CN2915653Y

CN2915653Y - Folding type electric bicycle improvement

Info

Publication number: CN2915653Y
Application number: CN 200620120470
Authority: CN
Inventors: 林丽如
Original assignee: KENTFA ADVANCED TECHNOLOGY Co Ltd
Current assignee: KENTFA ADVANCED TECHNOLOGY Co Ltd
Priority date: 2006-06-30
Filing date: 2006-06-30
Publication date: 2007-06-27
Anticipated expiration: 2016-06-30

Abstract

The utility model is an improved foldable electrical bicycle, which comprises a connection rack, front rack and back rack which are arranged at both sides of the connection rack, a positioning unit and a bridging pole; wherein the connection rack is neighboring to one side of the front end and is provided with closing sheet downwards; the closing sheet is provided with a closing hole to provide positioning pull pole, which is arranged inside the positioning unit frame on the bridging pole, to stop toward hole edge of the closing hole, making the front and the back rack to reach folding and positioning when moving internally; the other end of the positioning unit frame is provided with a buffer block, which makes the front and back rack to support at unfolding position, to meet purpose of avoiding direct hitting with the positioning unit for the connection rack and the back rack after being unfolded.

Description

The improvement of convertible electric bicycle

Technical field

The utility model relates to a kind of convertible electric bicycle of improvement, relating in particular to a kind of forward and backward vehicle frame moves inward to reach when folding and folds clipping location, and by locating the bump rubber of framing other end socket, the back vehicle frame can be resisted against on the bump rubber in folded-out position, prevent that link span, back vehicle frame from launching the direct and location group collision in back.

Background technology

General electric bicycle all have vehicle frame, respectively be located at the vehicle frame front and back end front and back wheel, pivot be arranged on the handle bridge of vehicle frame front end and may command front-wheel steering and be assembled in vehicle frame and trailing wheel between sprocket drive, rotate with the trailing wheel that drives electric bicycle by driver train, and then reach the purpose of electric bicycle reach.

But above-mentioned electric bicycle is fixed owing to its vehicle frame, in collection, take up space, therefore, in order to adapt to the narrow and small problem in modern living space, just occurred a kind of before, the collapsible electric bicycle that folds of back vehicle frame, its rough structure as shown in Figure 1, this electric bicycle A1 comprises vehicle frame A11, be assembled in cooresponding front-wheel A12 in vehicle frame A11 bottom and front and back and trailing wheel A13 respectively, be located at the cushion A14 on vehicle frame A11 top, and the handlebar stem A15 that is installed in vehicle frame A11 the place ahead and may command direction, wherein, this vehicle frame A11 have be positioned at before, trailing wheel A12, attaching parts A16 between the A13, and in order to make vehicle frame A11 collapsible, this attaching parts A16 is made of preceding bar A161 that can dock and back bar A162, before butt joint, back bar A161, be assembled with fold mechanism A17 between the A162.

By controlling this fold mechanism A17, can make this electric bicycle A1 reach the folding state that folds, as shown in Figure 1, existing convertible electric bicycle A1 is by forward and backward bar A161, the folding design of A162 of attaching parts A16, really can make the overall space smaller volume of electric bicycle A1 after folding, and then the purpose that reaches convenient collection, do not take up space, be that aforementioned electric bicycle A1 still has following problems existence when reality is used:

1. fold the mode folding with this kind, the car body of electric bicycle A1 is long.

Because, shore cushion A14 seat pipe and can't folding, still take up room; In addition, after electric bicycle A1 is folding, when it is moved, A12 relies on trailing wheel A13 because of its front-wheel, at this moment, trailing wheel A13 and front-wheel A12 be butt mutually, and two axles can stagger mutually and make outstanding the stretching in the front-wheel A12 of wheel shaft of trailing wheel A13, causes electric bicycle A1 can't reach the purpose that moves easily by the drive of wheel.

2. have only the whole ground that is lifted away from of electric bicycle A1 just can be moved again, cause the inconvenience of moving after rider's folding, effort.

The utility model content

The utility model purpose is to provide a kind of " the convertible electric bicycle of improvement ", wish by this design, it makes link span be adjacent to the fastening hole of front end one side fastening piece, can in the peritreme of fastening hole, block the fastening position for the positioning tie bar in the location framing that is arranged on the joining rod, electric bicycle overall space volume after order is amounted to is less, and utilize link span and the back location group between the vehicle frame and the bump rubber of the framework other end socket by this location group, can be thereby be beneficial to the back vehicle frame in folded-out position against thereon, reach and prevent link span, back vehicle frame launches the purpose that the back is direct and the location group is collided.

For reaching aforementioned utility model purpose, the technological means that the utility model used is for providing a kind of convertible electric bicycle of improvement, comprise link span, be located at the front vehicle frame at link span two ends respectively, back vehicle frame, pivot is arranged on the fulcrum between link span and the front vehicle frame, pivot be arranged on link span and back between the vehicle frame the location group and the auxiliary wheel of curved bar, wherein, this link span is adjacent to the downward fastening piece that is provided with of front end one side direction, on fastening piece, be provided with fastening hole, can in the peritreme of fastening hole, only block for the positioning tie bar in the location framing of being located on the joining rod, before making it, back vehicle frame moves inward to reach when folding and folds the location, again in location framing other end socket bump rubber, before making, back vehicle frame can folded-out position support against, reach and prevent link span, back vehicle frame launches the purpose that the back is direct and the location group is collided.

Description of drawings

Fig. 1 is the lateral plan after conventional electric bicycle folds;

Fig. 2 is the utility model block diagram;

Fig. 3 is the three-dimensional outside drawing that link span of the present utility model and back vehicle frame articulate;

Fig. 4 is the birds-eye view that link span of the present utility model and back vehicle frame articulate;

Fig. 5 is the birds-eye view that link span fulcrum of the present utility model and fastening piece articulate;

Fig. 6 is the scheme drawing of location of the present utility model group assembly part;

Fig. 7 is that the positioning tie bar of location of the present utility model group draws scheme drawing outward;

Fig. 8 is the positioning tie bar of location of the present utility model group and the birds-eye view that binding block is disengaged position;

Fig. 9 is the scheme drawing that link span of the present utility model and back vehicle frame are folded state;

Figure 10 is the scheme drawing that front and rear wheel of the present utility model moves respectively to the inside;

Figure 11 is positioned at ground-surface front elevation after of the present utility model the folding;

Figure 12 is the front elevation that location of the present utility model group is installed in joining rod.

The specific embodiment

Now the utility model is described in further detail with specific embodiments and the drawings.

See also in Fig. 2 and the preferred embodiment shown in Figure 3, the utility model convertible electric bicycle 1 also can reach the folding effect of the electric bicycle A1 of prior art, and it comprises link span 2, is located at the front vehicle frame 3 and the back vehicle frame 4 of link span 2 rear and

front ends

21,22, is hubbed on the location group 5 between link span 2 and the back vehicle frame 4 and passes and be arranged on the joining rod 6 between the vehicle frame 4 afterwards; Wherein

The vertical direction of these link span 2 front ends 21 is provided with fulcrum 210, and is adjacent to the downward fastening piece 212 that is provided with fastening hole 211 of front end 21 1 side direction.

The upper and lower end of this front vehicle frame 3 is respectively equipped with

arc bump

30,31, upper and

lower arc bump

30,31 has the vertical direction of the

front end

21,61 that is installed in link span 2, joining rod 6, and the fulcrum 210,610 that articulates with front vehicle frame 3, and the front-wheel 32 of being located at front vehicle frame 3 bottoms.

This back vehicle frame 4 has two parallel left sides,

right bridge

40,41, pivot is arranged at a left side, right bridge 40, trailing wheel 42 between 41 rear ends, be provided with transmission group 420 in the middle of the trailing wheel 42, be articulated in the left side of transmission group 420 dual-sides,

right bridge

40,41 outsides are equiped with curved bar 43 respectively, from the front end of the rear end 22 of link span 2 and the back vehicle frame 4 protruding axial region 44 that is pivoted, and be set in a left side, right bridge 40, the seat bar 45 of 41 front ends and upwards projection and the cushion 46 on top thereof, wherein, a left side,

right bridge

40,41 all have for the nested protruding axial region 44 in the rear end 22 of link span 2, and be pivoted with the side of protruding axial region 44, and the binding block 48 that can supply axostylus axostyle 47 to be pivoted, this binding block 48 is the L type, and binding block 48 locates to be provided with hole 480 below axostylus axostyle 47.

This location group 5 (as Fig. 2 and shown in Figure 6) laterally is installed in and is set on vehicle frame 4 left sides, back, right bridge 40, on the joining rod 6 between 41, this location group 5 has framework 50, framework 50 1 ends 500 link with joining rod 6, the bump rubber 502 that the other end 501 and dual-side have two parallel card bodies 503 forms sockets location (consulting shown in Figure 12 simultaneously), and framework 50 inner pivot are provided with positioning tie bar 51, at positioning tie bar 51 peripheral ring sets spring 52 is arranged, positioning tie bar 51 by spring 52 press elastic force can be in framework 50 before and after displacement, and positioning tie bar 51 is installed in the side of framework 50, and be projected into outside the side of framework 50, location clasp 53 with these framework 50 sides of inlay card, wherein, this positioning tie bar 51 is positioned at protruding axial region 44 belows that joining rod 6 articulates near link span 2 and back vehicle frame 4, end by control positioning tie bar 51, hole 480 corresponding and inlay cards with the binding block 48 that is articulated in protruding axial region 44 sides, can reach back, location vehicle frame 4, thereby the purpose that back vehicle frame 4 can be moved between expanded position and stowed position, and form by positioning tie bar 51 and hole 480 and to connect and fix or break away from, front-wheel 32 and trailing wheel 42 are moved respectively to the inside.

This joining rod 6 passes and is arranged between the left and

right bridge

40,41 of back vehicle frame 4, and front end is provided with fulcrum 610, articulates with front vehicle frame 3 lower end arc bumps 31, and the rear end connects on the present bar 45, and joining rod 6 with after be provided with between the vehicle frame 4 and be connected fulcrum 62.

The utility model is in order to make the electric bicycle 1 can be when the folded state, still can reach the purpose of static location, the end of curved bar 43 in trailing wheel 42 both sides of back vehicle frame 4 is articulated with auxiliary wheel 430, make auxiliary wheel 430 and trailing wheel 42 be located at same horizontal surface and be positioned on the ground 7, make the electric bicycle 1 after folding to put the location, and when mobile, can stablize vehicle body.

Consult Fig. 4 and shown in Figure 5, when electric bicycle 1 of the present utility model is wanted folding storage, adjust positioning tie bar 52 earlier, go out spring 52 to a layback again by original inlay card (as shown in Figure 6) in framework 50 inboards, make the positioning tie bar 51 and the hole 480 of binding block 48 break away from (as shown in Figures 7 and 8) after pressing, at this moment, mention cushion 46 on the other hand, then the axostylus axostyle 47 of the protruding axial region 44 between back vehicle frame 4 and the link span 2 is to top offset, back vehicle frame 4 can relative routine inwardly direction be bent with link span 2, before making simultaneously, trailing

wheel

32,42 move synchronously to the inside, again positioning tie bar 51 is blocked the fastening position in the fastening hole 211 of the fastening piece 212 of link span 2 one sides, promptly finish folding (as Fig. 9 and shown in Figure 10) of electric bicycle 1; On the contrary, as will drive electric bicycle 1 time, as long as repeat above-mentioned steps forward and backward

vehicle frame

3,4 is transferred to expanded position, after the axostylus axostyle 47 of link span 2 and back vehicle frame 4 is connected to form straight line, again the end of positioning tie bar 51 is worn inlay card location in the hole 480 of protruding axial region 44 side binding blocks 48, make forward and backward

vehicle frame

3,4 be resisted against on the bump rubber 502 of socket location group 5, prevent that link span 2, back vehicle frame 4 from launching direct and location group 5 collisions in back in folded-out position.

When back vehicle frame 4 when being positioned at expanded position, the trailing wheel 42 of back vehicle frame 4 and the front-wheel 32 of front vehicle frame 3 are positioned on the same horizontal surface, and the auxiliary wheel in the curved bar 43 430 kiss the earth 7 not; And when back vehicle frame 4 is positioned at stowed position, promptly back vehicle frame 4 is a fulcrum with the axostylus axostyle 47 of protruding axial region 44, make link span 2 and back vehicle frame 4 present bending-like, and joining rod 6 is rotated down by interlock, make the front-wheel 32 of the trailing wheel 42 of this back vehicle frame 4 near front vehicle frame 3, at this moment, auxiliary wheel 430 is on the same horizontal surface with trailing wheel 42 and contacts on ground 7 (as shown in figure 11), and the electric bicycle 1 after folding with auxiliary positioning makes its displacement.

To sum up, the utility model protruding axial region 44 between the vehicle frame 4 by link span 2 and back fold joining rod 6 folding designs, can make the more existing electric bicycle A1 of spatial volume after electric bicycle 1 folds little, and the bump rubber 502 that utilizes the location group 5 between link span 2 and the back vehicle frame 4 to reach by framework 50 other end sockets of this location group 5, thereby being beneficial to back vehicle frame 4 can avoid link span 2, back vehicle frame 4 to launch direct and location group 5 collisions in back in folded-out position against being supported on the bump rubber 502.

Claims

1. the convertible electric bicycle of an improvement, described electric bicycle (1) comprise link span (2), respectively be located at described link span (2) rear and front end front vehicle frame (3) and back vehicle frame (4), be hubbed on the location group (5) between described link span (2) and the described back vehicle frame (4) and pass and be arranged on the described joining rod (6) between the vehicle frame (4) afterwards; It is characterized in that:

Described link span (2) is adjacent to the downward fastening piece (212) that is provided with of front end (21) one side direction, on described fastening piece (212), be provided with fastening hole (211), in the peritreme of described fastening hole (211), can plant for the positioning tie bar (51) in the framework (50) that is arranged on the described location group (5) on the described joining rod (6); Again at the other end (501) the socket bump rubber (502) of the described framework (50) of described location group (5).

2. the convertible electric bicycle of improvement according to claim 1, it is characterized in that: the dual-side of described bump rubber (502) has two parallel card bodies (503), and described card body (503) can supply the other end (501) the socket location of the described framework (50) of described location group (5).