CN205837072U - A kind of truss type frame of electric bicycle - Google Patents

A kind of truss type frame of electric bicycle Download PDF

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Publication number
CN205837072U
CN205837072U CN201620592655.7U CN201620592655U CN205837072U CN 205837072 U CN205837072 U CN 205837072U CN 201620592655 U CN201620592655 U CN 201620592655U CN 205837072 U CN205837072 U CN 205837072U
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CN
China
Prior art keywords
electric bicycle
extension
crossbeam
cross beam
middle cross
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Withdrawn - After Issue
Application number
CN201620592655.7U
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Chinese (zh)
Inventor
李昊东
胡依林
何卫华
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Jiangsu Xiaoniu Electric Technology Co Ltd
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Jiangsu Xiaoniu Electric Technology Co Ltd
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Priority to CN201620592655.7U priority Critical patent/CN205837072U/en
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Publication of CN205837072U publication Critical patent/CN205837072U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The truss type frame of a kind of electric bicycle, including front longitudinal, middle cross beam, left side beams, right side crossbeam and rear portion tie-beam.The lower end of front longitudinal is connected with middle cross beam, and front longitudinal and middle cross beam are positioned on the vehicle body axis of electric bicycle.The main body of cross-beam of left side beams and right side crossbeam is positioned at middle cross beam both sides, and front end is connected respectively to the side, middle and upper part of front longitudinal, and tail end closes by connecting Semicircular rear portion tie-beam.Truss type frame of the present utility model has drawn cradle-type and the advantage of bending beam type body frame structure for automotive, it is ensured that the intensity of vehicle frame, simplifies the design of connected shock-damping structure, material saving cost, meets the force requirements of electric bicycle.

Description

A kind of truss type frame of electric bicycle
Technical field
This utility model relates to a kind of electric bicycle fame, is specifically related to the truss type frame of a kind of electric bicycle.
Background technology
At present, people more and more use electric bicycle in short distance traffic, and it has energy-conservation, just compared to automobile Feature prompt, that do not block up, has speed advantage compared with bicycle, time saving and energy saving, is increasingly becoming the master in people's daily life Want walking-replacing tool.Thus, safety and the comfortableness of electric bicycle are had higher requirement by people.Electricity in prior art Dynamic bicycle be mainly designed to reference to, combine what the structure of Bicycles and Motorcycles was carried out, the most tangible bicycle having Install power set on structural framing additional, or be adapted as motorized motions under the structural framing of motorcycle.
The Vehicle Frame Design of electric bicycle to keeping the good dynamic property of vehicle to be responsible for key player, existing the most electronic from Driving vehicle frame be generally bicycle use independent camber-beam frame, or motorcycle use cradle-type frame, due to electronic from The weight ratio car weight voluntarily of driving, lighter than motorcycle, so camber-beam frame can not be suitable for the fast running of electric bicycle, and shake The shock mitigation system that basket vehicle frame is equipped with shows again unnecessary to electric bicycle.Accordingly, it would be desirable to according to self spy of electric bicycle Point is designed, and obtains reasonable in design, lightweight, the body frame structure for automotive of good stability.
Utility model content
In order to solve above-mentioned technical problem, the utility model proposes a kind of truss type frame for electric bicycle, Including: front longitudinal, middle cross beam, left side beams, right side crossbeam and rear portion tie-beam,
Front longitudinal front end forwards tilts, and in vertical direction with 21.8 ± 0.5 ° of angles, top connects electric bicycle Handlebar axle sleeve, the lower end of front longitudinal is connected with middle cross beam, and front longitudinal and middle cross beam are positioned on the vehicle body axis of electric bicycle;
Middle cross beam includes horizontal segment part, linkage section part and extension, horizontal segment part and electric bicycle vehicle body Pedal is corresponding, and linkage section part is stretched out obliquely upward from horizontal segment part front end, is connected to the lower end of front longitudinal, extension from Horizontal segment portion rear end extends obliquely upward, with generally 35 ° angles of horizontal direction;
The main body of cross-beam of left side beams and right side crossbeam is positioned at middle cross beam both sides, has identical structure, is symmetrical arranged, and It is adapted to half body width and the middle cross beam interval of electric bicycle, during left side beams and right side crossbeam in the vertical direction are positioned at Above crossbeam;
Left side beams, right side crossbeam include that approximate horizontal section of part, coupling part, the first extension and second prolong respectively Extending portion is divided, and left side beams, the horizontal segment part of right side crossbeam are correspondingly arranged at the oblique upper of the horizontal segment part of middle cross beam;Left side Crossbeam, the horizontal segment part front end of right side crossbeam are connected respectively to the one end of coupling part tilted along front longitudinal, left side beams, The other end of crossbeam coupling part, right side slightly in back-flexing, is connected respectively to the side, middle and upper part of front longitudinal towards front longitudinal; Left side beams, the horizontal segment portion rear end of right side crossbeam are linked in sequence the most acclivitous first extension and second respectively Extension;Tail end at left side beams, the second extension of right side crossbeam enters by connecting Semicircular rear portion tie-beam Row Guan Bi.
Preferably, the second extension at left side beams, right side crossbeam be connected to the first extension leading section it Between, it is horizontally connected with rear arm tie-beam.
Preferably, the horizontal segment part of middle cross beam and left side beams, right side crossbeam approximate horizontal section of part between, logical Cross first to fix beam and connect fixing;The extension of middle cross beam and left side beams, right side crossbeam the first extension between, Fix beam by second and connect fixing;Front longitudinal and left side beams, right side crossbeam coupling part between pass through perforated bolt It is adjusted fixing.
Preferably, the first extension and generally 22.8 ° angles of horizontal direction of left side beams, right side crossbeam.
Preferably, the second extension and generally 35.5 ° angles of horizontal direction of left side beams, right side crossbeam.
Preferably, also there is seat-box support.
Preferably, described seat-box support includes fore-stock, after-poppet, front and back support drawing piece and rear support strut, fore-stock Including two pillars and fore-stock connector, inverted V-shaped is arranged on rear arm tie-beam, is generally perpendicular to left side beams, right side Second extension of crossbeam, two pillars are connected by fore-stock connector bottom inverted V-shaped;After-poppet includes that two L-shaped are propped up Post and after-poppet connector, two L-shaped pillars be arranged in parallel, one end be connected respectively to left side beams, the second of right side crossbeam The middle part of extension, the other end of two L-shaped pillars is connected by after-poppet connector, and after-poppet connector passes through rear support strut It is supported on the tie-beam of rear portion.
Preferably, on electric bicycle axis cross section, fore-stock is that inverted V-shaped sets with longitudinal column of the after-poppet of L-shaped Putting, the top of fore-stock is positioned on the horizontal extension line of the transverse post of the after-poppet of L-shaped.
Preferably, the handlebar axle sleeve of electric bicycle is in vertical direction with 25 ° of angles.
Preferably, the horizontal segment part of middle cross beam is provided with the connection member that the one end with spring damper is connected.
Truss type frame of the present utility model has drawn cradle-type and the advantage of bending beam type body frame structure for automotive, and is improved, Proposing the truss type frame that cradle-type and bending beam type vehicle frame combine, this body frame structure for automotive have passed through strict stress test, and really Protect the intensity of vehicle frame, simplified the design of connected shock-damping structure, material saving cost, meet the power of electric bicycle Amount requirement.
Accompanying drawing explanation
Fig. 1 is the front view of electric bicycle fame of the present utility model.
Fig. 2 is the three-dimensional view of electric bicycle fame of the present utility model.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and Referring to the drawings, this utility model is further described.But those skilled in the art know, this utility model is not limited to Accompanying drawing and following example.
As shown in Figure 1, 2, the truss type frame of a kind of electric bicycle of the present utility model includes front longitudinal 1, middle cross beam 2, left side beams 3, right side crossbeam 4, rear portion tie-beam 5 and rear arm tie-beam 6.
Front longitudinal 1 is in vertical direction with 21.8 ± 0.5 ° of angles, and top connects the handlebar axle sleeve 7 of electric bicycle, electronic The handlebar axle sleeve 7 of bicycle is connected with middle cross beam 2 in vertical direction with 25 ° of angles, the lower end of front longitudinal 1, front longitudinal 1 and middle horizontal stroke Beam 2 is positioned on the vehicle body axis of electric bicycle.
Middle cross beam 2 includes horizontal segment part 201, linkage section part 202 and extension 203.Horizontal segment part 201 be with The parts that electric bicycle vehicle body pedal is corresponding, horizontal segment part 201 is provided with the connection that the one end with spring damper is connected Parts 2011;Linkage section part 202 is stretched out obliquely upward from horizontal segment part 201 front end, is connected to the lower end of front longitudinal 1.Prolong Extending portion divides 203 to extend obliquely upward from horizontal segment part 201 rear end, with generally 35 ° angles of horizontal direction.
The main body of cross-beam of left side beams 3 and right side crossbeam 4 is positioned at middle cross beam 2 both sides, has identical structure, and symmetry sets Putting, and be adapted to half body width of electric bicycle and middle cross beam 2 is spaced, left side beams 3 and right side crossbeam 4 are at vertical direction On be positioned at above middle cross beam 2.
Left side beams 3, right side crossbeam 4 include respectively approximate horizontal section of part 301,401, coupling part 302,402, first The 303,403 and second extension, extension 304,404.Left side beams 3, right side crossbeam 4 horizontal segment part 301,401 right The oblique upper of the horizontal segment part 201 of middle cross beam 2 should be arranged on;Left side beams 3, the horizontal segment part 301,401 of right side crossbeam 4 Front end is connected respectively to the one end of the coupling part 302,402 tilted along front longitudinal 1, left side beams 3, right side crossbeam 4 connecting portion The other end of points 302,402 slightly in back-flexing, is connected respectively to the side, middle and upper part of front longitudinal 11 towards front longitudinal 1;Left side Crossbeam 3, horizontal segment part 301,401 rear end of right side crossbeam 4 are linked in sequence the most acclivitous first extension respectively 303,403 and second extension 304,404;Left side beams 3, the first extension 303,403 of right side crossbeam 4 and level side To generally 22.8 ° of angles, left side beams 3, the second extension 304,404 of right side crossbeam 4 and horizontal direction are generally 35.5 ° angle;Left side beams 3, the second extension 304,404 of right side crossbeam 4 tail end by connect Semicircular after Portion's tie-beam 5 closes, thus is formed cradle body framework by left side beams 3, right side crossbeam 4 and rear portion tie-beam 5.
It is connected to the first extension 303,403 in the second extension 304,404 of left side beams 3, right side crossbeam 4 Between leading section, it is horizontally connected with rear arm tie-beam 6, is used for connecting electric bicycle rear arm.
In order to ensure the cradle body framework that formed by left side beams 3, right side crossbeam 4 and rear portion tie-beam 5 and front longitudinal 1 and Relative stability between middle cross beam 2, at horizontal segment part 201 and left side beams 3, the substantially water of right side crossbeam 4 of middle cross beam 2 Between flat section part 301,401, fix beam 8 by first and connect fixing;Extension 203 and left side beams at middle cross beam 2 3, between the first extension 303,403 of right side crossbeam 4, fix beam 9 by second and connect fixing;In front longitudinal 1 and left side Crossbeam 3, right side crossbeam 4 coupling part 302,402 between be adjusted fixing by perforated bolt 10.
Additionally, the truss type frame of electric bicycle of the present utility model also has seat-box support 11, seat-box support 11 wraps Include fore-stock 1101, after-poppet 1102, front and back support drawing piece 1103 and rear support strut 1104.Fore-stock 1101 includes two Post and fore-stock connector, inverted V-shaped is arranged on rear arm tie-beam 6, be generally perpendicular to left side beams 3, the of right side crossbeam 4 Two extensions 304,404, two pillars are connected by fore-stock connector bottom inverted V-shaped.After-poppet 1102 includes two L-shaped Pillar and after-poppet connector, two L-shaped pillars be arranged in parallel, and one end is connected respectively at left side beams 3, right side crossbeam 4 The middle part of the second extension 304,404, the other end of two L-shaped pillars is connected by after-poppet connector, after-poppet connector It is supported on rear portion tie-beam 5 by rear support strut 1104.On electric bicycle axis cross section, fore-stock 1101 and L-shaped Longitudinal column of after-poppet 1102 is that inverted V-shaped is arranged, and the top of fore-stock 1101 is positioned at the transverse post of the after-poppet 1102 of L-shaped On horizontal extension line, thus ensure that the upper surface of seat-box support 11 is general horizontal plane.
Above, embodiment of the present utility model is illustrated.But, this utility model is not limited to above-mentioned enforcement Mode.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, should be included in Within protection domain of the present utility model.

Claims (10)

1. the truss type frame of an electric bicycle, it is characterised in that: include front longitudinal, middle cross beam, left side beams, right side horizontal stroke Beam and rear portion tie-beam,
Front longitudinal front end forwards tilts, and in vertical direction with 21.8 ± 0.5 ° of angles, top connects the handlebar of electric bicycle Axle sleeve, the lower end of front longitudinal is connected with middle cross beam, and front longitudinal and middle cross beam are positioned on the vehicle body axis of electric bicycle;
Middle cross beam includes horizontal segment part, linkage section part and extension, horizontal segment part and electric bicycle vehicle body pedal Correspondence, linkage section part stretches out obliquely upward from horizontal segment part front end, is connected to the lower end of front longitudinal, and extension is from level Section portion rear end extends, obliquely upward with generally 35 ° angles of horizontal direction;
The main body of cross-beam of left side beams and right side crossbeam is positioned at middle cross beam both sides, has identical structure, is symmetrical arranged, and adapts to In half body width and the middle cross beam interval of electric bicycle, left side beams and right side crossbeam in the vertical direction are positioned at middle cross beam Top;
Left side beams, right side crossbeam include approximate horizontal section of part, coupling part, the first extension and the second extension respectively Point, left side beams, the horizontal segment part of right side crossbeam are correspondingly arranged at the oblique upper of the horizontal segment part of middle cross beam;Left side is horizontal Beam, the horizontal segment part front end of right side crossbeam are connected respectively to the one end of the coupling part tilted along front longitudinal, left side beams, the right side The other end of crossbeam coupling part, side slightly in back-flexing, is connected respectively to the side, middle and upper part of front longitudinal towards front longitudinal;Left Side crossbeam, the horizontal segment portion rear end of right side crossbeam the most acclivitous first extension and second that is linked in sequence respectively is prolonged Extending portion is divided;Tail end at left side beams, the second extension of right side crossbeam is carried out by connecting Semicircular rear portion tie-beam Guan Bi.
2. the truss type frame of electric bicycle as claimed in claim 1, it is characterised in that: at left side beams, right side crossbeam The second extension be connected between the leading section of the first extension, be horizontally connected with rear arm tie-beam.
3. the truss type frame of electric bicycle as claimed in claim 1 or 2, it is characterised in that: at the horizontal segment of middle cross beam Part and left side beams, right side crossbeam approximate horizontal section of part between, fix beam by first and connect fixing;At middle cross beam Extension and left side beams, right side crossbeam the first extension between, fix beam by second and connect fixing;At front longitudinal And it is adjusted fixing by perforated bolt between the coupling part of left side beams, right side crossbeam.
4. the truss type frame of electric bicycle as claimed in claim 1, it is characterised in that: left side beams, right side crossbeam First extension and generally 22.8 ° angles of horizontal direction.
5. the truss type frame of the electric bicycle as described in claim 1 or 4, it is characterised in that: left side beams, right side crossbeam The second extension and generally 35.5 ° angles of horizontal direction.
6. the truss type frame of electric bicycle as claimed in claim 1 or 2, it is characterised in that: also there is seat-box support.
7. the truss type frame of electric bicycle as claimed in claim 6, it is characterised in that: described seat-box support props up before including Frame, after-poppet, front and back support drawing piece and rear support strut,
Fore-stock includes two pillars and fore-stock connector, and inverted V-shaped is arranged on rear arm tie-beam, is generally perpendicular to left side Crossbeam, the second extension of right side crossbeam, two pillars are connected by fore-stock connector bottom inverted V-shaped;
After-poppet includes that two L-shaped pillars and after-poppet connector, two L-shaped pillars be arranged in parallel, and one end is connected respectively to Left side beams, the middle part of the second extension of right side crossbeam, the other end of two L-shaped pillars is connected by after-poppet connector, After-poppet connector is supported on the tie-beam of rear portion by rear support strut.
8. the truss type frame of electric bicycle as claimed in claim 7, it is characterised in that: in electric bicycle axis cross section On, fore-stock is that inverted V-shaped is arranged with longitudinal column of the after-poppet of L-shaped, and the top of fore-stock is positioned at the horizontal of the after-poppet of L-shaped On the horizontal extension line of post.
9. the truss type frame of electric bicycle as claimed in claim 1, it is characterised in that: the handlebar axle sleeve of electric bicycle In vertical direction with 25 ° of angles.
10. the truss type frame of electric bicycle as claimed in claim 1, it is characterised in that: the horizontal segment part of middle cross beam It is provided with the connection member that the one end with spring damper is connected.
CN201620592655.7U 2016-06-16 2016-06-16 A kind of truss type frame of electric bicycle Withdrawn - After Issue CN205837072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620592655.7U CN205837072U (en) 2016-06-16 2016-06-16 A kind of truss type frame of electric bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620592655.7U CN205837072U (en) 2016-06-16 2016-06-16 A kind of truss type frame of electric bicycle

Publications (1)

Publication Number Publication Date
CN205837072U true CN205837072U (en) 2016-12-28

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105923089A (en) * 2016-06-16 2016-09-07 江苏小牛电动科技有限公司 Truss type bicycle frame for electric bicycle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105923089A (en) * 2016-06-16 2016-09-07 江苏小牛电动科技有限公司 Truss type bicycle frame for electric bicycle
CN105923089B (en) * 2016-06-16 2018-11-23 江苏小牛电动科技有限公司 A kind of truss type frame of electric bicycle

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20161228

Effective date of abandoning: 20181123

AV01 Patent right actively abandoned