CN217022048U - Integral spoke assembly with metal insert and wheel - Google Patents
Integral spoke assembly with metal insert and wheel Download PDFInfo
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- CN217022048U CN217022048U CN202220677203.4U CN202220677203U CN217022048U CN 217022048 U CN217022048 U CN 217022048U CN 202220677203 U CN202220677203 U CN 202220677203U CN 217022048 U CN217022048 U CN 217022048U
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- metal insert
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Abstract
The utility model discloses an integral spoke assembly with a metal insert, which comprises a plurality of carbon fiber spokes, a plurality of metal insert pieces and a plurality of metal insert pieces, wherein the carbon fiber spokes are uniformly distributed along the circumference; the fixing and connecting ring is annular, the center of the fixing and connecting ring is a through hole, and the fixing and connecting ring is made of carbon fiber materials and is integrally formed in the middle of the carbon fiber spoke; and the metal insert is embedded in the inner side wall of the through hole of the fixed connection ring. The utility model also discloses a wheel, which comprises a hub, a rim, two groups of integral spoke assemblies with metal inserts and two groups of cover bodies; the hub is positioned in the center of the rim and comprises a hub main body and a flange, the inner end of the flange is provided with an insert connecting part, and the outer end of the flange is provided with a cover body connecting part; the metal insert is sleeved on the insert connecting part, and the cover body is sleeved and fixed on the cover body connecting part and compresses the metal insert; the end part of the carbon fiber spoke is fixedly connected to the rim through a spoke cap. According to the utility model, the metal insert is arranged, so that the metal insert is matched with the hub, the connection strength of the carbon fiber spoke and the hub is improved, and the service life of the spoke is prolonged.
Description
Technical Field
The utility model relates to a bicycle wheel, in particular to an integrated spoke assembly with a metal insert and a wheel applying the integrated spoke assembly.
Background
The carbon fiber spokes of the existing bicycle wheel are fixed on a hub through bonding or pin or bolt connection, and because the carbon fiber spokes are made of carbon fiber materials, when the carbon fiber materials are fixed with the hub made of metal materials, if the carbon fiber spokes are fixed with the hub made of metal materials through a bonding mode, the bonding strength depends on the connection strength of glue, and the hub is not convenient to disassemble and replace; if the carbon fiber spokes are connected through pins or bolts, holes are inevitably drilled in the carbon fiber spokes, so that the spokes are damaged to a certain degree, and the connection strength is lowered.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to provide an integral spoke assembly with a metal insert, so as to improve the connection strength of the spoke; the utility model also aims to provide the wheel which is convenient to install and long in service life. In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model discloses an integral spoke assembly with a metal insert, which comprises a plurality of carbon fiber spokes, a plurality of metal plates and a plurality of metal plates, wherein the carbon fiber spokes are uniformly distributed along the circumference; the fixing and connecting ring is annular, the center of the fixing and connecting ring is a through hole, and the fixing and connecting ring is made of carbon fiber materials and is integrally formed in the middle of the carbon fiber spoke; and the metal insert is embedded in the inner side wall of the through hole of the fixed connection ring.
Preferably, the metal insert comprises an insert main body, a connecting portion protrudes out of the outer wall of the insert main body, a rotation stopping groove is formed in the inner wall of the insert main body, and the connecting portion is embedded and integrally formed in the inner side wall of the through hole of the fixing ring.
Preferably, the insert main body is annular, and the rotation stopping groove is a toothed groove continuously arranged along the circumference.
In one embodiment, the carbon fiber spokes are short spokes, one end of each carbon fiber spoke is connected to the fixing ring, and the other end of each carbon fiber spoke is used for being connected with the rim.
In another embodiment, the carbon fiber spokes are long spokes, each of the carbon fiber spokes includes two connecting sections and a middle section, one end of each of the two connecting sections is connected with the middle section, the other end of each of the two connecting sections is connected with the rim, the middle sections of all the carbon fiber spokes are mutually overlapped to form a polygon, and the mutually overlapped parts of the middle sections are fixedly connected with the fixing ring.
The utility model also discloses a wheel, which comprises a hub, a rim, two groups of integral spoke assemblies with the metal inserts and two groups of cover bodies; the hub is positioned in the center of the rim and comprises a hub main body and flanges positioned at two ends of the hub main body, the inner ends of the flanges are provided with insert connecting parts, and the outer ends of the flanges are provided with cover body connecting parts; the metal embedded part is sleeved on the embedded part connecting part, and the cover body is sleeved and fixed on the cover body connecting part and compresses the metal embedded part; the end part of the carbon fiber spoke is fixedly connected to the rim through a spoke cap.
Furthermore, the metal insert comprises an annular insert main body, wherein the inner wall of the insert main body is provided with a rotation stopping groove, and the rotation stopping groove is a tooth-shaped groove which is continuously arranged along the circumference; the insert connecting part of the flange is a tooth-shaped boss continuously arranged along the outer circumference of the flange, and the tooth-shaped groove is connected with the tooth-shaped boss in a matched manner.
Preferably, the cover body connecting part is provided with an external thread, the inner wall of the cover body is provided with an internal thread, and the cover body is in threaded connection with the cover body connecting part.
In another embodiment, the cover is adhesively secured to the cover attachment portion.
Preferably, the two groups of integrated spoke assemblies with the metal inserts are arranged in a staggered mode along the circumference, so that the ends of all the spokes are evenly distributed on the circumference.
Due to the adoption of the structure, the utility model has the following beneficial effects:
1. according to the utility model, the metal insert is arranged, so that the metal insert is matched with the hub, the connection strength of the carbon fiber spoke and the hub is improved, and the service life of the spoke is prolonged.
2. The rotation stopping groove is arranged in the metal insert, the axial rotation preventing effect is achieved, the rotation stopping groove is provided with the tooth-shaped groove, the rotation stopping effect is better, and the installation angle of the rotation stopping groove is accurately adjusted.
Drawings
Fig. 1 is an exploded view of the first embodiment.
Fig. 2 is a schematic view of the connection of the short spokes to the fastening ring when the carbon fiber spokes are short spokes.
FIG. 3 is a schematic view of the forming process of the integrated spoke assembly when the carbon fiber spokes are long spokes.
Fig. 4 is a schematic structural diagram of the second embodiment.
Fig. 5 is an exploded schematic view of fig. 4.
FIG. 6 is a schematic front view of the connection of the carbon fiber spokes to the hub of FIG. 6.
Fig. 7 is a partial schematic view of section a-a of fig. 6.
Fig. 8 is a schematic structural view of the hub.
Fig. 9 is a B-direction diagram of fig. 8.
Description of the main component symbols:
1: carbon fiber spoke, 1A: short spokes, 1B: long spokes, 11: connecting section, 12: middle segment, 2: fastening ring, 21: through hole, 3: metal insert, 31: insert body, 32: connection portion, 33: rotation stopping groove, 4: hub, 41: hub main body, 42: flange, 421: insert connecting part, 422: lid body connecting portion, 5: rim, 6: lid, 7: spoke cap 100: .
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings and specific embodiments.
Example one
As shown in FIG. 1, the utility model discloses an integral spoke assembly with a metal insert, which comprises a plurality of carbon fiber spokes 1, a fixing ring 2 and a metal insert 3.
The carbon fiber spokes 1 are uniformly distributed along the circumference. The fixing ring 2 is annular, the center of the fixing ring is a through hole 21, and the fixing ring 2 is made of carbon fiber material and is integrally formed in the middle of the carbon fiber spoke 1. The metal insert 3 is embedded in the inner side wall of the through hole 21 of the fixing ring 2.
The carbon fiber spoke 1 and the fixed connection ring 2 can be connected in two forms:
1. as shown in fig. 2, the carbon fiber spoke 1 is a short spoke 1A, one end of the short spoke 11 is connected to the fixing ring 2, and the other end is used for connecting with the rim 5. In this case, the fastening ring 2 is preformed by carbon fiber sand, and then one end of the short spokes 11 is inserted into the fastening ring 2 and is fastened by heating, so that the short spokes 11 and the fastening ring 2 are integrally formed.
2. As shown in fig. 3, the carbon fiber spoke 1 is a long spoke 1B, and fig. 3 illustrates the forming process of the integrated spoke assembly from top to bottom. Each long spoke 1B comprises two connecting sections 11 and a middle section 12, one end of each connecting section 11 is connected with the middle section 12, the other end of each connecting section is connected with the rim 5, the middle sections 12 of all the long spokes 1B are mutually overlapped to form a polygon, the middle sections 12 are fixedly connected at the mutually overlapped positions, the middle sections 12 form a fixing ring 2 by winding carbon fiber yarns, and then the whole is heated and cured to integrally form the long spokes 1B and the fixing ring 2.
As shown in fig. 1, the metal insert 3 includes an insert body 31, a connecting portion 32 protruding from an outer wall of the insert body 31, and a rotation stopping groove 33 formed in an inner wall of the insert body 31. The material of the metal insert 3 may be a metal material such as copper, copper alloy, stainless steel, or the like. The insert body 31 has a circular ring shape, and the rotation stopping groove 33 in this embodiment is a tooth-shaped groove provided continuously along the circumference. In other embodiments, the rotation stopping groove 33 may be in other special shapes, and only after the metal insert 3 and the hub 4 are matched in the same shape, the metal insert 3 cannot rotate in the axial direction of the hub 4, that is, the rotation stopping groove 33 plays a role in preventing the rotation in the axial direction. The anti-rotation slot 33 of the present embodiment has a tooth shape, so that the anti-rotation effect is better, and the installation angle of the anti-rotation slot can be precisely adjusted. The connecting portion 32 is embedded and integrally formed on the inner side wall of the through hole of the fastening ring 2, as shown in fig. 7.
Example two
As shown in fig. 4-7, the present embodiment discloses a wheel, which comprises a hub 4, a rim 5, two sets of integrated spoke assemblies with metal inserts, and two sets of covers 6. The integral spoke component with the metal insert is of the structure described in the first embodiment.
Referring to fig. 8 and 9, the hub 4 is located at the center of the rim 5, and the hub 4 includes a hub main body 41 and flanges 42 located at both ends of the hub main body 41. The inner end of the flange 42 is provided with an insert connecting part 421, and the outer end of the flange 42 is provided with a cover connecting part 422.
As shown in fig. 7, the metal insert 3 is fitted to the insert connecting portion 421, and the lid 6 is fitted and fixed to the lid connecting portion 422 and presses the metal insert 3. The method comprises the following specific steps: the rotation stopping groove 33 of the metal insert 3 is a toothed groove continuously arranged along the circumference, the insert connecting part 421 of the flange 42 is a toothed boss continuously arranged along the circumference of the flange, and the toothed groove is connected with the toothed boss in a matching way. Be provided with the external screw thread on lid connecting portion 422, 6 inner walls of lid are provided with the internal thread, and lid 6 threaded connection is to lid connecting portion 422 on. In other embodiments, the cover 6 may be directly bonded and fixed to the cover connection portion 422.
The end part of the carbon fiber spoke 1 is fixedly connected to the rim 5 through a spoke cap 7.
As shown in FIG. 6, the two sets of metal insert integrated spoke components are staggered along the circumference. In the figure, the solid line part is the same group of spoke assemblies positioned on one side, the dotted line part is the same group of spoke assemblies positioned on the other side, and the two groups of spoke assemblies are staggered, so that the carbon fiber spokes of one group of spoke assemblies and the carbon fiber spokes of the other group of spoke assemblies are spaced one by one in the circumferential direction, and the circumferences of the ends of all the carbon fiber spokes 1 are equally divided. The ends of all the carbon fiber spokes 1 of this embodiment divide the circumference equally into 20 equal parts. Through the arrangement, the carbon fiber spokes 1 can uniformly pull the hub 4, so that the stress model is met, and the service life of the hub 4 is prolonged.
The installation process of this embodiment is described in detail below.
(1) The middle part of the integrated spoke component with the metal insert is sleeved on the hub main body 2, so that the rotation stopping groove 33 of the metal insert 3 is arranged on the insert connecting part 421 for positioning.
(2) The lid 4 is screwed to the lid attachment portion 422.
(3) And (3) repeating the steps (1) and (2), installing another group of integral spoke assemblies with metal inserts on the other side of the hub 4, and adjusting the matching angle of the tooth-shaped grooves and the tooth-shaped bosses during installation to enable the two groups of spoke assemblies to be arranged in a staggered mode.
(4) The rim 5 and the end part of the carbon fiber spoke 1 are connected and fixed through a spoke cap 7.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a take metal insert's integral spoke subassembly which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a plurality of carbon fiber spokes are uniformly distributed along the circumference;
the fixing and connecting ring is annular, the center of the fixing and connecting ring is a through hole, and the fixing and connecting ring is made of carbon fiber materials and is integrally formed in the middle of the carbon fiber spoke;
and the metal insert is embedded in the inner side wall of the through hole of the fixed connection ring.
2. The one-piece spoke assembly with metal insert of claim 1, wherein: the metal insert comprises an insert main body, a connecting portion protrudes out of the outer wall of the insert main body, a rotation stopping groove is formed in the inner wall of the insert main body, and the connecting portion is embedded and integrally formed in the inner side wall of the through hole of the fixing ring.
3. The one-piece spoke assembly with metal insert of claim 2, wherein: the insert main body is in a ring shape, and the rotation stopping groove is a tooth-shaped groove which is continuously arranged along the circumference.
4. The one-piece spoke assembly with the metal insert as claimed in any one of claims 1 to 3, wherein: the carbon fiber spokes are short spokes, one ends of the carbon fiber spokes are connected to the fixing ring, and the other ends of the carbon fiber spokes are used for being connected with the rim.
5. The one-piece spoke assembly with the metal insert as claimed in any one of claims 1 to 3, wherein: the carbon fiber spokes are long spokes, each carbon fiber spoke comprises two connecting sections and a middle section, one ends of the two connecting sections are connected with the middle section, the other ends of the two connecting sections are connected with the rim, the middle sections of all the carbon fiber spokes are mutually overlapped to form a polygon, and the mutually overlapped parts of the middle sections are fixedly connected with the fixedly connected rings.
6. A wheel, characterized by: the wheel hub comprises a hub, a rim, two sets of integral spoke assemblies with metal inserts and two sets of cover bodies, wherein the integral spoke assemblies with the metal inserts are as claimed in any one of claims 1 to 5;
the hub is positioned in the center of the rim and comprises a hub main body and flanges positioned at two ends of the hub main body, the inner ends of the flanges are provided with insert connecting parts, and the outer ends of the flanges are provided with cover body connecting parts; the metal embedded piece is sleeved on the embedded piece connecting part, and the cover body is sleeved and fixed on the cover body connecting part and compresses the metal embedded piece; the end part of the carbon fiber spoke is fixedly connected to the rim through a spoke cap.
7. The wheel according to claim 6, wherein: the metal insert comprises an annular insert body, the inner wall of the insert body is provided with a rotation stopping groove, and the rotation stopping groove is a tooth-shaped groove which is continuously arranged along the circumference; the insert connecting part of the flange is a tooth-shaped boss continuously arranged along the outer circumference of the flange, and the tooth-shaped groove is connected with the tooth-shaped boss in a matched manner.
8. A wheel as claimed in claim 6 or 7, wherein: the cover body connecting part is provided with external threads, the inner wall of the cover body is provided with internal threads, and the cover body is in threaded connection with the cover body connecting part.
9. A wheel as claimed in claim 6 or 7, wherein: the cover body is bonded and fixed on the cover body connecting part.
10. The wheel of claim 6, wherein: the two groups of integral spoke assemblies with the metal inserts are arranged in a staggered mode along the circumference, so that the end portions of all spokes are evenly distributed on the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220677203.4U CN217022048U (en) | 2022-03-24 | 2022-03-24 | Integral spoke assembly with metal insert and wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220677203.4U CN217022048U (en) | 2022-03-24 | 2022-03-24 | Integral spoke assembly with metal insert and wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217022048U true CN217022048U (en) | 2022-07-22 |
Family
ID=82413677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220677203.4U Active CN217022048U (en) | 2022-03-24 | 2022-03-24 | Integral spoke assembly with metal insert and wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217022048U (en) |
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2022
- 2022-03-24 CN CN202220677203.4U patent/CN217022048U/en active Active
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