CN201494570U

CN201494570U - Folding bike

Info

Publication number: CN201494570U
Application number: CN2009203097925U
Authority: CN
Inventors: 董超祺; 郭劭斌
Original assignee: Guangzhou Zhanhui Electronics Co ltd
Current assignee: Guangzhou Zhanhui Electronics Co ltd
Priority date: 2009-09-07
Filing date: 2009-09-07
Publication date: 2010-06-02
Anticipated expiration: 2019-09-07

Abstract

The utility model discloses a folding bike comprising wheels, a handlebar, a saddle, a foot-pedal driving mechanism, a front bracket, a rear bracket, a cross bracket and a foldable bracket, wherein, the foldable bracket consists of a bracket A and a bracket B, the bracket A and the bracket B are rotationally connected through a connecting shaft, a positioning shaft sleeve is mounted on the connecting shaft and is fixedly connected with the bracket A, two positioning grooves are formed on the positioning shaft sleeve, a fixing seat is arranged on the bracket B, a machine pin is arranged in the fixing seat, the machine pin is installed inside the fixing seat through a spring E, a folding handle is further arranged on the connecting shaft and can rotate around the connecting shaft, the lower end of the folding handle is a toggle pin part with two curved sections, the bracket A is rotationally connected with the front bracket, the bracket B is rotationally connected with the cross bracket, and the cross bracket is rotationally connected with the front bracket. The utility model has the characteristic of handy operation, and can still be pushed flexibly after being folded.

Description

A kind of lifting and folding bicycle

Technical field

The utility model relates to a kind of Folding Bicycle, and particularly a kind of front and back are toward middle folding of bicycle.

Background technology

In present China, no matter be city or rural area, bicycle remains a kind of vehicles of common, in order to save parking space, facilitating going upstairs and going downstairs, Folding Bicycle arises at the historic moment.Folding Bicycle on the market nearly all is that employing is laterally folded at present, and hinge is set in the middle of its crossbeam, and two parts fold before and after being divided into by bicycle by hinge.Though this folding mode can reach the purpose of saving parking space, facilitating going upstairs and going downstairs, operate more loaded down with trivial detailsly, and folding to move car afterwards more relatively more difficult.

The utility model content

The lifting and folding bicycle that technical problem to be solved in the utility model can also promote after being to provide a kind of folding operation convenient and swift, folding flexibly.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of lifting and folding bicycle, comprise wheel, handlebar, saddle, pedal drive mechanism, front frame, after poppet, transverse bracket, described after poppet is captiveed joint with transverse bracket, handlebar is located on the front frame, saddle is located on the after poppet, also comprise a Collapsible rack, described Collapsible rack is made up of support A and support B, and support A and support B are rotatably connected by adapter shaft; The location axle sleeve is installed on adapter shaft, and described location axle sleeve is captiveed joint with support A, puts at described fix shaft and is provided with two positioning grooves; Be provided with permanent seat on described support B, be provided with office's pin in permanent seat, described office pin is installed in the permanent seat by spring E; Also be provided with on described adapter shaft and carry folding handlebar, carry folding handlebar and can rotate around adapter shaft, the described lower end of carrying folding handlebar is the finger portion with two sections radians; Described support A and front frame are rotatably connected, and described support B and transverse bracket are rotatably connected, and described transverse bracket and front frame are rotatably connected.

As improvement of the technical scheme, described after poppet is made up of middle pipe and movable seatpillar, and described middle pipe is captiveed joint with transverse bracket; On described movable saddle pipe seat, be installed with Fixture for tube of seat, on described Fixture for tube of seat, dangle a strut bar is installed, but described strut bar swing; The lower end of pipe is installed with back-up block in described, is provided with the through hole D that passes for strut bar and the fixed bit of supported bar on back-up block.

As the further improvement of technique scheme, be provided with spring F in the position of strut bar Connection Block pipe clamp, strut bar is had always swing trend backward.The upper end of pipe is equipped with back carrying handle hand in described, and described back carrying handle hand can rotate up and down around point of connection, is provided with spring G at the point of connection place, makes back carrying handle hand that the trend of maintenance level be arranged; Be provided with the through hole C that can supply strut bar to pass on hand at the back carrying handle.

The beneficial effects of the utility model are: what the utility model adopted is that front and back fold toward middle, convenient to operation, and still can promote flexibly after folding.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the enlarged drawing of A among Fig. 1;

Fig. 3 is the enlarged drawing of B among Fig. 1;

Fig. 4 is the structural representation after the utility model folds.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, lifting and folding bicycle of the present utility model comprises wheel 1, handlebar 2, saddle 3, pedal drive mechanism 4, front frame 5, after poppet 6, transverse bracket 7.After poppet 6 is captiveed joint with transverse bracket 7, and handlebar 2 is located on the front frame 5, and saddle 3 is located on the after poppet 6.In addition, also comprise a Collapsible rack 8, Collapsible rack 8 is made up of support A801 and support B802, and support A801 and support B802 are rotatably connected by adapter shaft 803.Location axle sleeve 804 is installed on adapter shaft 803, and location axle sleeve 804 is captiveed joint with support A801, is provided with two positioning grooves 805 on the axle sleeve 804 of location.Be provided with permanent seat 806 on support B802, be provided with office pin 807 in permanent seat 806, office's pin 807 is installed in the permanent seat 806 by spring E808.Also be provided with on adapter shaft 803 and carry folding handlebar 809, carry folding handlebar 809 and can rotate around adapter shaft 803, the lower end of carrying folding handlebar 809 is the finger portion 810 with two sections radians.Support A801 and front frame 5 are rotatably connected being connected an X9 place, position, and support B802 and transverse bracket 7 are rotatably connected being connected a Y10 place, and transverse bracket 7 and front frame 5 are rotatably connected being connected a Z11 place.When needing to fold, firmly mention folding handlebar 809, when the power of carrying can overcome the elastic force of spring E808 of office pin 807, the finger portion 810 of carrying folding handlebar 809 just can sell office 807 first positioning grooves 805 from the axle sleeve 804 of location and eject, under the effect of putting forward power, with location axle sleeve 804 is the rotating band at a center X9 that is dynamically connected, connect position Y10, connect the rotation at Z11 place, position, when forwarding the position of locating second positioning groove 805 on the axle sleeve 804 to, office's pin 807 is under the elastic force effect of spring E808, head into second positioning groove 805, the bicycle that folds is fixed.In the time of need opening bicycle, firmly depress and carry folding handlebar 809, when pressure can overcome the elastic force of spring E808 of office pin 807, the finger portion 810 of carrying folding handlebar 809 just can sell office 807 second positioning groove 805 from the axle sleeve 804 of location and eject, under the effect of pressure, with location axle sleeve 804 is the rotating band at a center X9 that is dynamically connected, connect position Y10, connect the rotation at Z11 place, position, when forwarding the position of locating first positioning groove 805 on the axle sleeve 804 to, office's pin 807 is under the elastic force effect of spring E808, head into first positioning groove 805, the bicycle of opening is fixed.

For further folding bicycle, above-mentioned after poppet 6 is improved, after poppet 6 is made up of middle pipe 601 and movable seatpillar 602, and saddle 3 is installed on the movable seatpillar 602.In pipe 601 captive joint with transverse bracket 7.On movable saddle pipe seat 602, be installed with Fixture for tube of seat 603, on Fixture for tube of seat 603, dangle a strut bar 604 is installed, but strut bar 604 swings are provided with spring F608 in the position of strut bar 604 Connection Block pipe clamps 603, strut bar is had always swing trend backward.Be installed with back-up block 605 in the lower end of middle pipe 601, on back-up block 605, be provided with the through hole D606 that passes for strut bar and the fixed bit 607 of supported bar.Back carrying handle hand 609 is installed in the upper end of middle pipe 601, back carrying handle hand 609 can rotate up and down around point of connection, be provided with spring G610 at the point of connection place, make back carrying handle hand 609 that the trend of maintenance level be arranged, on back carrying handle hand 609, be provided with the through hole C611 that can supply strut bar to pass.Depress back carrying handle hand 609, when pressure surpassed the elastic force of spring G610, back carrying handle hand 609 crowded strut bars 604 passed the through hole D606 on the back-up block 605, and at this moment, saddle 3 can glide with movable seatpillar 602, can further dwindle the volume of bicycle like this.When needs normally use bicycle, saddle 3 is up carried, when strut bar 604 after the through hole D606 from the back-up block 605 comes out fully, under the effect of spring F608, strut bar 604 is got into fixed bit 607 places, and saddle 3 has been fixed, can not glide.

The utility model adopts be before and after toward middle folding, and reduce to reach by saddle and further dwindle institute and take up space, have convenient to operationly, and characteristics that still can promote flexibly after folding can widespread use be made the vehicle of people's trip.

Claims

1. lifting and folding bicycle, comprise wheel, handlebar, saddle, pedal drive mechanism, front frame, after poppet, transverse bracket, described after poppet is captiveed joint with transverse bracket, handlebar is located on the front frame, saddle is located on the after poppet, it is characterized in that: also comprise a Collapsible rack, described Collapsible rack is made up of support A and support B, and support A and support B are rotatably connected by adapter shaft; The location axle sleeve is installed on adapter shaft, and described location axle sleeve is captiveed joint with support A, puts at described fix shaft and is provided with two positioning grooves; Be provided with permanent seat on described support B, be provided with office's pin in permanent seat, described office pin is installed in the permanent seat by spring E; Also be provided with on described adapter shaft and carry folding handlebar, carry folding handlebar and can rotate around adapter shaft, the described lower end of carrying folding handlebar is the finger portion with two sections radians; Described support A and front frame are rotatably connected, and described support B and transverse bracket are rotatably connected, and described transverse bracket and front frame are rotatably connected.

2. a kind of lifting and folding bicycle according to claim 1 is characterized in that, described after poppet is made up of middle pipe and movable seatpillar, and described middle pipe is captiveed joint with transverse bracket; On described movable saddle pipe seat, be installed with Fixture for tube of seat, on described Fixture for tube of seat, dangle a strut bar is installed, but described strut bar swing; The lower end of pipe is installed with back-up block in described, is provided with the through hole D that passes for strut bar and the fixed bit of supported bar on back-up block.

3. a kind of lifting and folding bicycle according to claim 2 is characterized in that, is provided with spring F in the position of strut bar Connection Block pipe clamp, strut bar is had always swing trend backward.

4. a kind of lifting and folding bicycle according to claim 2 is characterized in that, the upper end of pipe is equipped with back carrying handle hand in described, and described back carrying handle hand can rotate up and down around point of connection, is provided with spring G at the point of connection place, makes back carrying handle hand that the trend of maintenance level be arranged; Be provided with the through hole C that can supply strut bar to pass on hand at the back carrying handle.