CN203450274U

CN203450274U - Foldable electric bicycle

Info

Publication number: CN203450274U
Application number: CN201320333156.2U
Authority: CN
Inventors: 曹唯
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-09
Filing date: 2013-06-09
Publication date: 2014-02-26
Anticipated expiration: 2023-06-09

Abstract

The utility model discloses a foldable electric bicycle. The foldable electric bicycle comprises a frame main body formed by a main beam, an auxiliary beam and a transmission mechanism, a rear wheel is arranged on the back end of the frame main body, pedal structures are arranged on the two sides of the frame main body, a wheel bracket is mounted on the front end of the main beam, a front wheel and a steering shaft are mounted on the wheel bracket, a tap is mounted on the upper end of the steering shaft, the main beam and the auxiliary beam are hinged by a horizontal jointed shaft, an upper cavity is arranged on the upper part of the main beam, a bicycle seat is mounted on the back end of the auxiliary beam; the wheel bracket is hinged on the front end of the main beam by the jointed shaft, the steering shaft is a nested structure, a lower cavity is arranged below the main beam, and when the bicycle is folded, the wheel bracket is folded into the lower cavity below the main beam along the jointed shaft. The foldable electric bicycle has the following advantages that the size of the folded bicycle is greatly reduced, the folded shape is regular and perfect, the folding process is time-saving and labor-saving, simple, quick and convenient, so as to meet the convenient carryover and storage requirement, and moreover the reliability is high.

Description

Electric foldable power-assistant bicycle

Technical field

The utility model relates to a kind of walking-replacing tool of convenient trip, and specifically a kind of electric foldable power-assistant bicycle, belongs to vehicle technology field.

Background technology

Demand for development along with low-carbon economy, have nimble, fashion, the electric motor car power assisting car development of environmental protection is welcome by citizen rapidly and extensively and likes, become walking-replacing tool desirable in people mind, at present, the walking-replacing tool such as battery-driven car and Electrical Bicycle is very general, the volume and weight of known these electric assisted bicycles is all larger, therefore be difficult to deposit and carry, on market, engendered folding electric bicycle afterwards, existing these folding electric bicycles are unreasonable because structure arranges, still can only complete on the one hand preliminary folding, size after folding is still very large, and folding out-of-shape, folding imperfect, on the other hand, fold up and waste time and energy, operation inconvenience, is therefore still difficult to meet the requirement that is convenient for carrying and stores.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of folding easy and convenient, easy to carry and store electric foldable power-assistant bicycle.

In order to solve the problems of the technologies described above, electric foldable power-assistant bicycle of the present utility model, comprise by girder and be connected to auxiliary girder on girder and main body of vehicle frame that transmission device forms, the rear end of main body of vehicle frame is provided with rear wheel, the both sides of main body of vehicle frame are provided with pedal structure, the front end of girder is provided with wheel stand, the rotation shaft of wheel that front vehicle wheel is installed on wheel stand and can makes front vehicle wheel turn to, the upper end of rotation shaft of wheel is provided with tap, girder and auxiliary girder are hinged by the horizontally hinged axle between girder front portion and auxiliary girder front end, the top of girder is provided with a upper cavity that can hold auxiliary girder, the rear end of auxiliary girder is provided with vehicle seat, wheel stand is hinged on the front end of girder by jointed shaft, rotation shaft of wheel is set to nested structure that can be flexible in wheel stand, the below of girder is provided with the lower chamber that can hold wheel stand and front vehicle wheel, makes along jointed shaft, to fold in the lower chamber of girder below in rotation shaft of wheel indentation wheel stand and by wheel stand when folding.

Between described girder and auxiliary girder, be provided with one for the bumper of support girder and auxiliary girder, the upper end of described bumper is hinged on the middle part of auxiliary girder, and the lower end of bumper is arranged in the upper cavity of girder.

In the upper cavity of described girder, there is a horizontally disposed guide finger, the lower end of bumper is connected on guide finger, on the sidewall of described girder both sides, be respectively arranged with a longitudinal guide groove that is positioned at upper cavity, the two ends of guide finger lay respectively in two longitudinal guide grooves and longitudinally guide groove move forward and backward, when auxiliary girder during in lifting status bumper longitudinally guide groove swing backward and make that guide finger is spacing forms a leg-of-mutton supporting construction at longitudinal guide groove back segment, when girder and auxiliary girder are during in folded state, guide finger is positioned at longitudinal guide groove leading portion and makes girder, auxiliary girder and bumper approach and overlap.

In the upper cavity of described girder, be provided with two connecting panels that are connected to auxiliary girder inner side, on two inwalls of connecting panel, be respectively arranged with a longitudinal guide groove, in the upper cavity of girder, also has a horizontally disposed guide finger, the lower end of bumper is connected on guide finger, the two ends of guide finger lay respectively in two longitudinal guide grooves and longitudinally guide groove move forward and backward.

The both sides of described girder are provided with two blocks of side plates, and wheel stand is hinged on the front end of two blocks of side plates, are also provided with one for wheel stand and girder are entered to line-locked lockout mechanism between described two blocks of side plates.

Described lockout mechanism comprises a latch frame on the jointed shaft that is connected to wheel stand, is provided with lock slots in latch frame, on two blocks of side plates of girder, is also provided with the stop pin coordinating with lock slots.

Described vehicle seat comprises an adapter shaft that is connected to auxiliary girder rear end, and connecting the tip of the axis has one and the vertically disposed vehicle seat rotating shaft of adapter shaft, and vehicle seat body is connected to the upper end of vehicle seat rotating shaft by a rotational pin.

Described tap comprises two handlebars that are in-line setting that are socketed in the bracing frame of rotation shaft of wheel upper end and are hinged on the bracing frame left and right sides, and described handlebar can make handlebar and bracing frame approach parastate after folding by jointed shaft.

Described pedal structure comprise Collapsible structure pedal shaft and be connected to the pedal arm on pedal shaft, the lower end of described pedal arm is provided with pedal jointed shaft, pedal body is hinged on the lower end of pedal arm by pedal jointed shaft.

The utlity model has following advantage:

Due to the girder arranging and the auxiliary girder hinged with girder, the top of girder is provided with a upper cavity that can hold auxiliary girder, rotation shaft of wheel is set to nested structure that can be flexible in wheel stand, the below of girder is provided with the lower chamber that can hold wheel stand and front vehicle wheel, while therefore folding, auxiliary girder can be folded in the upper cavity of girder, make to take turns simultaneously and along jointed shaft, fold in the lower chamber of girder below in rotating shaft indentation wheel stand and by wheel stand, the pedal fold mechanism simultaneously arranging, tap fold mechanism and other fold mechanism can further fold, make thus its folding better effects if, folding rear size is set thus to diminish greatly, folding regular shape, folding perfect, to fold up also time saving and energy saving simultaneously, folding simple, fast, convenient, and because structure arranges rationally, safe and reliable, not only met thus the requirement that is convenient for carrying and stores, and reliability is high.

Accompanying drawing explanation

Fig. 1 is the whole perspective view of the utility model deployed condition;

Fig. 2 is the sectional perspective structural representation of the utility model deployed condition;

Fig. 3 is the connection structure schematic diagram of bumper and auxiliary girder in the utility model;

Fig. 4 is the connection structure schematic diagram of vehicle seat and auxiliary girder in the utility model;

Fig. 5 is the connection structure schematic diagram of leading in the utility model and rotation shaft of wheel;

Fig. 6 is the perspective view of pedal structure in the utility model;

Fig. 7 is the perspective view of the utility model folded state.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, electric foldable power-assistant bicycle of the present utility model is described in further detail.

As shown in the figure, electric foldable power-assistant bicycle of the present utility model, comprise by girder 1 and be connected to auxiliary girder 2 on girder and main body of vehicle frame that transmission device forms, the rear end of main body of vehicle frame is provided with rear wheel 3, the both sides of main body of vehicle frame are provided with pedal structure, the front end of girder 1 is provided with wheel stand 4, the rotation shaft of wheel 6 that front vehicle wheel 5 is installed on wheel stand 4 and can makes front vehicle wheel turn to, the upper end of rotation shaft of wheel 6 is provided with tap 7, girder 1 and auxiliary girder 2 are hinged by the horizontally hinged axle between girder front portion and auxiliary girder front end, the top of girder 1 is provided with a upper cavity 8 that can hold auxiliary girder 2, wherein the shape of upper cavity 8 and the shape of auxiliary girder adapt, thus when not using, auxiliary girder 2 can be placed in upper cavity 8 completely by horizontal rotating shaft, the rear end of auxiliary girder 2 is provided with vehicle seat, wheel stand 4 is hinged on the front end of girder 1 by jointed shaft, rotation shaft of wheel 6 is set to can be at the interior flexible nested structure of wheel stand 4, the below of girder 1 is provided with the lower chamber 10 that can hold wheel stand 4 and front vehicle wheel 5, when folding by rotation shaft of wheel 6 indentation wheel stands 4, then wheel stand is folded in the lower chamber 10 of girder 1 below along jointed shaft, make thus wheel stand and front vehicle wheel be positioned at lower chamber 10 completely, folding perfect.

Further can between girder 1 and auxiliary girder 2, be provided with one for the bumper 11 of support girder 1 and auxiliary girder 2, the upper end of bumper 11 is hinged on the middle part of auxiliary girder 2, wherein bumper 11 can have multiple mounting modes, wherein a kind of mode is arranged on the lower end of bumper 11 in the upper cavity 8 of girder 1, in the upper cavity 8 of girder 1, there is a horizontally disposed guide finger 12, the lower end of bumper 11 is connected on guide finger 12, on the sidewall of girder 1 both sides, be respectively arranged with a longitudinal guide groove 13 that is positioned at upper cavity 8, the two ends of guide finger 12 lay respectively in two longitudinal guide grooves and longitudinally guide groove move forward and backward, when auxiliary girder 2 during in lifting status bumper 11 longitudinally guide groove swing backward and make that guide finger 12 is spacing forms a leg-of-mutton supporting construction at longitudinal guide groove back segment, when girder 1 and auxiliary girder 2 are during in folded state, guide finger 12 is positioned at longitudinal guide groove leading portion and makes girder 1, auxiliary girder 2 and bumper 11 approach and overlap.

Another kind of mode as shown in Figure 3, in the upper cavity 8 of girder, be provided with two connecting panels 14 that are connected to auxiliary girder 2 inner sides, on two inwalls of connecting panel 14, be respectively arranged with a longitudinal guide groove 13, in the upper cavity 8 of girder 1, also has a horizontally disposed guide finger 12, the lower end of bumper 11 is connected on guide finger 12, the two ends of guide finger 12 lay respectively in two longitudinal guide grooves and longitudinally guide groove move forward and backward.

As shown in Figure 2, further in order to meet operating needs, can between wheel stand 4 and girder 1, lockout mechanism be set, the both sides of girder 1 are provided with two blocks of side plates 18, wheel stand 4 is hinged on the front end of two blocks of side plates, between two blocks of side plates, be also provided with one for wheel stand 4 and girder 1 are entered to line-locked lockout mechanism, lockout mechanism comprises a latch frame 15 on the jointed shaft that is connected to wheel stand 4, in latch frame 15, be provided with lock slots 16, on two blocks of side plates 18 of girder 1, be also provided with the stop pin 17 coordinating with lock slots 16.

As shown in Figure 4, further in order to meet the folding requirement of vehicle seat, vehicle seat comprises an adapter shaft 19 that is connected to auxiliary girder 2 rear ends, and the end of adapter shaft 19 has one and the vertically disposed vehicle seat rotating shaft 20 of adapter shaft, and vehicle seat body 9 is connected to the upper end of vehicle seat rotating shaft 20 by a rotational pin 21.

Tap can also be folded further again, as shown in Figure 5, tap 7 comprises two handlebars 23 that are in-line setting that are socketed in the bracing frame 22 of rotation shaft of wheel 6 upper ends and are hinged on bracing frame 22 left and right sides, and described handlebar 23 can make handlebar 23 and bracing frame 22 approach parastate after folding by jointed shaft.

The utility model can also arrange accordion structure by pedal structure, as shown in Figure 6, pedal structure comprises the pedal shaft 24 of Collapsible structure and is connected to the pedal arm 25 on pedal shaft 24, the lower end of described pedal arm 25 is provided with pedal jointed shaft 26, and pedal body 27 is hinged on the lower end of pedal arm 25 by pedal jointed shaft 26.

Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.

Claims

1. an electric foldable power-assistant bicycle, comprise by girder (1) and be connected to auxiliary girder (2) on girder and main body of vehicle frame that transmission device forms, the rear end of main body of vehicle frame is provided with rear wheel (3), the both sides of main body of vehicle frame are provided with pedal structure, the front end of girder (1) is provided with wheel stand (4), the rotation shaft of wheel (6) that front vehicle wheel (5) is installed on wheel stand (4) and can makes front vehicle wheel turn to, the upper end of rotation shaft of wheel (6) is provided with tap (7), it is characterized in that: described girder (1) and auxiliary girder (2) are hinged by the horizontally hinged axle between girder front portion and auxiliary girder front end, the top of described girder (1) is provided with a upper cavity (8) that can hold auxiliary girder (2), the rear end of described auxiliary girder (2) is provided with vehicle seat, described wheel stand (4) is hinged on the front end of girder (1) by jointed shaft, described rotation shaft of wheel (6) be set to can be in wheel stand (4) flexible nested structure, the below of girder (1) is provided with the lower chamber (10) that can hold wheel stand (4) and front vehicle wheel (5), makes along jointed shaft, to fold in the lower chamber (10) of girder (1) below in rotation shaft of wheel (6) indentation wheel stand (4) and by wheel stand when folding.

2. according to electric foldable power-assistant bicycle claimed in claim 1, it is characterized in that: between described girder (1) and auxiliary girder (2), be provided with one for the bumper (11) of support girder (1) and auxiliary girder (2), the upper end of described bumper (11) is hinged on the middle part of auxiliary girder (2), and the lower end of bumper (11) is arranged in the upper cavity (8) of girder (1).

3. according to electric foldable power-assistant bicycle claimed in claim 2, it is characterized in that: in the upper cavity (8) of described girder (1), have a horizontally disposed guide finger (12), the lower end of bumper (11) is connected on guide finger (12), on the sidewall of described girder (1) both sides, be respectively arranged with a longitudinal guide groove (13) that is positioned at upper cavity (8), the two ends of guide finger (12) lay respectively in two longitudinal guide grooves and longitudinally guide groove move forward and backward, when auxiliary girder (2) during in lifting status bumper (11) longitudinally guide groove swing backward and make that guide finger (12) is spacing forms a leg-of-mutton supporting construction at longitudinal guide groove back segment, when girder (1) and auxiliary girder (2) are during in folded state, guide finger (12) is positioned at longitudinal guide groove leading portion and makes girder (1), auxiliary girder (2) and bumper (11) approach and overlap.

4. according to electric foldable power-assistant bicycle claimed in claim 2, it is characterized in that: in the upper cavity of described girder (8), be provided with two connecting panels (14) that are connected to auxiliary girder (2) inner side, on two inwalls of connecting panel (14), be respectively arranged with a longitudinal guide groove (13), in the upper cavity (8) of girder (1), also has a horizontally disposed guide finger (12), it is upper that the lower end of bumper (11) is connected to guide finger (12), the two ends of guide finger (12) lay respectively in two longitudinal guide grooves and longitudinally guide groove move forward and backward.

5. according to electric foldable power-assistant bicycle claimed in claim 1, it is characterized in that: the both sides of described girder (1) are provided with two blocks of side plates (18), wheel stand (4) is hinged on the front end of two blocks of side plates, is also provided with one for wheel stand (4) and girder (1) are entered to line-locked lockout mechanism between described two blocks of side plates.

6. according to electric foldable power-assistant bicycle claimed in claim 5, it is characterized in that: described lockout mechanism comprises a latch frame (15) on the jointed shaft that is connected to wheel stand (4), in latch frame (15), be provided with lock slots (16), on two blocks of side plates (18) of girder (1), be also provided with the stop pin (17) coordinating with lock slots (16).

7. according to electric foldable power-assistant bicycle claimed in claim 1, it is characterized in that: described vehicle seat comprises an adapter shaft (19) that is connected to auxiliary girder (2) rear end, the end of adapter shaft (19) has one and the vertically disposed vehicle seat rotating shaft of adapter shaft (20), and vehicle seat body (9) is connected to the upper end of vehicle seat rotating shaft (20) by a rotational pin (21).

8. according to electric foldable power-assistant bicycle claimed in claim 1, it is characterized in that: described tap (7) comprises two handlebars (23) that are in-line setting that are socketed in the bracing frame (22) of rotation shaft of wheel (6) upper end and are hinged on bracing frame (22) left and right sides, and described handlebar (23) can make handlebar (23) and bracing frame (22) approach parastate after folding by jointed shaft.

9. according to electric foldable power-assistant bicycle claimed in claim 1, it is characterized in that: described pedal structure comprises the pedal shaft (24) of Collapsible structure and is connected to the pedal arm (25) on pedal shaft (24), the lower end of described pedal arm (25) is provided with pedal jointed shaft (26), and pedal body (27) is hinged on the lower end of pedal arm (25) by pedal jointed shaft (26).