CN207360491U - The vehicle frame folding structure of electric bicycle - Google Patents

Abstract

The utility model belongs to vehicle technology field, more particularly to a kind of vehicle frame folding structure of electric bicycle.It solves the technical problem of the prior art.The vehicle frame folding structure of this electric bicycle, column including being equipped with steering handle, cushion bracket has been hinged with by the first bindiny mechanism in the middle part of the column, the bottom of the column is hinged by the second bindiny mechanism and fixing bracket, the one end of the fixing bracket away from steering handle is hinged with rear wheel support, and one end that the rear wheel support is connected with fixing bracket is equipped with rotation positioning device, supporting rod is connected with the middle part of the cushion bracket, the other end of the supporting rod is connected with rear wheel support and fixing bracket respectively by key seat, and between the key seat and fixing bracket be equipped with can be by supporting rod, rear wheel support and fixing bracket three are into line-locked locking mechanism.The utility model advantage is：Folding convenient, stable structure.

Description

The vehicle frame folding structure of electric bicycle

Technical field

The utility model belongs to vehicle technology field, more particularly to a kind of vehicle frame folding structure of electric bicycle.

Background technology

With the strengthening of people's awareness of environmental protection, people are higher and higher for the demand of electric car, in terms of key technology Break through after constantly being lifted with the performance of electric bicycle, allow electric bicycle to become the substitute products of motorcycle and bicycle, And its is quick, environmentally friendly, convenient and cheap, while also excite demand of the market for electric bicycle.In order to make electric car Carrying it is more convenient, then derived electric motor bicycle with folding, existing electric motor bicycle with folding volume is big, complicated, is folded over Journey is cumbersome, in the form of a single, and due to the presence of foldable structure, body frame structure for automotive is unstable when driving.Deposited to solve the prior art The problem of, people have carried out long-term exploration, it is proposed that miscellaneous solution.

For example, Chinese patent literature discloses a kind of double-pendulum arms suspension frame structure [application number of electric car： 201320071654.4], including upper swing arm and lower swing arm relatively setting up and down；One end of the upper swing arm and lower swing arm and electricity The vehicle frame of motor-car is vertically rotatablely connected, the commutation horizontal rotation connection of the other end and wheel of upper swing arm and lower swing arm；Also wrap Damper is included, the upper end of the damper and the vehicle frame of electric car connect, and the lower end of damper is connected with upper swing arm.

Above-mentioned scheme improves the subproblem of the prior art to a certain extent, and still, the program also at least exists Following defect：Folding process is cumbersome, structural strength is low, it is single to fold traveling.

The content of the invention

The purpose of this utility model is in view of the above-mentioned problems, providing a kind of vehicle frame folding structure.

To reach above-mentioned purpose, the utility model employs following technical proposal：The vehicle frame folding knot of this electric bicycle Structure, including it is equipped with the column of steering handle, it is characterised in that it has been hinged with the middle part of the column by the first bindiny mechanism Cushion bracket, the bottom of the column are hinged by the second bindiny mechanism and fixing bracket, and the fixing bracket is remote One end of steering handle is hinged with rear wheel support, and one end that the rear wheel support is connected with fixing bracket is equipped with after can making The rotation positioning device that wheel support is circumferentially rotated along fixing bracket, cushion bracket middle part are connected with supporting rod, Described supporting rod one end is hinged with cushion bracket, the other end of the supporting rod by key seat respectively with rear wheel support and solid Fixed rack is detachably connected, and is equipped with and can be propped up supporting rod, rear wheel support and fixation between the key seat and fixing bracket Frame three is into line-locked locking mechanism.By the way that locking mechanism is adjusted, separate key seat and fixing bracket, by supporting rod Turned down, then folded cushion bracket around the first bindiny mechanism, and detained with column towards cushion bracket afterbody Tightly；It is turned over downwards column by unclamping the second connection structure again, you can complete from ride mode to half folding for storing pattern, Car body directly can be placed on ground at this time to be slided；Finally, rear wheel support is turned down by rotation positioning device, i.e., Enterable full storage pattern, folded form is various, and locking knot is equipped between supporting rod, rear wheel support and fixing bracket three Structure, column and fixing bracket are equipped with the second connection that can fix both so that structural stability when driving is high.

In the vehicle frame folding structure of above-mentioned electric bicycle, the rotation positioning device includes being arranged on rear wheel support First positioning inclined-plane of both sides, the fixing bracket both sides, which are equipped with, to be engaged with the first positioning inclined-plane and realizes the second of positioning Inclined-plane is positioned, the described first positioning inclined-plane and the second positioning inclined-plane are revolved by being arranged on the hinged seat of rear wheel support two bottom sides Turn positioning.

In the vehicle frame folding structure of above-mentioned electric bicycle, hinged block is equipped with the middle part of the hinged seat, it is described Hinged block be connected with fixing bracket, and the hinged block and hinged seat are circumferentially flexibly connected.

In the vehicle frame folding structure of above-mentioned electric bicycle, the retaining mechanism includes being arranged on hinged block The first locking drawing pin of the first cotter way can be departed from first cotter way and after rear wheel support rotation, the hinged seat is equipped with The first positioning pin of pin axial lock can be drawn with the first locking, the second positioning pin and the 3rd are equipped with respectively on the key seat Positioning pin, second positioning pin are radially equipped with the second locking and draw pin, and the rear wheel support is equipped with for the second locking Draw and sell through and realize the top pressure seat of locking.

In the vehicle frame folding structure of above-mentioned electric bicycle, the top pressure seat includes being arranged on rear wheel support both sides Top pressure block, the first locked groove placed for the second positioning pin is offered on the top pressure block, and be equipped between two top pressure blocks For second locking draw pin through locking block body.

In the vehicle frame folding structure of above-mentioned electric bicycle, the fixing bracket is equipped with limited block, described The second locked groove is offered on limited block, the 3rd positioning pin is arranged in the second locked groove, and after supporting rod circumferentially rotates, Second positioning pin departs from the first locked groove, and the 3rd positioning pin departs from the second locked groove.

In the vehicle frame folding structure of above-mentioned electric bicycle, first bindiny mechanism includes being arranged on column Rotating seat, the cushion bracket is articulated with rotating seat, and has on the rotating seat and cushion bracket matching ends Guide groove.

In the vehicle frame folding structure of above-mentioned electric bicycle, it is provided with the cushion bracket and works as cushion bracket Can be with the clamping plate of the turning-bar phase clamping on steering handle when rotation is to steering handle level.

In the vehicle frame folding structure of above-mentioned electric bicycle, second bindiny mechanism includes turning for column lower end Dynamic seat, the steering handle are threaded through in rotation seat, and the rotation seat is hinged with the connecting seat being connected in fixing bracket, The fixing bracket is equipped with articulated body, and locating slot is offered on the articulated body.

In the vehicle frame folding structure of above-mentioned electric bicycle, the articulated body both sides are equipped with fixed seat, described Fixed seat and articulated body pin connection, and the locating slot is circumferentially positioned with rotation seat by pulling pin.

Compared with prior art, it is the advantages of the vehicle frame folding structure of this electric bicycle：Locking mechanism to go The structural strength of vehicle is high when sailing, and the second bindiny mechanism is can realizing steering handle with support bracket fastened fold, folding convenient, And folded form is various.

Brief description of the drawings

Fig. 1 is foldable structure schematic diagram provided by the utility model.

Fig. 2 is rear wheel support provided by the utility model and support bracket fastened structure diagram.

Fig. 3 is the structure diagram of transport condition provided by the utility model.

Fig. 4 is the structure diagram of half receiving state provided by the utility model.

Fig. 5 is the structure diagram of full receiving state provided by the utility model.

In figure, steering handle 1, column 2, cushion bracket 2a, the first bindiny mechanism 3, the second bindiny mechanism 4, fixing bracket 5th, rear wheel support 6, rotation positioning device 7, supporting rod 8, key seat 9, locking mechanism 10, first position inclined-plane 11, the second locating latch Face 12, hinged seat 13, the locking of hinged block 14, first draw pin 15, the second positioning pin 17, the locking of the 3rd positioning pin 18, second to draw pin 19th, top pressure seat 20, top pressure block 21, the first locked groove 22, limited block 23, rotating seat 24, guide groove 25, turning-bar 26, clamping plate 27, turn Dynamic seat 28, connecting seat 29, fixed seat 30, locating slot 31, articulated body 32.

Embodiment

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

As shown in Figs. 1-5, the vehicle frame folding structure of this electric bicycle, including the column 2 of steering handle 1 is equipped with, stand The middle part of column 2 is hinged with cushion bracket 2a by the first bindiny mechanism 3, and the bottom of column 2 passes through the second bindiny mechanism 4 and fixed branch Frame 5 is hinged, and the one end of fixing bracket 5 away from steering handle 1 is hinged with rear wheel support 6, and rear wheel support 6 and fixing bracket 5 Connected one end, which is equipped with, can make the rotation positioning device 7 that rear wheel support 6 is circumferentially rotated along fixing bracket 5, cushion bracket 2a Middle part is connected with supporting rod 8, and 8 one end of supporting rod is hinged with cushion bracket 2a, and the other end of supporting rod 8 is divided by key seat 9 Be not detachably connected with rear wheel support 6 and fixing bracket 5, and between key seat 9 and fixing bracket 5 be equipped with can by supporting rod 8, after Wheel support 6 and 5 three of fixing bracket are into line-locked locking mechanism 10.

In the present embodiment, by the way that retaining mechanism 10 is adjusted, separate key seat 9 and fixing bracket 5, by supporting rod 8 Turned down towards cushion bracket 2a afterbodys, then folded cushion bracket 2a around the first bindiny mechanism 3, and with column into Row fastening；It is turned over downwards column 2 by unclamping the second bindiny mechanism 4 again, you can to complete from ride mode to half storage pattern Folding, car body directly can be placed on ground at this time and be slided；Finally, to rear wheel support 6 by rotation positioning device 7 into Row fold, you can the full storage pattern of entrance, folded form is various, and supporting rod 8, rear wheel support 6 and 5 three of fixing bracket it Between be equipped with locking mechanism 10, column 2 and fixing bracket 5 are equipped with the second bindiny mechanism 4 that can fix both so that when driving Structural stability is high.

Further, the rotation positioning device 7 includes the first positioning inclined-plane 11 for being arranged on 6 both sides of rear wheel support, Gu 5 both sides of fixed rack, which are equipped with to match with the first positioning inclined-plane 11, merges the second positioning inclined-plane 12 for realizing positioning, the first positioning inclined-plane 11 and second positioning inclined-plane 12 by being arranged on 13 rotational positionings of hinged seat of 6 two bottom sides of rear wheel support, rotation positioning device 7 So that the connection positioning of rear wheel support 6 and fixing bracket 5 is more accurate.The middle part of hinged seat 13 is equipped with hinged block 14, hinged block 14 are connected with fixing bracket 5, and hinged block 14 and the circumferential flexible connection of hinged seat 13.

Specifically, and can be 6 turns in rear wheel support in the first cotter way that locking mechanism 10 includes being arranged on hinged block 14 Pin 15 is drawn in the first locking for departing from the first cotter way after dynamic, and hinged seat 13, which is equipped with, to draw 15 axial lock of pin with the first locking First positioning pin 16, is equipped with the second positioning pin 17 and the 3rd positioning pin 18 on key seat 9,17 radial direction of the second positioning pin is worn respectively Pin 19 is drawn equipped with the second locking, rear wheel support 6 is equipped with draws pin 19 to pass through and realize the top pressure seat 20 of locking for the second locking, OK When sailing, the locking of locking first draws the locking of pin 15 and second to draw pin 19, at this time can be by fixing bracket 5, rear wheel support 6 and supporting rod 8 threes are locked, and strengthen the structural strength of vehicle frame when driving；Top pressure seat 20 includes being arranged on the top of 6 both sides of rear wheel support Briquetting 21, the first locked groove 22 placed for the second positioning pin 17 is offered on top pressure block 21, and is equipped between two top pressure blocks 21 The locking block body passed through for the second locking drawing pin 19.

Fixing bracket 5 is equipped with limited block 23, and the second cotter way is offered on limited block 23, and the 3rd positioning pin 18 is arranged on In two cotter ways, and after supporting rod 8 circumferentially rotates, the second positioning pin 17 departs from the first locked groove 22, and the 3rd positioning pin 18 departs from the Two cotter ways.First bindiny mechanism 3 includes the rotating seat 24 being arranged on column 2, and cushion bracket 2a is articulated with rotating seat 24, and revolves There is guide groove 25 with cushion bracket 2a matching ends on swivel base 24, set guide groove 25 to allow cushion branch on rotating seat 24 Frame 2a is more smooth when folding.

Further, be provided with cushion bracket 2a and when cushion bracket 2a rotate to it is horizontal with steering handle 1 when energy Enough clamping plates 27 with the 26 phase clamping of turning-bar on steering handle 1, clamping plate 27 can allow cushion bracket 2a and turning-bar when folding 26 connection is more stablized.Second bindiny mechanism 4 includes the rotation seat 28 of 2 lower end of column, and steering handle 1 is threaded through rotation seat In 28, and the rotation seat 28 is hinged with the connecting seat 29 being connected in fixing bracket 5, and fixing bracket 5 is equipped with articulated body 32, Locating slot 31 is offered on articulated body 32.32 both sides of articulated body are equipped with fixed seat 30,32 pin connection of fixed seat 30 and articulated body, and Locating slot 31 is circumferentially positioned with rotation seat 28 by pulling pin, and is pulled pin by pull with regard to that can make column 2 and the activity of fixing bracket 5 or lock Only, folding is very convenient, and stability when improving driving between fixing bracket 5 and column 2 of pulling pin.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although steering handle 1, column 2, cushion bracket 2a, the connection of the first bindiny mechanism 3, second is used more herein Mechanism 4, fixing bracket 5, rear wheel support 6, rotation positioning device 7, supporting rod 8, key seat 9, locking mechanism 10, first position inclined-plane 11st, second positioning inclined-plane 12, hinged seat 13, hinged block 14, first locking draw pin 15, the second positioning pin 17, the 3rd positioning pin 18, Pin 19, top pressure seat 20, top pressure block 21, the first locked groove 22, limited block 23, rotating seat 24, guide groove 25, turning-bar are drawn in second locking 26th, the term such as clamping plate 27, rotation seat 28, connecting seat 29, fixed seat 30, locating slot 31, articulated body 32, but be not precluded from using it The possibility of its term.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It To be construed to any one of the additional limitations be all contrary to the spirit of the present invention.

Claims (10)

1. a kind of vehicle frame folding structure of electric bicycle, including it is equipped with the column (2) of steering handle (1), it is characterised in that Cushion bracket (2a) is hinged with by the first bindiny mechanism (3) in the middle part of the column (2), the bottom of the column (2) leads to Cross the second bindiny mechanism (4) and fixing bracket (5) is hinged, the one end of the fixing bracket (5) away from steering handle (1) is cut with scissors It is connected to rear wheel support (6), and one end for being connected with fixing bracket (5) of the rear wheel support (6) is equipped with can make rear wheel support (6) rotation positioning device (7) circumferentially rotated along fixing bracket (5), the cushion bracket (2a) middle part are connected with Supporting rod (8), the supporting rod (8) one end is hinged with cushion bracket (2a), and the other end of the supporting rod (8) passes through pin Seat (9) is detachably connected with rear wheel support (6) and fixing bracket (5) respectively, and the key seat (9) and fixing bracket (5) it Between be equipped with can be by supporting rod (8), rear wheel support (6) and fixing bracket (5) three into line-locked locking mechanism (10).

2. the vehicle frame folding structure of electric bicycle according to claim 1, it is characterised in that the rotation positioning device (7) the first positioning inclined-plane (11) for being arranged on rear wheel support (6) both sides is included, the fixing bracket (5) both sides are equipped with and the One positioning inclined-plane (11), which matches, merges the second positioning inclined-plane (12) for realizing positioning, the described first positioning inclined-plane (11) and second Positioning inclined-plane (12) is by being arranged on hinged seat (13) rotational positioning of rear wheel support (6) two bottom sides.

3. the vehicle frame folding structure of electric bicycle according to claim 2, it is characterised in that the hinged seat (13) Middle part is equipped with hinged block (14), and the hinged block (14) is connected with fixing bracket (5), and the hinged block (14) and hinge Joint chair (13) is circumferentially flexibly connected.

4. the vehicle frame folding structure of electric bicycle according to claim 3, it is characterised in that the locking mechanism (10) in the first cotter way for including being arranged on hinged block (14) and the first cotter way can be departed from after rear wheel support (6) rotation First locking, which is drawn, sells (15), and the hinged seat (13), which is equipped with, to draw the first of pin (15) axial lock to determine with the first locking (16) are sold in position, are equipped with the second positioning pin (17) and the 3rd positioning pin (18) on the key seat (9) respectively, and described second is fixed Position pin (17) is radially equipped with the second locking and draws pin (19), and the rear wheel support (6) is equipped with draws pin (19) for the second locking Pass through and realize the top pressure seat (20) of locking.

5. the vehicle frame folding structure of electric bicycle according to claim 4, it is characterised in that the top pressure seat (20) Top pressure block (21) including being arranged on rear wheel support (6) both sides, offers for the second positioning pin on the top pressure block (21) (17) the first locked groove (22) placed, and the locking gear for drawing pin (19) to pass through for the second locking is equipped between two top pressure blocks (21) Body.

6. the vehicle frame folding structure of electric bicycle according to claim 5, it is characterised in that the fixing bracket (5) limited block (23) is equipped with, the second cotter way is offered on the limited block (23), the 3rd positioning pin (18) is set In the second cotter way, and after supporting rod (8) circumferentially rotates, the second positioning pin (17) departs from the first locked groove (22), and described the Three positioning pins (18) depart from the second cotter way.

7. the vehicle frame folding structure of electric bicycle according to claim 1, it is characterised in that the first connection machine Structure (3) includes the rotating seat (24) being arranged on column (2), and the cushion bracket (2a) is articulated with rotating seat (24), and institute There is the guide groove (25) with cushion bracket (2a) matching ends on the rotating seat (24) stated.

8. the vehicle frame folding structure of electric bicycle according to claim 7, it is characterised in that the cushion bracket Be provided with (2a) and when cushion bracket (2a) rotation to it is horizontal with steering handle (1) when can be with turning on steering handle (1) To the clamping plate (27) of bar (26) phase clamping.

9. the vehicle frame folding structure of electric bicycle according to claim 1, it is characterised in that the second connection machine Structure (4) includes the rotation seat (28) of column (2) lower end, and the steering handle (1) is threaded through in rotation seat (28), and described turn Dynamic seat (28) and the connecting seat (29) being connected in fixing bracket (5) are hinged, and the fixing bracket (5) is equipped with articulated body (32), locating slot (31) is offered on the articulated body (32).

10. the vehicle frame folding structure of electric bicycle according to claim 4, it is characterised in that the articulated body (32) both sides are equipped with fixed seat (30), the fixed seat (30) and articulated body (32) pin connection, and the locating slot (31) It is circumferentially positioned with rotation seat (28) by pulling pin.