CN103303418A - Novel bicycle beam - Google Patents
Novel bicycle beam Download PDFInfo
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- CN103303418A CN103303418A CN2013102531138A CN201310253113A CN103303418A CN 103303418 A CN103303418 A CN 103303418A CN 2013102531138 A CN2013102531138 A CN 2013102531138A CN 201310253113 A CN201310253113 A CN 201310253113A CN 103303418 A CN103303418 A CN 103303418A
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Abstract
The invention provides a novel bicycle beam which comprises a beam main body, wherein a first cross section, a second cross section, a third cross section, a fourth cross section and a fifth cross section are arranged on the beam main body; the length between the first cross section and the second cross section is greater than one fifth of the length of the beam main body and less than one third of the length of the beam main body; the length between the second cross section and the third cross section is greater than one fifth of the length of the beam main body and less than one third of the length of the beam main body; the length between the third cross section and the fourth cross section is greater than one fifth of the length of the beam main body and less than one third of the length of the beam main body; and the length between the fourth cross section and the fifth cross section is greater than one fifth of the length of the beam main body and less than one third of the length of the beam main body. The novel bicycle beam has the benefits that the novel bicycle beam is formed by compressing a steel pipe with a pipe shrinkage machine, is high in mechanical strength, and saves the production cost.
Description
(1) technical field
The present invention relates to a kind of bicycle accessories, particularly relate to a kind of new bicycle crossbeam.
(2) background technology
Bicycle is the two small-sized land-going machines of taking turns normally.After the people rides car, being power with the foot pedal, is the vehicle of environmental protection.Bicycle can replace walking, and very environmental protection again can not pollute to environment, meets the theory of modern low-carbon environment-friendly, can also take exercises simultaneously, and be the desirable walking-replacing tool of achieving many things at one stroke.Crossbeam is the skeleton of bicycle, the people and goods's that it bears weight maximum.
Existing crossbeam be welded by many steel pipes mostly or steel pipe on a plurality of reinforced ribs of welding.But the crossbeam overall mechanical strength of making like this mechanical strength inhomogeneous and weld is low, and does the productive costs that can increase enterprise like this, prolongs the production cycle of enterprise.Therefore, be necessary existing bicycle accessories is improved, can enough strengthen the mechanical strength of bicycle beam, reduce production costs.
(3) summary of the invention
In order to overcome the weak point of existing bicycle accessories, the invention provides a kind of new bicycle crossbeam.
Technical scheme of the present invention is achieved in that
A kind of new bicycle crossbeam of this programme comprises main body of cross-beam, and described main body of cross-beam is provided with first cross section, second cross section, the 3rd cross section, the 4th cross section and the 5th cross section.
Described first cross section is surrounded successively by first cross section, first arc, first cross section, second arc, first cross section the 3rd arc, first cross section the 4th arc, first cross section the 5th arc, first cross section the 6th arc; Described first cross section second arc connects along first cross section, the first arc left end clickwise; Described first cross section the 3rd arc connects along first cross section, the second arc clickwise; Described first cross section the 4th arc connects along first cross section the 3rd arc clickwise; Described first cross section the 5th arc connects along first cross section the 4th arc clickwise; Described first cross section the 6th arc is connected along first cross section the 5th arc clickwise and with first cross section, the first arc right-hand member.
Described second cross section is surrounded successively by second cross section, first arc, second cross section, second arc, second cross section the 3rd arc, second cross section the 4th arc, second cross section the 5th arc and second cross section the 6th arc; Described second cross section second arc connects along second cross section, the first arc left end clickwise; Described second cross section the 3rd arc connects along second cross section, the second arc clickwise; Described second cross section the 4th arc connects along second cross section the 3rd arc clickwise; Described second cross section the 5th arc connects along second cross section the 4th arc clickwise; Described second cross section the 6th arc is connected along second cross section the 5th arc clickwise and with second cross section, the first arc right-hand member.
Described the 3rd cross section is surrounded successively by the 3rd cross section first arc, the 3rd cross section second arc, the 3rd cross section the 3rd arc and the 3rd cross section the 4th arc.Described the 3rd cross section second arc connects along the 3rd cross section first arc left end clickwise; Described the 3rd cross section the 3rd arc connects along the 3rd cross section second arc clickwise; Described the 3rd cross section the 4th arc is connected along the 3rd cross section the 3rd arc clickwise and with the 3rd cross section first arc.
Described the 4th cross section is surrounded successively by the 4th cross section first arc, the 4th cross section second arc, the 4th cross section the 3rd arc and the 4th cross section the 4th arc.Described the 4th cross section second arc connects along the 4th cross section first arc left end clickwise; Described the 4th cross section the 3rd arc connects along the 4th cross section second arc clickwise; Described the 4th cross section the 4th arc is connected along the 4th cross section the 3rd arc clickwise and with the 4th cross section first arc.
Described the 5th cross section is identical with the 4th cross section.
Described first cross section to the length between second cross section account for main body of cross-beam length greater than 1/5th less than 1/3rd; Length between three cross sections, described second cross section to the account for main body of cross-beam length greater than 1/5th less than 1/3rd; Length between four cross sections, described the 3rd cross section to the account for main body of cross-beam length greater than 1/5th less than 1/3rd; Length between five cross sections, described the 4th cross section to the account for main body of cross-beam length greater than 1/5th less than 1/3rd.
The maxim of described first cross-sectional length is not more than 90 centimetres, and the maxim of first section width is not more than 45 centimetres.
The maxim of described second cross-sectional length is not more than 78 centimetres, and the maxim of second section width is not more than 45 centimetres.
The maxim of described the 3rd cross-sectional length is not more than 70 centimetres, and the maxim of the 3rd section width is not more than 45 centimetres.
The maxim of described the 4th cross-sectional length is not more than 44 centimetres, and the maxim of the 4th section width is not more than 45 centimetres.
Usefulness of the present invention is: formed through the machine for shrinking compression by a steel pipe, mechanical strength is big, saves production cost.
(4) description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation in first cross section.
Fig. 3 is the structural representation in second cross section.
Fig. 4 is the structural representation in the 3rd cross section.
Fig. 5 is the structural representation in the 4th cross section.
Wherein: 1-main body of cross-beam, 2-first cross section, 3-second cross section, 4-the 3rd cross section, 5-the 4th cross section, 6-the 5th cross section, 21-first cross section first arc, 22-first cross section second arc, 23-first cross section the 3rd arc, 24-first cross section the 4th arc, 25-first cross section the 5th arc, 26-first cross section the 6th arc, 31-second cross section first arc, 32-second cross section second arc, 33-second cross section the 3rd arc, 34-second cross section the 4th arc, 35-second cross section the 5th arc, 36-second cross section the 6th arc, 41-the 3rd cross section first arc, 42-the 3rd cross section second arc, 43-the 3rd cross section the 3rd arc, 44-the 3rd cross section the 4th arc, 51-the 4th cross section first arc, 52-the 4th cross section second arc, 53-the 4th cross section the 3rd arc, 54-the 4th cross section the 5th arc, H1-first cross-sectional length, H2-second cross-sectional length, H3-the 3rd cross-sectional length, H4-the 4th cross-sectional length, D1-first cross-sectional length, D1-second cross-sectional length, D3-the 3rd cross-sectional length, D4-the 4th cross-sectional length.
(5) specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present invention are made brief description.
A kind of new bicycle crossbeam as Fig. 1 to Fig. 5 comprises main body of cross-beam 1, and described main body of cross-beam 1 is provided with first cross section 2, second cross section 3, the 3rd cross section 4, the 4th cross section 5 and the 5th cross section 6.
Described first cross section 2 is surrounded successively by first cross section, first arc 21, first cross section, second arc 22, first cross section the 3rd arc 23, first cross section the 4th arc 24, first cross section the 5th arc 25, first cross section the 6th arc 26; Described first cross section second arc 22 connects along first cross section, first arc, 21 left end clickwises; Described first cross section the 3rd arc 23 connects along first cross section, second arc, 22 clickwises; Described first cross section the 4th arc 24 connects along first cross section the 3rd arc 23 clickwises; Described first cross section the 5th arc 25 connects along first cross section the 4th arc 24 clickwises; Described first cross section the 6th arc 26 is connected along first cross section the 5th arc 25 clickwises and with first cross section, first arc, 21 right-hand members.
Described second cross section 3 is surrounded successively by second cross section, first arc 31, second cross section, second arc 32, second cross section the 3rd arc 33, second cross section the 4th arc 34, second cross section the 5th arc 35 and second cross section the 6th arc 36; Described second cross section second arc 32 connects along second cross section, first arc, 31 left end clickwises; Described second cross section the 3rd arc 33 connects along second cross section, second arc, 32 clickwises; Described second cross section the 4th arc 34 connects along second cross section the 3rd arc 33 clickwises; Described second cross section the 5th arc 35 connects along second cross section the 4th arc 34 clickwises; Described second cross section the 6th arc 36 is connected along second cross section the 5th arc 35 clickwises and with second cross section, first arc, 31 right-hand members.
Described the 3rd cross section 4 is surrounded successively by the 3rd cross section first arc 41, the 3rd cross section second arc 42, the 3rd cross section the 3rd arc 43 and the 3rd cross section the 4th arc 44.Described the 3rd cross section second arc 42 connects along the 3rd cross section first arc, 41 left end clickwises; Described the 3rd cross section the 3rd arc 43 connects along the 3rd cross section second arc, 42 clickwises; Described the 3rd cross section the 4th arc 44 is connected along the 3rd cross section the 3rd arc 43 clickwises and with the 3rd cross section first arc 41.
Described the 4th cross section 5 is surrounded successively by the 4th cross section first arc 51, the 4th cross section second arc 52, the 4th cross section the 3rd arc 53 and the 4th cross section the 4th arc 54.Described the 4th cross section second arc 52 connects along the 4th cross section first arc, 51 left end clickwises; Described the 4th cross section the 3rd arc 53 connects along the 4th cross section second arc, 52 clickwises; Described the 4th cross section the 4th arc 54 is connected along the 4th cross section the 3rd arc 53 clickwises and with the 4th cross section first arc 51.
Described the 5th cross section 6 is identical with the 4th cross section 5.
It is 1/4th that described first cross section accounts for main body of cross-beam length to the length between second cross section; It is 1/4th that length between three cross sections, described second cross section to the accounts for main body of cross-beam length; It is 1/4th that length between four cross sections, described the 3rd cross section to the accounts for main body of cross-beam length; It is 1/4th that length between five cross sections, described the 4th cross section to the accounts for main body of cross-beam length.
The maxim of the described first cross-sectional length H1 is 90 centimetres, and the maxim of the first section width D1 is 45 centimetres.
The maxim of the described second cross-sectional length H2 is 78 centimetres, and the maxim of the second section width D2 is 45 centimetres.
The maxim of described the 3rd cross-sectional length H3 is 70 centimetres, and the maxim of the 3rd section width D3 is 45 centimetres.
The maxim of described the 4th cross-sectional length H4 is 44 centimetres, and the maxim of the 4th section width D4 is 45 centimetres.
More than one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (6)
1. a new bicycle crossbeam comprises main body of cross-beam (1), it is characterized in that: described main body of cross-beam (1) is provided with first cross section (2), second cross section (3), the 3rd cross section (4), the 4th cross section (5) and the 5th cross section (6);
Described first cross section (2) is surrounded successively by first cross section, first arc (21), first cross section, second arc (22), first cross section the 3rd arc (23), first cross section the 4th arc (24), first cross section the 5th arc (25), first cross section the 6th arc (26); Described first cross section, second arc (22) connects along first cross section, first arc (21) left end clickwise; Described first cross section the 3rd arc (23) connects along first cross section, second arc (22) clickwise; Described first cross section the 4th arc (24) connects along first cross section the 3rd arc (23) clickwise; Described first cross section the 5th arc (25) connects along first cross section the 4th arc (24) clickwise; Described first cross section the 6th arc (26) is connected along first cross section the 5th arc (25) clickwise and with first cross section, first arc (21) right-hand member;
Described second cross section (3) is surrounded successively by second cross section, first arc (31), second cross section, second arc (32), second cross section the 3rd arc (33), second cross section the 4th arc (34), second cross section the 5th arc (35) and second cross section the 6th arc (36); Described second cross section, second arc (32) connects along second cross section, first arc (31) left end clickwise; Described second cross section the 3rd arc (33) connects along second cross section, second arc (32) clickwise; Described second cross section the 4th arc (34) connects along second cross section the 3rd arc (33) clickwise; Described second cross section the 5th arc (35) connects along second cross section the 4th arc (34) clickwise; Described second cross section the 6th arc (36) is connected along second cross section the 5th arc (35) clickwise and with second cross section, first arc (31) right-hand member;
Described the 3rd cross section (4) is surrounded successively by the 3rd cross section first arc (41), the 3rd cross section second arc (42), the 3rd cross section the 3rd arc (43) and the 3rd cross section the 4th arc (44).Described the 3rd cross section second arc (42) connects along the 3rd cross section first arc (41) left end clickwise; Described the 3rd cross section the 3rd arc (43) connects along the 3rd cross section second arc (42) clickwise; Described the 3rd cross section the 4th arc (44) is connected along the 3rd cross section the 3rd arc (43) clickwise and with the 3rd cross section first arc (41);
Described the 4th cross section (5) is surrounded successively by the 4th cross section first arc (51), the 4th cross section second arc (52), the 4th cross section the 3rd arc (53) and the 4th cross section the 4th arc (54).Described the 4th cross section second arc (52) connects along the 4th cross section first arc (51) left end clickwise; Described the 4th cross section the 3rd arc (53) connects along the 4th cross section second arc (52) clickwise; Described the 4th cross section the 4th arc (54) is connected along the 4th cross section the 3rd arc (53) clickwise and with the 4th cross section first arc (51);
Described the 5th cross section (6) is identical with the 4th cross section (5).
2. a kind of new bicycle crossbeam according to claim 1 is characterized in that: described first cross section (2) to the length between second cross section (3) account for main body of cross-beam (1) length greater than 1/5th less than 1/3rd; Described second cross section (3) to the length between the 3rd cross section (4) account for main body of cross-beam (1) length greater than 1/5th less than 1/3rd; Described the 3rd cross section (4) to the length between the 4th cross section (5) account for main body of cross-beam (1) length greater than 1/5th less than 1/3rd; Described the 4th cross section (5) to the length between the 5th cross section (6) account for main body of cross-beam (1) length greater than 1/5th less than 1/3rd.
3. a kind of new bicycle crossbeam according to claim 1, it is characterized in that: the maxim of described first cross-sectional length (H1) is not more than 90 centimetres, and the maxim of first section width (D1) is not more than 45 centimetres.
4. a kind of new bicycle crossbeam according to claim 1, it is characterized in that: the maxim of described second cross-sectional length (H2) is not more than 78 centimetres, and the maxim of second section width (D2) is not more than 45 centimetres.
5. a kind of new bicycle crossbeam according to claim 1, it is characterized in that: the maxim of described the 3rd cross-sectional length (H3) is not more than 70 centimetres, and the maxim of the 3rd section width (D3) is not more than 45 centimetres.
6. a kind of new bicycle crossbeam according to claim 1, it is characterized in that: the maxim of described the 4th cross-sectional length (H4) is not more than 44 centimetres, and the maxim of the 4th section width (D4) is not more than 45 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102531138A CN103303418A (en) | 2013-06-24 | 2013-06-24 | Novel bicycle beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102531138A CN103303418A (en) | 2013-06-24 | 2013-06-24 | Novel bicycle beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103303418A true CN103303418A (en) | 2013-09-18 |
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ID=49129235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102531138A Pending CN103303418A (en) | 2013-06-24 | 2013-06-24 | Novel bicycle beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103303418A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253236A (en) * | 2015-10-22 | 2016-01-20 | 天津市佳世通金属制品有限公司 | Bicycle lower beam pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195499Y (en) * | 1994-04-22 | 1995-04-26 | 天津自行车厂 | Frame of bicycle |
| CN2686990Y (en) * | 2004-03-05 | 2005-03-23 | 韩德玮 | Foldable bicycle |
| US20070063477A1 (en) * | 2002-08-05 | 2007-03-22 | Giant Manufacturing Co., Ltd. | Bicycle frame part having a disproportionally enlarged end section and process for making the same |
| CN202518424U (en) * | 2012-04-19 | 2012-11-07 | 天津市聚友自行车有限公司 | Single-beam bicycle frame |
| CN202624511U (en) * | 2012-05-22 | 2012-12-26 | 天津市聚友自行车有限公司 | Single-beam electric bicycle frame |
| CN203332313U (en) * | 2013-06-24 | 2013-12-11 | 天津金轮自行车集团有限公司 | Novel bicycle beam |
-
2013
- 2013-06-24 CN CN2013102531138A patent/CN103303418A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195499Y (en) * | 1994-04-22 | 1995-04-26 | 天津自行车厂 | Frame of bicycle |
| US20070063477A1 (en) * | 2002-08-05 | 2007-03-22 | Giant Manufacturing Co., Ltd. | Bicycle frame part having a disproportionally enlarged end section and process for making the same |
| CN2686990Y (en) * | 2004-03-05 | 2005-03-23 | 韩德玮 | Foldable bicycle |
| CN202518424U (en) * | 2012-04-19 | 2012-11-07 | 天津市聚友自行车有限公司 | Single-beam bicycle frame |
| CN202624511U (en) * | 2012-05-22 | 2012-12-26 | 天津市聚友自行车有限公司 | Single-beam electric bicycle frame |
| CN203332313U (en) * | 2013-06-24 | 2013-12-11 | 天津金轮自行车集团有限公司 | Novel bicycle beam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253236A (en) * | 2015-10-22 | 2016-01-20 | 天津市佳世通金属制品有限公司 | Bicycle lower beam pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130918 |