M281888 八、新型說明： 【新型所屬之技術領域】 本創作係有關-種迫緊結構，尤指__種能減少曲柄和天心軸組配裕度，而 令曲柄和天心軸達到更穩隱合功效之天心軸迫緊結構，係屬自行車零組件技 術發展領域。 【先前技術】 按’ -般自行車之構成係於車架底端匯集處之五通管端設置—天心轴，於 天心軸兩端再分別設置朝不同方向垂直延伸之曲柄，於曲柄末端分別設置踏 板，藉由腳敬又踩踏踏板，即可令天心軸轉動下，驅動輪體轉動，以達自行 車代步目的。 ’、、、：w之曲柄和天心軸之結合方式，係透過切軸兩端環設凹凸棘齒， 曲柄内徑孔亦採對應狀之凹凸棘絲接，以驅動套設在軸承孔之天心轴帶動鍵 條以驅動輪體作動，習知採天，和曲柄採凹凸棘餘配方式，雜綱達到 自行車驅動之目的，然而，礙於凹、凸形成之—定_度，使得，凹、凸 棘齒之加工裕度妹紐_允狀公絲_，此—_齡錢影響曲柄 :天心軸組配精確性’進而導致曲柄因組配公差過大而衍生踩空情事，整體而 。’曲柄和天心軸間之組配精密問題，實有待業界提出更優異之技術突破，以 滿足多元消費市場應有之競爭力。 【新型内容】 1乍之天一軸之迫緊結構’主要目的乃為_曲柄和天心轴間之組 配裕度降低，藉以達到更細、確實之結合功效。 緣疋，本創作祕切細自由端職長之容置段外緣環設棘齒，橫 5 M281888 °有個乂上之4槽，容置段内緣容置空間靠内側則形成撞緣、外側 開口形成峨冑、巾物娜辦，軸咖她有一追緊結 構’透過迫緊結構之c形内錐孔套體容設對應斜率之外錐面套體，復藉由 貝牙内錐孔套難與外錐面套魏設之妙元件，以魏緊元件螺鎖推進 外錐面套體過程，將C形顯斷面之師孔套體朝天心軸具剖槽之容置段 壁面擴撑，嫩在天顺瓣敎陶W㈣裕度降至最 低（甚至曝_岭_嫩完蝴），㈣ I 關係更佳穩固者。 口 、本創作達到上述目的之詳細技術手段，兹列舉兩較佳實施例及 相關圖式說明如后。 【實施方式】 娜蝴識渐社_，物卜、：昧 :.ΓΓ之天心轴（10)，及容設在㈣⑽内之構 Μ奋置奴外緣環设有連續狀之棘齒 0 )，橫向她㈣、__上機（i q i )，令天 端之容置段具可_或外擴微調功效； ）兩自由 該容置段内部則形成有一容置空間，該容置空間靠 一内螺紋部（1 i)，遠離開 土緣开滅有 之另—&_緣_内徑方向凸設有1 (1 2 )，）,於擋緣（i 2 )和内螺紋部/緣 (1 3 )，且，天心偏白A山 間則屬也月壁面之非螺紋部 軸兩自由端之容置段外部形成之棘齒（100)卞可 6 M281888 -壁面没有對應棘齒之曲柄（A)套接時呈一嚙合關係，至於，容置段内部之中 空狀容置空間，恰可供一迫緊結構（2 〇)容設。 上述迫緊結構（2 0 )包括一内錐孔套體（2 1 )、一外錐面套體（2 2 ) 及一迫緊元件（2 3)，其中： 该内錐孔套體（2 1 )，徑向剖設有一缺槽（2 1 1 )，以構成-橫截面呈 c形之結構體，該_孔套體（2丄）内壁緣形成有預設斜率之_孔（2工 2 )’内錐孔（212)之傾斜方向係由套體之内側端朝外側端呈—傾斜漸縮型 _悲’且，_錐孔套體（2 χ )係容設在容置段之非驗部（丄3 )内，内側 軸向端面並和擋緣（12)呈一抵靠狀。 . 斜錐面錢（2 2 )，為-巾空之環職髓，其外箱（2 2 i )係採 對應内錐孔套體之内錐孔（2工2 )斜率設計，而外錐面套體（⑶内壁緣 則形成有内螺紋（2 2 2 )，以供—迫緊元件（2 3 )螺設。 該迫緊元件（2 3 )’本實施例為頭部具内六角孔之螺栓，該螺栓型態之迫 4件（2 3 )之身部係猎由外周緣形成之外螺紋（2 3丄），和外錐面套體（2 3 )呈一相互螺設關係，並透 减，以達到螺鎖過程中將外錐面套 评截斷咖（2 1)對峨（㈣㈣㈣师進），令c P截斷面之峰孔套體（2 i)齡擴撐，並推抵具 段同步朝外擴張，令容置段外緣之棘齒 u1)之d -無組配_之軸向迫㈣合功效。 糾套接之曲柄崎棘齒呈 =體（大_部（241)繼 —體成型之了縣顧，聽（24 V Z 41)検向亚凹設有預設深之 M281888 内’、角孔（2 4 1 1)，以利―内六角扳手工具（圖未示） … 側延伸之身部（2 4 2 )外周緣貝摘成有外螺纹（2 4 2工）=/口頭口卜 可藉由該外螺紋（2 4 2 1 )和天心轴（1〇)兩自由_，利盍體（24) ===赠梅咖物空較^=^1 ⑷㈣。 ^ ^ —圖.），先料錐面套體（22)軸錐孔套體（2 1):入’再將迫緊元件(2 3)由另一端 (2 累=(i 3 )内，輪曲柄（A)套設在天心轴容置段外部並利用内1 手套入迫緊轉頭部之内六角孔（圖未辦針反復 (2 3)往内部推進時，外錐 ，迫緊讀 ΓΤΓ ’㈣賴蚊崎咖（21)辦細_非螺紋 :3)内壁面，連帶迫使天心抽(1〇)具橫向剖槽之容置段同步朝外擴 [進而對套設物料敎_ (A)戦—㈣擴脱 八 =__242)之_(24 2 1 )和植開口之内螺 、…相互螺&，亚輔以内六角扳手工具對蓋體（2 4)進行螺鎖作業， 以達容置朗之迫緊結構定位及容置段外部之曲柄—徑向迫緊定位功效。 J乍透過迫緊結構之_孔套雜⑽賴斷面、内魏採斜雜狀設 十再輔以對應斜率之外錐面套體及迫緊元件，相互螺鎖推進過程將C形内錐 面套體外靖咖物嫩咖敝峨_#，本創作透過 上述技術手段，實可__和切軸因加讀度而触滅緊密性問題，令 8 M281888 -曲柄與天心軸結合關係更加穩固，實可謂係一極具進步性之新型創作。 再參照第五、六、七圖，係本創作天心軸之迫緊結構第二實施例，該實施 例和上述實施例差異處在於C形内錐孔套體（21)之内錐孔（212 )，係由 兩^朝内漸縮而成之二内錐孔（212)型態，再配合兩對應狀之外錐面套體 (2 2)而成，俾利，迫緊元件（2 3)穿過兩外錐面套體（2 2)時，可將 靠近及雜迫緊元件之二外錐面套體（2 2)對向推進，即可翻上述實施例 相同之結構功效者。 由上所述者僅為用以解釋本創作之較佳實施例，並非企圖據以對本創作作 任何形式上之_ ’是以，凡有在_之_精神下所作㈣本創作之任何修 飾或變更，皆仍應包括在本創作意圖保護之範疇。 綜上所述，本創作切歡«結構，無論實雜麵本效益上，確實是 =全符合產業上發展所需，且所揭露之結構創作亦是具有前所未有的創新構 Γ二Γ有「「新雛」應無疑慮，又本創作可較之f知結構更具功效之增 亦具#進纽」，其完全符合我目專概ώ 的規定，沾«_糊之巾請要件 乃依战起專利申請，並敬請柄早 9 M281888 " 【圖式簡單說明】 第一圖係本創作天心軸之迫緊結構之結構外觀示意圖。 第二圖係本創作天心軸之迫緊結構之結構外觀剖面示意圖。 第三圖係本創作天心軸之迫緊結構之天心軸結合曲柄之剖面示意圖。 第四圖係摘作天心佩迫緊結構之天心減合曲柄之輯外觀示意圖。 第五圖係本創作天心軸之迫緊結構第二實施例之結構外觀示意圖。 第六圖係本創作天心#之迫緊結構第二實施例之結構外觀剖面示意圖。 #第七圖係本創作天心軸之迫緊結構第二實施例之天心軸結合曲柄之剖面示 意圖。 【主要元件符號說明】M281888 8. Description of the new model: [Technical field to which the new model belongs] This creation is related to a kind of urgent structure, especially __ which can reduce the margin of the crank and the arbor combination, and make the crank and the arbor more stable. The function of the celestial mandrel pressing structure belongs to the field of bicycle component technology development. [Previous technology] According to the '-general bicycle structure, the five-way pipe end set at the bottom end of the frame is set-the arbor, and the cranks extending vertically in different directions are respectively set at the two ends of the arbor, and are respectively set at the ends of the cranks. The pedal, with the soles of the foot and stepping on the pedal, can turn the mandrel of the sky and drive the wheel body to achieve the purpose of cycling. ',,,: The combination of the crank and the mandrel of w is provided with concave-convex ratchet teeth through the two ends of the cutting shaft, and the corresponding inner and outer bores of the crank are connected with corresponding concave-convex ratchet wires to drive the center of the bearing hole. The shaft drives the key bar to drive the wheel body. It is known to use the sky and the crank to adopt the concave-convex spine mode. The miscellaneous class achieves the purpose of driving a bicycle. However, due to the formation of the concave and convex-fixed _ degree, so that the concave, The processing margin of the convex ratchet teeth is _allow-shaped male silk_, and this __ age affects the crank: the accuracy of the assembly of the mandrel of the sky, which leads to the cranking due to the too large tolerance of the assembly, which leads to the occurrence of downtime, as a whole. ‘The precise issue of the assembly between the crank and the mandrel remains to be solved by the industry to propose more outstanding technological breakthroughs in order to meet the due competitiveness of the diversified consumer market. [New content] 1 The main purpose of the first-axis-one-axis-urgent structure is to reduce the margin of assembly between the crank and the mandrel, so as to achieve a more detailed and reliable combination effect. Margin, this creative secret cuts the free edge of the accommodating section of the apron ring with ratchet teeth, horizontal 5 M281888 ° There is a 4 slot on the apron. The opening is formed with Emei and Jinna. The shaft coffee has a chasing structure. 'The c-shaped inner cone hole sleeve body through the pressing structure contains a cone body with a slope corresponding to the slope. It is difficult to set the wonderful component of the outer cone surface sleeve, and the outer cone surface sleeve body is pushed forward by the screw tightening component, and the C-shaped section cross section of the master hole sleeve body is extended toward the wall of the grooved accommodation section of the mandrel. , Nen in Tianshun petals Tao W㈣ margin to a minimum (even exposed _ Ridge_ Nen Wan butterfly), ㈣ I relationship is better and stable. The detailed technical means for achieving the above-mentioned purpose in the present invention are listed below with two preferred embodiments and related drawings. [Embodiment] Na butterfly consciousness __, Wu Bu :: ΓΓ's heavenly mandrel (10), and the outer edge ring of the structure M Fenchi slave housed in the ridge is provided with continuous ratchet teeth 0) , Horizontally, she __ on the machine (iqi), so that the accommodating section of the Tian Duan can have _ or external fine-tuning effect;) two free inside the accommodating section to form an accommodating space, the accommodating space depends on one Internal thread part (1 i), far away from the soil edge, there is another— & _edge_In the direction of the inner diameter is convexly provided with 1 (1 2),) at the retaining edge (i 2) and the internal thread part / edge (1 3), and Tianxinbaibai Mountain A is a ratchet formed on the outside of the accommodating section of the two free ends of the non-threaded shaft of the moon wall surface. (100) 卞 M281888-The wall surface does not have a corresponding ratchet crank ( A) When the socket is in a meshing relationship, as for the hollow accommodating space inside the accommodating section, it can be accommodated by a tight structure (20). The above-mentioned pressing structure (20) includes an inner tapered hole sleeve body (2 1), an outer tapered surface sleeve body (2 2), and a pressing element (2 3), wherein: the inner tapered hole sleeve body (2 1 ), A notch (2 1 1) is provided in a radial section to form a structure with a c-shaped cross-section, and the inner wall edge of the _hole sleeve body (2 丄) is formed with a _hole (2 worker 2 with a predetermined slope). ) 'The inclination direction of the inner taper hole (212) is from the inside end to the outer end of the sleeve—inclined and tapered__', and the _ tapered sleeve body (2 χ) is accommodated in the non-contained section. In the inspection section (丄 3), the inner axial end surface and the abutment edge (12) form an abutment shape. . The oblique taper (2 2) is a ring-shaped ring. The outer box (2 2 i) is designed with the slope of the inner taper (2 2) of the inner taper sleeve and the outer taper. The face cover body (3) The inner wall edge is formed with an internal thread (2 2 2) for screwing of the pressing element (2 3). The pressing element (2 3) 'in this embodiment has a hexagonal hole in the head The bolt, the body of the 4 pieces (2 3) of this bolt type is hunted by an outer thread formed by an external thread (2 3 呈), and the outer cone body (2 3) has a mutual screwing relationship, And through reduction, in order to achieve the evaluation of the outer cone surface of the truncated sleeve during the screw lock process (2 1) to E (Jinshijin), so that the peak hole sleeve body (2 i) of the c P truncated surface is expanded and pushed, and With the simultaneous outward expansion of the segment, the d-ungrouped axial force of the ratchet teeth u1) on the outer edge of the segment is combined. The ratchet teeth of the crank-cranked joints are equal to the body (large _ ministry (241) followed by the body molding of the county gu, Ting (24 VZ 41) 検 Xiangya concave with a preset depth of M281888 ', angle holes ( 2 4 1 1), Eli-Allen wrench tool (not shown)… the outer peripheral edge of the body (2 4 2) with side threads is cut into external threads (2 4 2 workers) = / oral mouth can be borrowed From the external thread (2 4 2 1) and the mandrel (1〇) two free _, the carcass (24) === gift Meica Wukong ^ = ^ 1 ⑷㈣. ^ ^ —Figure.), First Material cone surface sleeve body (22) Shaft cone hole sleeve body (2 1): Enter 'the clamping element (2 3) from the other end (2 tired = (i 3), and the wheel crank (A) is sleeved on Use the inner 1 glove to insert the inner hexagonal hole on the head of the mandrel and press the inner hexagonal hole of the head to turn it tightly. 21) Thin _ non-threaded: 3) The inner wall surface, together with the force of the Tianxin pumping (10) horizontally slotted accommodation section, expands outward synchronously [and then sets the material 敎 _ (A) 戦 —㈣ = __ 242) of _ (24 2 1) and the inner screw of the plant opening, ... mutual screw & (24) is screwed operation, and to achieve the positioning of the external packing structure accommodating section accommodating a crank Langevin - positioned radially packing effect. J. Through the tight structure of the _ hole sleeve miscellaneous cross section, the inner Weichai oblique miscellaneous design ten times supplemented by the corresponding tapered outer sleeve body and the pressing element, the C-shaped inner cone is pushed forward by the mutual screwing process. Noodle cover outside Jingcawu Nenca Saga _ #, through the above technical means, this creation can __ and the tangent axis to overcome the tightness problem due to the increase in reading, making 8 M281888-the relationship between the crank and the mandrel is more stable It can be described as a highly progressive new creation. Referring again to the fifth, sixth, and seventh drawings, this is the second embodiment of the pressing structure of the celestial mandrel of this creation. This embodiment is different from the above embodiment in the inner tapered hole (212) of the C-shaped inner tapered sleeve body (21). ), Which is a type of two inner tapered holes (212) that are tapered from two sides inward, and are matched with two corresponding outer tapered sleeves (2 2). ) When passing through the two outer tapered sleeves (22), the two outer tapered sleeves (22) near and with the pressing element can be pushed in the opposite direction, and the same structural effects as in the above embodiment can be turned. The above are only for explaining the preferred embodiment of the creation, and are not intended to make any form of _ 'yes to this creation, and any modification or copy of the original creation made in the spirit of _ Changes should still be included in the scope of protection of this creative intention. To sum up, the structure of this creative work, regardless of the actual cost, is indeed in line with the needs of the development of the industry, and the disclosed structural creation has an unprecedented innovative structure. The "new chick" should undoubtedly be considered, and this creation can be more effective than the known structure of the increase. It also has # 进 纽 ", which fully meets the requirements of our exclusive free sale. Patent application, please kindly handle as early as 9 M281888 " [Schematic description] The first picture is a schematic diagram of the structure and appearance of the tight structure of the creative mandrel. The second figure is a schematic cross-sectional view of the structural appearance of the pressing structure of this creative mandrel. The third picture is a schematic cross-sectional view of the tight structure of the celestial mandrel in combination with the crank. The fourth picture is a sketch of the appearance of the Tianxin Mining Crank with the urgent structure of Tianxinpei. The fifth diagram is a schematic structural appearance diagram of the second embodiment of the pressing structure of the creative mandrel. The sixth figure is a schematic structural cross-sectional view of the second embodiment of the pressing structure of this creative Tianxin #. # 七 图 This figure shows the schematic view of the cross section of the helical mandrel in combination with the crank in the second embodiment of the tight structure of the celestial mandrel. [Description of main component symbols]
1 3〜 21^ 212 22 1 2 3-2 4〜 天心軸 擋緣 2 〇 —— 一一一迫緊結構 211—一一 一缺槽 2 2 ~~ — 一外錐面套體 2 2 2 — 一一一内螺紋 2 3 1—— 一外螺紋 2 41—一一—頭部 2 4 2— 一一一身部 10 0 — — 一一棘齒 ——内螺紋部 --非螺纹部 一内錐孔套體 一内錐孔 一外錐面 --迫緊元件 一蓋體 24 1 1---内六角孔 2 4 2 1---外螺紋 1 〇 1〜---剖槽1 3 ~ 21 ^ 212 22 1 2 3-2 4 ~ Tendon mandrel flange 2 〇—— One-by-one pressing structure 211—One-by-one notch 2 2 ~~ — An outer tapered sleeve 2 2 2 — One one one internal thread 2 3 1—— One external thread 2 41—one one—head 2 4 2—one one body part 10 0 — one one ratchet tooth—female thread part—non-thread part one inner Taper hole sleeve body-inner taper hole-outer taper surface--pressing element-cover body 24 1 1 --- hexagonal hole 2 4 2 1 --- external thread 1 〇1〜 --- cut groove
A —一曲柄A —One crank