CN201677990U

CN201677990U - Light folding electric bicycle

Info

Publication number: CN201677990U
Application number: CN2010201381281U
Authority: CN
Inventors: 黄艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-22
Filing date: 2010-03-22
Publication date: 2010-12-22
Anticipated expiration: 2020-03-22

Abstract

The utility model provides a light folding electric bicycle with a simple folding mechanism and small occupied space, which aims at the shortcomings of complication and large occupied space of an existing folding mechanism and comprises a rotary handle, an upright pipe, a front fork, a bicycle frame beam, a seat pipe, a front wheel assembly, a rear wheel assembly, a manpower driving device and an electric driving device. The upper end of the upright pipe is fixedly connected with the rotary handle, and the lower end of the upright pipe is fixedly connected with the front fork; a piping is arranged at the front end of the bicycle frame beam, and the upright pipe penetrating through the piping is rotatably limited by the piping; the seat pipe includes an upper section and a lower section which are sliced in an insertion manner; and the upper section of the seat pipe is inserted into the lower section to be fixed by a seat pipe clamping ring; the lower end of the upright pipe is fixedly connected with the front fork via a first folding rapid disassembling part; and the bicycle frame beam is divided into two foldable sections which are fixed together via a second folding rapid disassembling part. The light folding electric bicycle has the advantages that the upright pipe and the seat pipe can be expanded, the upright pipe can rotate by 90 degrees relatively to the front form and be positioned, the bicycle frame beam can be folded in half, and the folding mechanism is simple and high in mechanical intensity, and saves space.

Description

Light-duty folding electric bicycle

Technical field

The utility model belongs to the Electrical Bicycle technical field, is specifically related to a kind of light-duty folding electric bicycle.

Background technology

In recent years, Electrical Bicycle obtains develop rapidly in China, has become the important vehicle.Wherein, light-duty folding electric bicycle is owing to the characteristics of light and fast are well received, present light-duty folding electric bicycle comprises handle, standpipe, front fork, cross member of frame, seat pipe, preceding wheel assembly, rear wheel assembly and Manpower driver and electric driver etc., Manpower driver comprises a crank throw affixed with affixed hinge wheel, upper end and the hinge wheel of seat pipe hypomere, with the affixed pedal in crank throw lower end, with the affixed minor sprocket of rear wheel assembly and hold chain big, sprocket wheel, pedal crank throw relatively folds; Standpipe comprises the two sections of plug-in type splicing, and standpipe epimere upper end is affixed with handle, and standpipe hypomere lower end and front fork are affixed; The cross member of frame front end has trunnion, and standpipe passes trunnion and spacing by trunnion rotationally; The seat pipe comprises the two sections of plug-in type splicing, its fold mechanism generally is that the handle relative riser is folding, the relative front fork of standpipe is folding, cross member of frame is folding from middle position, the relative crank throw of pedal is folding, the problem that this folding electric bicycle exists has: fold mechanism is too complicated, and mechanical strength is difficult to guarantee; In addition, standpipe is in later the saddle top folding twice, and the vehicle body after folding takes up room still bigger.

Summary of the invention

The purpose of this utility model is at existing fold mechanism complexity, the big defective that takes up room, and provides that a kind of fold mechanism is simple, little light-duty folding electric bicycle takes up room.

The technical solution adopted in the utility model is:

Light-duty folding electric bicycle comprises handle, standpipe, front fork, cross member of frame, seat pipe, preceding wheel assembly, rear wheel assembly and Manpower driver and electric driver; The standpipe upper end is affixed with handle, and standpipe lower end and front fork are affixed; The cross member of frame front end has trunnion, and standpipe passes trunnion and spacing by trunnion rotationally; The seat pipe comprises the two sections of plug-in type splicing, and seat pipe epimere inserts hypomere and fixes by the Fixture for tube of seat ring; The standpipe lower end is affixed by the first folding quick detach and front fork; Cross member of frame is divided into folding two sections, fixes by the second folding quick detach between two sections.

Described Fixture for tube of seat ring comprises the first clamp ring body that holds seat pipe epimere one circle, and the two ends of the first clamp ring body wears first bearing pin, and first bearing pin, one end has first limiting stopper, the hinged first in command who has first cam of the other end.

Described standpipe and front fork have the snap ring and the draw-in groove that can cooperatively interact and rotate, the described first folding quick detach comprises the second clamp ring body that holds standpipe one circle, the second clamp ring body two ends wears second bearing pin, second bearing pin, one end has second limiting stopper, the hinged second in command who has second cam of the other end.

The described second folding quick detach comprise a side respectively with two sections inner ring and outer rings that cross member of frame is affixed, the outer ring wears croisillon de joint homocinetique at the cross member of frame opposite side, inner ring has the guide groove that passes through for croisillon de joint homocinetique, the guide groove two ends have the bearing pin knock hole in 180 ° of positions at interval, the sheathed retracing spring of croisillon de joint homocinetique stretches out hinged the 3rd handle that has the 3rd cam in end of outer ring.

Described Manpower driver comprises a crank throw affixed with affixed hinge wheel, upper end and the hinge wheel of seat pipe hypomere, with the affixed pedal in crank throw lower end, with the affixed minor sprocket of rear wheel assembly and hold chain big, sprocket wheel, described pedal crank throw relatively folds.

Described chain both sides are coated with plastic outer layer.

Described seat pipe hypomere diameter successively decreases from the bottom to top, is certain taper.

Described electric driver comprises by lead bonded assembly controller, battery manager, battery, all be built in cross member of frame and the vehicle frame seat pipe, battery is divided into two sections, be located at respectively in cross member of frame leading portion and the vehicle frame seat pipe, the centre connects with lead, battery manager is connected with battery in the vehicle frame seat pipe and is combined into one, and controller is located in the cross member of frame back segment.

The guide chute that described seat pipe two sections are respectively equipped with the guiding draw runner and cooperate with the guiding draw runner is by draw runner and chute guide-localization.

The beneficial effects of the utility model are: standpipe and seat pipe are scalable, and standpipe is front fork half-twist and location relatively, but the cross member of frame doubling, fold mechanism is simple, and the mechanical strength height is saved the space; Battery is divided into two sections, is divided in seat pipe and the cross member of frame, has solved the too small limited problem of capacity of cell that causes in cross member of frame space; The chain both sides are coated with plastic outer layer, effectively prevent lubricant pollution; Seat pipe hypomere diameter successively decreases from the bottom to top, is certain taper, the intensity height, and material is economized; The guide chute that seat pipe two sections are respectively equipped with the guiding draw runner and cooperate with the guiding draw runner by draw runner and chute guide-localization, can not relatively rotate between the parts of assurance plug-in type splicing.

Description of drawings

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

Fig. 2 is an A portion enlarged drawing among Fig. 1.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

Shown in 1, light-duty folding electric bicycle comprises handle 1, standpipe 2, front fork 3, cross member of frame 4, seat pipe 5, preceding wheel assembly 6, rear wheel assembly 7 and Manpower driver and electric driver with reference to the accompanying drawings; Standpipe 1 upper end and handle 1 are affixed, and standpipe 2 lower ends and front fork 3 are affixed; Cross member of frame 4 front ends have trunnion 41, and standpipe 2 passes trunnion 41 and spacing by trunnion 41 rotationally; Seat pipe 5 comprises the two sections 51 and 52 of plug-in type splicing, seat pipe epimere 51 inserts hypomere 52 and fixing by Fixture for tube of seat ring 53, the guide chute that the seat pipe two sections of present embodiment are respectively equipped with the guiding draw runner and cooperate with the guiding draw runner, by draw runner and chute guide-localization, prevent to rotate relatively (not shown), seat pipe hypomere 52 is made by reducing drawing process and heat treatment, and its diameter successively decreases from the bottom to top, be certain taper, intensity height and material are economized.Standpipe 2 is affixed with front fork 3 by the first folding quick detach 8; Cross member of frame 4 is divided into folding two sections, fixes by the second folding quick detach 9 between two sections.

Fixture for tube of seat ring 53 comprises the first clamp ring body 531 that holds seat pipe epimere one circle, the two ends of the first clamp ring body 531 wears first bearing pin 532, first bearing pin, 532 1 ends have first limiting stopper, the hinged first in command 534 who has first cam 533 of the other end, pull the first in command and drive first cam rotation and can make Fixture for tube of seat ring body two ends unclamp or tighten, can adjust the seat pipe highly.

Standpipe 2 and front fork 3 have the snap ring and the draw-in groove (not shown) that can cooperatively interact and rotate, the first folding quick detach 8 comprises the second clamp ring body 81 that holds standpipe one circle, the second clamp ring body, 81 two ends wear second bearing pin 82, second bearing pin, 82 1 ends have second limiting stopper, the hinged second in command 84 who has second cam 83 of the other end, pull the second in command and drive second cam rotation and can make the second clamp ring body, 81 two ends unclamp or tighten, and then the angle of adjustment standpipe and front fork.

With reference to shown in Figure 2, the second folding quick detach 9 comprise a side respectively with two sections inner ring 91 and outer rings 92 that cross member of frame is affixed, outer ring 92 wears croisillon de joint homocinetique 93 at cross member of frame 4 opposite sides, inner ring 81 has the guide groove that passes through for croisillon de joint homocinetique 93, the two ends of guide groove have the bearing pin knock hole in 180 ° of positions at interval, croisillon de joint homocinetique 93 sheathed retracing springs 94 stretch out hinged the 3rd handle 96 that has the 3rd cam 95 in end of outer ring 92.

Manpower driver comprises the affixed crank throw 11 of a hinge wheel 10 affixed with seat pipe hypomere, upper end and hinge wheel 10, with the affixed pedal 12 in crank throw 11 lower ends, with the affixed minor sprocket 13 of rear wheel assembly 7 and hold chain 14 big, sprocket wheel, pedal 12 crank throw 11 relatively folds.In the present embodiment, chain 14 both sides are coated with plastic outer layer 141, effectively prevent lubricant pollution, clean attractive in appearance.Electric driver comprises by lead bonded assembly controller, battery manager, battery, all be built in the cross member of frame 4, battery is divided into two sections, be located at respectively in cross member of frame leading portion and the vehicle frame seat pipe, the centre connects with lead, battery manager is connected with battery in the vehicle frame seat pipe and is combined into one, and controller is located in the cross member of frame back segment.

Claims

1. light-duty folding electric bicycle comprises handle, standpipe, front fork, cross member of frame, seat pipe, preceding wheel assembly, rear wheel assembly and Manpower driver and electric driver; The standpipe upper end is affixed with handle, and standpipe lower end and front fork are affixed; The cross member of frame front end has trunnion, and standpipe passes trunnion and spacing by trunnion rotationally; The seat pipe comprises the two sections of plug-in type splicing, it is characterized in that: seat pipe epimere inserts hypomere and fixes by the Fixture for tube of seat ring; The standpipe lower end is affixed by the first folding quick detach and front fork; Cross member of frame is divided into folding two sections, fixes by the second folding quick detach between two sections.

2. light-duty folding electric bicycle as claimed in claim 1, it is characterized in that: described Fixture for tube of seat ring comprises the first clamp ring body that holds seat pipe epimere one circle, the two ends of the first clamp ring body wears first bearing pin, first bearing pin, one end has first limiting stopper, the hinged first in command who has first cam of the other end.

3. light-duty folding electric bicycle as claimed in claim 2, it is characterized in that: described standpipe and front fork have the snap ring and the draw-in groove that can cooperatively interact and rotate, the described first folding quick detach comprises the second clamp ring body that holds standpipe one circle, the second clamp ring body two ends wears second bearing pin, second bearing pin, one end has second limiting stopper, the hinged second in command who has second cam of the other end.

4. light-duty folding electric bicycle as claimed in claim 3, it is characterized in that: the described second folding quick detach comprise a side respectively with two sections inner ring and outer rings that cross member of frame is affixed, the outer ring wears croisillon de joint homocinetique at the cross member of frame opposite side, inner ring has the guide groove that passes through for croisillon de joint homocinetique, the guide groove two ends have the bearing pin knock hole in 180 ° of positions at interval, the sheathed retracing spring of croisillon de joint homocinetique stretches out hinged the 3rd handle that has the 3rd cam in end of outer ring.

5. as each described light-duty folding electric bicycle of claim 1 to 4, it is characterized in that: described Manpower driver comprises a crank throw affixed with affixed hinge wheel, upper end and the hinge wheel of seat pipe hypomere, with the affixed pedal in crank throw lower end, with the affixed minor sprocket of rear wheel assembly and hold chain big, sprocket wheel, and described pedal crank throw relatively folds.

6. light-duty folding electric bicycle as claimed in claim 5 is characterized in that: described chain both sides are coated with plastic outer layer.

7. as each described light-duty folding electric bicycle of claim 1 to 4, it is characterized in that: described seat pipe hypomere diameter successively decreases from the bottom to top, is certain taper.

8. as each described light-duty folding electric bicycle of claim 1 to 4, it is characterized in that: described electric driver comprises by lead bonded assembly controller, battery manager, battery, all be built in cross member of frame and the vehicle frame seat pipe, battery is divided into two sections, be located at respectively in cross member of frame leading portion and the vehicle frame seat pipe, middle battery manager is connected with battery in the vehicle frame seat pipe and is combined into one with the lead connection, and controller is located in the cross member of frame back segment.

9. as each described light-duty folding electric bicycle of claim 1 to 4, it is characterized in that: the guide chute that described seat pipe two sections are respectively equipped with the guiding draw runner and cooperate with the guiding draw runner, by draw runner and chute guide-localization.