Lightweight carbon fiber spoke

Abstract

The utility model discloses a light-weight carbon fiber spoke which comprises a spoke body. One end of the spoke body is a blocking cap, and the other end is provided with a threaded connection part; two mounting grooves are symmetrically distributed in the circumference of a rod body of the spoke body, the two ends of each mounting groove extend towards the two ends of the rod body in the axial direction, inserting grooves are formed in the edges of the two sides of each mounting groove, adhesive filling grooves arrayed along a path are formed in the bottom face of each mounting groove, reinforcing strips are mounted on the mounting grooves, bending parts are arranged at the two ends of each reinforcing strip, and the bending parts are matched with the inserting grooves. The inner surface of the reinforcing strip is adhered to the bottom surface of the mounting groove through an adhesive, two ends of the mounting groove are provided with through holes, two ends of the reinforcing strip are provided with through holes, and the reinforcing strip is riveted on the rod body of the spoke body through a rivet; a thermal shrinkage protection layer is arranged on the surface of a rod body of the spoke body. The carbon fiber reinforcing strips are arranged on the rod bodies of the spokes, the carbon fiber reinforcing strips are riveted to the metal rod bodies so that the tensile strength of the spokes can be improved, and the outer thermal shrinkage protection layers can play a role in rust prevention and wear resistance on the rod bodies.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spoke technical field, concretely relates to a kind of lightweight carbon fiber spoke. BACKGROUND

[0002] Two ends of spoke are connected with hub and rim respectively, and the rim is tensioned, the bicycle is pulled in the process of riding, and the too large pulling force can break spoke, for example, when the bicycle passes pit, the rim is contacted with pit bottom and can be impacted, the spoke in the same direction with impact force can reduce pulling force in moment, the spoke in different direction with impact force can be impacted in moment, and the spoke with weak tensile strength can be broken, so as to affect the safety of riding, in order to improve the tensile property of spoke, a kind of lightweight carbon fiber spoke is provided. SUMMARY

[0003] Therefore, the utility model provides a lightweight carbon fiber spoke, to solve the problem of poor tensile property of spoke in the prior art.

[0004] In order to solve the above technical problem, the utility model discloses a kind of lightweight carbon fiber spoke, including: spoke body;The one end of spoke body is fender cap, and the other end is equipped with threaded connection part;The pole body of spoke body is distributed two installation grooves in circumferential symmetry, and the two ends of installation groove extend along the axial direction to the two ends of pole body, the two side edges of installation groove are equipped with insertion slot, the bottom surface of installation groove is equipped with adhesive filling groove along path array, reinforcing strip is installed on installation groove, the two ends of reinforcing strip have bending part, bending part cooperates with insertion slot, the inner surface of reinforcing strip is bonded together with the bottom surface of installation groove by adhesive, the two ends of installation groove are equipped with through hole, the two ends of reinforcing strip are equipped with through hole, and reinforcing strip is riveted on the pole body of spoke body by rivet;The pole body surface of spoke body is equipped with heat shrinkage protective layer.

[0005] Further, the bottom surface of the above-mentioned installation groove is in the shape of a circular arc.

[0006] Further, the cross section of the above-mentioned adhesive filling groove is in the shape of a V.

[0007] Further, the above-mentioned heat shrinkage protective layer wraps the entire spoke pole body.

[0008] Compared with the prior art, the present application can obtain the following technical effects:

[0009] The utility model sets up carbon fiber reinforcing strip on the pole body of spoke, and the carbon fiber reinforcing strip riveted on the metal pole body can improve the tensile strength of spoke, and the external heat shrinkage protective layer can play the role of rust prevention and wear resistance for the pole body.

[0010] Of course, any product implementing the present application does not necessarily need to achieve all the technical effects described above simultaneously. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0012] Fig. 1 This is a partial schematic diagram of the spokes according to one embodiment of the present invention;

[0013] Fig. 2 This is a cross-sectional schematic diagram of the spokes according to one embodiment of the present invention;

[0014] Fig. 3 This is a cross-sectional schematic diagram of the riveting joint of the spokes according to one embodiment of the present invention.

[0015] Attached Figure Labels

[0016] Spoke body 1, mounting groove 2, slot 3, adhesive filling groove 4, reinforcing strip 5, bending part 6, through hole 7, through hole 8, rivet 9, heat shrink protective layer 10. Detailed Implementation

[0017] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0018] Please refer to Figs. 1 to 3 , Fig. 1 This is a partial schematic diagram of the spokes according to one embodiment of the present invention; Fig. 2 This is a cross-sectional schematic diagram of the spokes according to one embodiment of the present invention; Fig. 3 This is a cross-sectional schematic diagram of the riveting joint of the spokes according to one embodiment of the present invention.

[0019] A lightweight carbon fiber spoke includes: a spoke body 1; one end of the spoke body 1 is a cap, and the other end is provided with a threaded connection; two mounting grooves 2 are symmetrically distributed around the circumference of the spoke body, the two ends of the mounting grooves 2 extend axially towards the two ends of the body, slots 3 are provided on both sides of the mounting grooves 2, adhesive filling grooves 4 are provided on the bottom surface of the mounting grooves 2 along the path, reinforcing strips 5 are installed on the mounting grooves 2, the two ends of the reinforcing strips 5 have bent portions 6, the bent portions 6 cooperate with the slots 3, the inner surface of the reinforcing strips 5 is bonded to the bottom surface of the mounting grooves 2 by adhesive, the two ends of the mounting grooves 2 are provided with through holes 7, the two ends of the reinforcing strips 5 are provided with through holes 8, and the reinforcing strips 5 are riveted to the body of the spoke body 1 by rivets 9; a heat-shrinkable protective layer 10 is provided on the surface of the body of the spoke body 1, the heat-shrinkable protective layer 10 is made of polytetrafluoroethylene.

[0020] The bottom surface of the mounting groove 2 has an arc-shaped cross section; the adhesive filling groove 4 has a V-shaped cross section; and the heat-shrinkable protective layer 10 covers the entire spoke rod body.

[0021] This invention features a carbon fiber reinforcing strip 5 on the spoke shaft. The carbon fiber reinforcing strip 5, riveted to the metal shaft, can improve the tensile strength of the spokes. The external heat-shrinkable protective layer 10 can provide rust prevention and wear resistance to the shaft.

[0022] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A lightweight carbon fiber spoke, comprising: Spoke body; one end of the spoke body is a stop cap, and the other end is provided with a threaded connection; The spoke body is characterized by having two symmetrically distributed mounting grooves on its circumference. The two ends of the mounting grooves extend axially towards both ends of the rod. Slots are provided on both sides of the mounting grooves. The bottom surface of the mounting grooves has adhesive-filled grooves arranged in an array along a path. A reinforcing strip is mounted on the mounting groove. The reinforcing strip has curved ends that mate with the slots. The inner surface of the reinforcing strip is bonded to the bottom surface of the mounting groove with adhesive. Through holes are provided at both ends of the mounting grooves, and through holes are provided at both ends of the reinforcing strip. The reinforcing strip is riveted to the rod of the spoke body using rivets. A heat-shrinkable protective layer is provided on the surface of the rod of the spoke body.

2. The lightweight carbon fiber spokes as described in claim 1, characterized in that, The bottom surface of the mounting groove has a circular arc shape in cross-section.

3. The lightweight carbon fiber spokes as described in claim 1, characterized in that, The cross-section of the adhesive filling groove is V-shaped.

4. The lightweight carbon fiber spokes as described in claim 1, characterized in that, The heat-shrinkable protective layer covers the entire spoke rod.

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