1330599 九、發明說明： 【發明所屬之技術領域】 本發明與自行車、機車等相關的交通工具有關，特別 是有關於一種交通工具之輪圈。 5【先前技術】 傳統用於自行車、摩托車或其他運輪工具的輪圈都是 由Is合金擠型或軋鋼所製成。這兩種製法都是將長條狀的 銘合金或鋼材滾壓成圓箱狀後’再把兩端焊接起來，最後 在輪圈的表面鑽出複數供鋼絲銅頭穿置的銅頭孔以及一供 10輪胎之氣嘴穿置之氣嘴孔。 然而’輪圈在焊接處的強度往往都比輪圈其他位置的 強度脆弱，且為了防止輪胎受到焊接處不規則的表面影響 而突然爆裂’因此’輪圈的焊接處通常會再經過抛光處理， 但是經過拋光處理後’會削薄焊接處的厚度而更惡化焊接 I5處的強度，使得輪圈受到過大的外力時容易從焊接處損 壞。另外，利用上述兩種方法製成的輪圈必須使用延展性 佳的材料，但是延展性佳的材料卻可能造成輪圈受到過大 外力時扭曲變形。 20【發明内容】 本發，之主要目的在於提供一種交通工具之輪圈，其 結構強度南’不易變形損壞。 本發明之次-目的在於提供一種交通工具之輪圈，並 可降低製造成本。 ~ 4 與的节本第發明鬥之輪圈包含有-第-圓形框體 计略 體該第一圓形框體具有一左側面與一右 第-圓:二—圓形框體具有—左側面與-右側面，其中該 接，藉以形成該輪圈/第—圓雜體的右側面相互固 輪圈=到透=1 面的相互固接，可平均分擔該 本發明可_焊接輪圈的結翻I而且， 第1縣卩接財式結合糾―®形桓體與該 而不需要過多的加工過程，可有效降低製 【實施方式】 兹配合圖式辟町較佳實關1崎本發明之结 構及功效進行詳細說明；其中所用圖式先簡要說明如下·· 第一圖為本發明第一較佳實施例之立體分解圖； 第二圖為本發明第一較佳實施例之立體圖； 第三圖為—局部放大®，主要顯示支撐件之態樣，· 第四圖為剖視圖，主要顯示第一圓形框體與第二圓 形框體結合之狀態；以及 第五圖為本發明第二較佳實施例之局部立體圖。 。月先參閲第二圖，為本發明第一較佳實施例之交通工 具之輪圈（10),輪圈（10)包含有一第—圓形框體(2〇)、一第 二圓形框體(30)、若干支撐片（40)與若干固定件(5〇)。 第一圓形框體(20)係由鍛造方式一體成型所製成。請配 1330599 合參閱第四圖，第一圓形框體(20)具有一第一基環部(21)與 一第一凸環部(22) ’其中第一凸環部(22)具有一第一底壁 Q3)、一第一結合壁(24)與一第一環垣(25)。第一底壁(23) 由第一基環部(21)之底端向左延伸而出；第一結合壁(24)由 5第一底壁(23)的左端向下延伸而出；第一環垣(24)則由第一 結合壁(24)的底端往第一基環部(21)的方向延伸而出，使得 第一結合壁(24)的左側面形成第一凸環部(22)的左端面，亦 即形成第一圓形框體(20)之左侧面(202)，而第一基環部(21) 的右侧面形成第一圓形框體(2〇)的右侧面(204)。另外，第 10 —底壁(23)具有複數等間隔排列之第一穿孔(232)，如第一 圖所示，用以供輻條扳手穿置；第一結合壁(24)具有複數等 間隔排列之第一固定孔(242)(如第三圖所示）；第一環垣(25) 則具有複數等間隔排列之第一凹槽(252)，如第一圖所示， 用以供輻條銅頭（12)容置，如第四圖所示。各第一穿孔(232) I5與各第一凹槽(252)相互對應，而各第一固定孔(242)位於二 第一穿孔(232)與二第一凹槽(252)之間。此外，第一圓形框 體(20)於第一凸環部(21)形成出一第一弧槽(26)，如第二圖 所示。 第二圓形框體(30)同樣由鍛造方式一體成型所製成。請 20配合參閱第四圖，第二圓形框體(30)具有一第二基環部(31) 與一第二凸環部(32)，其中第二凸環部(32)具有一第二底壁 (33)、一第二結合壁(34)與一第二環垣(35)。第二底壁(33) 由第二基環部(31)的底端向右延伸而出；第二結合壁(34)由 第二底壁(33)的右端向下延伸而出；第二環垣(35)由第二結 6 丄 wioyy 合壁(34)的底端往第二基環部(31)的方向延伸而丨，使得第 一、、》σ壁(34)的右側面形成第二凸環部(32)的右端面，亦即 形成第二圓形框體(30)之右側面(302)，而第二基環部(31) 的左侧面則形成第二圓形框體(30)的左側面(3〇4)。另外， 5第一底壁(33)具有複數等間隔排列之第二穿孔(332)，同樣 供輻條扳手穿置；第二結合壁(34)具有複數等間隔排列之第 一固定孔(341)(如第二圖所示）；第二環垣(35)則具有複數等 間隔排列之第二凹槽(354)，同樣供輻條銅頭（12)容置。各 第二穿孔(332)與各第二凹槽(354)相互對應，且各第二穿孔 ίο (332)、各第二凹槽(354)和各第一穿孔(232)、各第一凹槽 (252)係相互交錯排列。第二固定孔(341)則位於二第二穿孔 (332)與二第二凹槽(354)之間，且連通第一固定孔(242)。此 外’第二圓形框體(3〇)於第二凸環部(32)亦形成出一第二弧 槽(36)，如第二圖所示。 15 請配合參閱第三圖，支撐片（40)具有一基部(42)與二翼 部(44)。基部(42)的底面固設於各凸環部(22，32)之環垣 (25，35)頂面，且具有一凹槽(422)，基部(42)之凹槽(422) 連通各環垣(25，35)之凹槽(252，354)，且與各環垣(25，35) 之凹槽(252，354)方向相反，用以將輻條銅頭（12)固定在基 2〇部(42)之凹槽(422)與各環垣(25,35)之凹槽(252,354)之間。 各翼部(44)的兩端則分別傾斜地連接基部(42)與各凸環部 (22 ’ 32)之底壁(23，33)底面。另外，支撐件(4〇)於第一圓 形框體(20)的位置與於第二圓形框體(30)的位置係交錯排 列，用以增加第一圓形框體(20)與第二圓形框體(3〇)之結構 7 1330599 強度。 固定件(50)為鉚釘。固定件(50)穿過第一結合壁(24)之 第一固定孔(242)與第二結合壁(34)之第二固定孔(341)，用 以將第一結合壁(24)之左側面與第二結合壁(34)之右側面 5固接在一起’亦即將第一圓形框體(20)之左側面(2〇2)與第 二圓形框體(30)之右側面(3〇2)相互固接而形成輪圈（1〇)，使 第一基環部(21)、第一底壁(23)、第二基環部(31)與第二底 • 壁(33)圍繞出一輪胎槽(60),用以供輪胎卡合，如第四圖所 示，並使第一弧槽(26)與第二弧槽(36)形成出一圓形的氣嘴 1〇孔(62)，如第一圖所示，用以供輪胎之氣嘴穿置。 經由上述結構，由於第一圓形框體(2〇)與第二圓形框體 (30)都是由鍛造方式一體成型所製成，結構強度高且延展性 低，使得第一圓形框體(20)與第二圓形框體(3〇)結合而成之 輪圈（10)受到過大外力時，不容易產生扭曲變形，而且，利 15用鍛造方式所製成之第一圓形框體(20)與第二圓形框體(3〇) • 除了可直接製造出輪圈（1〇)的形狀而減少過多的加工過 程，用以有效降低製造成本之外’並可讓第一圓形框體(2〇) 與第二圓形框體(30)的表面質地較為緻密，在裝設輪胎時， 可避免傷害輪胎的結構。另外，在本實施例中，第一圓形 20框體(20)之左侧面(202)與第二圓形框體(3 〇)之右側面(3 〇2) 係用鉚接的方式相互固定，當然亦可由焊接或其他已知技 術加以固定，而透過面與面的接觸，可平均分擔輪圈 所受到的外力而有效增加輪圈（1〇)的結構強度，用以解決習 用輪圈在焊接處的結構強度較弱的問題。 8 1330599 請參閱第五圖，為本發明第二較佳實施例所提供之輪 圈(7〇)’其主要結構與上述實施例大致相同，惟其差異在於： 第一圓形框體(80)之第一凸環部(82)的第一底壁(83)由 第一基環部(81)的左側面水平地延伸而出，而第一凸環部 5 (82)之第一環垣(84)則由第一基環部⑼的左侧面底端傾斜 地延伸而出，使第一底壁(83)與第一環垣(84)之間具有一角 度（α)，其中第一基環部(81)之右側面形成第一圓形框體(8〇) • 之右側面，第一底壁(83)之左端面與第一環垣(84)之左端面 係位於同一水平面上而形成第一凸環部(82)之左端面，亦即 1〇形成第一圓形框體(80)之左側面。 第二圓形框體(90)之第二凸環部(92)的第二底壁(93)由 第二基環部(91)的右側面水平地延伸而出，而第二凸環部 (92)之第二環垣(94)則由第二基環部(91)的右側面底端傾斜 地延伸而出，使第二底壁(93)與第二環垣(94)之間具有一與 15角度（α)相同大小之角度（沒）。第二基環部(91)之左側面形 • 成第二圓形框體(90)之左侧面，第二底壁(93)與第二環垣(94) 之右端面係位於同一水平面上而形成第二凸環部(92)之右 端面’亦即形成第二圓形框體(90)之右側面。第二底壁(93) 之右端面與第一底壁(83)之左端面相互焊接固定（亦可用黏 2〇著劑固定）’而第二環垣(94)之右端面與第一環垣(84)之左端 面亦相互焊接固定（亦可用黏著劑固定），使得第一底壁 (83)、第二底壁(93)、第一環垣(84)與第二環垣(94)之間圍繞 出一中空區域(100)。 支#片（110)等間隔地設於第一凸環部(82)之第一環垣 9 1330599 (84)底面與第二凸環部(92)之第二環垣(94)底面，且支樓片 (110)於第一環垣(84)的位置與於第二環垣(94)的位置係交 錯排列，用以增加輪圈(70)的結構強度。支撐片（11〇)之基部 (112)具有一穿孔(116)，用以供輻條銅頭容置，穿孔(116)中 5心軸的延長線會通過輪圈(7〇)之轉動軸心。各翼部（114)的兩 端則分別彎曲地連接基部（112)與各環垣(84，94)之底面。 在本實施例中，第一圓形框體(80)與第二圓形框體(9〇) 癱 同樣皆由鍛造方式所製成，讓本實施例之輪圈(70)具有前一 實施例的優點。此外，第一圓形框體(8〇)與第二圓形框體(9〇) w f合之後，透過中空區域(100)的設計可減輕輪圈（7〇)的重 量。再者，穿孔(116)的設計可讓輻條銅頭顯露於外，用以 方便使用者利用輻條扳手直接進行調整，而不需要在第一 底壁（83)與第二底壁(93)再開設出供輻條扳手穿置之通 如此來，本實加例之輪圈(70)不僅可適用於一般具有 15⑽胎的輪胎’更可朗於無⑽之輪胎。 、 • 藉此，本發明之輪圈利用鍛造的方式設計出兩種不同 冑面形狀之圓形框體，可解決習用輪圈在焊接處有結構弱 點的問題’使本發明之結構強度高，不容易變形損壞。而 且，透過锻造的方式，可快速地製造出輪圈的形狀，並不 20 ^要再經過多次的加工，用以有效降低製造成本。 10 1330599 【圖式簡單說明】 第一圖為本發明第一較佳實施例之立體分解圖。 第二圖為本發明第一較佳實施例之立體圖。 第三圖為一局部放大圖，主要顯示支撐件之態樣。 第四圖為一剖視圖，主要顯示第一圓形框體與第二圓 形框體結合之狀態。 第五圖為本發明第二較佳實施例之局部立體圖。 肇 11 1330599 【主要元件符號說明】1330599 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to vehicles related to bicycles, locomotives, and the like, and more particularly to a rim of a vehicle. 5 [Prior Art] The rims traditionally used for bicycles, motorcycles or other wheel tools are made of Is alloy extruded or rolled steel. In both methods, the long-shaped alloy or steel is rolled into a round box shape, and then the two ends are welded together. Finally, a plurality of copper hole holes for the steel wire copper head are drilled on the surface of the rim and A nozzle hole for the nozzle of 10 tires. However, 'the strength of the rim at the weld is often weaker than the strength of the other positions of the rim, and in order to prevent the tire from suddenly bursting due to the irregular surface of the weld, the weld of the rim is usually polished again. However, after the polishing treatment, the thickness of the welded portion is thinned to deteriorate the strength at the welding I5, so that the rim is easily damaged from the welded portion when subjected to an excessive external force. In addition, the rim made by the above two methods must use a ductile material, but the ductile material may cause the rim to be distorted when subjected to excessive external force. 20 [Summary of the Invention] The main purpose of the present invention is to provide a rim of a vehicle whose structural strength is hard to be deformed and damaged. The second aspect of the present invention is to provide a rim for a vehicle and to reduce manufacturing costs. ~ 4 和 节 The first invention of the bucket wheel comprises a --circular frame body. The first circular frame has a left side and a right first - circle: two - a circular frame has - The left side surface and the right side surface, wherein the connection is formed, thereby forming the right side surface of the rim/the first circular body and the mutual fixing rim = the surface of the permeable surface is fixed to each other, and the welding wheel of the present invention can be evenly shared. The knot of the circle is turned over and the first county is connected with the financial type and the ― 桓 桓 与 与 该 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不 而不The structure and function of the present invention are described in detail. The drawings are briefly described below. The first figure is an exploded perspective view of the first preferred embodiment of the present invention. The second figure is the first preferred embodiment of the present invention. The third figure is - partial enlargement ®, mainly showing the state of the support member, and the fourth figure is a cross-sectional view, mainly showing the state of the first circular frame combined with the second circular frame; and the fifth figure A partial perspective view of a second preferred embodiment of the present invention. . Referring to the second figure, a rim (10) of a vehicle according to a first preferred embodiment of the present invention, the rim (10) includes a first circular frame (2 〇) and a second circular shape. The frame body (30), a plurality of support pieces (40) and a plurality of fixing members (5 inches). The first circular frame (20) is integrally formed by forging. Please refer to the fourth figure. The first circular frame body (20) has a first base ring portion (21) and a first convex ring portion (22). The first convex ring portion (22) has a first The first bottom wall Q3), a first bonding wall (24) and a first ring (25). The first bottom wall (23) extends leftward from the bottom end of the first base ring portion (21); the first joint wall (24) extends downward from the left end of the fifth first bottom wall (23); a ring 垣 (24) extends from the bottom end of the first binding wall (24) toward the first base ring portion (21) such that the left side of the first bonding wall (24) forms a first convex ring portion The left end surface of (22), that is, the left side surface (202) of the first circular frame body (20), and the right side surface of the first base ring portion (21) forms a first circular frame body (2〇) The right side of the ) (204). In addition, the 10th bottom wall (23) has a plurality of first perforations (232) arranged at equal intervals, as shown in the first figure, for the spoke wrench to be worn; the first bonding wall (24) has a plurality of equal intervals a first fixing hole (242) (as shown in the third figure); the first ring (25) has a plurality of first grooves (252) arranged at equal intervals, as shown in the first figure, for the spokes The copper head (12) is accommodated as shown in the fourth figure. Each of the first through holes (232) I5 and the first grooves (252) correspond to each other, and each of the first fixing holes (242) is located between the two first through holes (232) and the two first grooves (252). Further, the first circular frame (20) forms a first arc groove (26) in the first convex ring portion (21) as shown in the second figure. The second circular frame (30) is also integrally formed by forging. Referring to FIG. 4, the second circular frame body (30) has a second base ring portion (31) and a second convex ring portion (32), wherein the second convex ring portion (32) has a first a bottom wall (33), a second joint wall (34) and a second loop (35). a second bottom wall (33) extending rightward from a bottom end of the second base ring portion (31); a second coupling wall (34) extending downward from a right end of the second bottom wall (33); The ring (35) extends from the bottom end of the second knot 6 丄wioyy wall (34) toward the second base ring portion (31), so that the right side of the first, "σ wall (34) is formed. The right end surface of the second convex ring portion (32), that is, the right side surface (302) of the second circular frame body (30), and the left side surface of the second base ring portion (31) form a second circular shape The left side of the frame (30) (3〇4). In addition, the first bottom wall (33) has a plurality of second perforations (332) arranged at equal intervals, and is also provided for the spoke wrench; the second bonding wall (34) has a plurality of first fixing holes (341) arranged at equal intervals. (As shown in the second figure); the second ring (35) has a plurality of second grooves (354) arranged at equal intervals, also for the spoke copper head (12). Each of the second through holes (332) and the respective second grooves (354) correspond to each other, and each of the second perforations ίο (332), each of the second grooves (354) and each of the first perforations (232), each of the first concaves The grooves (252) are staggered with each other. The second fixing hole (341) is located between the second second through hole (332) and the second second groove (354), and communicates with the first fixing hole (242). Further, the second circular frame (3) is also formed with a second arc groove (36) in the second convex ring portion (32) as shown in the second figure. 15 Referring to the third figure, the support piece (40) has a base (42) and two wings (44). The bottom surface of the base portion (42) is fixed on the top surface of the ring ridges (25, 35) of each of the convex ring portions (22, 32), and has a groove (422), and the groove (422) of the base portion (42) communicates with each other. The groove (252, 354) of the ring (25, 35) is opposite to the groove (252, 354) of each ring (25, 35) for fixing the spoke copper head (12) to the base 2 The groove (422) of the crotch portion (42) is interposed between the groove (252, 354) of each ring (25, 35). Both ends of each wing portion (44) are obliquely connected to the bottom surfaces of the base portion (42) and the bottom walls (23, 33) of the respective collar portions (22' 32). In addition, the position of the support member (4〇) at the first circular frame body (20) and the position of the second circular frame body (30) are staggered to increase the first circular frame body (20) and Structure of the second circular frame (3〇) 7 1330599 Strength. The fixing member (50) is a rivet. The fixing member (50) passes through the first fixing hole (242) of the first bonding wall (24) and the second fixing hole (341) of the second bonding wall (34) for the first bonding wall (24) The left side surface and the right side surface 5 of the second joint wall (34) are fixed together. That is, the left side surface (2〇2) of the first circular frame body (20) and the right side of the second circular frame body (30) The faces (3〇2) are fixed to each other to form a rim (1〇), such that the first base ring portion (21), the first bottom wall (23), the second base ring portion (31) and the second bottom wall (33) surrounding a tire groove (60) for engaging the tire, as shown in the fourth figure, and forming a circular gas between the first arc groove (26) and the second arc groove (36) The mouth 1 bore (62), as shown in the first figure, is used for the nozzle of the tire to be worn. Through the above structure, since the first circular frame body (2〇) and the second circular frame body (30) are both integrally formed by forging, the structural strength is high and the ductility is low, so that the first circular frame When the rim (10) combined with the second circular frame (3 〇) is subjected to excessive external force, it is not easy to be distorted, and the first circular shape made by forging is used. Frame (20) and second circular frame (3〇) • In addition to the shape of the rim (1〇) can be directly manufactured to reduce excessive processing, to effectively reduce manufacturing costs, and allow The surface of the circular frame (2〇) and the second circular frame (30) is relatively dense, and the structure of the tire can be avoided when the tire is installed. In addition, in the present embodiment, the left side surface (202) of the first circular 20 frame body (20) and the right side surface (3 〇 2) of the second circular frame body (3 系) are mutually riveted. Fixing, of course, can also be fixed by welding or other known techniques, and the contact between the surface and the surface can equally share the external force received by the rim and effectively increase the structural strength of the rim (1〇) to solve the conventional rim. The problem of weak structural strength at the weld. 8 1330599 Please refer to the fifth figure, the rim (7〇) provided by the second preferred embodiment of the present invention has the same main structure as the above embodiment, except that the difference is: the first circular frame (80) The first bottom wall (83) of the first convex ring portion (82) is horizontally extended from the left side surface of the first base ring portion (81), and the first ring portion of the first convex ring portion 5 (82) (84) extending obliquely from the bottom end of the left side of the first base ring portion (9) such that the first bottom wall (83) and the first ring (84) have an angle (α), wherein the first The right side surface of the base ring portion (81) forms a right side surface of the first circular frame body (8 〇), and the left end surface of the first bottom wall (83) is at the same horizontal plane as the left end surface of the first ring 垣 (84) The left end surface of the first convex ring portion (82) is formed upward, that is, the left side surface of the first circular frame body (80) is formed. The second bottom wall (93) of the second convex ring portion (92) of the second circular frame body (90) is horizontally extended from the right side surface of the second base ring portion (91), and the second convex ring portion The second ring (94) of (92) extends obliquely from the bottom end of the right side of the second base ring portion (91) such that there is a relationship between the second bottom wall (93) and the second ring (94). An angle of the same size as 15 angles (α) (no). The left side surface of the second base ring portion (91) is formed on the left side of the second circular frame body (90), and the second bottom wall (93) and the right end surface of the second ring frame (94) are at the same horizontal plane. The right end surface of the second convex ring portion (92) is formed to form a right side surface of the second circular frame body (90). The right end surface of the second bottom wall (93) and the left end surface of the first bottom wall (83) are welded to each other (may also be fixed by a bonding agent) and the right end surface of the second ring (94) and the first ring The left end faces of the cymbals (84) are also welded to each other (and may be fixed by an adhesive) such that the first bottom wall (83), the second bottom wall (93), the first ring 84 (84) and the second ring 垣 (94) ) surrounds a hollow area (100). The spacers (110) are equally spaced on the bottom surface of the first ring 垣 9 1330599 (84) of the first convex ring portion (82) and the bottom surface of the second ring 94 (94) of the second convex ring portion (92), and The position of the branch piece (110) at the position of the first ring (84) and the position of the second ring (94) are staggered to increase the structural strength of the rim (70). The base portion (112) of the support piece (11) has a through hole (116) for receiving the spoke copper head, and the extension line of the 5 mandrel in the through hole (116) passes through the rotation axis of the rim (7〇). . Both ends of each wing portion (114) are curvedly connected to the bottom surface of each of the base portion (112) and each of the ring jaws (84, 94). In this embodiment, the first circular frame body (80) and the second circular frame body (9〇) are also made by forging, so that the rim (70) of the embodiment has the previous implementation. The advantages of the example. Further, after the first circular frame (8〇) is combined with the second circular frame (9〇) wf, the design of the hollow region (100) can reduce the weight of the rim (7〇). Moreover, the perforation (116) is designed to allow the spoke copper head to be exposed, so that the user can directly adjust the spoke wrench without the need for the first bottom wall (83) and the second bottom wall (93). In this way, the rim of the spoke wrench can be used. The rim (70) of the present invention can be applied not only to a tire having a tire of 15 (10) tires, but also to a tire having no (10). Therefore, the rim of the present invention designs two circular frames with different kneading shapes by forging, which can solve the problem that the conventional rim has structural weakness at the welded portion, which makes the structural strength of the present invention high. Not easily deformed and damaged. Moreover, through the forging method, the shape of the rim can be quickly manufactured, and it is not necessary to perform multiple times of processing to effectively reduce the manufacturing cost. 10 1330599 BRIEF DESCRIPTION OF THE DRAWINGS The first figure is an exploded perspective view of a first preferred embodiment of the present invention. The second figure is a perspective view of a first preferred embodiment of the present invention. The third figure is a partial enlarged view, mainly showing the aspect of the support member. The fourth figure is a cross-sectional view showing mainly the state in which the first circular frame is combined with the second circular frame. Figure 5 is a partial perspective view of a second preferred embodiment of the present invention.肇 11 1330599 [Description of main component symbols]
10 1510 15
輪圈（10) 左側面(202) 第一凸環部P2) 第一結合壁(24) 第一凹槽(252) 右側面(3 02) 第二凸環部P2) 第二結合壁(34) 第二凹槽(354) 基部(42) 固定件(50) 輪圈(70) 第一凸環部(82) 角度（〇〇 第二凸環部(92) 角度（/5) 基部(112) 輻條銅頭（12) 右側面(204) 第一底壁(23) 第一固定孔(242) 第一弧槽(26) 左側面(304) 第二底壁(33) 第二固定孔(341) 第二弧槽(36) 凹槽(422) 輪胎槽(60) 第一圓形框體(80) 第一底壁(83) 第二圓形框體(90) 第二底壁(93) 中空區域(1〇〇) 翼部(114) 第一圓形框體(20) 第一基環部(21) 第一穿孔(232) 第一環垣(25) 第二圓形框體(30) 第二基環部(31) 第二穿孔(332) 第二環垣(35) 支撐片（40) 翼部(44) 氣嘴孔(62) 第一基環部(81) 第一環垣(84) 第二基環部(91) 第二環垣(94) 支撐片（110) 穿孔(116) 12Rim (10) Left side face (202) First convex ring part P2) First joint wall (24) First groove (252) Right side face (3 02) Second convex ring part P2) Second joint wall (34 ) Second groove (354) Base (42) Fixing member (50) Rim (70) First convex ring portion (82) Angle (〇〇 second convex ring portion (92) Angle (/5) Base (112 Spoke copper head (12) right side (204) first bottom wall (23) first fixing hole (242) first arc groove (26) left side surface (304) second bottom wall (33) second fixing hole ( 341) Second arc groove (36) Groove (422) Tire groove (60) First circular frame (80) First bottom wall (83) Second circular frame (90) Second bottom wall (93 Hollow area (1〇〇) wing (114) first circular frame (20) first base ring (21) first perforation (232) first ring (25) second circular frame ( 30) Second base ring part (31) Second perforation (332) Second ring 垣 (35) Support piece (40) Wing part (44) Nozzle hole (62) First base ring part (81) First ring垣(84) Second base ring part (91) Second ring 垣 (94) Support piece (110) Perforation (116) 12