CN112744028A - Bicycle rim with wind-breaking effect, bicycle wheel and bicycle - Google Patents
Bicycle rim with wind-breaking effect, bicycle wheel and bicycle Download PDFInfo
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- CN112744028A CN112744028A CN202011625578.8A CN202011625578A CN112744028A CN 112744028 A CN112744028 A CN 112744028A CN 202011625578 A CN202011625578 A CN 202011625578A CN 112744028 A CN112744028 A CN 112744028A
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- annular
- pit
- bicycle
- wind
- rim
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/12—Appurtenances, e.g. lining bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/06—Rims characterised by means for attaching spokes, i.e. spoke seats
- B60B21/066—Rims characterised by means for attaching spokes, i.e. spoke seats the spoke mounting means being located on a flange oriented radially and formed on the radially inner side of the rim well
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a bicycle rim with a wind-break effect, a bicycle wheel and a bicycle, wherein the bicycle rim is provided with an annular tire mounting part for mounting a tire, an annular spoke mounting part for mounting spokes and two annular side walls fixedly connected with the annular tire mounting part and the annular spoke mounting part; the annular side wall is provided with N pit groups arranged in an annular array, wherein N is a natural number more than 3; this pit crowd includes a plurality of pits, and the pit crowd that a plurality of pits arranged into is highly arranging along first circumference gradually high, and this pit height is highly arranging gradually high along first circumference to promote the broken wind effect of rim through pit crowd. It has the following advantages: during riding, when the rim rotates, wind power can extend along the direction of the pit group and is tightly attached to the side wall surface of the rim, the surface of the rim cannot be separated too early, large terminal turbulence cannot be generated, resistance is greatly reduced, and the wind breaking effect is improved.
Description
Technical Field
The invention relates to the technical field of bicycles, in particular to a bicycle rim with a wind breaking effect, a bicycle wheel and a bicycle.
Background
The prior bicycle rim comprises a stainless steel type rim and a carbon fiber rim. The carbon fiber rim is formed by laminating carbon yarns impregnated with resin into a mold (a shape shaping auxiliary tool in the process of rolling the rim) and then performing high-temperature pressure shaping, curing and forming for a period of time (a process of reacting and shaping the rolled product in a mold cavity at high temperature and high pressure). Referring to fig. 1, the conventional bicycle rim has an annular tire mounting part 1 'for mounting a tire, an annular spoke mounting part 2' for mounting spokes 3 'and two annular side walls 3' for fixing the annular tire mounting part 1 'and the annular spoke mounting part 2', wherein the annular side walls 3 are designed by common curves, such as CN US9770944B2, US20200114680a1, CN104070924A and US9770944B2, and the tail end of wind force can be separated from the rim surface too early when encountering cross wind during riding to generate turbulence, as shown in fig. 1, the resistance is increased.
Disclosure of Invention
The invention provides a bicycle rim with a wind-breaking effect, a bicycle wheel and a bicycle, which overcome the defects of the bicycle rim in the background technology.
One of the technical schemes adopted by the invention for solving the technical problems is as follows: the bicycle rim with the wind breaking effect is provided with an annular tire mounting part for mounting a tire, an annular spoke mounting part for mounting spokes and two annular side walls fixedly connected with the annular tire mounting part and the annular spoke mounting part; the annular side wall is provided with N pit groups arranged in an annular array, wherein N is a natural number more than 3; this pit crowd includes a plurality of pits, and the pit crowd that a plurality of pits arranged into is highly arranging along first circumference gradually high, and this pit height is highly arranging gradually high along first circumference to promote the broken wind effect of rim through pit crowd.
In one embodiment: the pits are arranged in a pit group in a shark fin-like structure.
In one embodiment: the size of a plurality of pits of the pit group is arranged from inside to outside.
In one embodiment: the pit is in a shark fin structure.
In one embodiment: the pit opening is provided with two first smooth curves which are arranged in an inwards concave mode and a second smooth curve which is arranged in an outwards convex mode, one ends of the two first smooth curves are connected, an included angle is formed between the two first smooth curves, and two ends of the second smooth curve are respectively connected with the other ends of the two first smooth curves.
In one embodiment: the annular spoke installation part is provided with N spoke installation parts which are circumferentially and uniformly arranged at intervals, and the N spoke installation parts and the N pit groups are arranged in a one-to-one correspondence manner.
In one embodiment: the annular spoke installation part is integrally arranged in a concave-convex mode in the circumferential direction, the concave-convex direction is arranged in the radial direction, N inner concave parts and N inner convex parts are formed on the inner circumferential wall of the annular spoke installation part, N outer convex parts and N outer concave parts are formed on the outer circumferential wall of the annular spoke installation part, the outer convex parts correspond to the inner concave parts, and the outer concave parts correspond to the inner convex parts; the inner concave part is filled with a reinforcing seat so that the inner peripheral wall of the annular spoke installation part is of a rotary structure, and the position of the spoke installation part corresponds to the inner concave part.
In one embodiment: the concave-convex radian of the whole circumferential concave-convex arrangement of the annular spoke installation part is in smooth transition.
The second technical scheme adopted by the invention for solving the technical problems is as follows: the bicycle wheel comprises N spokes, a hub, a tire and a bicycle rim with a wind breaking effect, wherein one end of each spoke is fixedly arranged on the hub, the other end of each spoke is connected to an annular spoke installation part, and the tire is connected to an annular tire installation part of the bicycle rim.
The third technical scheme adopted by the invention for solving the technical problems is as follows: a bicycle comprising said bicycle wheel.
Compared with the background technology, the technical scheme has the following advantages:
the annular side wall is equipped with the pit crowd, the pit crowd includes a plurality of pits, the pit crowd that a plurality of pits arranged is highly gradually high along first circumference and arranges, the pit highly is highly gradually high along first circumference and arranges, wind-force can extend along pit crowd direction when riding in-process rim rotation, hug closely rim lateral wall surface, can not too early separation rim surface, can not produce great terminal turbulent flow, greatly reduced resistance, promote the broken wind effect, but also can improve the rim pleasing to the eye.
The concave pit group formed by arranging the concave pits is of a shark fin-like structure, or/and the size of the concave pits of the concave pit group is gradually reduced from inside to outside, or/and the concave pits are of a shark fin structure, so that the early separation of the surface of the rim by wind power is further avoided.
The pit opening is provided with two first smooth curves arranged in the concave manner and a second smooth curve arranged in the convex manner, one ends of the two first smooth curves are connected, the included angle is formed between the two first smooth curves, the two ends of the second smooth curve are respectively connected with the other ends of the two first smooth curves, and the wind breaking effect is further improved.
N spoke installation portion and N pit crowd one-to-one arrange, pit crowd and spoke installation portion cooperation further promote the effect of breaking wind.
The unsmooth arrangement of cyclic annular spoke installation department internal perisporium circumference, concave part department is filled up the reinforcement seat so that cyclic annular spoke installation department internal perisporium is revolution structure, the position at spoke installation department corresponds concave part in, on the one hand, through the solid dress intensity of reinforcing structure reinforcing between spoke and the rim, on the other hand, make cyclic annular spoke installation department internal perisporium be revolution structure through the reinforcement seat, the peaceful degree of cyclic annular spoke installation department internal perisporium has been improved, avoid the spoke to be kicked, increase the rim aesthetic feeling, can promote broken wind effect.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a schematic view of a bicycle rim in the background art in the presence of wind.
FIG. 2 is a schematic structural view of a bicycle rim in accordance with an embodiment.
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.
FIG. 4 is a schematic view of an embodiment of a bicycle rim in the presence of wind.
Detailed Description
Referring to fig. 2 to 4, the bicycle rim with a wind-breaking effect has an annular tire mounting part 1 for mounting a tire, an annular spoke mounting part 2 for mounting spokes, and two annular side walls 3 fixedly connected to the annular tire mounting part 1 and the annular spoke mounting part 2, wherein N spoke mounting parts are arranged on the annular spoke mounting part 2 at uniform intervals in the circumferential direction, N annular array-arranged pit groups 31 are arranged on the annular side wall 3, the N spoke mounting parts and the N pit groups 31 are arranged in a one-to-one correspondence, and N is a natural number greater than 3; the dimple group 31 includes a plurality of dimples 311, the dimples 311 are arranged such that the dimple group 31 is arranged with a height gradually higher along the first circumferential direction, and the dimples 311 are arranged such that the dimple group 31 is formed in a shark fin structure; this pit 311 height is highly arranging gradually highly along first circumference to promote the broken wind effect of rim through pit crowd 31, among the concrete structure, the size of a plurality of pits 311 of this pit crowd 31 is arranged from inside to outside gradually for a short time, and this pit 311 is shark fin structure.
The annular spoke installation part 2 is integrally arranged in a concave-convex mode along the circumferential direction, N inner concave parts and N inner convex parts are formed on the inner circumferential wall of the annular spoke installation part, N outer convex parts and N outer concave parts are formed on the outer circumferential wall of the annular spoke installation part, the outer convex parts correspond to the inner concave parts, and the outer concave parts correspond to the inner convex parts; the inner concave part is filled with a reinforcing seat so that the inner peripheral wall of the annular spoke mounting part is of a rotary structure, the position of the spoke mounting part corresponds to the inner concave part, the spoke mounting part comprises spoke mounting holes, the spoke mounting holes correspond to the inner concave part, the outer convex part and the reinforcing seat, and the thickness of the reinforcing seat is greater than the depth of the spoke mounting holes; the annular spoke installation part 2 is smooth in transition of concave-convex radian in the circumferential concave-convex arrangement.
The bicycle wheel comprises N spokes, a hub, a tire and a bicycle rim, wherein one end of each spoke is fixedly arranged on the hub, the other end of each spoke is locked in a spoke mounting hole, and the tire is mounted on an annular tire mounting part of the bicycle rim.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. The bicycle rim with the wind breaking effect is provided with an annular tire mounting part for mounting a tire, an annular spoke mounting part for mounting spokes and two annular side walls fixedly connected with the annular tire mounting part and the annular spoke mounting part; the method is characterized in that: the annular side wall is provided with N pit groups arranged in an annular array, wherein N is a natural number more than 3; this pit crowd includes a plurality of pits, and the pit crowd that a plurality of pits arranged into is highly arranging along first circumference gradually high, and this pit height is highly arranging gradually high along first circumference to promote the broken wind effect of rim through pit crowd.
2. The bicycle wheel rim with wind-break effect as claimed in claim 1, wherein: the pits are arranged in a pit group in a shark fin-like structure.
3. The bicycle wheel rim with wind-break effect as claimed in claim 1, wherein: the size of a plurality of pits of the pit group is arranged from inside to outside.
4. The bicycle wheel rim with wind-break effect as claimed in claim 1, wherein: the pit is in a shark fin structure.
5. The bicycle wheel rim with wind-break effect as claimed in claim 1, wherein: the pit opening is provided with two first smooth curves which are arranged in an inwards concave mode and a second smooth curve which is arranged in an outwards convex mode, one ends of the two first smooth curves are connected, an included angle is formed between the two first smooth curves, and two ends of the second smooth curve are respectively connected with the other ends of the two first smooth curves.
6. The bicycle wheel rim with wind-break effect as claimed in claim 1, wherein: the annular spoke installation part is provided with N spoke installation parts which are circumferentially and uniformly arranged at intervals, and the N spoke installation parts and the N pit groups are arranged in a one-to-one correspondence manner.
7. The bicycle wheel rim with wind-break effect as claimed in claim 1, wherein: the annular spoke installation part is integrally arranged in a concave-convex mode in the circumferential direction, the concave-convex direction is arranged in the radial direction, N inner concave parts and N inner convex parts are formed on the inner circumferential wall of the annular spoke installation part, N outer convex parts and N outer concave parts are formed on the outer circumferential wall of the annular spoke installation part, the outer convex parts correspond to the inner concave parts, and the outer concave parts correspond to the inner convex parts; the inner concave part is filled with a reinforcing seat so that the inner peripheral wall of the annular spoke installation part is of a rotary structure, and the position of the spoke installation part corresponds to the inner concave part.
8. The wind break bicycle rim of claim 7, wherein: the concave-convex radian of the whole circumferential concave-convex arrangement of the annular spoke installation part is in smooth transition.
9. Bicycle wheel, including N spoke, a flower-drum and a tire, its characterized in that: further comprising a bicycle rim with a wind-break effect according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, wherein one end of the spoke is fixedly arranged on the hub, the other end of the spoke is connected to the annular spoke mounting part, and the tire is connected to the annular tire mounting part of the bicycle rim.
10. Bicycle, its characterized in that: comprising a bicycle wheel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625578.8A CN112744028A (en) | 2020-12-31 | 2020-12-31 | Bicycle rim with wind-breaking effect, bicycle wheel and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625578.8A CN112744028A (en) | 2020-12-31 | 2020-12-31 | Bicycle rim with wind-breaking effect, bicycle wheel and bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112744028A true CN112744028A (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011625578.8A Pending CN112744028A (en) | 2020-12-31 | 2020-12-31 | Bicycle rim with wind-breaking effect, bicycle wheel and bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112744028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117301761A (en) * | 2023-11-01 | 2023-12-29 | 广州应凯路科技有限公司 | Bicycle wheel with improved rim |
-
2020
- 2020-12-31 CN CN202011625578.8A patent/CN112744028A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117301761A (en) * | 2023-11-01 | 2023-12-29 | 广州应凯路科技有限公司 | Bicycle wheel with improved rim |
| CN117301761B (en) * | 2023-11-01 | 2024-04-26 | 广州应凯路科技有限公司 | Bicycle wheel with improved rim |
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