TW201228875A - Light-weight composite material rim structure of high-rigidity bicycle and production method thereof - Google Patents

Abstract

This invention provides a light-weight composite material rim structure of a high-rigidity bicycle and its production method. The structure is mainly made by placing a predetermined number of reinforcing members at equal interval inside a composite material rim, and the reinforcing members are radially arranged relative to the axis of the composite material rim. The production method includes the following steps: making a plurality of foaming material arc segments in identical arc shape; taking a predetermined number of foaming material arc segments and joining them in sequence into a ring body in a circular shape, and arranging a reinforcing member at each joining end of the foaming material arc segments; wrapping the surface of the ring body with a prepared composite prepreg; using a mold to heat and press the ring body covered with a composite prepreg to from a composite material rim.

Description

201228875 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a bicycle rim rigidity and strength and a lightweight engineering, and more particularly to a partially reinforced high rigidity bicycle composite rim lightweight structure And production methods. [Prior Art] [〇〇〇2] Press, the bicycle rims used in practice are mostly made of metal materials such as steel or aluminum alloy, so they all have a certain weight, and in the bicycle market that emphasizes lightweight, it is now more compound. The rim structure made of materials (such as carbon fiber composite material ^) can reduce the overall weight of the bicycle. [0003] However, since the carbon fiber material is greatly reduced in ductility after hardening, it is used. The rim structure made of carbon fiber composite material must be additionally reinforced at the copper head installation of the strip, which will increase the weight of the rim; in addition, when the hollow ring is subjected to lateral pressure When crowded (such as when the car is accelerated), the side walls of the carbon fiber composite rim ring often have rupture damage due to insufficient lateral strength. [0004] 100101039 To improve the hardening of carbon fiber composites The shortcomings of insufficient lateral strength, so how to provide a rim structure that combines light weight and strength, which is the current bicycle industry The key point is as shown in Figure 4, which is the new patent case of M2 6 8 1 9 9 in China, which is mainly used for the service tool and the wire of two money tubes, so that the fiber in the filling mold is heated. After the job type, it can be made into a hollow tubular carbon fiber composite rim 9 1 ' and the two nylon tubes are up and down after inflation: Form No. A0101 Page 3 / Total 28 Pages 1〇〇 2〇〇1864-〇 201228875 Stacked, and there is a gap between the inflated nylon tubes for the carbon fiber raw material to enter, so that the carbon fiber composite rim 9 1 can form a ring-shaped supporting wall in the hollow space after molding. 9 2 structure, which can be used to improve the lateral structural rigidity and strength of the carbon fiber composite rim 9 1 after molding, and the elasticity of the carbon fiber after the hardening of the carbon fiber is greatly reduced, so that it is formed above the hollow space after molding. The reinforcing body 9 3 is added to the lower wall to make the carbon fiber rim more strong; however, although the above method can improve the structural rigidity and strength of the carbon fiber composite rim 91 after molding, the support wall 9 is formed in a full circle shape. 2 and the reinforcement body 9 3 structure still The overall weight of the carbon fiber composite rim 91 is increased by a small amount [0005] [0007] [0008] In view of this, how to solve the above problem is the primary problem to be solved by the present invention, therefore, the present case The inventor has finally developed the invention after continuous hard work and trials. SUMMARY OF THE INVENTION One object of the present invention is to solve the above problems and provide a lightweight structure and manufacture of a high rigidity bicycle composite wheel. The method can meet the requirements of the rigidity and the lifting strength of the rim, and at the same time take the effect of weight reduction. The second object of the present invention is to solve the above problems and provide a lightweight structure and manufacture of a high rigidity bicycle composite wheel. The method has the function of reinforcing the structure of the composite rim for connecting the position of the spoke, and does not need to additionally supplement and process the copper head of the composite rim. For the purpose of the foregoing, the present invention provides a high-rigidity bicycle i00iui039 Form No. A01G1 Page 4 of 28 Page 1002001864-0 201228875 [0010] [0011] [0012] [0014] Q [ [ [0017] [0017] The composite rim lightweight structure is mainly provided with a predetermined number of reinforcing members at equal intervals inside a composite material rim, and the reinforcing members are relative to the axis of the composite material rim The heart is radially placed. Furthermore, the present invention provides a lightweight manufacturing method for a high-rigidity bicycle composite material rim, the steps of which include: a. making a plurality of arc segments of a foam material in an arc shape; b. taking a predetermined amount of foam material The arc segments are sequentially joined into an arc-shaped ring body, and a reinforcing member 9 C is disposed between the adjacent ends of the arc segments of the foaming materials, and the predetermined composite prepreg is coated on the surface of the ring body. d. The ring argon coated with the composite prepreg is heated and pressed into a composite rim by a mold. Moreover, the present invention further provides a lightweight manufacturing method for a high-rigidity bicycle composite material rim, the steps comprising: a. producing an annular outer ring portion and an inner ring portion, wherein the inner ring portion is The composite material is made of a hollow open shape with the inner ring portion facing outward; b. is disposed on the inner side of the inner ring portion at a regular interval by a predetermined number of reinforcing members, and is joined and fixed; c· combined with the outer ring portion and the inner portion The ring portion is formed into a composite wheel 〇100101039. Form No. A0101 Page 5 / Total 28 pages 1002001864-0 201228875 [0018] The above and other objects and advantages of the present invention are not difficult to select from the following selected embodiments. A detailed understanding of the detailed description and the drawings is obtained. [0019] Of course, the present invention allows for differences in some of the components, or the arrangement of the components, but the selected embodiments are described in detail in the present specification, and the construction thereof is shown in the drawings. . [Embodiment] [0020] First, referring to Fig. 1, the present invention provides a lightweight structure of a high-rigidity bicycle composite rim, which is mainly provided on the inside of a composite rim 11 at equal intervals. a number of reinforcing members 2 1 and the reinforcing members 2 1 are radially disposed relative to the axis of the composite rim 11 and are disposed at equal intervals on the composite rim by the reinforcing members 2 1 The inner side of 1 1 can form a structural reinforcing effect for a specific position of the composite rim 11 , thereby enabling the composite rim 11 to achieve a light weight and a combination of rigidity and strength. [0021] Next, referring to Figures 2 to 3, in order to fabricate the lightweight structure of the high rigidity bicycle composite rim of the present invention, the first embodiment of the manufacturing method used in the present invention comprises the following steps: [0022] · Firstly, a plurality of arc-shaped foam segments 3 1 are formed by foaming materials, wherein the foam segments 3 1 can be made into one of solid or hollow according to actual needs. [0023] b. taking a predetermined number of foaming material arc segments 3 1 sequentially joined into an arc-shaped ring body 41, and further disposed between the ends of the foaming material arc segments 31 A reinforcing member 2 made of one of carbon fiber, glass fiber, kewei fiber or basalt fiber, wherein the reinforcing ΐΛΛίηιηοΛ luuIUxuoy form number A0101 page S/28 page 1002001864-0 201228875 [0024] [0025] ] Ο [0026]

[0027] The piece 2 1 is in the form of a sheet and has the same shape as the cross section of the foam section 3 1 as shown in FIG. 2; c. The predetermined composite prepreg 51 is sequentially stacked. The composite prepreg 51 is a carbon fiber material in the embodiment, and the carbon fiber material is a prepreg resin carbon fiber cloth (Prepreg, also known as Prepreg), as shown in Fig. 3, td. The ring body 4 1 coated with the composite prepreg 5 1 is heated and pressed by a mold to form an equidistant emission on the inside of the rim. The composite rim 11 of the reinforcing member 2 1 is provided in a shape. The composite rim made by the above method is supported by the reinforcing member 2 1 on the inner side of the composite rim, thereby effectively strengthening the structural rigidity and strength of the composite rim, and Since the reinforcing members 21 are respectively joined between the ends of the arc segments 31 of the foaming materials, the reinforcing members 21 are formed in a reinforcing sheet shape which is disposed at an equal distance inside the composite material rim, instead of being The entire circle is extended to complement the wall structure, and this can be used to enhance the rigidity and strength, while taking into account the lightweight effect. Of course, the reinforcing member of the present invention is not limited to the above-mentioned structural type, and there are still many examples. As shown in FIG. 4, it is the second structural aspect of the reinforcing member of the present invention, wherein the reinforcing member is the reinforcing member. 2 1 B is in the form of a plate and has the same shape as the section of the arc of the foamed material 31, and the reinforcing member 21B is provided with a longitudinal extension of the copper head for the spoke. Perforation 2 2 B, and thereby making the reinforcing member 2 1 B can also be used for 100101039 Form No. A0101 Page 7 / Total 28 Page 1002001864-0 201228875 The silver material rim is used to connect the position of the spline to create a structural reinforcement Efficacy, without the need for additional penetration and machining of the copper head of the composite rim. [0030] [0030] 100101039 is another third structural aspect of the reinforcing member of the present invention, as shown in FIG. 5, wherein the foaming material arc segment 31 is t-empty, and The reinforcing member 2 1 C is in the form of a plate and has the same shape as the section of the arc of the foaming material 3 1 , and a notch 2 3 C is recessed in the bottom of the reinforcing member 2 1 C, and the structural state The 1 2 C reinforcement can be applied to composite rims without copper head insertion holes. Then, as shown in FIG. 6, the instrument is the fourth structural aspect of the reinforcing member of the present invention, wherein the reinforcing member 2丄D is in the form of a plate and its shape is broken with the arc of the foaming material. The surface is the same, and the reinforcing member 2 j 〇 above and the lower end ends respectively extend a flap 24D, 25D toward the adjacent foaming material arc 3 , direction, and work on the two foaming material arc segments Corresponding to each of the fins 2 4D, 2 5D; a groove 3 2 is respectively recessed at the position, and thereby the joint between the reinforcing member 2丨 and the composite material 5' foaming material arc segment 31 can be improved. The surface finish enhances the structural strength and ensures the flatness of the composite prepreg 5 i after coating. Further, as shown in FIG. 7, it is a fifth structural aspect of the reinforcing member of the present invention, wherein the reinforcing member 2 1 £ is in a circular tubular shape and has a copper head portion extending in the longitudinal direction for the spoke. The through hole 2 2 E is inserted, and the upper end of the reinforcing member 21E is respectively extended with a fin 2 4 E, 2 5 E toward the adjacent foaming material arc segment 3 1 , and The second foaming material arc segment 3 1 corresponds to the reinforcing member 2 1 E body and the respective fins 2 4 E, 2 5 E are respectively recessed with a groove 3 3 and the groove form number A0101 page 8 / Total 28 pages 201228875 [0031] 003 [0032] [0033]

3 2, thereby making the reinforcing member 2 1 Ε also have the effect of structural reinforcement for the position of the composite rim 1 1 for connecting the spokes, and can also be enhanced by the fins 24 Ε, 25 Ε The joint area between the piece 21 and the composite prepreg 5 1 and the foam section 3 1 and the structural strength thereof further ensure the flatness of the composite 51 prepreg after coating. Please refer to FIG. 8 , which is a second embodiment of the manufacturing method for fabricating a lightweight structure of a composite rim according to the present invention, which comprises the following steps: a · making a ring-shaped rim The ring portion 1 2 and the outer ring portion 13 are formed of a composite material. In the embodiment, the composite material is a carbon fiber material, and the inner ring portion 12 is outwardly facing the ring side. The outer ring portion 13 is formed with a receiving portion 133 for the tire to be placed, and the outer ring portion 13 is made of a composite material or a metal material according to actual needs. One is made; b · is disposed on the inner side of the inner ring portion 1 2 with a predetermined number of reinforcing members 6 1 and is fixedly joined, wherein the reinforcing member 61 can be made of carbon fiber, glass fiber, kewei fiber or basalt. One of the fibers is made of a material, and the reinforcing member 61 is in the form of a plate and has an outer shape corresponding to the inner edge shape of the inner ring portion 12, and can be used to support the inner ring portion 1 2 ; c · Finally, as shown in FIG. 9, the outer ring portion 31 is correspondingly coupled to the inner ring portion 12 and the outer ring is open. The composite rim 100101039 can be made on the inner side of the rim with a radially spaced reinforcing member 61. Form No. A0101 Page 9 / 28 pages 1002001864-0 [0034] 201228875 and the second embodiment described above The composite rim 'made by the method of forming the same is also supported by the reinforcing members 6 i on the inner side of the inner ring portion 2, and thereby the structural rigidity of the inner ring portion 12 can be effectively strengthened. The strength, and because the reinforcing members 6 i are arranged at equal intervals on the auxiliary side of the composite wheel, rather than the wall structure extending in a full circle shape, thereby improving the secret and strength requirements, (4) Lightweight effect. Further, as shown in FIG. 10, which is a second structural aspect of the reinforcing member according to the second embodiment of the present invention, the reinforcing member 6 i B is in the form of a plate and its shape is the same as the inside. The inner edge shape of the ring portion 12 corresponds to each other, and is further provided on the rest time 6 i B - extending in the longitudinal direction for the spoke

The copper is placed into the perforated 6 2 B, and the reinforcing member 6 1 B can also be used to reinforce the structure of the composite tilting wheel _ the position of the web without the need for additional composite rims. The copper head is placed at the place for reinforcement processing. As shown in FIG. 1 , there are two structural aspects of the reinforcing member according to the second embodiment of the present invention, wherein the reinforcing member 6 ic is in the form of a plate and its outer shape is connected to the inner ring portion. The inner edge shape of the crucible 2 corresponds to each other, and the bottom portion of the reinforcing member 6 1 C is recessed and provided with a notch 6 3 c, and such a, . The reinforcing member 6 i C can be applied to the composite rim without the copper head insertion hole. [ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Page i0/28 pages 1002001864-0 201228875 [0039]

[0041] 100101039 is in the shape of a plate and has an outer shape corresponding to the inner edge shape of the inner ring portion 12, and the upper and lower ends of the reinforcing member 6 1 D respectively extend with a fin 6 4 D, 6 5 D, the upper end of the reinforcing member 6 1 D is 64 4 D for contacting the bottom surface of the outer ring portion 13 , and the lower end of the reinforcing member 6 1 D is connectable to the bottom of the inner ring portion 1 2 . When connected, the joint area between the reinforcing member 6 1D and the inner ring portion 1 2 and the outer ring portion 1 3 can be increased to thereby improve the structural rigidity and strength. Further, as shown in FIG. 1 , which is the fifth structural aspect of the reinforcing member of the present invention, wherein the reinforcing member 6 1 E has a circular tubular shape and has a copper head extending longitudinally for the spoke. The through hole 6 2E is inserted, and the upper and lower ends of the reinforcing member 6 1 E respectively extend with a fin 6 4 E, 65E, and the upper end of the reinforcing member 61 E is provided with the outer ring 6 4 E The bottom surface of the portion 13 is connected, and the lower end of the reinforcing member 6 1 E can be connected to the bottom of the inner edge of the inner ring portion 12, and thereby the reinforcing member 6 1 E can also be used for the composite material rim. The structure is reinforced by the position of the connecting strip, and the joint area between the reinforcing member 6 1 E and the inner ring portion 1 2 and the outer ring portion 1 3 can also be improved by the fin 6 4 E structure, and Thereby improving its structural rigidity and strength. However, the disclosure of the above embodiments is intended to be illustrative of the invention, and is not intended to limit the invention. After the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objects and is in compliance with the provisions of the Patent Law. Therefore, the inventor of the present invention filed a patent application. [Simple description of the drawing] Form No. A0101 Page 11 / 28 pages 1002001864-0 201228875 [0044] [0045] [0046] [0049] [0050] [0050] 1 is a schematic view of the structure of the present invention, FIG. 2 is a schematic view of the assembly of the first embodiment of the present invention, FIG. 3 is a partial cross-sectional view of the group of the present invention, and FIG. 4 is a view of the present invention. [0054] FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 5 is a third structural view of a reinforcing member according to a first embodiment of the present invention. FIG. 6 is a fourth embodiment of a reinforcing member according to a first embodiment of the present invention. 7 is a fifth structural view of a reinforcing member according to a first embodiment of the present invention. FIG. 8 is an assembled schematic view of a second embodiment of the present invention. FIG. 9 is a cross-sectional view showing a second embodiment of the present invention. A second structural view of a reinforcing member according to a second embodiment of the present invention. FIG. 11 is a third structural dry view of the reinforcing member according to the second embodiment of the present invention. FIG. 12 is a second embodiment of the present invention. Fourth structure diagram of reinforcing member FIG. 13 is a reinforcing member of a second embodiment of the present invention The fifth structure diagram 7 Λ 100101039 Form number Α 0101 Page 12 / 28 pages 1002001864-0 201228875 [0055] Figure 14 is a schematic diagram of the structure of a conventional carbon fiber rim [main component symbol description] [0056] (customized part Carbon fiber rim 9 1 support wall 9 2 [0058] reinforcing body 9 3 [part of the invention] [0060] composite material rim 1 1 inner ring portion 1 2

[0061] outer ring portion 13 bearing portion 13 1

[0062] Reinforcing members 21, 21B, 21C, 21D'21E, 61, 61B, 61C, 61D, 61E

[0063] Perforations 22B, 22E'62B, 62E

[0064] Notch 23C, 63C

[0065] Wings 24D, 25D, 2 4 E, multiple left seven, 6 4 D, 6 5

D

Foaming material arc segment 31 grooving groove 3 2 [0067] grooving groove 3 3 ring body 4 1 [0068] composite prepreg 5 1 100101039 Form No. A0101 Page 13 of 28 1002001864-0

Claims (1)

201228875 VII. Patent application scope: 1. A lightweight structure of a high-rigidity bicycle composite material rim, which is mainly provided with a predetermined number of reinforcing members at equal intervals inside a composite material rim, and the reinforcing members are relative to the composite The axis of the material rim is radially arranged. 2. The lightweight structure of the high rigidity bicycle composite rim according to claim 1, wherein the outer shape of the reinforcing member and the inner side shape of the composite rim correspond to each other. 3 . A lightweight manufacturing method for a high-rigidity bicycle composite wheel, the steps comprising: a·making a plurality of arc segments of a foam material in an arc shape; b· taking a predetermined number of foam segments in sequence Bonding into an arc-shaped ring body, and providing a reinforcing member between the ends of the arc segments of each foaming material; c· coating the surface of the ring body with a predetermined composite prepreg> d· The ring body coated with the composite prepreg is heated and pressed into a composite rim by a mold. 4. The lightweight structure of the high rigidity bicycle composite rim according to the third aspect of the patent application, wherein the foaming section has a solid or hollow structure. 5. The lightweight structure of the high rigidity bicycle composite rim according to claim 3, wherein the composite prepreg is a prepreg of prepreg resin. 6. The lightweight structure of the high rigidity bicycle composite rim according to claim 3, wherein the reinforcing member is made of one of carbon fiber, glass fiber, kevlar fiber or basalt fiber. Form No. AOIOl Page 14 of 28 1002001864-0 201228875 7. The lightweight structure of the high rigidity bicycle composite wheel according to claim 3, wherein the reinforcing member is in the form of a plate and its shape It is the same as the section of the arc of the foam material. 8. The lightweight structure of the high-rigidity bicycle composite material rim according to claim 3, wherein the reinforcing member is in the form of a plate and has the same shape as that of the arc of the foaming material, and The reinforcing member is provided with a perforation extending in the longitudinal direction for the copper head of the spoke to be inserted. 9. The lightweight structure of the high-rigidity bicycle composite material rim according to claim 3, wherein the foaming material has a hollow arc shape, and the reinforcing member is in the form of a sheet and the shape thereof is The arc of the foaming material has the same cross section, and a notch is formed in the bottom of the reinforcing member. 10. The lightweight structure of the high rigidity bicycle composite material rim according to claim 3, wherein the reinforcing member is in the form of a plate and has the same shape as that of the arc of the foam material, and A fin is extended on the upper and lower ends of the reinforcing member toward the arc of the adjacent foaming material, and a groove is respectively recessed at a position corresponding to each of the two foaming arc segments. 11. The high-rigidity bicycle composite wheel rim according to claim 3, wherein the reinforcing member has a circular tubular shape and has a longitudinal extension to allow the copper head of the spoke to be worn. The perforation is provided, and the upper and lower ends of the reinforcing member respectively extend a blade toward the arc of the adjacent foaming material, and the tube body of each reinforcing member is corresponding to the arc of the two foaming materials A slot and a slot are respectively recessed in the position of the airfoil. 12. A lightweight manufacturing method for a high-rigidity bicycle composite wheel, the steps comprising: a) producing an annular outer ring portion and an inner ring portion, wherein the inner ring portion is made of composite material The ring side of the inner ring portion is hollow 100101039 Form No. A0101 Page 15 / Total 28 Page 1002001864-0 201228875 13 14 15 16 . 17 . 18 . 100101039 Open; b. Pre-filament The reinforcing members are equally spaced on the inner side of the inner ring portion and are joined and fixed; c. The outer ring portion and the outer ring portion are formed into a composite material rim. According to the scope of the patent application! The lightweight structure of the high-rigidity bicycle composite ring described in the above two, the towel, the outer ring material is called (4) or one of the metal materials. The high-rigidity bicycle composite wheel rim structure described in item i 2 of the patent application scope is made of carbon fiberglass fiber venetian fiber or basalt fiber. According to the application of the full-time i 2 item, the high-speed composite bicycle rim structure is lightweight, wherein the reinforcing member is in the form of a plate and its shape corresponds to the inner edge shape of the inner ring portion. According to the high-incident bicycle composite material wheel-quantity structure described in the patent application (4), wherein the reinforcing member is in the form of a plate and its shape corresponds to the inner edge shape of the inner ring portion, and the reinforcement is further The piece & recess is provided with a notch. According to the lightweight structure of the 12th Linxu high-duty bicycle composite material rim, the 'reinforcing part is plate-shaped and its shape corresponds to the inner edge shape of the inner ring part, and the reinforcing part There is a perforation extending in the longitudinal direction for the copper head of the spoke to be inserted. The lightweight structure of the high-rigidity bicycle composite rim according to claim 12 of the patent application, wherein the reinforcing member has a plate shape and its shape corresponds to the inner edge shape of the inner ring portion, and the reinforcement is A flap is respectively extended on the upper and lower ends of the piece, and the upper end of the reinforcing member is connected to the bottom surface of the outer ring portion, and the lower end of the reinforcing member is connected to the bottom edge of the inner ring portion. Form No. AOiOi Page 16 of 28 1002001864-0 201228875 19. The lightweight structure of the high rigidity bicycle composite wheel according to claim 12, wherein the reinforcing member has a round tubular shape and has an edge The longitudinal extension extends to allow the copper head of the spoke to be inserted into the through hole, and the upper and lower ends of the reinforcing member respectively extend with a fin, and the upper end of the reinforcing member is connected to the bottom surface of the outer ring portion. And the lower end of the reinforcing member is connected to the bottom of the inner edge of the inner ring portion. ❹ 100101039 Form No. A0101 Page 17 of 28 1002001864-0