CN112429142B - Carbon fiber electric shock absorber vehicle frame - Google Patents
Carbon fiber electric shock absorber vehicle frame Download PDFInfo
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- CN112429142B CN112429142B CN202011201599.7A CN202011201599A CN112429142B CN 112429142 B CN112429142 B CN 112429142B CN 202011201599 A CN202011201599 A CN 202011201599A CN 112429142 B CN112429142 B CN 112429142B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
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Abstract
The invention discloses a carbon fiber electric shock absorber frame which comprises a carbon fiber front tripod, wherein the carbon fiber front tripod comprises a lower pipe, an upper pipe and a seat pipe, the front end of the lower pipe extends upwards in an inclined manner and is fixedly connected with the front end of the upper pipe, the top end of the seat pipe is fixedly connected with the rear end of the upper pipe, and the bottom end of the seat pipe is fixedly connected with the rear end of the lower pipe; the upper part of the seat tube is provided with an integrally formed and raised upper carbon fiber shock-absorbing rotating shaft sleeve, and the lower part of the seat tube is provided with an integrally formed and raised lower carbon fiber shock-absorbing rotating shaft sleeve. The invention has reasonable structural design, and can fully utilize the characteristics of high fatigue strength and elastic deformation of the carbon fiber while having high strength by the convex design of the upper carbon fiber shock-absorbing rotating shaft sleeve and the lower carbon fiber shock-absorbing rotating shaft sleeve, thereby providing the shock-absorbing effect.
Description
Technical Field
The invention relates to the technical field of carbon fiber electric vehicle frames, in particular to a carbon fiber electric shock absorber vehicle frame.
Background
Description of the background Art: most popular in the market at present are carbon fiber shock-proof bicycles combined by carbon fiber frames or common electric vehicles combined by carbon fiber frames.
Although fashionable, practical and novel carbon fibers are widely applied to the market at present as main materials for manufacturing the carbon fiber bicycle frame and the common carbon fiber electric bicycle, the carbon fibers are difficult to be perfectly comprehensively applied to a combination body of the shock-proof carbon fiber electric shock-proof bicycle, which combines dual functions of the shock-proof bicycle and the electric bicycle into a whole, as the main materials are affected and limited by multiple technical factors, manufacturing conditions and the like of audiences.
The electric bicycle is required to have heavy weight and high speed, and the technical difficulty that the carbon fiber bicycle and the carbon fiber electric bicycle are combined into a high-performance carbon fiber electric shock-absorbing bicycle is to meet the corresponding technical requirements in various aspects such as the integral strength, light weight, comfortable shock-absorbing effect, stable and reliable connection mode and the like required by the carbon fiber electric shock-absorbing bicycle frame, for example, the integrated carbon fiber sports bicycle full shock-absorbing frame with the publication number of CN109895917A is additionally provided with a hydraulic buffer, a pneumatic buffer or a spring buffer to realize the shock-absorbing effect, and the advantage of light weight of the carbon fiber frame is greatly weakened due to the heavy weight of the buffer.
In addition, because the strength problem that carbon fibers are used for the shock-absorbing rotating shaft sleeve cannot be solved, the existing carbon fiber frame is mostly solved by embedding an aluminum part rotating shaft sleeve on the carbon fiber frame, and the following problems exist:
(1) In the connection mode, because the split aluminum parts are glued and the split carbon parts are glued, the problems of gluing, operation technical details and the like can cause the differences of various sizes, heights, lengths and depths, and the shock absorption performance and the comfort of the vehicle are greatly reduced.
(2) Because the split aluminum piece or the split carbon piece is used for gluing the position of the shock-proof rotating shaft sleeve, under the influence of factors such as gluing and bonding operation details, proficiency, materials, operation environment, conditions and the like, the situation that cracks, looseness, even the whole body of the aluminum piece rotating shaft sleeve falls off and the like often occurs at the joint of the gluing and bonding aluminum piece rotating shaft sleeve and the carbon fiber frame, and the safe use risk of the vehicle is increased.
Disclosure of Invention
The invention aims to provide a carbon fiber electric shock-proof frame of a vehicle, which aims to solve the technical problem that a carbon fiber front tripod of the conventional carbon fiber electric vehicle frame is poor in shock-proof performance.
In order to achieve the purpose, the technical scheme of the invention provides a carbon fiber electric shock absorber frame, which comprises a carbon fiber front tripod, wherein the carbon fiber front tripod comprises a lower pipe, an upper pipe and a seat pipe, the front end of the lower pipe extends upwards in an inclined manner and is fixedly connected with the front end of the upper pipe, the top end of the seat pipe is fixedly connected with the rear end of the upper pipe, and the bottom end of the seat pipe is fixedly connected with the rear end of the lower pipe; the upper part of the seat tube is provided with an integrally formed and raised upper carbon fiber shock-absorbing rotating shaft sleeve, and the lower part of the seat tube is provided with an integrally formed and raised lower carbon fiber shock-absorbing rotating shaft sleeve;
the protruding directions of the upper carbon fiber shock-proof rotating shaft sleeve and the lower carbon fiber shock-proof rotating shaft sleeve are front or rear, and the protruding directions of the upper carbon fiber shock-proof rotating shaft sleeve and the lower carbon fiber shock-proof rotating shaft sleeve are opposite;
when the electric shock-absorbing vehicle provided with the carbon fiber electric shock-absorbing vehicle frame is erected on a plane, the gravity center vertical projection lines of the upper carbon fiber shock-absorbing rotating shaft sleeve and the lower carbon fiber shock-absorbing rotating shaft sleeve are both positioned on the seat tube;
when the electric shock-absorbing vehicle provided with the carbon fiber electric shock-absorbing vehicle frame is positioned on a set inclined plane and the inclined plane reaches a certain angle, one of gravity center vertical projection lines of the upper carbon fiber shock-absorbing rotating shaft sleeve and the lower carbon fiber shock-absorbing rotating shaft sleeve is positioned on the seat tube, and the other gravity center vertical projection line is positioned outside the seat tube;
the upper carbon fiber shock-absorbing rotating shaft sleeve is arranged in the front, and is positioned on the front side wall of the seat tube in the carbon fiber front tripod; the protruding direction of the lower carbon fiber shock-proof rotating shaft sleeve is the rear direction;
the bottom end of the seat tube is fixedly connected with the side wall of the rear end of the lower tube, a hidden battery placing groove extending along the direction of the lower tube is arranged in the lower tube, a placing groove opening is formed in the rear end face of the lower tube of the hidden battery placing groove, and the placing groove opening is used for allowing a battery to enter and exit the hidden battery placing groove;
a carbon fiber rear upper fork and a carbon fiber rear lower fork are arranged behind the carbon fiber front tripod, the front end of the carbon fiber rear upper fork is in rotating fit with the upper carbon fiber shock-absorbing rotating shaft sleeve through a bearing, and the front end of the carbon fiber rear lower fork is in rotating fit with the lower carbon fiber shock-absorbing rotating shaft sleeve through a bearing; the rear end of the carbon fiber rear upper fork and the rear end of the carbon fiber rear lower fork are fixedly connected.
Furthermore, the wall thickness of the upper carbon fiber shock-absorbing rotary shaft sleeve is 9.5 mm-10.5 mm, and the wall thickness of the lower carbon fiber shock-absorbing rotary shaft sleeve is 5.5 mm-6.5 mm.
Further, the inner diameter of the upper carbon fiber shock-absorbing rotary shaft sleeve is 14 mm-16 mm, and the inner diameter of the lower carbon fiber shock-absorbing rotary shaft sleeve is 27 mm-29 mm.
Furthermore, the thickness between the two end surfaces of the upper carbon fiber shock-absorbing rotating shaft sleeve is 489 mm-491 mm, and the thickness between the two end surfaces of the lower carbon fiber shock-absorbing rotating shaft sleeve is 599 mm-601 mm.
Further, the upper carbon fiber shock-absorbing rotating shaft sleeve comprises a plurality of layers of carbon fiber cloth, the carbon fiber modulus of the plurality of layers of carbon fiber cloth of the upper carbon fiber shock-absorbing rotating shaft sleeve is 24T, the FAW (g/square meter) content is respectively C75, C100, C150 and C200, and the material angles are respectively 0 degrees, 30 degrees, 45 degrees, 0 degrees and +90 degrees.
Further, the lower carbon fiber shock-absorbing rotary shaft sleeve comprises a plurality of layers of carbon fiber cloth, the carbon fiber modulus of the plurality of layers of carbon fiber cloth of the lower carbon fiber shock-absorbing rotary shaft sleeve is 24T, the FAW (g/square meter) content is respectively C75, C100, C150 and C200, and the material angles are respectively 0 degrees, 30 degrees, 45 degrees and 0 degree +90 degrees.
In summary, the technical scheme of the invention has the following beneficial effects:
(1) Through the protruding design of last carbon fiber pivot cover of moving away to avoid possible earthquakes and lower carbon fiber pivot cover of moving away to avoid possible earthquakes, when can make full use of carbon fiber possesses the high strength, still possess fatigue strength height, can take place elastic deformation's characteristic, provide the effect of moving away to avoid possible earthquakes.
(2) Through the design that the protruding opposite direction of last carbon fiber shockproof pivot cover and lower carbon fiber shockproof pivot cover, can let the protruding bearing of carbon fiber shockproof pivot cover more reasonable, specifically be when carbon fiber electric shockproof car frame leans forward or hypsokinesis angle is great, when a protruding bearing increases, and a protruding focus vertical projection line shifts to the frame on, increases the support intensity.
Drawings
FIG. 1 is a schematic perspective view of a carbon fiber front tripod of a carbon fiber electric shock absorber frame according to the present invention;
FIG. 2 is a schematic perspective view of a carbon fiber front triangular frame of the carbon fiber electric shock absorber frame of the present invention when the front triangular frame is erected on a plane;
FIG. 3 is a schematic perspective view of a carbon fiber front tripod of the carbon fiber electric shock absorber frame of the present invention when the carbon fiber front tripod is in a downhill slope;
FIG. 4 is a schematic perspective view of a carbon fiber front tripod of the carbon fiber electric shock absorber frame of the present invention when the carbon fiber front tripod is in an uphill slope;
FIG. 5 is a schematic perspective view of a carbon fiber rear upper fork of the carbon fiber electric shock absorber frame according to the present invention;
FIG. 6 is a schematic perspective view of a carbon fiber rear bottom fork of the carbon fiber electric shock absorber frame according to the present invention;
FIG. 7 is a schematic perspective view of a frame of the carbon fiber electric shock absorber of the present invention;
description of reference numerals: 1-lower tube; 2, feeding a pipe; 3-a seat tube; 4-mounting a carbon fiber shock-proof rotating shaft sleeve; 5-lower carbon fiber shock-proof rotating shaft sleeve; 6-placing the groove opening; 7-upper left rod; 8-upper right bar; 9-a first connection; 10-left lower bar; 11-right lower bar; 12-second connection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but the technical solutions in the embodiments of the present invention are not limited to the scope of the present invention.
In the present invention, for a clearer description, the following explanation is made: it should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "upper part", "lower part", and the like in the text indicate the orientation or positional relationship based on the orientation or positional relationship set on the drawings, and are only for the convenience of clearly describing the present invention, but do not indicate or imply that the structure or component referred to must have a specific orientation, be configured in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used merely for purposes of clarity or simplicity of description and are not intended to indicate or imply relative importance or quantity.
Referring to fig. 1, the embodiment provides a carbon fiber electric shock absorber frame, which includes a carbon fiber front tripod, the carbon fiber front tripod includes a lower tube 1, an upper tube 2 and a seat tube 3, a front end of the lower tube 1 extends upward in an inclined manner and is connected and fixed with a front end of the upper tube 2, a top end of the seat tube 3 is connected and fixed with a rear end of the upper tube 2, and a bottom end of the seat tube 3 is connected and fixed with a rear end of the lower tube 1; the upper part of the seat tube 3 is provided with an integrally formed and convex upper carbon fiber shock-proof rotating shaft sleeve 4, and the lower part of the seat tube 3 is provided with an integrally formed and convex lower carbon fiber shock-proof rotating shaft sleeve 5.
The beneficial effects of the above technical scheme are that: through the protruding design of last carbon fiber pivot cover of moving away to avoid possible earthquakes and lower carbon fiber pivot cover of moving away to avoid possible earthquakes, when can make full use of carbon fiber possesses the high strength, still possess fatigue strength height, can take place elastic deformation's characteristic, provide the effect of moving away to avoid possible earthquakes.
Specifically, the protrusion direction of the upper carbon fiber shock-absorbing rotary shaft sleeve 4 and the lower carbon fiber shock-absorbing rotary shaft sleeve 5 is forward or backward, and the protrusion direction of the upper carbon fiber shock-absorbing rotary shaft sleeve 4 is opposite to that of the lower carbon fiber shock-absorbing rotary shaft sleeve 5.
The beneficial effects of the above technical scheme are that: through the design that the protruding opposite direction of last carbon fiber shockproof pivot cover and lower carbon fiber shockproof pivot cover, can let the protruding bearing of carbon fiber shockproof pivot cover more reasonable, specifically be for when carbon fiber electric shock absorber car frame leans forward or hypsokinesis angle is great, when protruding bearing increases in a department, and a protruding focus vertical projection line shifts to on the frame, increases the support intensity.
Specifically, referring to fig. 2, when the electric shock-absorbing vehicle equipped with the carbon fiber electric shock-absorbing vehicle frame stands on a plane, the vertical projection line of the center of gravity of the upper carbon fiber shock-absorbing rotary shaft sleeve 4 and the lower carbon fiber shock-absorbing rotary shaft sleeve 5 is located on the seat tube 3. Wherein fig. 2 only shows the stress state of the carbon fiber front tripod part when the electric shock-absorbing vehicle is standing on a plane, and the central line in fig. 2 represents the vertical projection line of the gravity center.
The beneficial effects of the above technical scheme are that: can so make when electronic car of moving away to avoid possible earthquakes rides on plane or level land, conduct seat pipe 3 with more ground pressure on to reduce to last carbon fiber pivot cover 4 of moving away to avoid possible earthquakes and the pressure that 5 produced of lower carbon fiber pivot covers of moving away to avoid possible earthquakes, thereby reduce to last carbon fiber pivot cover 4 of moving away to avoid possible earthquakes and the damage of lower carbon fiber pivot cover 5 of moving away to avoid possible earthquakes, improve the adaptability of electronic car to the effort intensity that the in-process produced of riding, improve life.
Specifically, referring to fig. 3 and 4, when the electric shock-absorbing vehicle equipped with the carbon fiber electric shock-absorbing vehicle frame is at a set inclined plane, and the inclined plane reaches a certain angle, one of the gravity center vertical projection lines of the upper carbon fiber shock-absorbing rotary shaft sleeve 4 and the lower carbon fiber shock-absorbing rotary shaft sleeve 5 is located on the seat tube 3, and the other gravity center vertical projection line is located outside the seat tube 3. Wherein, fig. 3 and 4 only show the stress state of the carbon fiber front tripod part when the electric shock absorbing vehicle is in an ascending slope and a descending slope, and the central line in fig. 3 and 4 represents the vertical projection line of the gravity center.
The beneficial effects of the above technical scheme are that: can make electronic shock absorber car all have a carbon fiber to move away to avoid possible earthquakes the effort that the axle sleeve will receive when upslope or downhill path and conduct on seat pipe 3, thereby make the effort reduce to last carbon fiber move away to avoid possible earthquakes the damage of pivot cover 4 with lower carbon fiber move away to avoid possible earthquakes pivot cover 5, simultaneously, because there is the focus vertical projection line of one of them carbon fiber move away to avoid possible earthquakes the pivot cover to be in outside seat pipe 3, thereby avoid too big and lead to damaging seat pipe 3 to the pressure of seat pipe 3 itself, thereby the stress balance between seat pipe 3 and the carbon fiber move away to avoid possible earthquakes the pivot cover has been formed, thereby improve the life of whole electronic shock absorber car. Referring to fig. 3, when going downhill, the vertical projection line of the center of gravity of the upper carbon fiber shock-absorbing rotary shaft sleeve 4 is located outside the seat tube 3, and the vertical projection line of the center of gravity of the lower carbon fiber shock-absorbing rotary shaft sleeve 5 is located on the seat tube 3; referring to fig. 4, when going up an incline, the vertical projection line of the center of gravity of the upper carbon fiber shock-proof rotary shaft sleeve 4 is located on the seat tube 3, and the vertical projection line of the center of gravity of the lower carbon fiber shock-proof rotary shaft sleeve 5 is located outside the seat tube 3.
Specifically, the protruding direction of the upper carbon fiber shock-absorbing rotating shaft sleeve 4 is the front, and the upper carbon fiber shock-absorbing rotating shaft sleeve 4 is positioned on the front side wall of the seat tube 3 in the carbon fiber front tripod; the protruding direction of the lower carbon fiber shock-proof rotary shaft sleeve 5 is the rear.
The beneficial effects of the above technical scheme are that: therefore, the stable stress structure formed by the carbon fiber front tripod can be fully utilized by the upper carbon fiber shock-proof rotating shaft sleeve 4 and the lower carbon fiber shock-proof rotating shaft sleeve 5, and the upper carbon fiber shock-proof rotating shaft sleeve 4 and the lower carbon fiber shock-proof rotating shaft sleeve 5 are better integrated into the stress balance of the carbon fiber front tripod.
Specifically, the wall thickness of the upper carbon fiber shock absorbing rotating shaft sleeve 4 is 9.5mm to 10.5mm, preferably 10mm, and the wall thickness of the lower carbon fiber shock absorbing rotating shaft sleeve 5 is 5.5mm to 6.5mm, preferably 6mm. It should be noted that the upper and lower carbon fiber shock-absorbing rotating shaft sleeves are selected to have different thicknesses because the two parts are subjected to different impact forces, and the upper part is subjected to an impact force greater than the lower part.
Specifically, the inner diameter of the upper carbon fiber shock absorbing rotating shaft sleeve 4 is 14mm to 16mm, preferably 15mm, and the inner diameter of the lower carbon fiber shock absorbing rotating shaft sleeve 5 is 27mm to 29mm, preferably 28mm.
Specifically, the thickness between the two end surfaces of the upper carbon fiber shock absorbing rotating shaft sleeve 4 is 489mm to 491mm, preferably 490mm, and the thickness between the two end surfaces of the lower carbon fiber shock absorbing rotating shaft sleeve 5 is 599mm to 601mm, preferably 600mm.
Specifically, the upper carbon fiber shock-absorbing rotating shaft sleeve 4 comprises a plurality of layers of carbon fiber cloth, the carbon fiber modulus of the plurality of layers of carbon fiber cloth of the upper carbon fiber shock-absorbing rotating shaft sleeve 4 is 24T, FAW (the content of g/square meter is respectively C75, C100, C150 and C200, and the material angles are respectively 0 degrees, 30 degrees, 45 degrees, 0 degrees and 90 degrees, and the specific distribution sequence of each carbon fiber cloth can be selected according to the actual needs.
Specifically, the lower carbon fiber shock-absorbing rotating shaft sleeve 5 comprises a plurality of layers of carbon fiber cloth, the carbon fiber modulus of the plurality of layers of carbon fiber cloth of the lower carbon fiber shock-absorbing rotating shaft sleeve 5 is 24T, FAW (the content of g/square meter is C75, C100, C150 and C200 respectively, and the material angles are 0 degrees, 30 degrees, 45 degrees and 0 degrees +90 degrees respectively, the specific distribution sequence of the carbon fiber cloth can be selected according to the actual requirement, wherein the material angle of 0 degrees +90 degrees means that a 0-degree material and a 90-degree material are overlapped together to form a layer of material for use.
Specifically, the bottom end of the seat tube 3 is fixedly connected to the side wall of the rear end of the lower tube 1, a hidden battery placing groove extending in the direction of the lower tube 1 is formed inside the lower tube 1, a placing groove opening 6 is formed in the rear end face of the lower tube 1, and the placing groove opening 6 is used for allowing a battery to enter and exit the hidden battery placing groove.
The beneficial effects of the above technical scheme are that: the invention designs the battery placing mode of the electric shock-absorbing vehicle into a hidden inserting hole slot for placing. Such design, except that improved the pleasing to the eye of electronic car battery standing groove outward appearance of moving away to avoid possible earthquakes widely, more importantly, through the closed design of hidden battery standing groove, see through the complete whole stromatolite mechanics of carbon fiber and relevant stress effect, greatly improved electronic car's that moves away to avoid possible earthquakes bulk strength and security performance.
Specifically, a joint between the front end of the lower pipe 1 and the front end of the upper pipe 2 forms a head pipe extending in the up-down direction, and the head pipe is used for mounting parts such as a vehicle head; the rear end of upper tube 2 downward slope extends and is connected fixedly with the lateral wall on the top of seat pipe 3, and the top of seat pipe 3 continues upwards to extend and forms the saddle installation pipe, and the saddle installation pipe is used for installing the saddle.
Specifically, referring to fig. 5, 6 and 7, a carbon fiber rear upper fork and a carbon fiber rear lower fork are arranged behind the carbon fiber front tripod, the front end of the carbon fiber rear upper fork is in running fit with the upper carbon fiber shock-absorbing rotating shaft sleeve 4 through a bearing, and the front end of the carbon fiber rear lower fork is in running fit with the lower carbon fiber shock-absorbing rotating shaft sleeve 5 through a bearing; the rear end of the carbon fiber rear upper fork and the rear end of the carbon fiber rear lower fork are fixedly connected.
The beneficial effects of the part are as follows: the technical scheme provided by the invention is a carbon fiber electric shock-proof frame with double functions, which integrates a carbon fiber shock-proof bicycle and a carbon fiber electric bicycle. The electric bicycle has the advantages that the electric bicycle performance which the carbon fiber bicycle does not have and the shock-proof bicycle performance which the carbon fiber electric bicycle does not have can be achieved. The functions of the existing carbon fiber bicycle and the existing carbon fiber electric vehicle in the market, such as firmness, reliability, lightness, comfort, electromotion, shock absorption, and the like, are integrated.
Specifically, the carbon fiber rear upper fork comprises a left upper rod 7 and a right upper rod 8, a first connecting part 9 is arranged at the front end between two opposite sides of the left upper rod 7 and the right upper rod 8, and the first connecting part 9 is used for enabling the left upper rod 7 and the right upper rod 8 to keep relatively uniform motion fit; when the front end of the carbon fiber rear upper fork is rotationally matched with the upper carbon fiber shock-proof rotating shaft sleeve 4 through a bearing, the first connecting part 9 is positioned behind the seat tube 3; the carbon fiber rear lower fork comprises a left lower rod 10 and a right lower rod 11, a second connecting part 12 is arranged between the front ends of two opposite sides of the left lower rod 10 and the right lower rod 11, and the second connecting part 12 is used for enabling the left lower rod 10 and the right lower rod 11 to keep relatively uniform motion fit; when the front end of the carbon fiber rear lower fork is rotationally matched with the lower carbon fiber shock-absorbing rotary shaft sleeve 5 through a bearing, the second connecting part 12 is positioned behind the seat tube 3.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a carbon fiber electric shock absorber car frame, includes preceding tripod of carbon fiber, its characterized in that: the carbon fiber front tripod comprises a lower pipe (1), an upper pipe (2) and a seat pipe (3), wherein the front end of the lower pipe (1) extends upwards in an inclined manner and is fixedly connected with the front end of the upper pipe (2), the top end of the seat pipe (3) is fixedly connected with the rear end of the upper pipe (2), and the bottom end of the seat pipe (3) is fixedly connected with the rear end of the lower pipe (1); the upper part of the seat tube (3) is provided with an integrally formed and raised upper carbon fiber shock-absorbing rotary shaft sleeve (4), and the lower part of the seat tube (3) is provided with an integrally formed and raised lower carbon fiber shock-absorbing rotary shaft sleeve (5);
the protruding directions of the upper carbon fiber shock-proof rotating shaft sleeve (4) and the lower carbon fiber shock-proof rotating shaft sleeve (5) are front or rear, and the protruding directions of the upper carbon fiber shock-proof rotating shaft sleeve (4) and the lower carbon fiber shock-proof rotating shaft sleeve (5) are opposite;
when the electric shock-absorbing vehicle provided with the carbon fiber electric shock-absorbing vehicle frame is erected on a plane, a gravity center vertical projection line of the upper carbon fiber shock-absorbing rotating shaft sleeve (4) and the lower carbon fiber shock-absorbing rotating shaft sleeve (5) is positioned on the seat tube (3);
when the electric shock-absorbing vehicle provided with the carbon fiber electric shock-absorbing vehicle frame is positioned on a set inclined plane and the inclined plane reaches a certain angle, one of gravity center vertical projection lines of the upper carbon fiber shock-absorbing rotating shaft sleeve (4) and the lower carbon fiber shock-absorbing rotating shaft sleeve (5) is positioned on the seat tube (3), and the other gravity center vertical projection line is positioned outside the seat tube (3);
the protruding direction of the upper carbon fiber shock-proof rotating shaft sleeve (4) is the front direction, and the upper carbon fiber shock-proof rotating shaft sleeve (4) is positioned on the front side wall, positioned in the carbon fiber front tripod, in the seat tube (3); the protruding direction of the lower carbon fiber shock-proof rotating shaft sleeve (5) is the rear direction;
the bottom end of the seat tube (3) is fixedly connected with the side wall of the rear end of the lower tube (1), a hidden battery placing groove extending along the direction of the lower tube (1) is arranged inside the lower tube (1), a placing groove opening (6) is formed in the rear end face of the lower tube (1) of the hidden battery placing groove, and the placing groove opening (6) is used for allowing a battery to enter and exit the hidden battery placing groove;
a carbon fiber rear upper fork and a carbon fiber rear lower fork are arranged behind the carbon fiber front tripod, the front end of the carbon fiber rear upper fork is in rotating fit with the upper carbon fiber shock-absorbing rotating shaft sleeve (4) through a bearing, and the front end of the carbon fiber rear lower fork is in rotating fit with the lower carbon fiber shock-absorbing rotating shaft sleeve (5) through a bearing; the rear end of the carbon fiber rear upper fork and the rear end of the carbon fiber rear lower fork are fixedly connected.
2. The carbon fiber electric shock absorber vehicle frame as claimed in claim 1, wherein: the wall thickness of the upper carbon fiber shock-proof rotating shaft sleeve (4) is 9.5 mm-10.5 mm, and the wall thickness of the lower carbon fiber shock-proof rotating shaft sleeve (5) is 5.5 mm-6.5 mm.
3. The carbon fiber electric shock absorber vehicle frame as set forth in claim 2, wherein: the inner diameter of the upper carbon fiber shock-proof rotating shaft sleeve (4) is 14-16 mm, and the inner diameter of the lower carbon fiber shock-proof rotating shaft sleeve (5) is 27-29 mm.
4. The carbon fiber electric shock absorber vehicle frame as set forth in claim 3, wherein: the thickness between the two end faces of the upper carbon fiber shock-proof rotating shaft sleeve (4) is 489 mm-491 mm, and the thickness between the two end faces of the lower carbon fiber shock-proof rotating shaft sleeve (5) is 599 mm-601 mm.
5. The carbon fiber electric shock absorber vehicle frame as claimed in claim 1, wherein: the upper carbon fiber shock-absorbing rotating shaft sleeve (4) comprises a plurality of layers of carbon fiber cloth, the carbon fiber modulus of the plurality of layers of carbon fiber cloth of the upper carbon fiber shock-absorbing rotating shaft sleeve (4) is 24T, the FAW (g/square meter) content is C75, C100, C150 and C200 respectively, and the material angles are 0 degrees, 30 degrees, 45 degrees and 0 degree +90 degrees respectively.
6. The carbon fiber electric shock absorber vehicle frame as claimed in claim 1, wherein: the lower carbon fiber shock-absorbing rotating shaft sleeve (5) comprises a plurality of layers of carbon fiber cloth, the carbon fiber modulus of the plurality of layers of carbon fiber cloth of the lower carbon fiber shock-absorbing rotating shaft sleeve (5) is 24T, the FAW (g/square meter) content is C75, C100, C150 and C200 respectively, and the material angles are 0 degree, 30 degree, 45 degree and 0 degree +90 degree respectively.
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| CN202011201599.7A CN112429142B (en) | 2020-11-02 | 2020-11-02 | Carbon fiber electric shock absorber vehicle frame |
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| CN202011201599.7A CN112429142B (en) | 2020-11-02 | 2020-11-02 | Carbon fiber electric shock absorber vehicle frame |
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| CN112429142B true CN112429142B (en) | 2022-10-28 |
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| CN203681789U (en) * | 2014-01-27 | 2014-07-02 | 卜威工业股份有限公司 | Rear shock-proof frame structure of bicycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110187078A1 (en) * | 2010-02-02 | 2011-08-04 | Mark Antony Higgon | Rear suspension unit for after market use in folding bikes |
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|---|---|---|---|---|
| CN2880642Y (en) * | 2006-03-31 | 2007-03-21 | 太宇工业股份有限公司 | Bicycle frame with floating type vibrating-proof device |
| TWM316843U (en) * | 2007-02-16 | 2007-08-11 | Merida Industry Co Ltd | All-terrain multi-linkage shock absorbing frame |
| CN201002684Y (en) * | 2007-02-16 | 2008-01-09 | 陈汉杰 | Bicycle frame front triangle combined structure of carbon fiber |
| CN203450289U (en) * | 2013-08-08 | 2014-02-26 | 太宇工业股份有限公司 | Integrated connector for cushioning type bicycle frame |
| CN203681789U (en) * | 2014-01-27 | 2014-07-02 | 卜威工业股份有限公司 | Rear shock-proof frame structure of bicycle |
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