CN207712219U - Folding electric bicycle - Google Patents

Abstract

The utility model is related to a kind of folding electric bicycles, including handlebar, vehicle frame, front and back wheel, vehicle frame is the double column frame structures being connected to form by cant beam and bottom end rail, the front end of two cant beams is connected on the transverse tube end of cross pipe support altogether, be hinged on bottom end rail installation lithium battery pedal, pedal can horizontal on double bottom end rails；It wears and is connect standing on the vertical tube of cross pipe support, vertical lower termination front fork, the standpipe of front fork is the bi-body structure of docking, is connected through the hinge into foldable structure；It is connected to hind axle and after-poppet respectively in the rear end of bottom end rail, saddle support bar is connected with by shaft on after-poppet, vehicle seat is connected on saddle support bar, back stay is connected on saddle support bar, bottom end rail connects into foldable structure by connecting shaft.The utility model realizes the close overlapping of bicycle, is not easy to scatter, and supporting ＆ stablizing, thereby facilitates the carrying and transport of folding electric bicycle.

Description

Folding electric bicycle

Technical field

The utility model is related to a kind of bicycle, specifically a kind of folding electric bicycle.

Background technology

Folding electric bicycle reduces volume by folding, easy to carry and carry, since launch, gradually by People's likes.Current folding electric bicycle on the market reduces the purpose of folding volume in order to realize, it usually needs to certainly The positions such as driving handlebar position, front-wheel and trailing wheel carry out folding respectively and fold, and fold mechanism is complex, and folding operation is more It is cumbersome, also, the fitting defective tightness of folded portion, it is easy to scatter, bring inconvenience to carrying and transport.

Utility model content

The purpose of this utility model is just to provide a kind of folding electric bicycle, to solve after the folding of existing bicycle folds The problem of folded portion causes to be easy to scatter because of fitting defective tightness.

The utility model is realized in this way：A kind of folding electric bicycle, including handlebar, vehicle frame, front-wheel, trailing wheel and wheel Formula driving motor, the vehicle frame are to be connected to form frame body unit by cant beam and bottom end rail, and two frame body unit juxtaposition connections are constituted The front end of double column frame structures, two cant beams is connected to the transverse tube end on cross pipe support by axis pin, in frame body unit In a bottom end rail on be hinged with pedal for installing lithium battery；It wears and is connect vertical on the vertical tube of cross pipe support, described Vertical lower termination front fork, the top riser of the front fork are the bi-body structure of docking, and hinge and blocking mechanism are equipped at docking； It is equipped with cradle head and detent mechanism in the back segment of the bottom end rail, hind axle is connected to respectively with after in the rear end of the bottom end rail Holder, the trailing wheel are connected on hind axle, saddle support bar are connected with by axis pin on holder in the rear, on saddle support bar It is provided with vehicle seat, is hinged with back stay on the cross tube of holder in the rear, the lower end of the back stay, which is overlapped on, is connected to two On supporting rod between a frame body unit, and limited by the pedal of the horizontal on double bottom end rails；It props up in the rear The back segment of frame is provided with socket or slot, and the lower end of back seat strut is plugged in the socket or slot of after-poppet, back seat strut Upper end and the back rest frame of horizontal be hinged, the front end of back rest frame is hinged on saddle support bar, and back seat is provided on back rest frame Plate.

Front-wheel can be overturn folding between pair column frame bodies, separately by the utility model by the way that double column frame structures are arranged Outside, after raising pedal, withdrawing from the lower end support of back stay, bottom end rail back segment can be turned up in joint, makes bottom end rail back segment Subsidiary trailing wheel part rotates together 90 °, between double column frame bodies, and vehicle seat and back seat plate then can after relay and put down in trailing wheel On, thus by the front and rear wheel folding and retraction of bicycle in double column frame structures of vehicle frame, it is thus achieved that bicycle is tight Close overlapping is not easy to scatter, and stablizes support, to facilitate the carrying and transport of folding electric bicycle.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the folded state schematic diagram of the utility model.

Fig. 3 is the structural schematic diagram of cross pipe support.

Fig. 4 is the structural schematic diagram of front fork switching mechanism.

Fig. 5 is the structural schematic diagram of pedal switching mechanism.

In figure：1, vehicle frame, 2, after-poppet, 3, pedal, 4, cross pipe support, 5, saddle support bar, 6, back rest frame, 7, vertical, 8, Front fork, 9, inserted link, 10, trailing wheel, 11, back stay, 12, vehicle ladder, 13, slot, 14, bolt, 15, pull locknut soon, 16, handlebar, 17, Front mudguard, 18, rear mudguard, 19, supporting rod, 20, hinge, 21, back seat strut, 22, cradle head, 24, back seat plate, 25, Front-wheel, 26, hinge, 27, jack, 29, axis pin, 31, retaining screw, 32, latch lever, 33, pin hole.

Specific implementation mode

As shown in Figure 1, the vehicle frame 1 of the utility model is a frame body unit being connected to form by cant beam and bottom end rail, two A same frame body unit or so juxtaposition, is fixedly connected by connecting rod, constitutes a kind of double column frame structures（Fig. 2）.Two tiltedly The front end of beam is connected to the transverse tube end on cross pipe support 4 by axis pin 29, forms rotation connection structure.The one of vehicle frame 1 Pedal 3 is hinged with by hinge 20 on the lateral surface of root bottom end rail（Fig. 2）, which can turn on one's side standing, to get out of the way double column framves The storage space of body.It is both the lower end position-limit mechanism as back stay 11 when 3 horizontal of pedal is on two bottom end rails, And as foot-operated object when riding.Pedal 3 is arranged by the volume of lithium battery, is electric bicycle to install lithium battery Power source is provided.

It wears and is connect vertical 7 on the vertical tube of cross pipe support 4, vertical 7 upper end is picked up 16, cross is inserted into vertical 7 lower end In the vertical tube of pipe support 4, to connect front fork 8.In Fig. 3, it is equipped with slot on cross pipe support 4, bolt 14 is provided in slot, It is socketed with resetting spring on bolt 14（It is not shown）.Under normality, bolt 14 is reset spring compacting in an inserted condition, to pin Cross pipe support 4 and vehicle frame 1 make cross pipe support 4 keep stable state constant with vehicle frame 1.After above carrying bolt 14 manually, cross tee Limit between frame 4 and vehicle frame 1 is eliminated, and cross pipe support 4 can be rotated around vehicle frame 1, holds handlebar 16 at this time, is driven vertical 7, ten Word pipe support 4 and front fork 8, rotate forward around vehicle frame 1, you can are recovered to front-wheel 25 from below in the space of vehicle frame 1（Fig. 2）. It is equipped with vertical 7 and pulls locknut 15 soon, to adjust the height of handlebar 16.

The top riser of front fork 8 is set as the bi-body structure of docking by the utility model, and 26 He of hinge is provided at docking Blocking mechanism makes vertical tube of front fork become foldable structure by the connection of hinge 26.As shown in figure 4, at the top of front fork 8 In three orientation of other in addition to hinge of the hypomere upper edge of standpipe, it is respectively arranged with big two small three vertical pieces, wherein The two smaller vertical on pieces adjacent with hinge 26 have pin hole 33, and the position of two pin holes is opposite, wherein a pin Welded nut on hole, and wear and connect retaining screw 31.It is provided with jack 27 in the larger vertical on piece of third.It is vertical at the top of front fork 8 Convex edge under annular is formed on the epimere lower face of pipe, latch lever 32 is arranged in standpipe epimere, is socketed with resetting spring thereon.Preceding It also wears on the epimere of the top riser of fork 8 and is connected to inserted link 9, the front end of inserted link 9 is pluggable in big on piece of standing when front fork resets In jack 27.After front fork 8 resets, by turning retaining screw 31, the front end of latch lever 32 can be headed into pin hole 33, will before The top riser locking of fork 8.31 part of inserted link 9, latch lever 32 and retaining screw etc. constitutes the breech-block of 8 top riser of front fork Structure.

By above-mentioned counteragent, you can the top riser of front fork 8 is decontroled and is folded down, when front-wheel 25 is retracted to vehicle frame 1 In after, you can the front of vehicle frame 1 is hung upside down by handlebar 16, the fold of the vertical part such as 7 and cross casing 4（Fig. 2）.In handlebar 26 On can be formed with foldable articulation mechanism, outside is shielded and sustain plus spring and casing, you can realize the back bending of handlebar fold with The fixed transformation of straight-arm, to reduce the length of handlebar when bicycle folds.

In Fig. 1, it is equipped with cradle head 22 and detent mechanism in the back segment of the bottom end rail of vehicle frame 1, cradle head 22 can be used The structures such as card can be used in existing 90 degree of bending joints, detent mechanism, to ensure that bottom end rail being capable of horizontal placement.Under The rear end of crossbeam is connected to hind axle and after-poppet 2 respectively, and trailing wheel 10 and vehicle ladder 12 are connected on hind axle, in trailing wheel 10 Wheel type driving motor is installed.The T-type frame that after-poppet 2 is made of cross tube and upright bar, in the front end of the cross tube of after-poppet 2 There is saddle support bar 5 by axis connection, vehicle seat is terminated on saddle support bar 5.It is hinged on the connecting rod of the cross tube of after-poppet 2 There is back stay 11（The connecting rod is located between the front end of both sides cross tube）, the lower end of back stay 11 is overlapped on supporting rod 19, props up Strut 19 is connected between two frame body units, and bond end of the back stay 11 on supporting rod 19 be by horizontal under double What the pedal 3 on crossbeam was limited.It is provided with slot 13 in the rear end of the cross tube of after-poppet 2, the lower end of back seat strut 21 is inserted It being connected in the slot 13 of after-poppet 2, the upper end and the rear end of back rest frame 6 of back seat strut 21 are hinged, 6 horizontal of back rest frame, before End is hinged on by connecting shaft on saddle support bar 5, and back seat plate 24 is provided on back rest frame 6.

The folding mode of the utility model is：When folding, after fixing vehicle ladder 12, back seat rack 21 from after-poppet 2 Slot 13 in extract, rotation back seat rack 21 it is parallel with back rest frame 6, rearward pulling seat support 5, make seat support 5 and Then vehicle seat horizontal pulls down back seat rack 21 in after-poppet 2, make back rest frame 6 and back seat plate 24 are longitudinal together to stick on trailing wheel 10 rear portion depresses after unclamping vehicle seat fixing piece, keeps it concordant with back seat plate 24.Pedal 3 is raised again, 11 lower end of back stay Limit is eliminated, and pulls open back stay 11, the back segment of 1 bottom end rail of vehicle frame can cradle head 22 be axis, rotate forward over 90 ° upwards, After-poppet 2 is set to fold on vehicle frame 1.The bolt 14 on cross casing 4 is pulled, cross casing 4 unlocks, and front-wheel and handlebar are along axis pin 29 rotations, front-wheel 25 rotate backward, and are inserted into vehicle frame 1 and lock.Inserted link 9 on front fork 8 is extracted, handlebar 16 and handle vertical 7 are 180 ° can be turned down forward to fall.Retaining screw 31 is turned, latch lever 32 is pushed, so that its other end is inserted into pin hole 33, you can to preceding Fork riser plays the role of reinforcing.It pulls open and pulls locknut 15 soon, shunk in place vertical 7, then buckle well and pull locknut 15 soon.By handlebar After 16 both ends fold, you can complete the folding of vehicle.

Claims (1)

1. a kind of folding electric bicycle, including handlebar, vehicle frame, front-wheel, trailing wheel and Wheel type driving motor, characterized in that described Vehicle frame is to be connected to form frame body unit by cant beam and bottom end rail, and two frame body unit juxtaposition connections constitute double column frame structures, The front end of two cant beams is connected to the transverse tube end on cross pipe support by axis pin, on a bottom end rail in frame body unit It is hinged with the pedal for installing lithium battery；It wears and is connect vertical on the vertical tube of cross pipe support, it is described vertical lower termination front fork, institute The top riser for stating front fork is the bi-body structure of docking, and hinge and blocking mechanism are equipped at docking；After the bottom end rail Section is equipped with cradle head and detent mechanism, is connected to hind axle and after-poppet respectively in the rear end of the bottom end rail, the trailing wheel connects It is connected on hind axle, saddle support bar is connected with by axis pin on holder in the rear, vehicle seat is provided on saddle support bar, in institute It states and is hinged with back stay on the cross tube of after-poppet, the lower end of the back stay, which is overlapped on, to be connected between two frame body units On supporting rod, and limited by the pedal of the horizontal on double bottom end rails；The back segment of holder is provided with socket in the rear Or slot, the lower end of back seat strut is plugged in the socket or slot of after-poppet, behind the upper end of back seat strut and horizontal Mounting is hinged, and the front end of back rest frame is hinged on saddle support bar, and back seat plate is provided on back rest frame.