201124308 六、發明說明： 【發明所屬之技術領域】201124308 VI. Description of the invention: [Technical field to which the invention belongs]
本發明係與一種自行車後撥鏈器有關，更詳而兮 之，特別是指一種自行車後撥鏈器鏈輪組件。 Q 【先前技術】 現有許多專利技術文獻已廣泛揭示了自行車後拇鍵 器構造與操作原理’該發明技術領域者可以輕易透過這此 鲁 技術文獻清楚地瞭解，其中’本國發明專利證書號 即揭示了 一種腳踏車撥鏈器’並揭示了在一般後撥鏈器中 扮演重要角色的鏈條導件，該鏈條導件基本上包括位於 内、外側的兩個導向板，以及可沿著軸線轉動地樞接於上 述兩導向板__導向鏈輪及-拉緊鏈輪，使鏈條可以s 方式纏繞嚙合於該鏈條導件的導向鏈輪與拉緊鏈輪上，並 可藉由拉緊鏈輪提供及保持鏈條所需的張力，同時透過導 肖鏈輪將鏈條導引偏擺至適當大小的齒盤上，以達到變速 的功能。 上述專利案所揭示的拉緊鏈輪，具有一中心通口，其 上牙套有套官，一螺栓軸樞通過該套管後，將該拉緊鏈 輪活動極接於兩導向板間，使該拉緊鏈輪可以自由地沿著 該套管的軸線旋轉，為了提供防塵效果，上述套管兩端與 各相對導向板間的螺栓上各穿套有一防塵罩，且該等防塵 罩可分別被夾抵在相對的套管端部與導向板間，由於該套 管長度略大於拉緊鏈輪的通口長度，所以拉緊鍵輪可在套 201124308 為ί右橫向偏擺浮動，雜地結構，也適用於導向 供過錢的偏擺軸則'，心在變速過程中提 地二:任：觸償作用，使鏈條能夠快速準確且順暢 =換到任域位_盤上’㈣會受馳餘對於導向 .輪及拉緊鏈輪’彼此間在橫向位置上產生對位誤差的^ :鳇為確保上述專利案的拉緊鏈輪與套管間能夠具有良好 ，轉動潤滑效果，在市場可以見到的實際產品製作上，更 ^拉緊鏈輪的通口内緊配有—管狀自潤軸承，再將上述實 轉的套管穿套在該自潤轴承内，以達到提高 輪側防塵蓋除了防塵作用，也可防止拉緊鏈 在偏擺時直接與導向板產生摩擦，然而，現有防塵 2為金屬構件，即使避免了拉緊鏈輪與導向板間的碰觸 但其與_罩_摩_會產生無可聽，且可被 奴騎乘者所能感受到的噪音。The present invention is related to a bicycle rear derailleur, and more particularly to a bicycle rear derailleur sprocket assembly. Q [Prior Art] A number of patented technical documents have widely revealed the structure and operation principle of the bicycle rear latch. The technical field of the invention can be easily understood through the technical literature of the invention, wherein the 'national invention patent certificate number reveals A bicycle derailer' and reveals a chain guide that plays an important role in a general rear derailleur, the chain guide basically comprising two guide plates at the inner and outer sides, and a pivotable pivotable axis Connected to the two guiding plates __ guiding sprocket and - tensioning sprocket, so that the chain can be slidably engaged with the guiding sprocket and the tensioning sprocket of the chain guiding member, and can be provided by the tension sprocket And to maintain the tension required by the chain, while guiding the chain to the appropriate size of the toothed disc through the guide sprocket to achieve the function of shifting. The tension sprocket disclosed in the above patent case has a center opening, and the upper sleeve has a sleeve. After a bolt shaft passes through the sleeve, the tension sprocket is actively connected between the two guide plates. The tension sprocket can be freely rotated along the axis of the sleeve. In order to provide a dustproof effect, the bolts on the bolts between the two ends of the sleeve and the opposite guide plates are respectively provided with a dust cover, and the dust covers can be separately The clamp is pressed between the opposite end of the sleeve and the guide plate. Since the length of the sleeve is slightly larger than the length of the opening of the tension sprocket, the tension key wheel can be floated in the right lateral yaw of the cover 201124308. The structure is also applicable to the yaw axis that is used to guide the money. 'The heart is in the process of shifting. 2: Ren: The effect of compensation, so that the chain can be fast, accurate and smooth = change to any position _ on the plate' (four) will By the relaxation of the guide wheel and the tension sprocket 'there is a misalignment between the two sides in the lateral position ^: 鳇 To ensure that the tension sprocket and the casing between the above patents can have a good, rotational lubrication effect, The actual product can be seen in the market, and the chain is tightened. The tubular opening is tightly fitted with a tubular self-lubricating bearing, and the above-mentioned actual rotating sleeve is sleeved in the self-lubricating bearing, so as to improve the dust-proof effect of the wheel-side dustproof cover, and also prevent the tension chain from being deflected. When the friction is directly generated with the guide plate, however, the existing dustproof 2 is a metal member, and even if the contact between the tension sprocket and the guide plate is avoided, the hood and the _ cover may be inaudible and can be worn by the slave. The noise that the passenger can feel.
為了使上述拉緊鏈輪可以左右橫向偏擺浮動，其防 ”拉緊鏈輪間會存在可變動的游移間隙，因此，該防 =只能提供基本的防塵效果，對於—些侵人性高的雜質 特別疋f有泥沙的流質污水，便可輕易地通過上述 ^間隙進人相對樞轉構件中，造成摩擦阻力，並容易在 ^鍵輪轉動過程中發出聲_音，而這些被阻塞在防塵 内的⑽異物’也㈣受_縣的鮮，使其不易經 2洗去除’通常就得將整個鏈條導件及相_件，如鍵 荨-起拆除清洗，對於騎乘者而言是一種困擾。 201124308 隹盘2拉緊鏈輪連同㈣與㈣蓋通“㈣方式雜 〜、販買，由於這些構件彼此 大鎖 =:互組裝固定在-起，而為-堆==安 中，甚至在^==物_+，从在組裳過程 件掉落Μ 都容易因為操作不慎造成零 遺失，也是經常發生看見的情形。 >另外’本國新型專利公告編號4937〇6也揭示了In order to make the above-mentioned tension sprocket float horizontally to the left and right, the anti-theft sprocket may have a variable migration gap. Therefore, the defense can only provide a basic dustproof effect, and is highly invasive. Impurities, especially those with silt, can easily enter the relative pivoting members through the above-mentioned gaps, causing frictional resistance, and it is easy to emit sounds during the rotation of the key wheel, and these are blocked in The dust inside the (10) foreign matter is also (four) subject to the freshness of the county, making it difficult to remove by 2 washes. 'It is usually necessary to remove the entire chain guide and phase parts, such as the key 荨, for the rider. A trouble. 201124308 隹 2 2 tension sprocket together with (four) and (four) cover pass "(four) way miscellaneous ~, sold, because these components are locked with each other =: mutual assembly fixed at - from, and - heap = = Anzhong, Even in the case of ^==object_+, it is easy to fall from the stacking process, and it is easy to cause zero loss due to inadvertent operation. >In addition, the national new patent number 4937〇6 also revealed
述導向鏈輪及拉緊鏈輪的軸承保護蓋結構， 1 ^ v v \α (不田匕 L再將二保護蓋的轴部分別以緊配方式套人該軸承的 ^衣轴孔二侧内部’並利肋保護蓋的外蓋部位延伸涵 蓋^軸承❸卜環部位’以達翁塵的效果 ;組裝時，同 樣藉由螺栓通過該等保護蓋的軸部内孔，使該等保護 蓋可被夾抵於兩導向板間，並藉由内部軸承提供自由轉 動效果；然而，由於該等保護蓋必需緊配於軸承内環上， 相對地’也使得導向鏈輪或拉緊鏈輪失去左右橫向偏擺 洋動的功能，因此，在實際產品安裝及使用過程中，即 發現鏈條無法在各不同檔位的齒盤間被順暢地切換變 速，且有明顯的噪音產生，這樣的噪音是由於鏈條沒有 辦法透過導向鏈輪及拉緊鏈輪的自動浮動微調，而與不 同檔位的齒盤準確對位，使得鏈條容易在該齒盤、導向 鏈輪及拉緊鏈輪間因對位喃合誤差產生摩擦，且這樣噪 音即使在檔位變換完成後，仍然會持續存在，而影響騎 乘的品質，故在噪音的表現上遠不如上述採用浮動結構 201124308 專利案產品。除此之外’該補㈣保護蓋相對 步 外環、導向鏈輪及拉緊鏈輪的側壁，彼此間也必 、留弋大小間隙，以防止彼此間產生碰觸摩擦，進 、成導向鏈輪與拉緊鏈輪間的轉動阻力，但這樣的間 f ’如上所述，同樣容易在泥沙等異物雜質進入後產生 嚴重的阻塞摩擦，*必需經常透過拆卸手段方可進行清 洗，否則將大大地降低其使用品質，以及快速地縮短產 品的使用壽命。 【發明内容】 本發明係提供一種自行車後撥鏈器鏈輪組件，包括 一鏈輪，其外周壁設置有多數個鏈齒，中央貫設有一 通孔，二潤滑件，各包括一結合部分、一突出部分及 —内部軸孔；所述結合部分可分別自上述鏈輪二邊侧以 緊配合方式鼓套組裝於上述通孔内；所述突出部分位於上 述通孔以外，且外側各形成有一具潤滑作用的摩擦面；所 述潤滑件可藉由一貫穿件通過後安裝固定於後撥鏈器的 二相對導向板間’使該鏈輪與潤滑件玎在二相對導向板間 作左右橫向滑移浮動。 上述潤滑件可在上述通過的貫穿件上左右橫向滑移 浮動，也可以利用該貫穿件通過固定一套管，再利用該套 管樞套貫穿上述潤滑件的通孔，使該潤滑件及其上的鏈輪 也可以在該套管上左右橫向滑移浮動。 上述潤滑件外側的摩擦面間形成有一第一軸向寬 度，而套管二端側間形成有一第二軸向寬度，利用該第二 201124308 軸向寬度大於第一轴向寬度的設計，可以使套管被安裝固 定於該等導向板啊，可以雜活純套在其上的潤滑件 及其上鏈輪能夠產生上述左右橫向滑移浮動作用。The bearing protection cover structure of the guide sprocket and the tension sprocket, 1 ^ vv \α (the other part of the shaft of the shaft of the bearing is placed in the tightly fitting manner by the shaft portion of the second protective cover 'The outer cover part of the protective cover covers the ^ bearing ring part' to achieve the effect of the dust; when assembling, the bolts are also passed through the inner hole of the shaft of the protective cover, so that the protective cover can be The clip is abutted between the two guide plates and provides a free rotation effect by the inner bearing; however, since the protective covers must be tightly fitted to the inner ring of the bearing, the opposite direction also causes the guide sprocket or the tension sprocket to lose the lateral direction. The function of yaw and yaw, therefore, during the actual product installation and use, it is found that the chain can not be smoothly switched between the sprocket wheels of different gear positions, and there is obvious noise, such noise is due to the chain There is no way to accurately align the gears of different gears through the automatic floating fine adjustment of the guide sprocket and the tension sprocket, so that the chain is easy to align between the gear plate, the guide sprocket and the tension sprocket. The error produces friction, This noise will continue to exist even after the gear shift is completed, which will affect the quality of the ride. Therefore, the performance of the noise is far less than the above-mentioned floating structure 201124308 patent product. In addition, the supplement (four) protective cover is relatively The step outer ring, the guide sprocket and the side wall of the tension sprocket must also have a gap between them to prevent frictional friction between each other, and the rotational resistance between the guide sprocket and the tension sprocket. However, such a room f' is as described above, and it is also easy to cause serious clogging friction after the entry of foreign matter such as sediment, and it is necessary to frequently perform cleaning by means of disassembly, otherwise the quality of use will be greatly reduced, and the quality will be shortened rapidly. The present invention provides a bicycle rear derailleur sprocket assembly, comprising a sprocket having a plurality of sprocket teeth on the outer peripheral wall, a through hole in the center, and two lubricating parts, each The utility model comprises a joint portion, a protruding portion and an inner shaft hole; the joint portion can be assembled on the two sides of the sprocket in a tight fit manner The protruding portion is located outside the through hole, and the outer side is formed with a lubricating friction surface; the lubricating member can be fixed and fixed to the rear derailleur by a through piece. The sprocket is arranged such that the sprocket and the lubricating element are laterally slidably floated between the two opposite guide plates. The lubricating member can be laterally slidably floated on the left and right through the through-piece, and can be fixed by the through-piece. The sleeve is further sleeved through the through hole of the lubricating member, so that the lubricating member and the sprocket thereon can also slide laterally and laterally on the sleeve. The friction surface between the lubricating member is formed. a first axial width is formed, and a second axial width is formed between the two end sides of the sleeve. With the second axial design of the 201124308 having a larger axial width than the first axial width, the sleeve can be mounted and fixed to the guides. The slab can be used to produce the above-mentioned left and right lateral sliding floating effect.
本發明所提供的鏈輪組件，由於該鏈輪與潤滑件可 以在一相對導向板間的貫穿件或套管上作左右橫向滑移 浮動因此了以確保鏈輪組件在導引鏈條進行不同襠位 的齒盤位置變換時’能夠藉由自祕橫向滑移浮動，來克 服彼此間在橫向對位±的縣值，賴㈣換過程更為快 速、平穩且順暢，而不會產生擾人的噪音。 上述滑潤件及其上鏈輪往左或往讀料動到外側 位置時，也可以適當地透過潤滑件二邊側的摩擦面與相對 的導向板内側壁面相互碰觸，由於該摩擦面可提供良 ^骨效果’可以大幅地降健導向板間產生的摩擦係數盛阻 力，相對地，也可大幅地降低摩擦產生㈣音聲響，因此， 同樣可以避免鏈輪轉動產生擾人噪音。 本發_鏈触件，_未制f知技藝的防塵罩設 =但^自潤軸承的潤滑件與習知採用的滚_ ==2洗容易且不易產生清洗死角的優點= 到良好的清洗效果。 鏈輪上’且該鏈輪組件安裝前，其套管;；嵌：定位於 可彼此相互限位形成—體式構件=财件間也 于而不會如習知技蓺呈法 政狀，故在包裝騎後，以餘料卸過財會產 201124308 生彼此分散脫離，導致掉落遺失的情形。 【實施方式】 如圖1至4，本發明是-種自行車後撥鏈器鏈輪組件 較佳實施例，該鏈輪組件1可以藉由一貫穿件2安裝定位 於後撥鏈H的二相對導向板3間，本實施例的貫穿件2為 -螺栓；所述鏈輪組件1主要包括―鏈…Q、二潤滑件 2 0及-套管3 G;以上係針對上述組合構件分述說明。 關於該鏈輪10，本實施例是由金屬材料所製成，但According to the sprocket assembly provided by the present invention, since the sprocket and the lubricating member can be laterally slidably floated on the penetrating member or the sleeve between the opposing guide plates, the sprocket assembly is ensured to be different in the guiding chain. When the position of the toothed disc is changed, it can overcome the horizontal value of the horizontal position by the self-secret lateral slip and float. The process of the change is faster, smoother and smoother without disturbing. noise. When the sliding member and the upper sprocket thereof are moved to the left or toward the outer side of the reading material, the friction surfaces on the two sides of the lubricating member can be appropriately contacted with the inner side wall surfaces of the opposite guiding plates, since the friction surface can be provided The good bone effect can greatly reduce the friction coefficient generated between the guide plates, and relatively, it can also greatly reduce the friction (four) sound, so the sprocket rotation can also be avoided to cause disturbing noise. The hair _ chain contact, _ unmade f know the technical dust cover = but ^ self-lubricating bearing lubrication and the conventional use of the roller _ = = 2 easy to wash and not easy to produce cleaning corners = good cleaning effect. On the sprocket' and before the installation of the sprocket assembly, the casing; the inlay: can be positioned to be mutually constrained to form each other - the body member = the financial component is also not as conventional as the conventional technology, so After the package is riding, the surplus material is discharged from the accounting production 201124308 and the students are scattered and separated from each other, resulting in the loss of the lost situation. [Embodiment] As shown in Figs. 1 to 4, the present invention is a preferred embodiment of a bicycle rear derailleur sprocket assembly. The sprocket assembly 1 can be mounted and positioned on the rear derailleur H by a penetrating member 2. Between the guide plates 3, the penetration member 2 of the present embodiment is a bolt; the sprocket assembly 1 mainly includes a "chain" Q, a two-lubrication member 20, and a sleeve 3G; the above description is for the above-mentioned composite member. . Regarding the sprocket 10, the embodiment is made of a metal material, but
不以此為限’也可以是碳纖維材料或工程塑膠材料，且其 外周壁面設置有多數個鏈齒11，中央貫穿有-通孔; 2’且二邊侧在該等鏈齒i i與通孔i 2端部開口間各形 成有一貼合壁面1 3。 夕 關於該等潤滑件20,各包括一結合部分21、_ 出部分2 2 ’以及-内料孔2 3 ;所述結合部分2 1: 別自上述鏈輪1 ◦二邊侧以緊配合方式嵌套組褒於 :通孔12内；所述突出部分22位於上述通孔23· 出邻且、形成有—相滑作用的摩擦面2 4 ;所述‘ 二2的摩擦面24間相隔有—第—軸向寬w 各具=::=〇為T形套件狀的_承，.It is not limited thereto, and may be a carbon fiber material or an engineering plastic material, and a plurality of fastener elements 11 are disposed on the outer peripheral wall surface, and a through hole is formed in the center; 2' and the two side sides are in the chain teeth ii and the through holes A matching wall surface 13 is formed between each of the end openings of the i 2 . With respect to the lubricating members 20, each of the lubricating members 20 includes a joint portion 21, an output portion 2 2 ', and an inner hole 2 3; the joint portion 2 1: is not tightly fitted from the two sides of the sprocket 1 The nesting group is disposed in the through hole 12; the protruding portion 22 is located at the above-mentioned through hole 23·, and is formed with a friction surface 24 that acts as a phase sliding; the friction surfaces 24 of the 'two 2 are separated by - the first - axial width w each ==:: 〇 is a T-shaped kit-like _ bearing,.
1㈣ 自姉套雜-雛向延伸I =Η立；該軸套部位可用以形成上述結合部申 用以形成上述突出部分22 : 刀別二抵定位於上述鏈輪1〇各相對的貼合壁面"。 於5玄套管3 0 ’本實施例為金屬材料，特別是銅 2011243081(4) self-clamping-to-claw extension I = standing; the sleeve portion can be used to form the above-mentioned joint portion to form the above-mentioned protruding portion 22: the knife is positioned to be positioned on the opposite facing wall of the sprocket 1 ". In the 5 Xuan casing 3 0 ' this embodiment is a metal material, especially copper 201124308
材料所構成，可與上述潤滑件2 0的軸孔2 3相互穿套轴 樞’使上述潤滑件2 0及其上的鏈輪1〇得以在該套管3 0上自由轉動；所述套管3 0具有一内部穿孔3 1，可供 上述貫穿件2穿伸通過後安裝固定於上述導向板3間，且 二端侧間相隔有一第二軸向寬度d 2大於上述第一軸向 寬度d 1，使上述潤滑件2 0及其上鏈輪χ 〇可在所述套 管3 0上左右橫向滑移浮動，並可適當地透過上述潤滑件 2 0的摩擦面24與上述導向板3的相對壁面3 3相互 碰觸摩擦。 上述潤滑件2 0的結合部分2 1内端側間相隔有一 段預定距離，可界定出一限位空間a ;上述套管3 〇外周 壁中間部位設置有-限位凸緣3 2，可被容納限位於上述 限位空間a内，且該限位凸緣3 2二邊侧與各相對結合部 分2 1的内端侧間所相隔的距離總合，大於上述第二軸向 寬度d 2與第一軸向寬度d 1兩者的差值。 本實施例的限位凸緣32是由套f3◦—體突伸成 型’也可以由組裝於該套管3〇外周壁上的一限位構件所 構成，例如C形扣件等。 本發明上述鏈輪組件1同時適 鏈輪組件，以及拉緊鏈輪組件。 如圖5所示，本發明笫-每& a, ^ η乐一^施例的鏈輪組件丄a， 致與上述較佳實施例相同，复罢 八 2 0所採用的T形套件狀自潤鉦 』月1干 承’並在該鏈輪1 0的通孔1 ?由 1 m 4 2中_位設置—定位凸緣 9 201124308 古減上述結構改變，可以使料崎件2 〇同樣具 部位’以形成上述結合部分21，但其突出部分2 ^ 位於該通孔1 2以外，且由該轴套部位一體軸向 ^ ^壁部位所形成，並可藉由該管壁部位呈圓環狀的 卜侧端壁形成上述突出部分2 2的摩擦面2 4。 $需特別說明的是，本實施例採用圓筒狀自潤袖承的潤 滑件2 0 a，由於其管壁部位無法如較佳實施·以形成 突出部分2 2的護緣部位’能夠直接與該鏈輪丄〇二邊側 的貼合壁面1 3相互紐，來達到組裝限位作用，因此， 可以改藉由用以形成結合部分2 2的軸套部位内侧端與 上述鏈輪1 Q中間通孔丄2上突伸的定位凸緣i 4相對 側壁相互靠抵，來達到相同效果的限位作用。 如圖6所示，本發明第三實施例的鏈輪組件i b，大 致與第二實施例的鏈輪組件1 a相同，其差別僅在於：在 第二實施例各濁滑件2◦突出部分2 2的管壁部位外周 壁上分別形成一定位凸緣22 1，可用以與上述鏈輪° 二邊側的通孔1 2周圍壁面相互靠抵定位，使該等？丸〇 2 2可以被準確且快速地組裝定位於通孔1 2、巧件 部，故毋需設置上述第二實施例的定位凸緣i4。嶙内 本發明上述各實施例的潤滑件2 〇及其上 0，主要是藉由潤滑件2 〇的通孔1 2與樞軸穿套其丄 套管3 0彼此間所形成的樞轉結構，在必要時隨签^内的 向位置的對位，產生左右橫向滑移浮動作用，因此，、饵 上只要可以提供上述潤滑件2 0及其上鏈輪i 〇在=則 201124308 產生左右橫向滑移浮動，即符合本發明的技術精神；據 此’可以輕易想見的是，利用上述貫穿件2直接提供上述 鏈輪1 0的通孔1 2穿套軸枢於其上，並使該潤滑件2 〇 及其上鏈輪1 0能夠在其產生上述橫向浮動，也可以達到 本發明的預期效果。 本發明上述各實施例的潤滑件2 〇及其上鏈輪i 〇 可以該等導向板3間的貫穿件2或套管3 0上作左右橫The material is configured to be axially pivoted with the shaft hole 2 3 of the lubricating member 20 to enable the lubricating member 20 and the sprocket 1 上 thereon to freely rotate on the sleeve 30; The tube 30 has an inner perforation 3 1 for the penetrating member 2 to be inserted and fixed between the guiding plates 3, and the second end sides are separated by a second axial width d 2 greater than the first axial width. D1, the lubricating member 20 and the upper sprocket 〇 can be laterally slidably floated on the left and right sides of the sleeve 30, and can be appropriately transmitted through the friction surface 24 of the lubricating member 20 and the guide plate 3 The opposite walls 3 3 touch each other. The inner end sides of the joint portion 2 1 of the lubricating member 20 are separated by a predetermined distance to define a limiting space a; the sleeve 3 is provided with a - limiting flange 32 in the middle portion of the outer peripheral wall, which can be The receiving limit is located in the above-mentioned limiting space a, and the distance between the two sides of the limiting flange 3 2 and the inner end sides of the opposite connecting portions 21 is greater than the second axial width d 2 and The difference between the first axial width d 1 . The limiting flange 32 of the present embodiment is formed by the sleeve f3, and can also be formed by a limiting member assembled on the outer peripheral wall of the sleeve 3, such as a C-shaped fastener or the like. The above sprocket assembly 1 of the present invention simultaneously accommodates the sprocket assembly and the tension sprocket assembly. As shown in FIG. 5, the sprocket assembly 丄a of the present invention is the same as the above-described preferred embodiment, and the T-shaped kit shape used in the 280 is used. Since the 钲 钲 月 干 干 并 并 并 并 并 并 并 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该The portion is formed to form the above-mentioned joint portion 21, but the projecting portion 2^ is located outside the through hole 12, and is formed by the integral axial portion of the sleeve portion, and can be rounded by the wall portion The annular side wall forms the friction surface 24 of the above-mentioned protruding portion 22. It should be particularly noted that in this embodiment, the lubricating member 20 a of the cylindrical self-lubricating sleeve is used, because the wall portion of the tube cannot be implemented as well, so as to form the edge portion of the protruding portion 2 2 can directly The affixing wall surfaces of the two sides of the sprocket are mutually interlocked to achieve the assembly limit function, and therefore, the inner end of the sleeve portion for forming the joint portion 22 and the sprocket 1 Q can be changed. The positioning flange i 4 protruding from the through hole 2 abuts against the side walls to achieve the same effect. As shown in FIG. 6, the sprocket assembly ib of the third embodiment of the present invention is substantially the same as the sprocket assembly 1a of the second embodiment except that: in the second embodiment, each of the squeegee members 2 protrudes from the second embodiment. A positioning flange 22 1 is formed on the outer peripheral wall of the wall portion of the wall portion 2, and can be positioned to abut against the wall surface of the through hole 1 2 on the two sides of the sprocket wheel. The pellets 2 2 can be accurately and quickly assembled and positioned in the through holes 1 and 2, so it is not necessary to provide the positioning flanges i4 of the second embodiment described above. The lubricating member 2 〇 and the upper portion 10 of the above embodiments of the present invention are mainly a pivoting structure formed by the through hole 12 of the lubricating member 2 and the pivotal sleeve of the ferrule 30. When necessary, with the alignment of the position in the sign, the left and right lateral slip floating effect is generated. Therefore, as long as the lubricator 20 and its upper sprocket i 可以 can be provided on the bait, the left and right lateral directions are generated in 201124308. The sliding float is in accordance with the technical spirit of the present invention; accordingly, it can be easily imagined that the through hole 12 of the sprocket 10 is directly provided by the through-hole 2 to be pivoted thereon, and The lubricating member 2 〇 and its upper sprocket 10 can produce the above-described lateral float in it, and can also achieve the intended effect of the present invention. The lubricating member 2 〇 and the upper sprocket i 上述 of the above embodiments of the present invention can be made horizontally or horizontally across the penetration member 2 or the sleeve 30 between the guide plates 3.
向滑移浮動，因此，可以確保鏈輪組件丄、丄a、丄匕在 導引鏈條進行不同檔位的齒盤位置變換時，能夠藉由自動 地橫向滑移軸，來克服彼關在橫向對位上的誤差值， 使檔位變換過程更為快速、平穩且順暢，而不會產生擾人 的音。 n赏潤件20及其上鏈輪1〇往左或往右 擦適當地透過潤滑件2 面24可以提供良好潤滑效果，因此，可以大㈣ -二與導向板3間產生的摩擦係數與阻力，相 換摩擦所產生的愼響’無論是在槽㈣ 技藝==件卜“，’雖然未採_ 常見的滾珠或用自潤軸承的潤滑件2〇與一身 清洗死角的㈣ 相比較，具有清洗容易且不易產4 拆、，故清洗作業相當容易，通常母 拆卸⑽即可達到有效地清洗效果。 母两如 201124308 本發明第二、三實施例採用圓筒狀自潤軸承的潤滑件 2 0’其摩擦面2 4的面積雖然小於較佳實施例潤滑件2 〇的摩擦面2 4 ’而不如較佳實施例來的優越，但其摩擦 面2 4仍可提供遠優於現有結構的良好潤滑效果，而可有 效防止轉動時產生擾人的噪音聲響。 本發明上述第一至三實施例的鏈輪組件1、1 a、1 b，其潤滑件2 〇皆以緊配合方式嵌套定位於鏈輪1 〇 上’且套管3 0與該等潤滑件2 〇彼此間也可在一定浮動 範圍相互限位形成一體式構件，故相較於習知技藝呈凌散 狀的組裝構造，本發明的鏈輪組件1、1 a、1b無論在 包裝拆封後，或是在組裝拆卸過程中，各組成構件均不會 彼此相互分散脫離，所以不會有導致掉落遺失的情形。 综上所述’本發明在同類產品中實有其極佳之進步實 用性，同時遍查國内外關於此類結構之技術資料，文獻中 亦未發現有相同_造或製造方法存在於先，是以，本發 明實已具備發明專利要件，爰依法提出申請。 惟’以上所述者，僅係本發明之數較佳可行實施例而 已，故舉凡應用本發明說明書及申請專利範圍所為之等效 結構變化，理應包含在本發明之專利範圍内。 【圖式簡單說明】 圖1為本發明較佳實施例的鏈輪組件外觀組合圖。 圖2為本發明較佳實施例的鏈輪組件立體分解圖。 圖3為本發明較佳實施例的鏈輪組件側視剖面圖。 圖4為本發明較佳實施例的鏈輪組件安裝態樣的側視剖 201124308 面示意圖。 圖5為本發明第二實施例的鏈輪組件侧視剖面圖。 圖6為本發明第三實施例的鏈輪組件側視剖面圖。 【主要元件符號說明】Floating to the slip, therefore, it can be ensured that the sprocket components 丄, 丄a, 丄匕 can be overcome in the lateral direction by automatically laterally sliding the shaft when the guide chain changes the position of the sprocket wheel of different gear positions. The error value on the alignment makes the gear change process faster, smoother and smoother without disturbing sound. n The reel member 20 and its upper sprocket 1 擦 to the left or right and properly pass through the lubrication member 2 surface 24 can provide a good lubrication effect, therefore, the friction coefficient and resistance between the large (four)-two and the guide plate 3 can be generated. , the squeaking of the friction caused by the change of the friction 'whether in the groove (four) skill == piece "," although not _ common ball or lubrication parts with self-lubricating bearings 2 〇 and a cleaning corner (4) compared to Easy to clean and difficult to produce 4, so the cleaning operation is quite easy, usually the mother disassembly (10) can achieve effective cleaning effect. Mother two as 201124308 The second and third embodiments of the invention use the cylindrical self-lubricating bearing lubrication parts 2 Although the area of the friction surface 24 is smaller than the friction surface 24' of the lubricating member 2 较佳 of the preferred embodiment and is not as superior as the preferred embodiment, the friction surface 24 can still provide much better advantages than the existing structure. The lubricating effect is good, and the disturbing noise sound is effectively prevented from rotating. The sprocket assemblies 1, 1 a, 1 b of the first to third embodiments of the present invention, the lubricating members 2 are all nested in a tight fit manner. Positioned on the sprocket 1 '' and the casing 3 0 The sprocket assembly 1, 1 a, 1b of the present invention can be formed by forming a one-piece member with the lubricating members 2 限 in a certain floating range. Therefore, the sprocket assembly 1 , 1 a , 1b of the present invention has a loose assembly structure compared to the prior art. No matter whether the components are dispersed or disengaged from each other after the packaging is unpacked or during the assembly and disassembly process, there is no possibility of causing the loss to be lost. In summary, the present invention is actually found in similar products. It has excellent progress and practicality. At the same time, it has checked the technical information about such structures at home and abroad. The same method has not been found in the literature. The invention has the invention patents. The application is made according to the law. However, the above descriptions are only for the preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the patent application are intended to be included in the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a sprocket assembly according to a preferred embodiment of the present invention. Fig. 2 is an exploded perspective view of a sprocket assembly according to a preferred embodiment of the present invention. 4 is a side cross-sectional view of a sprocket assembly of a preferred embodiment. Fig. 4 is a side elevational cross-sectional view of a sprocket assembly according to a preferred embodiment of the present invention. Figure 6 is a side cross-sectional view showing a sprocket assembly according to a third embodiment of the present invention.
1 鏈輪組件 2 貫穿件 3 導向板 3 a 壁面 10 鏈輪 11 鏈齒 12 通孔 13 貼合壁面 14 定位凸緣 2 0 潤滑件 2 1 結合部分 2 2 突出部分 2 2 1 定位凸緣 2 3 轴孔 2 4 摩擦面 d 1 第一軸向寬度 d 2 第二軸向寬度 a 限位空間 3 0 套管 3 1 穿孔 3 2 限位凸緣 i S! 131 sprocket assembly 2 penetration 3 guide plate 3 a wall 10 sprocket 11 sprocket 12 through hole 13 compliant wall 14 locating flange 2 0 lubrication 2 1 joint 2 2 projection 2 2 1 locating flange 2 3 Shaft hole 2 4 Friction surface d 1 First axial width d 2 Second axial width a Limit space 3 0 Sleeve 3 1 Perforation 3 2 Retaining flange i S! 13