CN221187961U - Novel carbon fiber dish wheel - Google Patents
Novel carbon fiber dish wheel Download PDFInfo
- Publication number
- CN221187961U CN221187961U CN202323397842.9U CN202323397842U CN221187961U CN 221187961 U CN221187961 U CN 221187961U CN 202323397842 U CN202323397842 U CN 202323397842U CN 221187961 U CN221187961 U CN 221187961U
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- China
- Prior art keywords
- carbon fiber
- discs
- connecting piece
- disc
- ribs
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 41
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 41
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 19
- 239000006260 foam Substances 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 5
- 230000008093 supporting effect Effects 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229920007790 polymethacrylimide foam Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a novel carbon fiber disc wheel, which comprises two discs, a wheel rim, a hub and a plurality of groups of reinforcing rib assemblies, wherein the wheel rim is clamped and fixed between the two discs, the hub is fixedly penetrated in the middle of the two discs, the reinforcing rib assemblies comprise two ribs and a connecting piece, the two ribs are respectively and correspondingly fixed on the inner side surfaces of the two discs, the connecting piece is respectively provided with a connecting groove corresponding to the two ribs, and the connecting piece is respectively clamped and fixed with the two ribs through the connecting grooves and is connected and fixed with the inner side surfaces of the two discs. According to the carbon fiber disc wheel, the reinforcing rib component is additionally arranged between the two discs to be in supporting connection, and the reinforcing rib component adopts the design of the connecting piece and the two ribs, so that the strength of the disc position in the disc wheel can be effectively enhanced, the deformation is reduced, the deformation of the discs in the riding process is reduced, the resistance is reduced, and the risk of deformation and damage of the discs is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of bicycle disc wheels, in particular to a novel carbon fiber disc wheel.
Background
The disc wheel is usually used for racing bicycles, the existing disc wheel generally comprises two discs, a rim and a hub, the rim is clamped and fixed between the two discs, the hub penetrates through and is fixed in the middle of the two discs, the discs are hollow and connected only through the rim and the hub, so that the disc is not enough in rigidity, easy to deform, increase in resistance and even break in the riding process.
In view of this, the present inventors have discovered a novel carbon fiber dish wheel.
Disclosure of utility model
The utility model aims to provide a novel carbon fiber disc wheel capable of effectively increasing the position strength of discs in the disc wheel.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel carbon fiber dish wheel, includes two discs, a wheel rim, a flower drum and multiunit strengthening rib subassembly, the wheel rim presss from both sides to be established and is fixed in between two discs, the flower drum runs through the middle part that is fixed in two discs, the strengthening rib subassembly includes two ribs and a connecting piece, two ribs correspond respectively and are fixed in the medial surface of two discs, the connecting piece corresponds two ribs and is equipped with a spread groove respectively, the connecting piece passes through the spread groove respectively with two ribs block fixed and be connected fixedly with the medial surface of two discs.
Further, the cross section of the connecting piece is H-shaped, and the connecting piece is of a carbon fiber integrated structure.
Further, the connecting piece is a carbon fiber connecting piece, and the rib comprises inner foam plastic and a carbon fiber layer wrapping the periphery of the foam plastic.
Further, the two sides of the carbon fiber layer are provided with extension parts which are attached to the inner side surfaces of the discs in an extending mode.
Further, the foam plastic is PMI, and the density of the foam plastic is 0.03-0.3g/cm 3.
Further, in the reinforcing rib assembly, the first rib, the first disc and the connecting piece are of an integrated structure, the second rib and the second disc are of an integrated structure, and the second rib and the connecting piece are adhered and fixed through glue.
Furthermore, the connecting piece, the disc and the ribs are all of independent forming structures, and the connecting piece, the disc and the ribs are fixed through glue adhesion.
Further, the ribs extend radially from the center of the disk to the periphery of the disk, and the plurality of groups of reinforcing rib assemblies are distributed radially.
Further, the reinforcing rib assemblies are uniformly arranged along the circumferential direction of the disc wheel.
Further, the middle part of first video disc is equipped with the first through-hole of assembly flower-drum, and first through-hole towards inboard extension be equipped with first snap ring, and the middle part of second video disc is equipped with the second through-hole, and the second through-hole towards inboard extension be equipped with the second snap ring, the second snap ring can correspond the block in the periphery of first snap ring.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
According to the carbon fiber disc wheel, the reinforcing rib component is additionally arranged between the two discs to be in supporting connection, and the reinforcing rib component adopts the design of the connecting piece and the two ribs, so that the strength of the disc position in the disc wheel can be effectively enhanced, the deformation is reduced, the deformation of the discs in the riding process is reduced, the resistance is reduced, and the risk of deformation and damage of the discs is effectively reduced.
Drawings
FIG. 1 is a perspective view of a carbon fiber disk wheel according to an embodiment of the present utility model;
FIG. 2 is a side view of a carbon fiber dish wheel according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a carbon fiber disk wheel according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a stiffener assembly according to an embodiment of the present utility model;
Fig. 5 is a rear cross-sectional view of the middle part of the disc wheel with the hub removed according to the embodiment of the present utility model.
Reference numerals illustrate:
10-a disc having a disc-shaped structure,
11-A first clamping ring, 12-a second clamping ring,
A 20-wheel rim, wherein the wheel rim,
30-The flower-drum is used for carrying out the process,
A 40-reinforcing bar assembly, which is arranged on the upper surface of the steel plate,
41-Ribs, 411-foam, 412-carbon fiber layer,
42-Connecting piece, 421-connecting groove,
43-Extension.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.
Examples
Referring to fig. 1 to 5, the utility model discloses a novel carbon fiber disc wheel, which comprises two discs 10, a rim 20, a hub 30 and a plurality of groups of reinforcing rib assemblies 40, wherein the rim 20 is clamped and fixed between the two discs 10, the hub 30 penetrates through and is fixed in the middle of the two discs 10, the reinforcing rib assemblies 40 comprise two ribs 41 and a connecting piece 42, the two ribs 41 are respectively and correspondingly fixed on the inner side surfaces of the two discs 10, the connecting piece 42 is respectively and correspondingly provided with a connecting groove 421 corresponding to the two ribs 41, and the connecting piece 42 is respectively clamped and fixed with the two ribs 41 through the connecting grooves 421 and is connected and fixed with the inner side surfaces of the two discs 10.
The peripheral outline of the two discs 10 is circular, the two discs 10 are made of carbon fibers, the rim 20 is preferably a carbon fiber rim 20 which is clamped and fixed between the two discs 10, the peripheral side wall of the rim 20 is provided with an annular groove for installing a tire, the center position of the two discs 10 is provided with an assembly hole for installing a hub 30, the hub 30 passes through the assembly holes of the two discs 10 and is fixed, and a closed inner cavity is formed between the two discs 10.
The reinforcing rib assemblies 40 are disposed in the inner cavity between the two discs 10, are fixed to the inner sides of the two discs 10, and support the two discs 10, and in order to ensure strength, the number of the reinforcing rib assemblies 40 can be multiple groups, and can be flexibly selected according to actual requirements, so that the reinforcing rib assemblies are not limited.
The set of reinforcing rib assemblies 40 includes two ribs 41 and a connecting member 42, the two ribs 41 are respectively fixed on the inner side surfaces of the two discs 10, and the two ribs 41 are correspondingly arranged. The two sides of the connecting piece 42 are provided with connecting grooves 421 respectively matched with the two ribs 41, the connecting piece 42 is respectively clamped and fixed with the two ribs 41 through the two connecting grooves 421, and meanwhile, the connecting piece 42 is also connected and fixed with the inner side surfaces of the two discs 10.
The reinforcing rib assembly 40 formed by the connecting piece 42 and the two ribs 41 is used for connecting and supporting the two discs 10, so that the strength of the positions of the discs 10 in the disc wheel can be effectively enhanced, the deformation is reduced, the strength of the positions of the corresponding inner cavities of the discs 10 is effectively enhanced, the deformation of the discs 10 in the riding process is reduced, the resistance is reduced, and the risk of deformation and damage of the discs 10 can be effectively reduced.
In this embodiment, the cross section of the connecting member 42 is H-shaped, and the connecting member 42 is a carbon fiber integrally formed structure. The upper and lower grooves of the H-shaped connecting member 42 form the two connecting grooves 421, and the connecting member 42 is integrally formed by carbon fiber, so that the connecting member has good integrity, high strength and light weight, and is fixedly connected with the two discs 10, so that the supporting effect on the discs 10 is better.
Wherein, the connecting piece 42, the disk 10 and the rib 41 can be respectively and independently formed, and the rib 41, the connecting piece 42 and the disk 10 are mutually adhered and fixed by glue after forming; or the connecting piece 42 is independently formed, the rib 41 and the corresponding fixed disk 10 are independently formed, and then the connecting piece 42, the disk 10 and the rib 41 are adhered and fixed by glue; or the connecting piece 42 is integrally formed with one of the discs 10 and the ribs 41, and then is adhered and fixed with the other rib 41 and the disc 10 by glue.
In this embodiment, in the stiffener assembly 40, the first rib, the first disc, and the connecting piece 42 are integrally formed, the second rib and the second disc are integrally formed, and the second rib and the connecting piece are adhered and fixed by glue. In the reinforcing rib assembly 40, the connecting piece 42 is integrally formed with one of the discs 10 and the rib 41, the other rib 41 is integrally formed with the other disc 10, and finally the connecting piece 42 is adhered and fixed with the other rib 41 and the other disc 10 by glue. The above mentioned sticky glues are all low temperature structural glues.
The rib 41 includes an inner foam 411 and a carbon fiber layer 412 wrapped around the foam 411. The rib 41 adopts the above structural design, and the filling foam plastic 411 makes the rib 41 be solid structure, the strength is ensured, and the weight is greatly reduced and the cost is lower compared with the whole solid carbon fiber rib 41. The foam plastic 411 is preferably PMI (polymethacrylimide), namely polymethacrylimide foam, and the PMI is a novel high-molecular structure foam material with optimal comprehensive performance at present, and has the characteristics of light weight, high strength, high/low temperature resistance and the like. Wherein the density of the foam 411 is 0.03-0.3g/cm3, preferably the density of the foam 411 is 0.05-0.2g/cm3.
As shown in fig. 4, the carbon fiber layer 412 has two extending portions 43 extending from both sides thereof to be bonded to the inner surface of the disk 10. When the rib 41 and the disc 10 are integrally formed, the carbon fiber layer 412 wraps the rib 41, and simultaneously extends out of the extension portions 43 at two sides of the rib 41, the extension portions 43 are attached to the inner side of the disc 10, and then the rib 41 and the disc 10 are integrally formed by putting into a mold, so that the rib 41 and the disc 10 are more firmly connected. When the connecting piece 42, the rib 41 and the disk 10 are integrally formed, one connecting groove 421 of the H-shaped connecting piece 42 wraps the periphery of the rib 41, the extending part 43 of the carbon fiber layer 412 of the rib 41 is attached to the inner side surface of the disk 10, and then the connecting piece 42, the rib 41 and the disk 10 are integrally formed by putting the connecting piece into a mold.
In this embodiment, the ribs 41 extend radially from the center of the disk 10 to the periphery of the disk 10, and the plurality of sets of rib assemblies 40 are radially distributed. The number of the reinforcing rib assemblies 40 is 3-16, the number of the reinforcing rib assemblies 40 is not too much, otherwise the cost is higher and the weight of the whole disc wheel is larger, but not too little, otherwise the supporting effect on the disc 10 is insufficient, preferably, the number of the reinforcing rib assemblies 40 is 3, 4, 5, 6 or 8, and the reinforcing rib assemblies 40 are uniformly arranged along the circumferential direction of the disc wheel, namely, the included angles between the adjacent two groups of reinforcing rib assemblies 40 are equal.
In this embodiment, as shown in fig. 5, a first through hole for assembling the hub 30 is provided in the middle of the first disc, a first snap ring 11 is provided in the first through hole extending towards the inner side, a second through hole is provided in the middle of the second disc, a second snap ring 12 is provided in the second through hole extending towards the inner side, and the second snap ring 12 may be correspondingly engaged with the outer periphery of the first snap ring 11. That is, the two discs 10 are clamped and fixed by the first clamping ring 11 and the second clamping ring 12, and then the hub 30 is installed in the first through hole, so that the first clamping ring 11 and the second clamping ring 12 are correspondingly clamped at the periphery of the hub 30, and the rigidity of the middle part of the disc wheel can be effectively enhanced by the design of the first clamping ring 11 and the second clamping ring 12, so that the strength of the disc wheel is effectively enhanced.
The following is a set of rigidity comparison experiments, the used disc wheels are respectively the existing disc wheels (without the reinforcing ribs), the disc wheels of the application (with four groups of reinforcing rib assemblies 40 arranged inside), meanwhile, the total weight of the existing disc wheels and the disc wheels of the application in the experiments is kept consistent, the two disc wheels are respectively pressed from the side, and the deformation amounts of the two disc wheels are measured, so that the following results are obtained:
| Lateral pressure, unit N | Existing disc wheel deformation A, unit mm | The disk wheel deformation B of the application is in mm | Rigidity improvement ratio (A-B)/A |
| 50 | 1.8 | 0.69 | 61.7% |
| 100 | 4.49 | 1.88 | 58.1% |
As shown by experimental results, the rigidity of the reinforced rib component of the disc wheel is greatly increased after the reinforced rib component is designed.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a novel carbon fiber dish wheel which characterized in that: the wheel rim is clamped between and fixed to the two discs, the hub penetrates through and is fixed to the middle of the two discs, the reinforcing rib assembly comprises two ribs and a connecting piece, the two ribs are respectively and correspondingly fixed to the inner side faces of the two discs, the connecting piece is respectively provided with a connecting groove corresponding to the two ribs, and the connecting piece is respectively and fixedly clamped with the two ribs through the connecting grooves and is connected with the inner side faces of the two discs.
2. A novel carbon fiber dish wheel as claimed in claim 1, wherein: the cross section of the connecting piece is H-shaped, and the connecting piece is of a carbon fiber integrated structure.
3. A novel carbon fiber dish wheel as claimed in claim 1, wherein: the connecting piece is a carbon fiber connecting piece, and the rib comprises internal foam plastic and a carbon fiber layer wrapping the periphery of the foam plastic.
4. A novel carbon fiber dish wheel as claimed in claim 3, wherein: the extension parts attached to the inner side surfaces of the discs are arranged on the two sides of the carbon fiber layer in an extending mode.
5. A novel carbon fiber dish wheel as claimed in claim 3, wherein: the foam plastic is PMI, and the density of the foam plastic is 0.03-0.3g/cm 3.
6. A novel carbon fiber dish wheel as claimed in any one of claims 1 to 5, wherein: in the reinforcing rib assembly, the first rib, the first disc and the connecting piece are of an integrated structure, the second rib and the second disc are of an integrated structure, and the second rib and the connecting piece are fixed through glue adhesion.
7. A novel carbon fiber dish wheel as claimed in any one of claims 1 to 5, wherein: the connecting piece, the disc and the ribs are all of independent forming structures, and are fixed through glue adhesion.
8. A novel carbon fiber dish wheel as claimed in claim 1, wherein: the ribs extend radially from the center of the disc to the periphery of the disc, and a plurality of groups of reinforcing rib assemblies are distributed radially.
9. A novel carbon fiber dish wheel as claimed in claim 8, wherein: the reinforcing rib assemblies are uniformly arranged along the circumferential direction of the disc wheel.
10. A novel carbon fiber dish wheel as claimed in claim 1, wherein: the middle part of first video disc is equipped with the first through-hole of assembly flower-drum, and first through-hole towards inboard extension is equipped with first snap ring, and the middle part of second video disc is equipped with the second through-hole, and the second through-hole towards inboard extension is equipped with the second snap ring, the second snap ring can correspond the block in the periphery of first snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397842.9U CN221187961U (en) | 2023-12-13 | 2023-12-13 | Novel carbon fiber dish wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397842.9U CN221187961U (en) | 2023-12-13 | 2023-12-13 | Novel carbon fiber dish wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221187961U true CN221187961U (en) | 2024-06-21 |
Family
ID=91493136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323397842.9U Active CN221187961U (en) | 2023-12-13 | 2023-12-13 | Novel carbon fiber dish wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221187961U (en) |
-
2023
- 2023-12-13 CN CN202323397842.9U patent/CN221187961U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |