CN204077939U - A kind of folding bicycle frame - Google Patents
A kind of folding bicycle frame Download PDFInfo
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- CN204077939U CN204077939U CN201420502539.2U CN201420502539U CN204077939U CN 204077939 U CN204077939 U CN 204077939U CN 201420502539 U CN201420502539 U CN 201420502539U CN 204077939 U CN204077939 U CN 204077939U
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- pipe
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- reinforced
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- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model discloses a kind of folding bicycle frame, comprise middle pipe, main-beam pipe, reinforced pipe and Rear frame, described middle pipe side is connected with described Rear frame, opposite side is fixedly connected with one end of main-beam pipe with described reinforced pipe, and the described reinforced pipe other end is fixedly connected with described main-beam pipe, and the body of the body of described main-beam pipe, the body of reinforced pipe and Rear frame is square structure.The Quad Sides of square structure plays the effect of reinforced rib, and therefore square structure makes body intensity increase, and the body routine breaking vehicle frame uses the way of similar oval body or oval body and circular body.When vehicle frame body intensity reaches bicycle trade standard, the body volume of square structure can reduce accordingly, and the volume of vehicle frame body can correspondingly reduce, rational in infrastructure.And it is not the body intensity of square structure is large, therefore, harsh to material requirements, cost-saving.
Description
Technical field
The utility model relates to cycle frame, particularly a folding bicycle frame.
Background technology
The present folding bicycle vehicle frame pipe that becomes more and more popular now is that pipe is that pipe is the easiest, sometimes can flatten, become with circle, therefore, does not generally still jump out this based on pipe fitting general layout that is circular or ellipse because his not only slim and graceful intensity but also enough.But folding bicycle should have its new thinking, because there is the place interfered with each other often between pipe and pipe, make the so not little of folding, or when opening, intensity is lax to some extent.Square or rectangular cross section is relative to the cross section of a circle or ellipse, and the torsion of each side and intensity are all maximum.As shown in Figure 1, the cross section of a square or rectangular tube 7 is relative to the cross section of a round tube or ellipse, the vehicle frame body of bicycle uses the comparison of round tube 6 and square tube 7, the intensity of square tube 7 shape is larger than the intensity of round tube 6, because square tube 7 four limit has square seamed edge structure, have reinforced rib effect, intensity is large.The vehicle frame body of present bicycle uses ellipticity body, round shape body and other are close to round shape body, uses oval body many.In order to strengthen the intensity of vehicle frame body, the upper and lower side of General Elliptic body is the two-end-point of oval major axis, namely the thickness in upper and lower orientation of oval body is utilized to greatest extent, the intensity of body by upper and lower power effect could be increased, therefore body seems more flat like this, during the two-end-point of a little partially oval major axis, stressed strength variance; Sometimes even increase the thickness of body to reach the greater strength requirement of vehicle frame, cost increases.The vehicle frame of Steel material is relatively thick and heavy, and present vehicle frame also generally adopts aluminum alloy to replace Steel material, although aluminum alloy alleviates weight, aluminum alloy is partially soft, therefore in order to reach certain intensity, needs the volume of its thickness and volume ratio Steel material to increase, body volume increases, particularly evident in folded bicycle.
Utility model content
The utility model aims to provide a kind of rational in infrastructure, and intensity is large, the folding bicycle frame that tooling cost is low.
The utility model is achieved in that a kind of folding bicycle frame, comprise middle pipe, main-beam pipe, reinforced pipe and Rear frame, described middle pipe side is connected with described Rear frame, opposite side is fixedly connected with one end of main-beam pipe with described reinforced pipe, and the described reinforced pipe other end is fixedly connected with described main-beam pipe, and the body of the body of described main-beam pipe, the body of reinforced pipe and Rear frame is square structure.
Described middle pipe comprises connecting panel, and described connecting panel one end is connected with described Rear frame, and the other end is fixedly connected with one end of described reinforced pipe.
Described Rear frame comprises symmetrical spandrel frame and transverse slat; Described transverse slat and spandrel frame described in two are fixedly connected with in one and are connected with described connecting panel.
Described spandrel frame comprises flat pipe, upper pipe and standpipe; Described flat pipe one end is fixedly connected with described upper pipe one end, and the other end is fixedly connected with described standpipe one end; The described standpipe other end is fixedly connected with the described upper pipe other end, and described two standpipes are fixedly connected with described transverse slat.
In the shape that arches upward in the middle of described main-beam pipe, and two ends are bent downwardly; Described main-beam pipe one end is fixedly connected with described middle pipe, and the other end is fixedly connected with head tube.
Described reinforced pipe is symmetrical.
Described Rear frame comprises left and right fork leg and two support tubes; Described left and right fork leg is fixedly connected with described two support tube one end respectively, and the described two support tube other ends are fixedly connected with described middle pipe.
The beneficial effects of the utility model are: the body of the body of main-beam pipe, the body of Rear frame and reinforced pipe is square structure.The Quad Sides of square structure plays the effect of reinforced rib, and therefore square structure makes body intensity increase, and the body routine breaking vehicle frame uses the way of similar oval body or oval body and circular body.When vehicle frame body intensity reaches bicycle trade standard, the body volume of square structure can reduce accordingly, and the volume of vehicle frame body can correspondingly reduce, rational in infrastructure.And it is not the body intensity of square structure is large, therefore, harsh to material requirements, cost-saving.Square body is when folding, and can fit preferably, folding volume is less.
Accompanying drawing explanation
Fig. 1 is the structure comparison schematic diagram of rectangular tube and round tube;
Fig. 2 is the integral structure schematic diagram of folding bicycle frame of the present utility model;
Fig. 3 is the integral structure schematic diagram at another visual angle of folding bicycle frame of the present utility model;
Fig. 4 is the integral structure schematic diagram of another vehicle frame of folding bicycle frame of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of folding bicycle frame of the utility model is described in further details.
Please refer to shown in Fig. 2 and Fig. 3, folding bicycle frame, comprise the middle pipe 1 being provided with connecting panel 4, main-beam pipe 2, reinforced pipe 3 and Rear frame 5; Middle pipe 1 comprises connecting panel 4, and connecting panel 4 is positioned at lower end, and connecting panel 4 is arranged with Five-way tube.Rear frame 5 comprises symmetrical spandrel frame and transverse slat 51; Spandrel frame comprises flat pipe 52, upper pipe 53 and standpipe 54; Flat pipe 52 one end is fixedly connected with upper pipe 53 one end, and the other end is fixedly connected with standpipe 54 one end; Standpipe 54 other end is fixedly connected with upper pipe 53 other end, forms spandrel frame; Transverse slat 51 liang of standpipes 54 are fixedly connected with transverse slat 51, and are fixedly connected with in one with two triangle framework, and form Rear frame 5, Rear frame 5 is at vehicle frame rear portion, and shape triangular in shape is more stable, has intensity high, good stability.
Connecting panel 4 one end is fixedly connected with Rear frame 5 or hinged, and the other end is fixedly connected with one end of reinforced pipe 3, and reinforced pipe 3 other end is fixedly connected with main-beam pipe 2; Main-beam pipe 2 one end is fixedly connected with middle pipe 1, and the other end is fixedly connected with head tube 9.In the shape that arches upward in the middle of main-beam pipe 2, and two ends are bent downwardly; Main-beam pipe 2 is conducive to bicycle when folding in the shape that arches upward, and rear wheel is socketed in below main-beam pipe 2, reduces folding volume.When main-beam pipe 2 two ends are bent downwardly, make head tube 9 height reduction, thus make front fork and handlebar when folding, highly lower, be conducive to fold height.Two reinforced pipes 3 be fixedly connected with between main-beam pipe 2 with connecting panel 4 are symmetrical, make to strengthen main-beam pipe 2 by force intensity, vehicle frame force balance, the life-span is long.
The body of the body of main-beam pipe 2, the body of Rear frame 5 and reinforced pipe 3 is square structure.The Quad Sides of square structure plays the effect of reinforced rib, and therefore square structure makes body intensity increase, and the body routine breaking vehicle frame uses the way of similar oval body or oval body and circular body.When vehicle frame body intensity reaches bicycle trade standard, the body volume of square structure can reduce accordingly, and the volume of vehicle frame body can correspondingly reduce, rational in infrastructure.And it is not the body intensity of square structure is large, therefore, harsh to material requirements, cost-saving.In the utility model, alleged square structure is square or deflection tetragonal structure, also can make to have the body on rhombus limit and tetragonal body, or other polygons, body outside has changeable rhombus limit, or the body having polygon and circular camber line to combine.
Please refer to shown in Fig. 4, Rear frame 5 comprises left and right fork leg 55 and two support tubes 56; Left and right fork leg 55 is fixedly connected with two support tube 56 one end respectively, and two support tube 56 other ends are fixedly connected with middle pipe 1 side, and structure is simple, rationally.
Square or oblong is taked in the cross section of above square body haply; Wherein four angles can comprise pipe, 53 flat pipes 52, standpipe 54 with circular with the degree of safety to human body increasing car load and attractive in appearance, and manage, these pipes can pull into the square pipe of shape with rushing, and can use pipe, mould is drawing; Can with square by being pressed into.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a folding bicycle frame, comprise middle pipe (1), main-beam pipe (2), reinforced pipe (3) and Rear frame (5), described middle pipe (1) side is connected with described Rear frame (5), opposite side is fixedly connected with described reinforced pipe (3) one end with main-beam pipe (2), described reinforced pipe (3) other end is fixedly connected with described main-beam pipe (2), it is characterized in that, the body of the body of described main-beam pipe (2), the body of reinforced pipe (3) and Rear frame (5) is square structure.
2. folding bicycle frame according to claim 1, is characterized in that, described middle pipe (1) comprises connecting panel (4); Described connecting panel (4) one end is connected with described Rear frame (5), and the other end is fixedly connected with the one end of described reinforced pipe (3).
3. folding bicycle frame according to claim 2, is characterized in that, described Rear frame (5) comprises symmetrical spandrel frame and transverse slat (51); Described transverse slat (51) and spandrel frame described in two are fixedly connected with in one and are connected with described connecting panel (4).
4. folding bicycle frame according to claim 3, is characterized in that, described spandrel frame comprises flat pipe (52), upper pipe (53) and standpipe (54); Described flat pipe (52) one end is fixedly connected with described upper pipe (53) one end, and the other end is fixedly connected with described standpipe (54) one end; Described standpipe (54) other end is fixedly connected with described upper pipe (53) other end, and described two standpipes (54) are fixedly connected with described transverse slat (51).
5. folding bicycle frame according to claim 2, is characterized in that, in the shape that arches upward in the middle of described main-beam pipe (2), and two ends are bent downwardly; Described main-beam pipe (2) one end is fixedly connected with described middle pipe (1), and the other end is fixedly connected with head tube (9).
6. folding bicycle frame according to claim 5, is characterized in that, described reinforced pipe (3) is symmetrical.
7. folding bicycle frame according to claim 1, is characterized in that, described Rear frame (5) comprises left and right fork leg (55) and two support tubes (56); Described left and right fork leg (55) is fixedly connected with described two support tubes (56) one end respectively, and described two support tubes (56) other end is fixedly connected with described middle pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502539.2U CN204077939U (en) | 2014-08-28 | 2014-08-28 | A kind of folding bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502539.2U CN204077939U (en) | 2014-08-28 | 2014-08-28 | A kind of folding bicycle frame |
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| Publication Number | Publication Date |
|---|---|
| CN204077939U true CN204077939U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420502539.2U Active CN204077939U (en) | 2014-08-28 | 2014-08-28 | A kind of folding bicycle frame |
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| Country | Link |
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| CN (1) | CN204077939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029785A1 (en) * | 2014-08-28 | 2016-03-03 | 大行科技(深圳)有限公司 | Foldable bicycle frame |
| CN106985947A (en) * | 2017-05-19 | 2017-07-28 | 杭州乐基科技有限公司 | Rhizoma Sparganii cone structure folding bicycle frame |
-
2014
- 2014-08-28 CN CN201420502539.2U patent/CN204077939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029785A1 (en) * | 2014-08-28 | 2016-03-03 | 大行科技(深圳)有限公司 | Foldable bicycle frame |
| CN106985947A (en) * | 2017-05-19 | 2017-07-28 | 杭州乐基科技有限公司 | Rhizoma Sparganii cone structure folding bicycle frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210407 Address after: 8th floor, Yizhan business building, No.8, Yizhan 4th Road, Shapu community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Meidahang Technology Co.,Ltd. Address before: Factory AB No 18 Songtang Road tongfuyu Industrial Park tangxiayong community Songgang street Bao'an District Shenzhen City Guangdong Province Patentee before: DAHON TECHNOLOGIES, Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 518100 8th floor, Yizhan business building, 8 Yizhan 4th Road, Shapu community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Dahang Science and Technology (Shenzhen) Co.,Ltd. Country or region after: China Address before: 518100 8th floor, Yizhan business building, 8 Yizhan 4th Road, Shapu community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Meidahang Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |