CN2764702Y - Portable folding bicycle - Google Patents
Portable folding bicycle Download PDFInfo
- Publication number
- CN2764702Y CN2764702Y CN 200520025123 CN200520025123U CN2764702Y CN 2764702 Y CN2764702 Y CN 2764702Y CN 200520025123 CN200520025123 CN 200520025123 CN 200520025123 U CN200520025123 U CN 200520025123U CN 2764702 Y CN2764702 Y CN 2764702Y
- Authority
- CN
- China
- Prior art keywords
- folding
- crank
- frame
- wheel assembly
- vehicle frame
- 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
Links
Images
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model relates to a bicycle, particularly a portable folding bicycle, which comprises a bicycle frame, a front wheel assembly and a rear wheel assembly which are connected with the bicycle frame, and a pedal shaft crank mechanism. The utility model is characterized in that a front frame of the bicycle frame is divided into a long tube of the front frame and a short tube of the front frame; the short tube of the front frame is fixedly connected with a five-way cock of the bicycle frame; the upper end of the long tube of the front frame is connected with the front wheel assembly, and the lower end is in pin connection with a front folding connection support frame which enables the front wheel assembly to be folded backwards in a horizontal direction; a rear oblique beam of a floating bicycle frame is in pin connection with a rear folding connection support frame which enables the rear oblique beam of a floating bicycle frame to be folded horizontally towards a rear wheel; pedal cranks respectively folded towards the inside the bicycle frame are in pin connection with a crank box. The utility model has the advantages that the front wheel assembly which is in pin connection with the front folding connection support frame can be horizontally folded backwards, the rear oblique beam of the bicycle frame is in pin connection with the rear folding connection support frame and can be horizontally folded to the rear wheel, and the pedal cranks can be respectively folded towards the inside of the bicycle frame; thus, the folding bicycle has small size and convenient carrying.
Description
Technical field
The utility model relates to a kind of bicycle, relates in particular to a kind of portable folding bicycle.
Background technology
At present, on the market mainly based on the eternal-fixing-type bicycle.Along with flourish with tourism industry of improving constantly of people's living standard, portable folding bicycle will become the new highlight of people's outing instrument.Present folding bicycle mostly is the telescopic retractable structure, and the vehicle after folding is very thick, and volume is bigger, can not satisfy the requirement that is convenient for carrying.
The utility model content
The purpose of this utility model provides a kind of portable folding bicycle, can make the bicycle volume after folding very little, reaches the requirement that is convenient for carrying.
For realizing the purpose of this utility model, the technical scheme that is adopted is: a kind of portable folding bicycle, comprise vehicle frame and the preceding wheel assembly and the rear wheel assembly that are attached thereto, pedal axle crank mechanism, it is characterized in that: the front-axle beam of vehicle frame is divided into front-axle beam long tube and front-axle beam short tube, front-axle beam short tube and frame five-through are affixed, front-axle beam long tube upper end is connected with preceding wheel assembly, the lower end with can make before the wheel assembly folding preceding folding support pin joint that is connected of horizontal direction backward, the unsteady vehicle frame Liang Yuke that retreads makes its back folding connection support pin joint to the trailing wheel horizontal folding, can be respectively to the pedal crank and the crank box pin joint of vehicle frame folded inside.
The folding support clamping both sides before and after the front-axle beam long tube that connect are arranged with arc guide groove on the preceding folding connection support before described, and two ends are provided with knock hole, are provided with eccentric clamping device by guide groove and through the front-axle beam long tube, are provided with registration device in the knock hole; The folding support that connects in affixed back on the back chain stay of vehicle frame, its front center is provided with shaft hole, and with the vehicle frame that floats after the cant beam pin joint, the folding connection on the support of back is arranged with arc guide groove, by guide groove and behind the vehicle frame cant beam be provided with eccentric clamping device; Be provided with damping arrangement in the middle of the crank of pedal axle crank mechanism and the crank box pin joint, crank box and crank, the crank box is provided with the location pin clamping device and locks with the positioning groove of crank middle inside.
Described eccentric clamping device is made up of sleeve pipe, thru-bolt, nut and eccentric handle, and sleeve pipe is through between preceding folding connection support and the front-axle beam long tube, and thru-bolt is by sleeve pipe, the end nut that is spirally connected, and the other end and eccentric handle spin.
The folding registration device that connects on the support is that the elasticity gram jumps before described, is built-in with U type spring at the front-axle beam long tube, and its two ends cross-peen connects gram and jumps, and gram jumps and is plugged in the knock hole.
Damping arrangement between described crank box and crank is a plane arch spring.
Location pin clamping device on the described crank box comprises dull and stereotyped stage clip, locating dowel pin, and dull and stereotyped stage clip one end is fixed on the crank box, and the other end is pushed down locating dowel pin.
Cross handle before described in the wheel assembly is provided with the flexible elasticity gram of cross handle is jumped.
The beneficial effects of the utility model are and the preceding folding preceding wheel assembly that is connected support pin joint horizontal folding backward, with the horizontal folding backward of cant beam behind the folding vehicle frame that is connected the support pin joint in back, the pedal crank can fold to inboard rotation of vehicle frame respectively, thereby the bicycle volume after realizing folding is very little, reaches the requirement that is convenient for carrying.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the location pin clamping device on the crank box among Fig. 1;
Fig. 3 is the damping arrangement structural representation between crank box and crank among Fig. 1;
Fig. 4 is the cross handle structural representation among Fig. 1;
Fig. 5 is the structural representation of eccentric clamping device and registration device among Fig. 1;
Fig. 6 is the structural representation of cant beam eccentric clamping device behind the vehicle frame among Fig. 1;
Fig. 7 is a folded state diagram of the present utility model.
The specific embodiment
Accompanying drawing is embodiment of the present utility model, describes the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As shown in drawings, a kind of portable folding bicycle, comprise vehicle frame and the preceding wheel assembly and the rear wheel assembly that are attached thereto, pedal axle crank mechanism, it is characterized in that: the front-axle beam of vehicle frame is divided into front-axle beam long tube 1 and front-axle beam short tube 2, front-axle beam long tube front end is connected with front-wheel 3 assemblies, there are rotating shaft 4 pin joints its lower end with the preceding folding support 5 that is connected, front-axle beam short tube and frame five-through (not shown) are affixed, the preceding folding support 5 that connects is clamped in both sides, front-axle beam long tube 1 front and back, the preceding folding support that connects is provided with arc guide groove 5-1 and knock hole 5-2 in symmetric position, by guide groove 5-1 and run through front-axle beam long tube 1 and be provided with eccentric clamping device 6, be provided with registration device in the knock hole; The folding support 9 that connects in affixed back on the back chain stay 8 of vehicle frame, its front center is provided with shaft hole 10, and with the vehicle frame that floats after cant beam 11 pin joints.When riding, cant beam 11 lower ends are inserted and to be fixed in behind the car in storehouse, the location (not shown) on the chain stay behind the vehicle frame.The folding support that connects in back is provided with arc guide groove 9-1 in symmetric position, by guide groove and run through the back cant beam and be provided with eccentric clamping device 12; The crank 13 and crank box 14 pin joints of pedal axle crank mechanism are provided with damping arrangement in the middle of crank box and the crank, and the damping arrangement between crank box and crank is a plane arch spring 15.The crank box is provided with the location pin clamping device and locks with the positioning groove of crank middle inside; Location pin clamping device on the crank box comprises dull and stereotyped stage clip 16, locating dowel pin 17, and dull and stereotyped stage clip 16 1 ends are fixed on the crank box, and the other end is pushed down locating dowel pin 17.Eccentric clamping device is made up of sleeve pipe 6-1, thru-bolt 6-2, nut 6-3 and eccentric handle 6-4, and sleeve pipe is through between preceding folding connection support and the front-axle beam long tube, and thru-bolt is by sleeve pipe, the end nut that is spirally connected, and the other end and eccentric handle spin.The preceding folding registration device that connects on the support is that the elasticity gram jumps, and is built-in with U type spring 7-1 at the front-axle beam long tube, and its two ends cross-peen connection gram jumps 7, and gram jumps and is plugged among the knock hole 5-2.Cross handle 18 in the preceding wheel assembly is provided with and can makes the gram of the flexible band spring 20 of cross handle jump 19.
When folding, will be in the upright indentation standpipe, front-wheel and front fork are the center with rotating shaft 5 to vehicle frame direction Rotate 180 ℃ again, will can be backward with the preceding folding preceding wheel assembly that is connected the support pin joint, horizontal folding, and with eccentric clamping device 6 clampings; With the horizontal folding backward of cant beam behind the folding vehicle frame that is connected the support pin joint in back, the pedal crank can be respectively to vehicle frame inboard rotate folding, thereby the bicycle volume after realizing folding is very little, reaches the requirement that is convenient for carrying.The utility model specification is 14 " to be of a size of after folding: length=980 * 150 * 350mm.
The above only is the preferred embodiment of the invention, is not the material and the structure of the invention are done any pro forma restriction.Every technical spirit according to the invention all still belongs in the scope of the invention technical scheme any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1, a kind of portable folding bicycle, comprise vehicle frame and the preceding wheel assembly that is attached thereto and rear wheel assembly, pedal axle crank mechanism, it is characterized in that: the front-axle beam of vehicle frame is divided into front-axle beam long tube and front-axle beam short tube, front-axle beam short tube and frame five-through are affixed, front-axle beam long tube upper end is connected with preceding wheel assembly, the lower end with can make before the wheel assembly folding preceding folding support pin joint that is connected of horizontal direction backward, cant beam and the back folding support pin joint that is connected that can make it to the trailing wheel horizontal folding behind the vehicle frame that floats can be to the pedal crank and the crank box pin joints of vehicle frame folded inside;
(1), the described preceding folding support clamping both sides before and after the front-axle beam long tube that connect, the preceding folding support that connects is arranged with arc guide groove, be provided with knock hole at the support two ends, be provided with eccentric clamping device, be provided with registration device in the knock hole by guide groove and through the front-axle beam long tube;
(2), be connected with the folding support that connects in back on the back chain stay of vehicle frame, its front center is provided with shaft hole, and with the vehicle frame that floats after the cant beam pin joint, the folding support top that connects, back is arranged with arc guide groove, by guide groove and behind the vehicle frame cant beam be provided with eccentric clamping device;
(3), the crank and the crank box pin joint of pedal axle crank mechanism, be provided with damping arrangement in the middle of crank box and the crank, the crank box is provided with the location pin clamping device and locks with the positioning groove of crank middle inside.
2, portable folding bicycle according to claim 1, it is characterized in that: described eccentric clamping device is made up of sleeve pipe, thru-bolt, nut and eccentric handle, sleeve pipe is through between preceding folding connection support and the front-axle beam long tube, thru-bolt passes through sleeve pipe, the one end nut that is spirally connected, the other end and eccentric handle spin.
3, portable folding bicycle according to claim 1 is characterized in that: the folding registration device that connects on the support is that the elasticity gram jumps before described, is built-in with U type spring at the front-axle beam long tube, and its two ends cross-peen connects gram and jumps, and gram jumps and is plugged in the knock hole.
4, portable folding bicycle according to claim 1 is characterized in that: the damping arrangement between described crank box and crank is a plane arch spring.
5, portable folding bicycle according to claim 1 is characterized in that: the location pin clamping device on the described crank box comprises dull and stereotyped stage clip, locating dowel pin, and dull and stereotyped stage clip one end is fixed on the crank box, and the other end is pushed down locating dowel pin.
6, portable folding bicycle according to claim 1 is characterized in that: the cross handle before described in the wheel assembly is provided with the flexible elasticity gram of cross handle is jumped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520025123 CN2764702Y (en) | 2005-01-11 | 2005-01-11 | Portable folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520025123 CN2764702Y (en) | 2005-01-11 | 2005-01-11 | Portable folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2764702Y true CN2764702Y (en) | 2006-03-15 |
Family
ID=36167621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520025123 Expired - Fee Related CN2764702Y (en) | 2005-01-11 | 2005-01-11 | Portable folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2764702Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556245A (en) * | 2012-02-09 | 2012-07-11 | 叶林森 | Folding bicycle |
-
2005
- 2005-01-11 CN CN 200520025123 patent/CN2764702Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556245A (en) * | 2012-02-09 | 2012-07-11 | 叶林森 | Folding bicycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103274005B (en) | Foldable electric tricycle | |
| CN2706392Y (en) | Electric folding scooter | |
| CN2764702Y (en) | Portable folding bicycle | |
| CN205801392U (en) | A kind of Novel pedal bicycle | |
| CN201390343Y (en) | Potable folding bicycle | |
| CN206155692U (en) | Portable folding scooter | |
| CN203199118U (en) | Folding electric bicycle | |
| CN203294266U (en) | Foldable electric tricycle | |
| CN200942839Y (en) | Fully-folding damping electric bicycle | |
| CN2871362Y (en) | Foldable rotary non-track bicycle with telescopic height adjusting | |
| CN103818506A (en) | Ultra short folding electrical bicycle | |
| CN203623895U (en) | Anti-collision electric bicycle pedals | |
| CN202295158U (en) | Vertical twist car | |
| CN2526246Y (en) | Vibration-proof bicycle | |
| CN206141723U (en) | Waterproof scooter of portable electric | |
| CN2846278Y (en) | Portable bicycle | |
| CN215043328U (en) | Novel folding pedal device | |
| CN2803891Y (en) | Retractable improved structure of electric bicycle | |
| CN107914812A (en) | Portable folding scooter | |
| CN204801990U (en) | Folding bicycle | |
| CN202754073U (en) | Labor-saving bicycle | |
| CN2776824Y (en) | Handle bar vertical pipe folding mechanism of small wheel bicycle | |
| CN202089182U (en) | Folding bicycle | |
| CN2570162Y (en) | Folding bicycle | |
| CN209617366U (en) | A kind of handle mechanism of Segway Human Transporter |
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: 20060315 |