CN201366904Y - Bicycle wheel rim with V-shaped cross section - Google Patents
Bicycle wheel rim with V-shaped cross section Download PDFInfo
- Publication number
- CN201366904Y CN201366904Y CNU2008201403601U CN200820140360U CN201366904Y CN 201366904 Y CN201366904 Y CN 201366904Y CN U2008201403601 U CNU2008201403601 U CN U2008201403601U CN 200820140360 U CN200820140360 U CN 200820140360U CN 201366904 Y CN201366904 Y CN 201366904Y
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- wheel rim
- mounting part
- width
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Abstract
The utility model relates to a bicycle accessory, in particular to a bicycle wheel rim comprising a tire installation part and an annular spoke installation part. A tire can be installed on the tire installation part; the tire installation part is fixedly connected with two symmetric wall height parts and two symmetric tire bottom width parts to be in a U shape; two ends of the U-shaped tire installation part are fixedly connected with groove margin parts; the annular spoke installation part is fixedly connected with the tire installation part; the annular spoke installation part is respectively connected with the tire bottom width parts through outer side walls at two sides to be in an annular shape; with regard to the V-shaped cross section of the bicycle wheel rim, the thickness of the wall of the bicycle wheel rim can be ignored relative to the length of the wall height parts and the length of the outer side walls, both the wall height parts and the outer side walls can be considered as line segments; and the wall height parts and the outer side walls are in the same line and share the same endpoint. The utility model has the advantages of higher collision resistance, higher cross section and lighter weight.
Description
Technical field
The utility model relates to a kind of bicycle part, especially refers to bicycle rim, and being specially a kind of section is the vee-type bicycle rim.
Background technology
Because weight directly influences speed and power,, make whole high strength of bicycle and lightweight so need high strength, weight-saving bicycle assembly parts more.Along with the characteristic of the development tendency and the aluminum alloy itself of bicycle trade lightweight, high performance, aluminum alloy more and more is used for each position of bicycle trade.
But, because section moulding and weight directly affect intensity and speed, so need more high strength and weight-saving aluminium circle.Especially crash-resistant aluminium alloy rim in a kind of process of should ultralight riding again of field vehicle exigence, traditional structure design can not satisfy jockey's hope; Now for will reach the wheel rim section height more than 37mm, a kind of aluminium circle section of ultra lightweight, high strength and anti-collision, section aluminum alloy circle in the market all can't satisfy above requirement fully.
The utility model content
Main purpose of the present utility model is, a kind of wheel rim section height height, in light weight and bicycle rim that intensity is strong are provided.
The purpose of this utility model is achieved in that
A kind of section is the vee-type bicycle rim, and it comprises:
A tyre mounting part can be with mounting of tyre thereon; Described tyre mounting part is captiveed joint with tire bottom width portion by the high portion of two symmetrical wall and is constituted U-shaped, the two ends captive joint limes marginis portion of described U-shaped tyre mounting part;
An annular spoke mounting portion of captiveing joint with tyre mounting part; Described annular spoke mounting portion connects and composes ring-type with tire bottom width portion and spoke mounting part respectively by both sides external wall portion;
Wherein, in the described bicycle V shaped wheel circle section, the wall thickness of wheel rim can be ignored with respect to the height of the high portion of wall and the height of external wall portion, and with regard to the wheel rim section, high portion of wall and external wall portion all can be considered line segment; High portion of described wall and described external wall portion in-line, and there are common end points in the high portion of described wall and described external wall portion.
Further; The altitude range of described bicycle rim section is the arbitrary height between the 30mm-42.2mm.
Further; The width of any section is 19.7mm, 19mm, 19mm, 23mm, 23mm, 20.3mm, 20.3mm, 20mm, 20mm, 21mm between the both walls height; Width between the limes marginis portion of both sides is 13mm, 12mm, 16mm, 13.6mm, 19mm, 15mm.
Further; Tire bottom width portion cross section can require to be connected with the high portion of both walls with the mode of linearity or circular arc or broken line shape according to difference.
Further; The spoke mounting part cross section can require to be connected with both sides external wall portion with the mode of linearity or circular arc or broken line shape according to difference.
In the prior art, the high portion of the wall of wheel rim section adopts curvilinear structures with being connected of external wall portion, and promptly high portion of the wall of wheel rim section and external wall portion be not on same straight line.
The utlity model has following advantage:
1, traditional wheel rim is compared with the utility model: the both sides external wall portion of traditional wheel rim section and the high portion of wall are connected to curvilinear structures, the both sides external wall portion of the utility model wheel rim section is a straight line with being connected of the high portion of wall fully, under equal height, the cross-sectional area maximum of traditional wheel rim; The utility model wheel rim cross-sectional area minimum is so under the situation of equal wall thickness, weight of the present utility model is lighter.So under the situation of equivalent weight, more traditional wheel rim intensity of the present utility model is big; Under equality strength, more traditional wheel rim of the present utility model is in light weight;
2, being connected of the both sides external wall portion of the utility model section and the high portion of wall adopts straight line to connect with the both sides external wall portion of traditional wheel rim section to adopt connection structure to compare with the high portion of wall curve: the both sides external wall portion of the utility model wheel rim and the area of the high portion of wall are less than the both sides external wall portion and the high portion of the wall area of traditional wheel rim, so the area of contact of the utility model wheel rim and air is little, the also more traditional wheel rim of the resistance of wind is little, can effectively reduce the resistance that bicycle drives the process apoplexy;
3, it is better that the high portion of the utility model section both sides external wall portion and wall adopts the both sides external wall portion and the high portion of the wall curve connection structure overall performance of skew lines link ratio tradition wheel rim section, stronger to the supporting power of tire;
4, the utlity model has maximum bending strength, the flintiness of reversing and ultralight performance.
Description of drawings
Fig. 1 is the utility model sectional schematic diagram
Fig. 2 is the prior art sectional schematic diagram
Fig. 3 is a prior art sectional schematic diagram 2
Fig. 4 is the utility model sectional schematic diagram 1
Fig. 5 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change one of scheme drawing
Fig. 6 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change two of scheme drawing
Fig. 7 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change three of scheme drawing
Fig. 8 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change four of scheme drawing
Fig. 9 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change five of scheme drawing
Figure 10 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change six of scheme drawing
Figure 11 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change seven of scheme drawing
Figure 12 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change eight of scheme drawing
Figure 13 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change nine of scheme drawing
Figure 14 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change ten of scheme drawing
Figure 15 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change 11 of scheme drawing
Figure 16 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change 12 of scheme drawing
Figure 17 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change 13 of scheme drawing
Figure 18 between the both walls of the present invention high 1 between the wide bottom 4 of width, the height of wheel rim section, tire between width, the both sides limes marginis portion 3 connection mode, spoke outer rim cross sectional shape, spoke inner edge cross sectional shape change 14 of scheme drawing
The specific embodiment
Below in conjunction with Fig. 1, section production decision of the present utility model is described further:
A kind of section is the bicycle rim of V-shaped section, is made up of with an annular spoke mounting portion of captiveing joint with tyre mounting part a tyre mounting part;
Tyre mounting part; Captive joint with tire bottom width portion 4 by the high portion 1 of two symmetrical wall and to constitute U-shaped, the two ends captive joint limes marginis portion 3 of U-shaped tyre mounting part; Mounting of tyre can be installed in the U-shaped portion of limes marginis portion 3 and high portion 1 of wall and 4 formation of tire bottom width portion;
Annular spoke mounting portion; Connect and compose ring-type with tire bottom width portion 4 and spoke mounting part 6 respectively by both sides external wall portion 5;
Wherein, in the described bicycle V shaped wheel circle section, the wall thickness of wheel rim is compared and can be ignored with respect to the height of the high portion 1 of wall and the height of external wall portion, and the high portion 1 of wall all can be considered line segment with external wall portion 5; High portion of described wall 1 and described external wall portion 5 in-lines, and there is common end points in the high portion 1 of described wall with described external wall portion 5.
In conjunction with Fig. 1 and Fig. 2, traditional wheel rim is with distinctive points of the present utility model: the high portion 1 of wall is different with being connected of side wall portion 5, the high portion 1 of wall and external wall portion 5 and junction 2 in-lines in the utility model; And in the prior art, high portion 1 of wall and external wall portion 5 and junction 2 are on a curve or broken line.
In order to verify actual effect of the present utility model,, the utility model and the existing wheel rim of prior art have been carried out the contrast experiment in conjunction with Fig. 3, Fig. 4:
Wherein, prior art wheel rim (the high portion of wall adopts the curve connection structure with being connected of external wall portion), wheel rim is aluminum alloy material;
Among Fig. 3: the high portion of the wall of prior art and the junction of external wall portion are 7 to be connected for curve;
Among Fig. 4: the high portion of wall of the present utility model and the junction of external wall portion are 7 to be connected for straight line;
The tire force position is 8 among Fig. 3,4.
The performance testing standard adopts following standard:
1) compressive strength ISO/JIS standard: wheel rim is applied the static weight of 50KG, and after lasting 2min shed loading, the set deformation volume of loading point should be not more than 1mm.
2) lateral rigidity GIANT standard: will enclose the horizontal positioned and the quarter, and fix its 3 point, 1/4 place applies the loading of 32KG, and its deflection is in 80mm.
Comparative Examples 1:
1) equality strength, the weight contrast is as follows:
As from the foregoing, under equality strength, weight of the present utility model is lighter than the prior art wheel rim.
Comparative Examples 2:
2) equivalent weight, intensity contrast is as follows:
Hence one can see that, and under the situation of equivalent weight, the utility model is higher than the intensity of prior art wheel rim.
Comparative Examples 3:
3) windage contrast:
Most important relative wind velocity and the actv. choke area of being decided by of windage when bicycle drives.
Wherein, Relative wind velocity: be decided by the bicycle speed of a motor vehicle and wind speed, addition in the time of is against the wind subtracted each other with the wind.
The choke area has: health, and vehicle frame, rim, handgrip, the car clothing, Bottle Cage, safety cap, large fluted disc, preceding brake etc., wherein the difference of bicycle rim section also has a significant impact windage.
Bicycle rim section and wheel rim section rim of the present utility model are when the velocity test with 25 miles (42.25 kilometers) compares in the prior art, and two Artenkreis are as follows to accounting for the test of windage ratio:
It is more little that rim accounts for car load windage ratio, favourable more to car load, and speed is fast more, and hence one can see that, and under the situation of equivalent weight, the utility model is little to accounting for the windage ratio than the prior art wheel rim.
From the explanation of above comparing result: the utility model compared with prior art has significant effect, and it is poor that the utility model has solved in the prior art wheel rim crash worthiness, and section is lower, Heavy Weight and the big shortcoming of windage.
In conjunction with figure, as shown in the table: wherein width unit is mm between the both walls height.
| Figure | Fig. 4 | Fig. 5 | Fig. 6 | Fig. 7 | Fig. 8 | Figure 11 | Figure 12 | Figure 13 | Figure 14 | Figure 15 |
| Width between the both walls high 1 | 19.7 | 19 | 19 | 23 | 23 | 20.3 | 20.3 | 20 | 20 | 21 |
According to last table as can be known: the width of any section can change according to the width of tire between the utility model both walls high 1.
In conjunction with figure, as shown in the table.Wherein width unit is mm between the both sides limes marginis portion.
| Figure | Fig. 4, Figure 13, Figure 14 | Fig. 5 Fig. 6 | Fig. 7 Fig. 8 | Fig. 9 Figure 10 | Figure 17 Figure 18 | Figure 11, Figure 12 Figure 15, Figure 16 |
| Width between the limes marginis |
13 | 12 | 16 | 13.6 | 19 | 15 |
According to last table as can be known: the width between the utility model both sides limes marginis portion 3 can change according to the width of tire.
In conjunction with figure, as shown in the table.Wherein the height unit of bicycle rim section is mm.
| Figure | Fig. 5, Fig. 6 Fig. 7, Fig. 8 | Fig. 9, Figure 10 Figure 11, Figure 12 | Fig. 4, Figure 13, Figure 14, Figure 15 Figure 16, Figure 17, Figure 18 |
| The height of the |
30 | 37 | 42.2 |
In conjunction with last table as can be known, the height of the utility model bicycle rim section can be arbitrary height between the 30mm-42.2mm.
The width of spoke mounting part 6 can change according to the requirement of spoke copperhead, so no matter above width has any variation, all should list protection domain of the present utility model in.
In conjunction with Fig. 4, Fig. 5, Fig. 7, Fig. 9, Figure 11, Figure 13, Figure 15, Figure 17 as can be known: be to be connected with the high portion 1 of circular arc mode and both walls between the wide bottom 4 of the utility model tire, promptly the cross sectional shape of the wide bottom 4 of tire is a circular arc.
In conjunction with Fig. 6, Figure 10, Figure 14, Figure 18 as can be known: be to be connected with the high portion 1 of broken line mode and both walls between the wide bottom 4 of the utility model tire, promptly the cross sectional shape of the wide bottom 4 of tire is a broken line.
In conjunction with Fig. 8, Figure 12, Figure 16 as can be known: be to be connected with the high portion 1 of linear fashion and both walls between the wide bottom 4 of the utility model tire, promptly the cross sectional shape of the wide bottom 4 of tire is a straight line.
In conjunction with Fig. 4, Fig. 5, Fig. 7, Fig. 9, Figure 11, Figure 13, Figure 15, Figure 16, Figure 17 as can be known: spoke mounting part 6 bonded assembly outer edges are to connect and compose with circular arc and both sides external wall portion 5, and promptly spoke outer rim cross section is a circular arc.
In conjunction with Fig. 6, Figure 10, Figure 14, Figure 18 as can be known: spoke mounting part 6 bonded assembly outer edges are to connect and compose with form of straight lines and both sides external wall portion 5, and promptly spoke outer rim cross section is a straight line.
In conjunction with Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 9, Figure 10, Figure 11, Figure 13, Figure 14, Figure 15, Figure 16 as can be known: spoke mounting part 6 bonded assembly inner edge portion are to connect and compose with form of straight lines and both sides external wall portion 5, and promptly spoke inner edge cross section is a straight line.
In conjunction with Fig. 8, Figure 12, Figure 17, Figure 18 as can be known, spoke mounting part 6 bonded assembly inner edge portion are to connect and compose with camber line form and both sides external wall portion 5, and promptly the outer inner edge cross section of spoke is a camber line.Wherein, among Fig. 8, Figure 12, Figure 18 the camber line opening in spoke mounting part inner edge cross section upwards, and the camber line in Figure 17 spoke mounting part inner edge cross section Open Side Down.
Spoke mounting part 6 can be connected with both sides external wall portion 5 according to different requirements, and the cross sectional shape of spoke mounting part 6 also is not limited in camber line, straight line etc., and other shape of the difference in spoke mounting part 6 cross sections all should be listed protection domain of the present utility model in.
Claims (6)
1, a kind of section is the vee-type bicycle rim, and it comprises:
A tyre mounting part can be with mounting of tyre thereon; Described tyre mounting part is captiveed joint with tire bottom width portion by the high portion of two symmetrical wall and is constituted U-shaped, the two ends captive joint limes marginis portion of described U-shaped tyre mounting part;
An annular spoke mounting portion of captiveing joint with tyre mounting part; Described annular spoke mounting part connects and composes ring-type with tire bottom width portion and spoke mounting part respectively by both sides external wall portion;
Wherein, in the described bicycle V shaped wheel circle section, the wall thickness of wheel rim can be ignored with respect to the height of the high portion of wall and the height of external wall portion, and with regard to the wheel rim section, high portion of wall and external wall portion all can be considered line segment;
It is characterized in that: high portion of described wall and described external wall portion in-line, and there are common end points in the high portion of described wall and described external wall portion.
2, a kind of section according to claim 1 is the vee-type bicycle rim, it is characterized in that: the width of any section is 19.7mm, 19mm, 19mm, 23mm, 23mm, 20.3mm, 20.3mm, 20mm, 20mm, 21mm between the both walls height.
3, a kind of section according to claim 1 is the vee-type bicycle rim, it is characterized in that: the width between the both sides limes marginis portion is 13mm, 12mm, 16mm, 13.6mm, 19mm, 15mm.
4, a kind of section according to claim 1 is the vee-type bicycle rim, it is characterized in that: the altitude range of described bicycle rim section is the arbitrary height between the 30mm-42.2mm.
5, be the vee-type bicycle rim according to claim 1,2,3 or 4 described a kind of sections, it is characterized in that: tire bottom width portion cross section can require to be connected with the high portion of both walls with the mode of linearity or circular arc or broken line shape according to difference.
6, be the vee-type bicycle rim according to claim 1,2,3 or 4 described a kind of sections, it is characterized in that: the spoke mounting part cross section can require to be connected with both sides external wall portion with the mode of linearity or circular arc or broken line shape according to difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201403601U CN201366904Y (en) | 2008-11-12 | 2008-11-12 | Bicycle wheel rim with V-shaped cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201403601U CN201366904Y (en) | 2008-11-12 | 2008-11-12 | Bicycle wheel rim with V-shaped cross section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201366904Y true CN201366904Y (en) | 2009-12-23 |
Family
ID=41485803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201403601U Expired - Lifetime CN201366904Y (en) | 2008-11-12 | 2008-11-12 | Bicycle wheel rim with V-shaped cross section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201366904Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554827B (en) * | 2008-11-12 | 2013-01-16 | 昆山亨利金属科技有限公司 | Bicycle rim with V-shaped section |
-
2008
- 2008-11-12 CN CNU2008201403601U patent/CN201366904Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554827B (en) * | 2008-11-12 | 2013-01-16 | 昆山亨利金属科技有限公司 | Bicycle rim with V-shaped section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091223 Effective date of abandoning: 20081112 |
|
| RGAV | Abandon patent right to avoid regrant |