TWM240365U

TWM240365U - Spoke wheel hub for bicycle

Info

Publication number: TWM240365U
Application number: TW93208127U
Authority: TW
Inventors: Meggiolan Mario
Original assignee: Campagnolo Srl
Priority date: 2001-08-31
Filing date: 2001-08-31
Publication date: 2004-08-11

Description

捌、新型說明：【新型所屬之技術領域】本創作係有關於一種用於腳踏車，特別係一競賽用腳踏車的輪輻轂。【先前技術】競赛用腳踏車製造廠之主要目的係儘可能地減少單一組件之重量。在輪輻轂方面，習知技術包括使用譬如鋁合金及相似者等金屬輕重量合金。已提出多種減少該輪輻轂重量之解決方案，其中該輪輻轂之中心管狀部件係由結合塑膠材料樹脂之碳纖維製成且其中由紹合金製成之一對側幅蓋係扣緊至該纖維中心部之末端。該等側帽蓋設有用於支持滾動軸承之外殼及用於固定輪輻之孔洞。【新型内容】本創作之目的係提供一種關於上述已知解決方案之重量較輕且表現出較優剛性的輪輻轂。該目的可由包括一中心管狀部及直徑大於該中心部之一對側帽蓋的一車輪輪輻轂達成，其特徵為該輪輻轂包括由纖維強化塑膠材料製成之一單體，且該單體包括該中心部及該等側帽蓋。如本說明書以下部份中之較清楚說明，依據本創作之輪輕穀較已知解決方案者重量輕且更堅硬。對應於形成在該等侧帽蓋内側之滚動軸承外殼的較大剛性將減少該等軸 3 M240365 承上之徑向運動且有助於車輛之組立及定心動作，且在由特別為碳纖維等纖維強化塑膠材料製成車輪輪輞之情況下尤然。【實施方式】第1圖中，參考代碼10係指示一腳踏車車輪，其包括一輪輞12,及藉由複數個輪輻16而連接至輪輞12的一輪輻轂1 4。依據本創作之輪輻轂包括由纖維強化塑膠材料構成之一單體1 8。較佳地，該塑膠材料係一熱固性樹脂且該強化纖維係碳纖維。本體1 8包括一管狀中心部2 0，以及中心部 2 0整合於一體地形成且直徑較該中心部大的一對側帽蓋22。第2圖係顯示預定用於一前輪上之依據本創作之一輪輻轂的一第一型具體實施例。在該第一型具體實施例中，每一帽蓋22設有一固定外殼24，滾動轴承26之外座環即配置於其中。每一帽蓋22皆設有一組孔洞2 8，其用於固定各輪輻1 6之頭部3 0。在習知者中，滾動軸承26係支持著本體1 8環繞一銷 3 2旋轉。第3圖係顯示依據本創作之輪輻轂的一第二型具體實施例。與上述部件相當者係以相同參考代碼指示之。第3 圖中所示之輪輻轂係預定配合於一後輪上。側帽蓋22其中之一（圖式中右側者）係成型為接收一自由輪裝置之一鏈環 M240365 3 4。鏈環3 4可由譬如鋁合金及相似者等輕重量金成。鏈環34設有用於固定輪輻16之孔洞36且具滚動軸承2 6外座環之一固定外殼3 8。鏈環3 4係式連接至一自由輪裝置40。該自由輪係連接至一轂42，變速系統之後小齒輪係連接至該有槽輪；顯示）。鏈環3 4係藉由干涉至形成於各帽蓋22内殼44中而扣緊。另一帽蓋（第3圖中左側者）係如關於前輪輪輻轂者。由碳纖維製成之帽蓋22係賦予輪輻轂1 8 — 徑向剛性。因輪輻1 6之張力所導致之輕重量合· 徑向變形幾乎可忽略。該特徵因依據本創作之輪輪輻16張力不致造成滚動軸承外殼26中的運動別優良。當依據本創作之輪輻轂結合亦由碳纖維強化製成之一輪輞使用時特別優良。在此情況下，該輪輞兩者幾乎未變形且僅輪輻1 6為彈性變形之j 助於車輪定心，並且防止輪輞橢圓形化及輪輻轂非必要地增加。當然，可對此中可考慮之本創作具體實施例型式實施多種變更，且包含於由以下申請專利範之本創作特徵構想中。【圖式簡單說明】藉由以下參考作為非限制用範例之隨附圖式屬合金製有作為一以已知方有槽輪輻 I轂上（未側之一外同上述中相當大之帽蓋22 輻轂中的增加而特塑膠材料輪輻轂及 L件。這有軸承運動的結構及圍所定義所作的詳 5 M240365 細說明來更清楚地解釋本創作。第1圖係具有依據本創作之一輪輻轂的一腳踏車車輪的部份透視圖，第2圖係依據本創作之一前輪之輪輻轂的局部剖面前視圖，第3圖係依據本創作之一後輪之輪輻轂的局部剖面前視圖。【元件代表符號簡單說明】 10 腳踏車車輪 12 輪輞 14 輪輻轂 16 輪輻 18 單體（本體） 20 (管狀）中心部 22 側帽蓋 24 (固定）外殼 26 滚動軸承 28 孔洞 30 頭部 32 銷 34 鏈環 36 孔洞 38 (固定）外殼 6 M240365 40 自由輪裝置 42 有槽輪輻轂 44 外殼说明 Description of the new type: [Technical field to which the new type belongs] This creation relates to a spoke hub for a bicycle, particularly a racing bicycle. [Prior art] The main purpose of a bicycle manufacturer is to reduce the weight of a single component as much as possible. In the field of spoke hubs, conventional techniques include the use of light metal alloys such as aluminum alloys and the like. Various solutions have been proposed to reduce the weight of the spoke hub, wherein the central tubular part of the spoke hub is made of carbon fiber combined with plastic material resin and a pair of side web covers made of Shao alloy are fastened to the fiber center The end of the department. These side caps are provided with a housing for supporting rolling bearings and holes for fixing spokes. [New Content] The purpose of this creation is to provide a spoke hub that is lighter in weight and exhibits superior rigidity with respect to the known solutions described above. This object can be achieved by a wheel spoke hub including a central tubular portion and a pair of side caps larger than the center portion, characterized in that the spoke hub includes a single body made of fiber reinforced plastic material, and the single body Including the center and the side caps. As explained more clearly in the following sections of this manual, the wheel of Light Valley based on this creation is lighter and harder than known solutions. The greater rigidity corresponding to the rolling bearing housings formed inside the side caps will reduce the radial movement carried by the shafts 3 M240365 and help the assembly and centering of the vehicle. This is especially the case for wheel rims made from fiber-reinforced plastic materials. [Embodiment] In the first figure, reference numeral 10 designates a bicycle wheel, which includes a rim 12 and a spoke hub 14 connected to the rim 12 by a plurality of spokes 16. The spoke hub based on this creation consists of a single body 18 made of fiber-reinforced plastic material. Preferably, the plastic material is a thermosetting resin and the reinforcing fiber is a carbon fiber. The main body 18 includes a tubular central portion 20 and a pair of side caps 22 integrally formed integrally with the central portion 20 and having a larger diameter than the central portion. Fig. 2 shows a first embodiment of a spoke hub according to the present invention intended for a front wheel. In this first specific embodiment, each cap 22 is provided with a fixed housing 24, and the outer seat ring of the rolling bearing 26 is disposed therein. Each cap 22 is provided with a set of holes 28 for fixing the head 30 of each spoke 16. In the prior art, the rolling bearing 26 supports the body 18 to rotate around a pin 3 2. Fig. 3 shows a second embodiment of the spoke hub according to the present invention. Components equivalent to those described above are indicated with the same reference code. The spoke hub shown in Figure 3 is intended to fit on a rear wheel. One of the side caps 22 (the one on the right in the drawing) is formed to receive a chain ring M240365 3 4 of a free wheel device. The link 34 may be made of light weight metal such as aluminum alloy and the like. The chain ring 34 is provided with a hole 36 for fixing the spokes 16 of the spokes 16 and a fixed housing 38 with one of the outer bearing rings of the rolling bearing 26. The chain link 3 is connected to a free wheel device 40 in a 4 series. The free wheel train is connected to a hub 42 and the pinion train is connected to the grooved wheel after the transmission system; shown). The chain links 34 are fastened by interfering into the inner shell 44 formed in each cap 22. The other cap (the one on the left in Figure 3) is for the front wheel hub. A cap 22 made of carbon fiber gives the spoke hub 18-radial rigidity. The light weight and radial deformation caused by the tension of the spokes 16 is almost negligible. This feature does not cause the movement in the rolling bearing housing 26 to be excellent because the spoke 16 of the wheel according to the present invention is not tensioned. It is particularly good when the spoke hub combined with this creation is also a rim made of carbon fiber reinforcement. In this case, both of the rims are hardly deformed and only the spokes 16 are elastically deformed. This helps to center the wheel, and prevents the rim from being ovalized and the spoke hubs unnecessary to increase. Of course, a variety of changes can be made to the specific embodiments of the present invention that can be considered in this model, and they are included in the conception of the original creation features of the following patent applications. [Brief description of the drawing] The attached drawing is used as a non-limiting example by the following reference. It is made of alloy with a well-known grooved spoke on the I hub (the outer side is the same as the above-mentioned considerable cap). 22 Spoke hubs are added with special plastic material spoke hubs and L-pieces. This has a detailed description of the structure and surroundings of the bearing movement. 5 M240365 Detailed explanations to explain this creation more clearly. Figure 1 is based on this creation. A partial perspective view of a bicycle wheel with a spoke hub. Figure 2 is a partial cross-sectional front view of the spoke hub of a front wheel according to one of the works. Figure 3 is a partial cross-sectional front view of the spoke hub of a rear wheel according to one of the works. [Simplified explanation of component representative symbols] 10 Bicycle wheels 12 Rim 14 Spoke hub 16 Spoke 18 Single body (body) 20 (Tube) Center 22 Side cap 24 (Fixed) Housing 26 Rolling bearing 28 Hole 30 Head 32 Pin 34 Chain ring 36 Hole 38 (Fixed) Housing 6 M240365 40 Freewheel device 42 Grooved spoke hub 44 Housing

Claims

M240365 patent application scope: 1 · A wheel hub including a central tubular portion (20) and a pair of side caps (22), characterized in that the spoke hub at least contains a fiber-reinforced plastic material A single unit (18), which includes the central portion (20) and the side caps (2 2), the single unit (8) presents an extended hollow inner portion and a plurality of surrounding thin walls, at least One of these side caps (2 2) is provided with a plurality of holes (2 8) for fixing the wheel (1 6). 2. If the spoke hub of item 1 of the patent application scope, at least one of the side caps (22) has a diameter larger than the center portion (20). 3. If the spoke hub of item 2 of the patent application scope, wherein the diameters of the caps (22) on both sides are larger than the central portion (20). 4. The spoke hub according to item 1 of the scope of patent application, in which the caps (22) on both sides are provided with a plurality of holes (28) for fixing the spokes (16). 5 · If the spoke hub of No. 1 in the scope of the patent application, the above-mentioned hole (28) is a closed hole. 6. The spoke hub of item 丨 in the scope of the patent application, wherein the above-mentioned hole (28) is an open hole. 7 · If the spoke hub of item 1 of the scope of patent application, at least one of the side caps (22) is provided with a housing (24) for receiving a rolling bearing (26) outer seat ring. The spoke hub of the scope item 1, wherein one of the side caps (22) is provided with a shell (36) for receiving a chain link (34) and having holes (36) for fixing the spokes (16) 44), and a housing (38) for a rolling bearing (26). 8 M240365 9. The spoke hub of item 1 in the patent application scope, wherein the plastic material is a thermosetting resin. 10. The spoke hub according to item 1 of the patent application scope, wherein the reinforcing fiber is a carbon fiber. 11. A bicycle wheel, comprising a spoke hub as described in any one of the aforementioned claims 1-10. 12 2. The bicycle wheel according to item 11 of the patent application scope, which includes a rim made of fiber reinforced plastic material. I 13. The bicycle wheel according to item 12 of the patent application scope, which includes a light-weight metal alloy rim.

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