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WO2019114351A1 - Structure de moyeu d'automobile en fibre de carbone - Google Patents

Structure de moyeu d'automobile en fibre de carbone Download PDF

Info

Publication number
WO2019114351A1
WO2019114351A1 PCT/CN2018/105918 CN2018105918W WO2019114351A1 WO 2019114351 A1 WO2019114351 A1 WO 2019114351A1 CN 2018105918 W CN2018105918 W CN 2018105918W WO 2019114351 A1 WO2019114351 A1 WO 2019114351A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbon fiber
thickness
spoke
cavity
hub structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/105918
Other languages
English (en)
Chinese (zh)
Inventor
林仁宝
王鲲
黄海林
王景男
王井大
陈顺和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN HONGJI WEIYE INDUSTRIAL Co Ltd
Original Assignee
XIAMEN HONGJI WEIYE INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201711341505.4A external-priority patent/CN108045164A/zh
Priority claimed from CN201711461854.XA external-priority patent/CN108068540A/zh
Application filed by XIAMEN HONGJI WEIYE INDUSTRIAL Co Ltd filed Critical XIAMEN HONGJI WEIYE INDUSTRIAL Co Ltd
Publication of WO2019114351A1 publication Critical patent/WO2019114351A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/06—Rims characterised by means for attaching spokes, i.e. spoke seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B5/00—Wheels, spokes, disc bodies, rims, hubs, wholly or predominantly made of non-metallic material
    • B60B5/02—Wheels, spokes, disc bodies, rims, hubs, wholly or predominantly made of non-metallic material made of synthetic material

Definitions

  • the invention relates to the technical field of automobile wheels, and in particular to a carbon fiber automobile wheel hub structure.
  • the automobile wheel hub is a component that is mounted on the car to support the tire.
  • the car wheel hub is one of the most important moving parts of the car, and has high requirements on its performance, weight and practical life.
  • the wheel structure of a car generally includes wheel thickening and spokes.
  • the industry proposes a wheel hub made of carbon fiber material.
  • the carbon fiber is “outer and soft inside”, the quality is lighter than metal aluminum, but the strength is higher than that of steel. Under the same power, The carbon fiber hub has a more sensitive braking performance than the aluminum alloy wheel, which has better damping and lower fuel consumption.
  • the carbon fiber wheel hub is made by mold sub-molding or material pre-forming technology.
  • the thickness of the product after the mold is partially uneven. In order to preserve the fiber integrity of the carbon fiber, the uneven thickness cannot be machined and finished like the metal material. Then it will lead to the balance problem of the hub installation and affect the driving.
  • the wheel made of carbon fiber is installed on the wheel hub bearing of the automobile and needs to be installed repeatedly. If it is a carbon fiber composite material, the screw hole will be worn and cause the installation balance problem, which affects driving and safety;
  • the carbon fiber automobile wheel hub needs to be locked at the locking position of the rim and the spoke screw. If the screw is removed, the screw hole of the carbon fiber will be worn.
  • the assembly strength of the existing carbon fiber hub is not high enough, and the rim and the spoke cannot be double-locked after being separated.
  • the outer circumference of the existing hub is too thick, which wastes the material of the hub blank casting, increases the manufacturing cost, and does not meet the requirements of lightweight.
  • the object of the present invention is to provide a carbon fiber automobile hub structure capable of strengthening the connection strength between the carbon fiber rim and the carbon fiber spokes, and also reducing the weight of the hub, improving the operability of the automobile, and reducing the energy consumption of the automobile.
  • a carbon fiber automobile hub structure including a carbon fiber rim and a carbon fiber spoke;
  • the carbon fiber rim has a first press-formed connection region, and the first connection region is used for connection a carbon fiber spoke;
  • the first connecting region is provided with a first connecting hole penetrating in a thickness direction thereof;
  • the carbon fiber spoke has a second connection region abutting the first connection region, and the second connection region has a second connection hole corresponding to the first connection hole;
  • the carbon fiber spoke has a pre-embedded metal member on a side of the second connecting region away from the first connecting region, and the embedded metal member is provided with a threaded hole from a side away from the second connecting region toward a direction close to the second connecting region.
  • the threaded hole is connected to the second connecting hole;
  • a screw is fixedly connected to the threaded hole after passing through the first connecting hole and the second connecting hole; a sealing glue is filled at a joint gap between the nut of the screw and the first connecting hole; the outer surface of the nut is covered a layer of yarn forming a layer of yarn;
  • the opposite side of the first connecting region and the second connecting region is coated with a sticky material, and the carbon fiber rim and the carbon fiber spoke are fixedly connected by screws and an adhesive.
  • the carbon fiber hub structure further includes a hub body and a spoke, the hub body is provided with an axial center through hole, and the axial center through hole is used for mounting the inner and outer bearings and the axle;
  • One end of the spoke is connected to the hub body, and the other end is connected to the carbon fiber rim;
  • the carbon fiber rim is disposed along the circumferential direction with a radially concave groove for mounting a tire;
  • the groove is provided in the groove bottom a first cavity extending along the axial direction, the first cavity dividing the groove bottom of the tire groove into a first portion between the tire groove and the first cavity, and a second portion located outside the first cavity The thickness of the first portion is greater than the thickness of the second portion;
  • a second cavity extending along the length of the spoke; the second cavity dividing the inner wall of the spoke into the side walls of the second cavity, and the top and bottom of the top of the second cavity
  • the bottom plate; the thickness of the side walls and the bottom plate of the two sides are greater than the thickness of the top plate.
  • first portion has a thickness of 3-5 mm and the second portion has a thickness of 0.5-1.5 mm.
  • the side wall and the top plate have a thickness of 4-10 mm, and the top plate has a thickness of 1-4 mm.
  • the sidewall and the top plate have the same thickness.
  • the groove bottom of the tire groove is equal or unequal at the thickness of the peripheral boundary portion of the first cavity, and has a thickness of 1-5 mm.
  • the inner walls of the spokes are equal or unequal at the thickness of the peripheral boundary portion of the second cavity, and have a thickness of 1-5 mm.
  • the sand layer has a thickness of 0.2 to 1 mm.
  • the carbon fiber spokes are formed by hollow air blowing, and the spoke wall thickness is 6 mm to 20 mm.
  • the filling sealant is a glue that cures at a high temperature.
  • the sticky substance is a substance that is sticky at a high temperature.
  • the screw has a specification of 3 mm to 10 mm.
  • the present invention has the following effects:
  • the carbon fiber rim and the carbon fiber spoke are locked by bolts and connected by glue, which effectively increases the joint strength between the carbon fiber rim and the carbon fiber spokes, ensures the strength of the entire hub, and achieves a great reduction under the premise of maintaining the strength of the hub.
  • the weight of the hub is a great reduction.
  • the rim and spoke can be designed as a hollow structure.
  • the weight of the hollow structure product can be designed to be lighter, improving the operability and energy consumption of the vehicle.
  • the hollow structure acts like a honeycomb material structure, forming a frame feature that forces the hub to have a better strength value.
  • the car wheel has better comfort and the carbon fiber has better shock absorption and energy absorption function, which can improve the comfort of the car.
  • the hollow structure carbon fiber automobile wheel hub can obtain better surface quality and better effect than the solid process.
  • the production process of the hollow structure carbon fiber automobile wheel hub is more stable and easier to produce than the solid process.
  • Figure 1 is a schematic view of a hub of the present invention.
  • FIG. 2 is a cross-sectional view showing the structure of a carbon fiber automobile hub.
  • Figure 3 is a partial enlarged view of a portion A of Figure 2.
  • Figure 4 is a cross-sectional view of the spoke.
  • a carbon fiber automobile hub structure comprising a carbon fiber rim 1, a carbon fiber spoke 2, a hub body 3 and a plurality of spokes 4, the carbon fiber rim 1 having a hard press formed first connection region 11 for connecting the carbon fiber spokes 2
  • the first connecting region 11 is provided with a first connecting hole 12 in the thickness direction thereof; the first connecting region 11 of the carbon fiber rim 1 is formed by hard pressing to ensure sufficient strength and precise bonding size of the carbon fiber rim 1 .
  • the carbon fiber spoke 2 has a second connection region 21 that interfaces with the first connection region 11, and the second connection region 21 has a second connection hole 22 corresponding to the first connection hole 12.
  • the carbon fiber spokes 2 are formed by hollow air blowing, which can increase the strength and weight of the carbon fiber spokes 2, and the carbon fiber spokes 2 have a wall thickness of 6 mm to 20 mm.
  • the carbon fiber spoke 2 has a pre-embedded metal member 23 on a side of the second connection region 21 remote from the first connection region 11, and the embedded metal member 23 is disposed from a side away from the second connection region 21 toward a direction close to the second connection region 21.
  • the threaded hole 24 and the threaded hole 24 communicate with the second connecting hole 22.
  • the embedded metal member 23 is pre-buried inside the carbon fiber spoke 2 when the carbon fiber spoke 2 is blow molded, and the threaded hole 24 is formed by the tapping after the carbon fiber spoke 2 is molded.
  • a screw 25 is fixedly connected to the threaded hole 24 through the first connecting hole 12 and the second connecting hole 22, and the screw 25 has a specification of M6.
  • the joint gap between the nut of the screw 25 and the first connecting hole 12 is filled with a sealant 26, and the sealant 26 functions to screw the screw 25 with the threaded hole 24 so that the screw 25 does not come loose and the thread is threaded.
  • the joint is sealed, and the sealant 26 is a glue that cures at a high temperature, such as a high temperature glue.
  • the outer surface of the nut is covered with a layer of yarn 27 having a thickness of 0.5 mm. The function of the sand layer 27 is to cover the nut of the screw 25, which is more beautiful and can seal the nut.
  • the opposite sides of the first connection region 11 and the second connection region 21 are coated with a sticky substance 28, and the carbon fiber rim 1 and the carbon fiber spoke 2 are supported by screws. 25 and the adhesive material 28 are fixedly connected together.
  • the adhesive material 28 is a substance that cures and sticks at a high temperature.
  • the hub body 3 is provided with an axial center through hole for mounting the inner and outer bearings and the axle.
  • One end of each spoke 4 is connected to the hub body 3, and the other end is connected to the carbon fiber rim 2.
  • the carbon fiber rim 2 is disposed along the circumferential direction with a radially concave groove 29 for mounting a tire.
  • the groove bottom of the groove 29 is provided with a first cavity 210 extending in the axial direction, the first cavity. 210 divides the groove bottom of the bead 29 into a first portion 211 between the sidewall 29 and the first cavity 210, and a second portion 212 located outside the first cavity 210.
  • the thickness of the first portion 211 is greater than the thickness of the second portion 212, specifically, the thickness of the first portion 211 is 3 mm, and the thickness of the second portion 212 is 1 mm.
  • a second cavity 41 is defined in the spoke 4 along its own length.
  • the second cavity 41 divides the inner wall of the spoke 4 into the side wall 42 on both sides of the second cavity 41 and the top plate 43 on the top of the second cavity 41. And the bottom plate 44 at the bottom.
  • the side walls 42 and the bottom plate 44 are the force receiving faces, and the top plate 43 is the non-stressed face. Therefore, the thickness of the side walls 42 and the bottom plate 44 on both sides are greater than the thickness of the top plate 43.
  • the thickness of the side wall 42 and the top plate 43 is 4-10 mm
  • the thickness of the top plate 43 is 1-4 mm.
  • the thickness of the side wall 42 and the top plate 43 are the same. In a specific design, the thickness of the two may be set to be different as long as the respective strength requirements can be met.
  • the groove bottom of the tire groove 29 or the inner wall of the spoke 4 there is a transition region at the boundary portion of the first cavity 210 and the second cavity 41, and the first portion 211 and the second portion 212 are connected.
  • the side wall 42, the top plate 43, and the bottom plate 44 are joined.
  • the thickness of the portion of the transition region is equal or unequal, and the thickness is 1-5 mm.
  • This product is a carbon fiber material automobile wheel hub product. It adopts carbon fiber material to design and manufacture automobile wheel hub products.
  • the product structure is designed as hollow structure, and it has passed the VIA and JIS automobile wheel hub strength testing standard.
  • the structure of the product is hollow structure, which is convenient for carbon fiber material technology. Realize, improve the appearance quality and aesthetics of the product, and reduce the weight of the car wheel hub, improve the comfort of use, improve the operability of the car and use energy consumption.
  • the above-mentioned hub product is stronger, and the hollow structure is like a honeycomb material structure, forming a frame characteristic force, so that the hub has a better strength value.
  • the car wheel has better comfort and the carbon fiber has better shock absorption and energy absorption, which can improve the comfort of the car.
  • Hollow-structure carbon fiber automotive wheels can achieve better surface quality and better results than solid processes.
  • the production process of the hollow structure carbon fiber automobile wheel hub is more stable and easier to produce than the solid process.
  • the carbon fiber automobile wheel hub structure of the present invention the carbon fiber rim 1 and the carbon fiber spoke 2 are locked by screws 25 and connected by adhesive, which effectively increases the connection strength between the carbon fiber rim 1 and the carbon fiber spoke 2, and ensures the entire wheel hub.
  • the carbon fiber rim 1 and the spoke 4 are hollow structures, and the production process of the hollow structure carbon fiber automobile wheel hub is more stable and easier to produce than the solid process, and the hollow structure is like a honeycomb material structure, forming a frame characteristic force, so that the wheel hub has better strength value, and at the same time, It reduces the weight of the car wheel, improves the comfort of use, and improves the operability and energy consumption of the car.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Tires In General (AREA)

Abstract

La présente invention concerne une structure de moyeu en fibre de carbone comprenant des jantes en fibre de carbone (1) et des rayons en fibre de carbone (2); la jante en fibre de carbone (1) est pourvue d'une première zone de raccordement pressée dure (11), la première zone de raccordement (11) étant utilisée pour le raccord des rayons en fibre de carbone (2), et la première zone de raccordement (11) étant pourvue d'un premier trou de raccordement (12) agencé de façon pénétrante le long de la direction de son épaisseur. Le rayon en fibre de carbone (2) comprend une seconde zone de raccordement (21) venant en butée contre la première zone de raccordement (11), la seconde zone de raccordement (21) étant pourvue d'un second trou de raccordement (22) correspondant au premier trou de raccordement (12). Le rayon en fibre de carbone (2) comprend une partie métallique pré-incorporée (23) sur un côté de la seconde zone de raccordement (21) éloigné de la première zone de raccordement (11); un trou fileté (24) est disposé sur la partie métallique pré-incorporée (23), et le trou fileté (24) communique avec le second trou de raccordement (22). La jante en fibre de carbone (1) et le rayon en fibre de carbone (2) sont raccordés à demeure l'un à l'autre à l'aide d'une vis (25) et d'une substance adhésive (28). La jante en fibre de carbone (1) et le rayon en fibre de carbone (2) sont verrouillés au moyen de la vis (25) et raccordés au moyen de la substance adhésive (28) de façon à augmenter efficacement la force de raccordement entre la jante en fibre de carbone (1) et le rayon en fibre de carbone (2), ce qui garantit ainsi la résistance de l'ensemble du moyeu.
PCT/CN2018/105918 2017-12-14 2018-09-17 Structure de moyeu d'automobile en fibre de carbone Ceased WO2019114351A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201711341505.4A CN108045164A (zh) 2017-12-14 2017-12-14 一种汽车轮毂的结构
CN201711341505.4 2017-12-14
CN201711461854.XA CN108068540A (zh) 2017-12-28 2017-12-28 一种碳纤维汽车轮毂结构
CN201711461854.X 2017-12-28

Publications (1)

Publication Number Publication Date
WO2019114351A1 true WO2019114351A1 (fr) 2019-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/105918 Ceased WO2019114351A1 (fr) 2017-12-14 2018-09-17 Structure de moyeu d'automobile en fibre de carbone

Country Status (1)

Country Link
WO (1) WO2019114351A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240017568A1 (en) * 2022-07-14 2024-01-18 Advanced International Multitech Co., Ltd. Multi-piece wheel rim and method of fastening components thereof together

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205853745U (zh) * 2016-08-17 2017-01-04 中信戴卡股份有限公司 一种组合式车轮
CN107000471A (zh) * 2014-10-27 2017-08-01 堤森克鲁波碳零件有限公司 在轮缘与轮盘之间具有连接的车轮以及用于制造此种车轮的方法
CN206664156U (zh) * 2017-03-24 2017-11-24 厦门集质复材科技有限公司 一种碳纤维轮辋与辐条的连接结构
CN108045164A (zh) * 2017-12-14 2018-05-18 厦门鸿基伟业复材科技有限公司 一种汽车轮毂的结构
CN108068540A (zh) * 2017-12-28 2018-05-25 厦门鸿基伟业复材科技有限公司 一种碳纤维汽车轮毂结构
CN207711704U (zh) * 2017-12-28 2018-08-10 厦门鸿基伟业复材科技有限公司 碳纤维汽车轮毂结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107000471A (zh) * 2014-10-27 2017-08-01 堤森克鲁波碳零件有限公司 在轮缘与轮盘之间具有连接的车轮以及用于制造此种车轮的方法
CN205853745U (zh) * 2016-08-17 2017-01-04 中信戴卡股份有限公司 一种组合式车轮
CN206664156U (zh) * 2017-03-24 2017-11-24 厦门集质复材科技有限公司 一种碳纤维轮辋与辐条的连接结构
CN108045164A (zh) * 2017-12-14 2018-05-18 厦门鸿基伟业复材科技有限公司 一种汽车轮毂的结构
CN108068540A (zh) * 2017-12-28 2018-05-25 厦门鸿基伟业复材科技有限公司 一种碳纤维汽车轮毂结构
CN207711704U (zh) * 2017-12-28 2018-08-10 厦门鸿基伟业复材科技有限公司 碳纤维汽车轮毂结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240017568A1 (en) * 2022-07-14 2024-01-18 Advanced International Multitech Co., Ltd. Multi-piece wheel rim and method of fastening components thereof together

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