CN104787203A - Bicycle frame - Google Patents
Bicycle frame Download PDFInfo
- Publication number
- CN104787203A CN104787203A CN201510165973.5A CN201510165973A CN104787203A CN 104787203 A CN104787203 A CN 104787203A CN 201510165973 A CN201510165973 A CN 201510165973A CN 104787203 A CN104787203 A CN 104787203A
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- CN
- China
- Prior art keywords
- tubes
- pipe
- upper pipe
- waling
- lower pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention provides a bicycle frame. The bicycle frame comprises a head tube, lower tubes and upper tubes, wherein the lower tubes are two straight tubes, the distance between the two lower tubes becomes larger gradually from front to back, the front end of each lower tube is fixedly connected with the lower side of the head tube, and the tail end of each lower tube extends to a rear wheel axle and is fixedly connected with a connecting piece; a bottom bracket transversely penetrates through the middle portions of the lower tubes; the upper tubes parallel to each other are arranged above the lower tubes, the front end of each upper tube is fixed to the front end of the corresponding lower tube, longitudinal reinforcing ribs are arranged between the upper tubes and the lower tubes, and horizontal reinforcing ribs are arranged between the upper tubes and between the lower tubes; a saddle fixing base is arranged on the upper tubes, and the tail end of each upper tube extends to the tail end of a rear wheel. According to the bicycle frame, a saddle is fixed on the upper tubes, vertical tubes are omitted, the lower tubes and the upper tubes extend to be fixedly connected, and a horizontal fork and a vertical fork are omitted; furthermore, the extending parallel upper tubes can also serve as a supporting frame for a backseat, so that the structure becomes simpler and lighter and usability is higher.
Description
Technical field
The present invention designs bicycle accessories technical field, is specifically related to a kind of cycle frame.
Background technology
Current bicycle frame structure is roughly the same, comprise head tube, standpipe, upper pipe, lower pipe, upper fork, lower fork, in order to ensure the stable property of vehicle frame, by the mode of welding, upper pipe and lower pipe are welded between head tube and standpipe respectively, upper fork is welded the upper and lower end with standpipe respectively with one end of lower fork, and other end weld together converges at rear two axles place, due to the welding of needs many places, manufacturing procedure is loaded down with trivial details, and affects the fluency of cycle frame and attractive in appearance.
Summary of the invention
For solving the problems of the technologies described above, solution provided by the invention is: a kind of cycle frame, comprise head tube, lower pipe, upper pipe, it is characterized in that: described lower pipe is set to two straight tubes increased gradually by distance after forward direction, affixed on the downside of described lower pipe front end and described head tube, its end extends to hind axle place and affixed with contact pin, the cross-under of described lower pipe intermediate lateral has five-way, upper pipe parallel to each other is provided with above described lower pipe, described upper pipe front end is fixed on described lower pipe front end, waling is provided with between described upper pipe and described lower pipe, cross reinforcing is provided with between described upper pipe and between described lower pipe.
Further, pipe is provided with vehicle seat permanent seat on described, described vehicle seat permanent seat is located between described cross reinforcing on described upper pipe and described waling.
Further, described upper pipe end extends to trailing wheel end, and described upper pipe end is fixed with rear bicycle.
Further, the cross reinforcing between described lower pipe is provided with multiple on the direction away from described waling, and the number of described cross reinforcing is greater than 2.
Further, the waling on described upper pipe and described lower pipe is provided with multiple, head and the tail mutual connection between described waling.
Further, described upper pipe end is fixedly connected with described waling top, pipe is provided with vehicle seat permanent seat on described, and described vehicle seat permanent seat is located between described cross reinforcing on described upper pipe and described waling.
The advantage that the present invention has and beneficial effect are:
1, vehicle seat is fixed on upper pipe by this invention, eliminates standpipe, by extending lower pipe and upper pipe, and the connection that is fixed, eliminate chain stay and vertical fork, and the upper pipe parallel to each other extended can be used as again the bracing frame of back seat, make structure more simply light, more smooth attractive in appearance.
2, have additional reinforced rib between upper pipe, between lower pipe, between upper pipe and lower pipe, ensure stability and the fastness of vehicle frame.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
In figure: 1. head tube, 2. time pipe, 3. on pipe, 4. waling, 5. cross reinforcing, 6. five-way, 7. vehicle seat permanent seat, 8. vehicle seat, 9 back seats.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the invention direction is elaborated.
Embodiment 1 as shown in Figure 1, a kind of cycle frame, comprise head tube 1, lower pipe 2, upper pipe 3, it is characterized in that: described lower pipe 2 is set to two straight tubes increased gradually by distance after forward direction, affixed on the downside of described lower pipe 2 front end and described head tube 1, its end extends to hind axle place and affixed with contact pin, the cross-under of described lower pipe 2 intermediate lateral has five-way 6, upper pipe 3 parallel to each other is provided with above described lower pipe 2, described upper pipe 3 front end is fixed on described lower pipe 2 front end, waling 4 is provided with between described upper pipe 3 and described lower pipe 2, cross reinforcing 5 is provided with between described upper pipe 3 and between described lower pipe 2.
Wherein, pipe 3 is provided with vehicle seat permanent seat 7 on described, described vehicle seat permanent seat 7 is located between described cross reinforcing 5 on described upper pipe 3 and described waling 4, the cross reinforcing 5 of extreme end equals the length of described vehicle seat permanent seat 7 to described waling 4 and the distance of described upper pipe 3 junction foremost, ensure that and rock before and after vehicle seat permanent seat 7 is on upper pipe 3.Preferably, between the cross reinforcing 5 of extreme end and described vehicle seat permanent seat 7, spring is equipped with between described waling 4 and described upper pipe 3 junction foremost and described vehicle seat permanent seat 7.
Wherein, described upper pipe 3 end extends to trailing wheel end, and described upper pipe 3 end is fixed with rear bicycle 9.
Wherein, the cross reinforcing 5 between described lower pipe 2 is provided with multiple on the direction away from described waling 4, and the number of described cross reinforcing 5 is greater than 2.
Wherein, described upper pipe 3 is provided with multiple with the waling 4 on described lower pipe 2, and between described waling 4, head and the tail mutual connection, can form the triangular structure of stabilized structure, considerably increase the steadiness of vehicle frame.
Embodiment 2 as shown in Figure 2, a kind of cycle frame, comprise head tube 1, lower pipe 2, upper pipe 3, it is characterized in that: described lower pipe 2 is set to two straight tubes increased gradually by distance after forward direction, affixed on the downside of described lower pipe 2 front end and described head tube 1, its end extends to hind axle place and affixed with contact pin, the cross-under of described lower pipe 2 intermediate lateral has five-way 6, upper pipe 3 parallel to each other is provided with above described lower pipe 2, described upper pipe 3 front end is fixed on described lower pipe 2 front end, waling 4 is provided with between described upper pipe 3 and described lower pipe 2, cross reinforcing 5 is provided with between described upper pipe 3 and between described lower pipe 2.
Wherein, described upper pipe 3 end is fixedly connected with described waling 4 top, described vehicle seat permanent seat 7 is located between described cross reinforcing 5 on described upper pipe 3 and described waling 4, and described vehicle seat permanent seat 7 is located between described cross reinforcing 5 on described upper pipe 3 and described waling 4.The cross reinforcing 5 of extreme end equals the length of described vehicle seat permanent seat 7 to described waling 4 and the distance of described upper pipe 3 junction foremost, ensure that and rock before and after vehicle seat permanent seat is on upper pipe 3, preferably, between the cross reinforcing 5 of extreme end and described vehicle seat permanent seat 7, spring is equipped with between the first junction of described waling 4 and described upper pipe 3 and described vehicle seat permanent seat 7.
Wherein, the cross reinforcing 5 between described lower pipe 2 is provided with multiple on the direction away from described waling 4, and the number of described cross reinforcing 5 is greater than 2.
Wherein, described upper pipe 3 is provided with multiple with the waling 4 on described lower pipe 2, and between described waling 4, head and the tail mutual connection, can form the triangular structure of stabilized structure, considerably increase the steadiness of vehicle frame.
Above two embodiments of the present invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (6)
1. a cycle frame, comprise head tube (1), lower pipe (2), upper pipe (3), it is characterized in that: described lower pipe (2) is set to two straight tubes increased gradually by distance after forward direction, described lower pipe (2) front end and described head tube (1) downside affixed, its end extends to hind axle place and affixed with contact pin, the intermediate lateral cross-under of described lower pipe (2) has five-way (6), upper pipe (3) parallel to each other is provided with in described lower pipe (2) top, described upper pipe (3) front end is fixed on described lower pipe (2) front end, waling (4) is provided with between described upper pipe (3) and described lower pipe (2), cross reinforcing (5) is provided with between described upper pipe (3) and between described lower pipe (2).
2. cycle frame according to claim 1, it is characterized in that: pipe (3) is provided with vehicle seat permanent seat (7) on described, described vehicle seat permanent seat (7) is located between described cross reinforcing (5) on described upper pipe (3) and described waling (4).
3. cycle frame according to claim 2, is characterized in that: described upper pipe (3) end extends to trailing wheel end, and described upper pipe (3) end is fixed with rear bicycle (9).
4. cycle frame according to claim 1, it is characterized in that: the cross reinforcing (5) between described lower pipe (2) is provided with multiple on the direction away from described waling (4), and the number of described cross reinforcing (5) is greater than 2.
5. cycle frame according to claim 1, it is characterized in that: described upper pipe (3) is provided with multiple with the waling (4) on described lower pipe (2), head and the tail mutual connection between described waling (4).
6. cycle frame according to claim 1, it is characterized in that: described upper pipe (3) end is fixedly connected with described waling (4) top, pipe (3) is provided with vehicle seat permanent seat (7) on described, described vehicle seat permanent seat (7) is located between described cross reinforcing (5) on described upper pipe (3) and described waling (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165973.5A CN104787203A (en) | 2015-04-09 | 2015-04-09 | Bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165973.5A CN104787203A (en) | 2015-04-09 | 2015-04-09 | Bicycle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104787203A true CN104787203A (en) | 2015-07-22 |
Family
ID=53552495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510165973.5A Pending CN104787203A (en) | 2015-04-09 | 2015-04-09 | Bicycle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104787203A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012733A (en) * | 1997-08-14 | 2000-01-11 | Rafoth; Randall F. | Advanced bike frame design |
| US6848700B1 (en) * | 1992-06-05 | 2005-02-01 | Thomas M. Fritschen | Bicycle with improved frame design |
| WO2012101336A1 (en) * | 2011-01-27 | 2012-08-02 | Peugeot Citroen Automobiles Sa | Bicycle-type or motorcycle-type vehicle comprising a shock-absorbing saddle that can be adjusted along the frame |
| CN204077952U (en) * | 2014-09-23 | 2015-01-07 | 捷安特（昆山）有限公司 | Cycle frame |
-
2015
- 2015-04-09 CN CN201510165973.5A patent/CN104787203A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6848700B1 (en) * | 1992-06-05 | 2005-02-01 | Thomas M. Fritschen | Bicycle with improved frame design |
| US6012733A (en) * | 1997-08-14 | 2000-01-11 | Rafoth; Randall F. | Advanced bike frame design |
| WO2012101336A1 (en) * | 2011-01-27 | 2012-08-02 | Peugeot Citroen Automobiles Sa | Bicycle-type or motorcycle-type vehicle comprising a shock-absorbing saddle that can be adjusted along the frame |
| CN204077952U (en) * | 2014-09-23 | 2015-01-07 | 捷安特（昆山）有限公司 | Cycle frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |