stand 9 and entablatrance 6 by level to axle hinged, the front end of following swing arm 17 and vertical tube of front fork 3 are hinged, the rear end of following swing arm 17 and folding stand 9 join, folding stand 9 be provided with the level of joining with following swing arm 17 to the guiding bearing pin, the rear end of following swing arm 17 is provided with the guide groove 16 that above-mentioned guiding bearing pin cooperates, and is provided with securing device 8 in the end of guiding bearing pin.Folding stand is provided with arc shaped handle 7.
Be provided with the backfolding bearing pin of handlebar between the vertical tube of front fork 3 of handlebar 5 and vehicle frame, and handle device for quickly disassembling 4 is housed.Be provided with seat pipe device for quickly disassembling 11 between vehicle seat 10 and the back seat intubate 12.
Folding mode be front and back wheel side by side, so thinner thickness is high highly slightly, conveniently rests in the wall corner and fall, in the easier boot that lies in automobile, be easy to take in.When folding, only need unclamp quick detach, portable getting final product, and the effort of need not bending over only need gently be drawn upon deployment and just can be realized unfolding freely, it is light convenient to have accomplished.Side by side, can make things convenient for pulsation-free to carry out before and after folding back front and back wheel still keeps, when the location of coming in and going out crowded, show laborsaving advantage of saving worry fully.
Claims (4)
1. portable folding bicycle, comprise vehicle frame, vehicle seat, handlebar, front and rear fork, front and back wheel and fluted disc chain transmission system, vehicle frame comprises vertical tube of front fork and back seat intubate, it is characterized in that: the front portion of back seat intubate is provided with folding stand, the rear portion of vertical tube of front fork is provided with entablatrance and following swing arm, the end of folding stand and entablatrance by level to the axle hinged, the front end and the vertical tube of front fork of following swing arm are hinged, the rear end and the folding stand of following swing arm join, folding stand be provided with the level of joining with following swing arm to the guiding bearing pin, the rear end of following swing arm is provided with the guide groove that above-mentioned guiding bearing pin cooperates, and is provided with securing device in the end of guiding bearing pin.
2. portable folding bicycle according to claim 1, it is characterized in that: folding stand is provided with arc shaped handle.
3. portable folding bicycle according to claim 1 is characterized in that: be provided with the backfolding bearing pin of handlebar between the vertical tube of front fork of handlebar and vehicle frame, and the handle device for quickly disassembling is housed.
4. portable folding bicycle according to claim 1 is characterized in that: be provided with seat pipe device for quickly disassembling between vehicle seat and the back seat intubate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200656493U CN201971101U (en) | 2011-03-14 | 2011-03-14 | Portable folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200656493U CN201971101U (en) | 2011-03-14 | 2011-03-14 | Portable folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201971101U true CN201971101U (en) | 2011-09-14 |
Family
ID=44576206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200656493U Expired - Fee Related CN201971101U (en) | 2011-03-14 | 2011-03-14 | Portable folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201971101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133914A (en) * | 2011-03-14 | 2011-07-27 | 连云港迎雁新材料有限责任公司 | Portable folding bicycle |
| CN105857478A (en) * | 2016-03-30 | 2016-08-17 | 连云港神鹰碳纤维自行车有限责任公司 | Herringbone foldable electric bike |
-
2011
- 2011-03-14 CN CN2011200656493U patent/CN201971101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133914A (en) * | 2011-03-14 | 2011-07-27 | 连云港迎雁新材料有限责任公司 | Portable folding bicycle |
| CN105857478A (en) * | 2016-03-30 | 2016-08-17 | 连云港神鹰碳纤维自行车有限责任公司 | Herringbone foldable electric bike |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20130314 |