Spoke high in durability and resistant to corrosion

Abstract

The utility model discloses a spoke with strong durability and corrosion resistance, which comprises a hexagonal spoke rod body, the hexagonal spoke rod body is hollow, and the surface of the hexagonal spoke rod body is provided with a plurality of 0.1 mm micropores; the carbon fiber inner core is filled in the hexagonal spoke rod body, and epoxy AB glue is bonded between the carbon fiber inner core and the hexagonal spoke rod body; the passivation layer is deposited on the surface of the hexagonal spoke rod body; the aluminum oxide ceramic layer is sprayed on the surface of the passivation layer; the carbon fluoride film layer is vapor-deposited on the surface of the aluminum oxide ceramic layer; wherein an elbow part and a screw part are respectively arranged at two ends of the hexagonal spoke rod body, and titanium alloy wire parts are fixed at the inner ends of the elbow part and the screw part. The hollow hexagonal spoke rod body is arranged, the carbon fiber inner core is embedded in the hollow hexagonal spoke rod body, the strength and the lightweight design are guaranteed, the passivation layer is deposited outside the hollow hexagonal spoke rod body, the surface compactness is improved, and then the aluminum oxide ceramic layer and the carbon fluoride film layer are arranged to resist abrasion, insulate, drain water and prevent adhesion, so that the corrosion resistance is improved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spoke technical field, specifically, it relates to a strong and corrosion -resistant spoke. BACKGROUND

[0002] Spoke is by a center or hub in the same plane outwardly extending many poles, sticks or straight lines. At present, the spoke is alloy steel piece, and on some high-end bicycles, the production demand of low wind resistance and light weight cannot be met, and with wind and rain erosion, surface rust is produced, and service life is greatly reduced. Some manufacturers have launched carbon fiber spokes, and then the cost of the spoke made of full carbon fiber is too high.

[0003] Therefore, at present, a new structure is urgently needed, and the spoke structure can ensure sufficient strength, corrosion resistance and service life. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model wants to solve the technical problem to provide a strong and corrosion -resistant spoke, avoid the trouble that the previous spoke is easy to rust and has low durability.

[0005] In order to solve the above technical problem, the utility model discloses a strong and corrosion -resistant spoke, comprising:

[0006] Hexagonal spoke rod body, the hexagonal spoke rod body is hollow, and a plurality of 0.1mm micropores are arranged on the surface;

[0007] The carbon fiber inner core filled in the hexagonal spoke rod body, the carbon fiber inner core and the hexagonal spoke rod body are bonded with epoxy AB glue;

[0008] The passivation layer deposited on the surface of the hexagonal spoke rod body;

[0009] The aluminum oxide ceramic layer sprayed on the surface of the passivation layer;

[0010] The carbon fluoride film layer is vapor deposited on the surface of the aluminum oxide ceramic layer;

[0011] The hexagonal spoke rod body is provided with an elbow part and a screw part at two ends respectively, and the inner end of the elbow part and the screw part is fixed with a titanium alloy wire part.

[0012] According to the utility model one embodiment, wherein the wall thickness of the above-mentioned hexagonal spoke rod body is 1.5-2.5mm.

[0013] According to the utility model one embodiment, wherein the above-mentioned hexagonal spoke rod body is provided with aluminum alloy or stainless steel.

[0014] According to the utility model one embodiment, the titanium alloy wire part is formed on the hexagonal spoke rod body by welding, and the thickness is at least 4mm higher than the thickness of the hexagonal spoke rod body, and the arrangement length is 10mm.

[0015] According to the utility model one embodiment, the carbon fiber inner core is in a rod shape, and the diameter is greater than 2.5mm.

[0016] Compared with the prior art, the utility model can obtain the following technical effects:

[0017] The hollow hexagonal spoke rod body is provided, the carbon fiber inner core is embedded inside, the strength and lightweight design are ensured, the passivation layer is deposited outside, the surface compactness is improved, then the alumina ceramic layer and the carbon fluoride film layer are provided for wear resistance and insulation, and the hydrophobicity and anti-adhesion are realized, so that the corrosion resistance is improved, and the service life is enhanced.

[0018] Titanium alloy wire parts are additionally welded at the two ends of the hexagonal spoke rod body, so that the end compression strength is improved.

[0019] Of course, any product implementing the utility model does not necessarily need to achieve all the technical effects described above. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the utility model, and form a part of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0021] Figure 1 It is a strong and corrosion-resistant spoke cross section schematic view of the utility model embodiment;

[0022] Figure 2 It is a strong and corrosion-resistant spoke front view of the utility model embodiment.

[0023] DRAWINGS

[0024] Hexagonal spoke rod body 10, carbon fiber inner core 20, passivation layer 30, alumina ceramic layer 40, carbon fluoride film layer 50, titanium alloy wire part 60. DETAILED DESCRIPTION

[0025] The embodiments of the utility model will be described in detail below with reference to the drawings and embodiments, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the utility model can be fully understood and implemented.

[0026] Please refer to Figure 1 With Figure 2 , Figure 1 It is a strong and corrosion-resistant spoke cross section schematic view of the utility model embodiment;Figure 2 The strong durability and corrosion-resistant spoke main view is durable and corrosion-resistant.

[0027] As shown in the figure, a strong durability and corrosion-resistant spoke, comprising: a hexagonal spoke rod body 10, the hexagonal spoke rod body 10 is hollow, and a plurality of 0.1mm micropores are arranged on the surface; a carbon fiber inner core 20 filled in the hexagonal spoke rod body 10, epoxy AB glue is adhered between the carbon fiber inner core 20 and the hexagonal spoke rod body 10; a passivation layer 30 deposited on the surface of the hexagonal spoke rod body 10; an alumina ceramic layer 40 sprayed on the surface of the passivation layer 30; a carbon fluoride film layer 50 vapor deposited on the surface of the alumina ceramic layer 40; wherein the hexagonal spoke rod body 10 is provided with an elbow portion and a screw portion at both ends, respectively, and a titanium alloy wire portion 60 is fixed at the inner end of the elbow portion and the screw portion.

[0028] In an embodiment of the utility model, the hexagonal spoke rod body 10 is made of aluminum alloy or stainless steel, is formed by cold drawing, the outer surface can be rounded, the inner side is in the shape of a circular hole, a plurality of 0.1mm micropores are formed on the surface by laser marking, and the surface adhesion of the coating can be enhanced. The carbon fiber inner core 20 is filled in the hexagonal spoke rod body 10, is adhered by epoxy AB glue, is formed into a whole with the hexagonal spoke rod body 10, and high-strength lightweight design is formed.

[0029] The passivation layer 30 is a layer of insoluble dense and firm oxide or other compound film formed on the surface of metal in an electrochemical process, can isolate the contact between metal and solution, significantly reduces the reaction capacity of the surface of metal, and thus improves the corrosion resistance of metal. The alumina ceramic layer 40 is sprayed by plasma, improves the surface wear resistance and insulation, the carbon fluoride film layer 50 is deposited by vapor deposition process, is hydrophobic and anti-adhesion, and the rainwater erosion effect is further improved.

[0030] In addition, the hexagonal spoke rod body 10 is provided with an elbow portion and a screw portion at both ends, respectively, is used for connecting a wheel and a hub, the elbow portion and the screw portion are connected with the round shaft of the hexagonal spoke rod body 10, are transitionally smooth, the titanium alloy wire is wound at the inner side of the hexagonal spoke rod body 10 because the two end portions need to bear greater pressure, the titanium alloy wire portion 60 is widened relative to the hexagonal spoke rod body 10, is in the shape of two stakes, and is arranged at a distance of 5mm from the elbow portion and the screw portion.

[0031] In a preferred embodiment, the wall thickness of the hexagonal spoke rod body 10 is 1.5-2.5mm, external strength protection is formed, and the hexagonal design enhances the bending resistance. The carbon fiber inner core 20 is in the shape of a rod, and the diameter is greater than 2.5mm, so that the internal strength is improved.

[0032] In addition, the titanium alloy wire part 60 is formed on the hexagonal spoke rod body 10 by welding, and the thickness is at least 4mm higher than the hexagonal spoke rod body 10, the arrangement length is 10mm, the crack propagation is inhibited, and the fatigue life is improved compared with the whole spoke.

[0033] In conclusion, the utility model discloses through set up hollow hexagonal spoke rod body 10, inside embedding carbon fiber inner core 20, guarantee strength and lightweight design, outside deposition passivation layer 30, improve surface density, then set up alumina ceramic layer 40 and carbon fluoride film layer 50 wear -resisting insulation, hydrophobic anti -adhesion, to improve corrosion resistance, enhance the life.

[0034] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A spoke which is strong and resistant to corrosion, characterized in that, It comprises: a hexagonal spoke rod body, which is hollow and has a surface provided with a plurality of 0.1mm micropores; a carbon fiber inner core filled in the hexagonal spoke rod body, which is bonded with the hexagonal spoke rod body by epoxy AB glue; a passivation layer deposited on the surface of the hexagonal spoke rod body; an alumina ceramic layer sprayed on the surface of the passivation layer; a carbon fluoride film layer vapor deposited on the surface of the alumina ceramic layer; wherein the hexagonal spoke rod body is respectively provided with a bend head and a screw rod at two ends, and a titanium alloy wire part is fixed at the inner end of the bend head and the screw rod.

2. The strong and corrosion resistant spoke of claim 1, wherein, The wall thickness of the hexagonal spoke rod body is 1.5-2.5mm.

3. The strong and corrosion resistant spoke of claim 1, wherein, The hexagonal spoke rod body is made of aluminum alloy or stainless steel.

4. The strong and corrosion resistant spoke of claim 1, wherein, The titanium alloy wire part is formed on the hexagonal spoke rod body by welding, and the thickness is at least 4mm higher than that of the hexagonal spoke rod body, and the arrangement length is 10mm.

5. The strong and corrosion resistant spoke of claim 1, wherein, The carbon fiber inner core is in a rod shape, and the diameter is greater than 2.5mm.

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