201038417 六、發明說明： 【發明所屬之技術領域】 本發明係-種涉及自行車 干f相 種以磁A 』 式讓棘塊保持嚙合狀態之輪 ‘ 輪轂構造，尤指一〃· .、 車專相關技術領域的 - 轂的棘輪裝置。 【先前技術】 在自行車或健身車等產 «留r & 马了讓車輪能夠保持正201038417 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a wheel hub structure in which a bicycle is in a magnetic A 』 type to keep the ratchets engaged, particularly a 〃·· A related art - hub ratchet device. [Prior technology] In the bicycle or exercise bike, etc. «Leave r & horse has let the wheel stay positive
轉早向驅動形態，一般均會於 ^ ^ ^ w TS ^ ^ 、皁輪的輪城的内部設有一個 棘輪裝置，現有的棘輪裝置 Τ、Λ, 土 ’、有'、、°構形態，可以參看如 TW證書號數丨249477 有 M^9n_ r ±i 棘輪哀置」、丁w證書號數 破棘輪與輪穀」及谓證書號數M257417號 飛輪棘塊組改良結構」等專利案所示，容不在詳述。 現有棘輪裝置的結構設計，一 τ 叙均係採用複數個棘爪 h齒部㈣配合的模式，並利㈣性束環或彈片來讓棘 爪的爪端保持揚起狀態，藉以讓棘爪與環齒部能夠咬合傳 動。現有的棘爪式棘輪裝置，在製造及裂配方面較為費工 費時’並且在實施使用上，容易產生下列的問題··、 ^現有的棘輪裝置在使用一段時間之後’便會因為彈 ϋ束ί衣或彈片的彈性疲乏，導致棘塊無法正常的揚起，造 成齒盤與輪轂之間發生空轉的問題。 2·現有的棘輪裝置的每一個棘爪均只有—個咬合點（ Ρ棘爪纟而），導致棘爪端的受力相當大而容易損壞，並且只 要其中一個棘爪端產生磨損，便會造成卡制力不平均而難 以順暢傳動的問題。 3 201038417 3.現有的棘輪I置會因為彈性束環各部 不均或不同彈片的彈性六τ门 n 坪刀刀佈 …生力不同’造成各個棘爪的卡制力不 平穩及傳動不確實的問題。 不 . 【發明内容】 m輪較的棘爪式棘輪裝置，有關於棘爪的受 力過度集中於棘爪端 ο -疲束環或彈片容易產生彈性 =成卡制力不平穩等問題及限制，本發明的主要目 棘輪束置，太路Ba式讓棘塊保持嚙合狀態之輪轂的 上且右\ 係於棘輪裝置的棘塊座設有二個以 气:#面且呈可移動形態的棘塊，以及於環齒部連社 置△上 性件以磁力來吸引棘塊與環齒部保捭 早向卡制的喃合狀態，有效地達到施力平均及平稃傳“ 效能。 丁』及十穩傳動的 裝置本：:：=r支術手段係在於提供—種輪較的棘輪 〇 有相對設置輪殼與一驅動構件之間，並包括 ;其中·輪喊及該驅動構件的一棘塊座及一環齒部 各：：棘塊座間隔設有二個以上的棘塊槽，於各棘塊槽 齒：：可滑動形態設置的棘塊，各棘塊於朝向該環 *側设有具複數個棘齒的棘齒面； 该環齒部係以鋼質材料製成且連結設有—磁性件 矛】用自亥磁柯杜並 齒部而…力吸引各棘塊的棘齒面貼靠抵觸於該環 ^成早向卡制的嚙合形態。 月』述的棘輪農置，其中的棘塊座係以凸出形態設於輪 4 201038417 殼的一端，棘塊槽係以傾斜形態由棘塊座的外周面凹設形 $;驅動構件係為—齒盤’該齒盤係套設結合於棘塊座且 環齒部係設於齒盤的内周面。 接月j述的棘輪裝i，《中的輪殼於一端㈤設形成一裝配 .槽，棘塊座係位於裝配槽白勺外周目，棘塊槽係以傾斜形態 由棘塊座的内周面凹設形成；驅動構件係為一輪轴組件， 玄輪軸組件係包括一心軸及—套設結合於心軸的齒輪筒， 環齒:係設於該齒輪筒的旁側且對應於裝配槽及棘塊座。 〇 ϋ述的棘輪裝置，其中的輪殼於-端凹設形成一裝配 槽，環齒部係位於裳配槽的外周圍；驅動構件係為一輪轴 味忒輪軸組件係包括一心軸及一套設結合於心軸的齒 ^筒，棘塊座係設於齒肖筒的旁側且對應於裝配槽及環齒 β ’棘塊槽係以傾斜形態由棘塊座的外周面凹設形成β ,述的棘輪裝置，其中的輪殼於一端凹設有一裝配槽 於裝配槽結合設有一棘齒環’環齒部係設於棘齒環的内 軸面丄驅動構件係為一輪轴組件，該輪轴組件係包括一心 〇由及-套設結合於心、軸的齒輪Μ，棘塊耗設於齒輪筒的 •對應於裝配槽及環齒部，棘塊槽係以傾斜形態由棘 鬼座的外周面凹設形成。 前述的棘輪裝置，其中於環齒部的範圍内設有一圈嵌 ，，磁性件係嵌置於該嵌溝，並且可分設為兩段以上。 本發明所提供輪較的棘輪裝置，可以獲得點 效增進包括： 裝置心本勒明利用連結於環齒部的磁性件’取代現有棘輪 一淨性束環及彈片等構件，有效地簡化棘輪裝置的構 5 201038417 以並且迠夠提高裝配及維修的便利性。 2.本發明利用磁性件來吸引棘塊， 保持貼附於環齒部的狀§ /的棘齿面 _各棘塊產生相同的卡制力，有效力：能 -穩傳動的效能。 運丨轭力平均及平 相2，本各棘塊的棘齒面係以複數個棘齒與環齒部 Ο 生平穩順暢的傳動效果，並且複數個棘===產 力，有效地提高各棘塊的耐用性及喃合傳動p句刀攤受 的:合 疲乏而番: 似於現有棘輪裝置容易因為彈性 值乏而丧失正常功能的問題，有效提高棘輪裝置的實用價 【實施方式】 為能詳細瞭解本發明的技術特徵 照說明書的内容來實施，兹進一步以二=並可依 ϋ施例，詳細說明如后： 圖式所-的較佳實 本發明係提供-種輪較的棘輪裝置， 於輪較的輪殼與驅動構件之間，其中的驅動構== 盤或輪轴纽件而不作特定的限制。本發明係包：齒 於輪殼及驅動構件的棘塊座及環齒部；其 、。又置 間隔設有二個以上的棘塊槽，於各棘塊槽=棘塊座 ::動形態設置的棘塊，各棘塊係設有-具複 棘齒面；該環齒部係以鋼質材料製成且連結有磁性件= 6 201038417 利用該磁性件的磁力吸引各棘塊的棘齒面保持貼靠嚙合於 該環齒部，藉以達到施力平均、平穩傳動及耐用性佳等效 能。 本發明所提供的第一較佳實施例係如第_、二圖所示 •，其主要係設有—輪殼（10)及一齒盤（20)等構件；其中於 該輪殼（10)的-端凸出設有—環塊狀且於端部形成外螺紋 .面的棘塊座（11 )，於該棘塊座（11)以等間隔的對稱形態設 有二個以上的棘塊槽（12)，如圖所示的實施例係設有兩個 〇棘塊槽(12)，各棘塊槽(12)係以具傾斜角度的傾斜形態由 該棘塊座（11)的外周面凹設形成，並於朝向開口方向的傾 斜面形成一頂推面（122);於各棘塊槽（12)分別嵌設結合有 一呈可滑動形態設置的棘塊（1 3)，各棘塊（1 3)的形狀係與 相對應的棘塊槽（12)相匹配，並且在對應於該棘塊槽（彳2) 開口的一側設有一具複數個棘齒的棘齒面（1 32)，以及於對 應該頂推面（122)的一側形成一可與該頂推面（122)抵靠的 抵面（134); Ο 础述的齒盤（2 0)係利用一對位於兩側的軸承組（14)安 裝套設於輪殼（1 0)的棘塊座（11 )，並以一環蓋（1 5)螺合於該 棘塊座（1 1)的端部而將該齒盤（20)以可順暢轉動的形態夾 制疋位’該齒盤（20)係以鋼料材質製成且於内周面設有一 具系列棘齒的環齒部（21)’該環齒部（21)所設系列棘齒的 卡制方向係相對於前述棘塊槽（1 22)的頂推面（1 22)，並於 該環齒部（21)的中線位置凹設有一圈嵌溝（22)，以及於該 肷溝（2 2)嵌置設有一未突出於棘齒面的磁性件（2 3 )，如圖 所示的磁性件（23)係設為環圈狀且區分成三段，藉以方便 201038417 於將磁性件（23)裝配嵌入該嵌溝（22)而定位。 如第~、二圖所示，本發明的各棘塊（13)係以可進退 動形恶嵌設於所對應的棘塊槽(12)中，使得嵌 齒部叫的錄件（2取_磁力則丨各棘塊（13朿^ .(13取持貼靠於該環齒部（21)的狀態，利用相對稱== 各棘塊（1 3)係以棘齒面（132)與該環齒部（21)形成單向卡制 的喷合形態，能夠讓各棘塊（13)以複數個棘齒產生平衡穩 .定的卡制力，不僅有效地達到施力平均及平穩傳動的效能 〇 ’並且可以提高各棘塊（1 3)的耐用性。 本發明所提供的第二較佳實施例係如第三、四圖所示 ,其主要係設有一輪殼（10A)及一輪軸組件（3〇);其中，於 該輪殼（1 0A)的一端凹設有一呈圓形凹槽狀的裝配槽（16)， 於該裝配槽（16)的外周圍形成一具内周面的棘塊座（11A)， 於該棘塊座（11A)的内周面等間隔設有二個以上的棘塊槽 (1 2 )，如圖所示的實施例係設有兩個棘塊槽（1 2 )，各棘塊 槽（12)係以一個傾斜角度的形態由該棘塊座（1 1)的内周面 ❹凹认形成，並於朝向開口方向的傾斜面形成一頂推_面（1 2 2) ;於各棘塊槽（1 2)分別嵌設結合有一呈可滑動形態設置的 棘塊（1 3)’各棘塊（1 3)的形狀係與相對應的棘塊槽（1 2)相匹 配，並且在對應於該棘塊槽（1 2)開口的一側設有一具複數 個棘齒的棘齒面（132)，以及於對應該頂推面（122)的一側 形成一可與該頂推面（122)抵靠的抵面（134); 前述的輪軸組件（30)係設有一心軸（31 )，於該心軸（31) 套設結合有一供齒輪組件安裝的齒輪筒（32)，於齒輪筒 (32)旁側設有一對應於輪殼（1〇A)所設裝配槽（16)及棘塊座 8 201038417 ⑴Α)的環齒部（33卜該環”（33)於相㈣有系列的棘 齒，並於該環齒部（33)的中線位置凹設有—圈喪溝（34)， 於該嵌溝（34)後置設有一未突出棘齒面的磁性件㈣，如 圖所不的磁性件（35)係設為環圈狀且區分為二段，藉以方 .便於將磁性件（35)裝配嵌入該嵌溝（34)而定位。 ο 、如第三、四圖所示，本發明利用設於環齒部（33)位置 ’、丨件（35)，此夠直接以磁力吸引各棘塊（η)的棘齒面 ⑴2)保持貼靠抵觸於環齒部（33)而形成單向卡制㈣合狀 L有效地產生施力平均、平穩傳動及耐用性佳等效能。 本發明所提供的第三較佳實施例係如第五、六圖所示 ，其主要係、設有—輪殼（簡）及-輪軸組件（30);其中於輪 殼（湖）的—端凹設有一具内螺紋面的裝配槽⑽，於該裝 配槽（16)以螺紋結合有一以鋼質材料製成的棘齒環（川， 該棘齒環（17)於内周面設有一具系列棘齒的環齒部⑽）， 於該環齒部（172)的中線位置凹設有一圈嵌溝⑽），於該 嵌溝⑽）嵌置設有一未突出於棘齒面的磁性件（18)，如圖 所不的磁性件（1 8)係設為環圈狀且區分為三段，藉以方便 於將磁性件（18)裳配嵌入該巍溝（174)而定位； 前述的輪軸組件（30)於#輪筒（32)的旁側設有一對應 於輪殼（1QB)所設棘齒環（17)的環塊狀棘塊座㈣），於該棘 塊座（36)等間隔凹設有二個以上的棘塊槽㈣，於各棘塊 槽（36)分別嵌設有—呈可移動形態設置的棘塊…）；藉此 ’利用設於環齒部（172)位置的磁性件（彳8)，以磁力吸引各 棘塊（37)的棘齒面保㈣靠抵觸於環齒部（「2)而形成單向 卡制的喷合狀態，有效地產生施力平均、平穩傳動及耐用 9 201038417 性佳寺效能。 本發明所提供的第四較佳實施例係如第七、八圖所示 ，忒貫施例與前述第三實施例的差別係在於磁性件（19)的 設置形態，在本實施例中，將磁性件（19)設為環圈狀，並 且直接以棘齒環（17)將磁性件（19)夾置於 〇所設的裝配槽⑽之間，利用以鋼諸料製成)的= 環的磁力傳導作用，讓磁性件（19)的磁力能夠通過棘 齒％ (17)而吸引各棘塊（37)的棘齒面與環齒部（彳72)形成單 Q 向卡制嚙合狀態。 以上所述，僅是本發明的幾個較佳實施例，並非對本 發明作任何形式上的限制，任何所屬技術領域中且有通常 知識者，若在不脫離本發明所提技術方案的範圍内，利用 本發明所揭示技術内容所作出局部更動或修飾的等效實施 ，並且未脫離本發明的技術方案内容，均仍屬於本發明 技術方案的範圍内。 〇 【圖式簡單說明】 第圖係本發明第一較佳實施例之組成構件分解圖 第二圖係本發明第-較佳實施例之結構剖面示意圖 :_圖係本發明第二較佳實施例之組成構件分解圖 弟四圖係本發明篦__ y & 月第一較佳實施例之結構剖面示意圖 弟五圖係本發明筮=y 第一較佳實施例之組成構件分解圖 弟六圖係本發明第二 弟—較佳實施例之結構剖面示意圖 第七圖係本發明笛h 回 月弟四較佳實施例之組成構件分解圖 第八圖係本發明贫 月第四較佳實施例之結構剖面示意圖 10 201038417 【主要元件符號說明】 (10,10A,10B)輪殼 (11,11A)棘塊座 (12)棘塊槽 (122)頂推面 (1 3)棘塊 (132)環齒部 (134)抵面 (1 4)軸承組 (15)環蓋 (16)裝配槽 (17)棘齒環 (172)環齒部 (174)嵌溝 (18,19)磁性件 (20)齒盤 (21)環齒部 (22)嵌溝 (23)磁性件 (3 0)輪軸組件 (31)心軸 (32)齒輪筒 (33)環齒部 (34)頂推面 (35)磁性件 (3 6)棘塊座 (37)棘塊槽 (38)棘塊 11Turning to the early drive mode, generally there will be a ratchet device inside the ^ ^ ^ w TS ^ ^, the wheel of the wheel, the existing ratchet device Τ, Λ, earth ', have ',, ° configuration, For example, TW certificate number 丨 249477 has M^9n_ r ±i ratcheting sorrow, Ding w certificate number broken ratchet and wheel valley, and certificate number M257417 flywheel ratchet group improved structure" and other patent cases Show, the capacity is not detailed. The structural design of the existing ratchet device is a mode in which a plurality of pawl h teeth (four) are matched, and a four-beam brace or a spring is used to keep the claw end of the pawl raised, thereby allowing the pawl to The ring tooth can be engaged with the transmission. The existing ratchet type ratchet device is laborious and time consuming in manufacturing and cracking, and it is easy to produce the following problems in implementation and use. ^The existing ratchet device will be used for a period of time after being used for a period of time. The elasticity of the jersey or shrapnel is too tired, causing the ratchet to fail to rise properly, causing a problem of idling between the sprocket and the hub. 2. Each of the existing ratchet devices has only one bite (the pawl and the pawl), which causes the force of the pawl end to be quite large and easily damaged, and as long as one of the pawl ends is worn, it will cause The problem that the card force is not uniform and it is difficult to smoothly drive. 3 201038417 3. The existing ratchet I will be set because of the unevenness of the elastic bucks or the elastic six 门 n n ping knives of different shrapnel... the difference in the force is different, causing the clamping force of each pawl to be unstable and the transmission to be untrue. problem. [Explanation] The ratchet type ratchet device of the m-wheel has excessive force on the pawl end of the pawl device. The fatigue ring or the elastic piece is easy to produce elasticity = the card force is not stable, and the like. The main purpose ratcheting of the present invention is that the upper and right sides of the hub that keeps the ratchets in the engaged state are provided with two gas: #面面 and movable forms. The ratchet, and the Δ upper part of the ring toothing are magnetically attracted to the rattling state of the ratchet and the ring toothing, and effectively achieve the effect of the force and the flatness. And the device of the ten-stable transmission: the ::=r branching means is to provide a ratcheting wheel of the wheel type which is disposed between the wheel housing and a driving member, and includes; wherein the wheel is shouted and the driving member a ratchet block and a ring tooth portion: each of the spine block seats is provided with two or more ratchet slots, and the ratchet block teeth are: the spine blocks arranged in a slidable manner, and the respective spines are oriented toward the ring* side a ratchet surface having a plurality of ratchet teeth; the ring tooth portion is made of a steel material and is connected The magnetic spear] uses the force of the magnetic cortex and the tooth to attract the ratchet surface of each ratchet to abut against the ring into the meshing form of the early engagement. The ratcheting of the moon, the The ratchet seat is disposed at one end of the shell of the wheel 4 201038417 in a convex shape, and the spine groove is recessed from the outer peripheral surface of the spine block in an inclined shape; the drive member is a toothed disc. The ratchet block is coupled to the inner peripheral surface of the toothed disc. The ratchet mount i described in the following month, "the middle wheel shell is formed at one end (five) to form an assembly groove, and the ratchet seat is located in the assembly groove In the outer periphery, the ratchet groove is formed by the inner peripheral surface of the spine block in an inclined shape; the driving member is an axle assembly, and the xanth wheel assembly includes a mandrel and a gear barrel coupled to the mandrel The ring gear is disposed on the side of the gear cylinder and corresponds to the mounting groove and the ratchet seat. The ratchet device described above has a wheel housing at the end end recessed to form a mounting groove, and the ring tooth portion is located in the skirt. The outer periphery of the matching groove; the driving member is an axle miso axle assembly comprising a mandrel and a set of couplings to the mandrel The tooth cylinder, the ratchet seat is disposed on the side of the tooth cylinder and corresponds to the fitting groove and the ring tooth β 'the spine groove system is recessed from the outer peripheral surface of the spine block to form a β, the ratchet device The wheel housing is recessed at one end with a mounting groove. The mounting groove is coupled with a ratchet ring. The ring gear is attached to the inner shaft surface of the ratchet ring. The drive member is an axle assembly, and the axle assembly includes One-piece 及 - - - - - - - - - - - 结合 结合 结合 结合 结合 结合 结合 Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合 结合The ratchet device described above, wherein a ring is embedded in the range of the ring tooth portion, and the magnetic member is embedded in the groove, and can be divided into two or more segments. The wheel ratchet device provided by the present invention, The point-effect enhancements that can be obtained include: The device is equipped with a magnetic member attached to the ring tooth portion to replace the existing ratchet-net beam ring and the elastic member, thereby effectively simplifying the structure of the ratchet device 5 201038417 and improving the assembly. And the convenience of maintenance. 2. The present invention utilizes a magnetic member to attract the ratchet and maintain the shape of the ratchet surface attached to the ring tooth portion. Each of the ratchet blocks produces the same clamping force, and the effective force: the performance of the stable transmission. The average yoke force and the flat phase 2, the ratchet surface of each ratchet has a smooth and smooth transmission effect with a plurality of ratchets and ring teeth, and a plurality of spines === productivity, effectively improving each The durability of the spine and the swaying of the spurs of the spurs are: fatigue and sufficiency: It seems that the existing ratchet device is easy to lose the normal function due to lack of elasticity, effectively improving the practical price of the ratchet device. The technical features of the present invention can be implemented in detail according to the contents of the specification, and further, the second embodiment can be further explained as follows: The preferred embodiment of the present invention provides a ratchet of the wheel type. The device is between the wheel housing and the drive member of the wheel, wherein the drive structure == disc or axle member is not specifically limited. The invention relates to a ratchet seat and a ring tooth portion of a wheel housing and a driving member; Two or more ratchet slots are provided at intervals, and each of the spine slots = a spine block: a ratchet block provided in a movable form, each of the spine blocks is provided with a complex ratchet surface; the ring tooth portion is Made of steel material and connected with magnetic parts = 6 201038417 The magnetic force of the magnetic member is used to attract the ratchet surface of each ratchet to stay in contact with the ring tooth portion, so as to achieve average force, smooth transmission and durability. efficacy. The first preferred embodiment of the present invention is as shown in the first and second figures, and is mainly provided with a member such as a wheel housing (10) and a toothed disc (20); wherein the wheel housing (10) The end-projection is provided with a ring block (11) having a ring-shaped block and forming an external thread at the end, and the ratchet block (11) is provided with two or more spines in an equally spaced symmetrical form. The block groove (12), as shown in the embodiment, is provided with two spurs (12), each of which is inclined by an inclined angle from the pedicle seat (11) The outer peripheral surface is concavely formed, and an inclined surface (122) is formed on the inclined surface facing the opening direction; and each of the ratchet grooves (12) is respectively embedded with a ratchet block (1 3) disposed in a slidable manner, each of The shape of the spine (13) is matched with the corresponding ratchet groove (12), and a ratchet surface having a plurality of ratchets is provided on a side corresponding to the opening of the spine groove (彳2) ( 1 32), and on a side corresponding to the pushing surface (122), a resisting surface (134) is formed which can abut against the pushing surface (122); Ο the basic toothed disc (20) utilizes a Pair of bearing sets (14) on both sides The ratchet seat (11) is sleeved on the wheel housing (10), and is screwed to the end of the spine seat (11) with a ring cover (15) to smoothly smooth the toothed disc (20) Rotating shape clamping position 'The toothed disc (20) is made of steel material and has a series of ratcheting ring teeth (21) on the inner circumferential surface. The locking direction of the ratchet is opposite to the pushing surface (1 22) of the aforementioned ratchet groove (1 22), and a groove (22) is recessed in the center line position of the ring tooth portion (21), and A magnetic member (23) not protruding from the ratchet surface is embedded in the sulcus (2 2), and the magnetic member (23) as shown in the figure is arranged in a ring shape and divided into three segments, thereby facilitating 201038417 Positioning the magnetic member (23) in the fitting groove (22). As shown in the first and second figures, each of the ratchets (13) of the present invention is embedded in the corresponding ratchet groove (12) with a retractable shape, so that the recording part of the cog portion is taken. _Magnetic 丨 丨 丨 ( 朿 朿 ( ( ( ( ( ( ( ( ( ( ( ( ( 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 The ring tooth portion (21) forms a one-way snap-on spray pattern, which enables each of the ratchet blocks (13) to generate a balanced and stable clamping force with a plurality of ratchet teeth, not only effectively achieving the force application average and smooth transmission. The performance of the present invention can improve the durability of each of the spines (13). The second preferred embodiment of the present invention is as shown in the third and fourth figures, and is mainly provided with a wheel housing (10A) and An axle assembly (3〇); wherein a fitting groove (16) having a circular groove shape is recessed at one end of the wheel housing (10A), and an inner circumference is formed around the fitting groove (16) The circumferential seat block (11A) is provided with two or more ratchet grooves (1 2 ) at equal intervals on the inner peripheral surface of the ratchet seat (11A), and two embodiments are provided as shown in the embodiment. Ratchet groove (1 2 ), each ratchet groove (12) Formed at an oblique angle by the inner peripheral surface of the spine block (1 1), and formed by a slanting surface facing the opening direction (1 2 2); (1 2) respectively embedding a ratchet block (13) in a slidable configuration, the shape of each of the spines (13) matches the corresponding ratchet groove (12), and corresponds to A ratchet surface (132) having a plurality of ratchet teeth is disposed on one side of the opening of the spine groove (12), and a pushing surface (122) is formed on a side corresponding to the pushing surface (122). Abutting abutment (134); the aforementioned axle assembly (30) is provided with a mandrel (31), and the mandrel (31) is sleeved with a gear cylinder (32) for mounting the gear assembly on the gear A ring tooth portion (33b) (33) corresponding to the mounting groove (16) provided by the wheel housing (1〇A) and the ratchet seat 8 201038417 (1)Α) is provided on the side of the cylinder (32). The ratchet teeth are concavely disposed at the center line position of the ring tooth portion (33) - a loop groove (34), and a magnetic member (4) having an unprojected ratchet surface is disposed behind the recessed groove (34), such as Magnetic parts (35) It is a ring shape and is divided into two segments, whereby it is convenient to position the magnetic member (35) into the groove (34) for assembly. ο. As shown in the third and fourth figures, the present invention is provided in the ring tooth portion. (33) position ', element (35), which is sufficient to directly attract the ratchet surface (1) 2 of each ratchet (η) by magnetic force to maintain abutting against the ring tooth portion (33) to form a one-way card (4) L effectively produces a force-averaging, smooth transmission and excellent durability. The third preferred embodiment of the present invention is as shown in the fifth and sixth figures, and is mainly provided with a wheel housing (simplified) And an axle assembly (30); wherein the end of the wheel housing (lake) is provided with a mounting groove (10) having a female thread surface, and the fitting groove (16) is screwed with a ratchet made of steel material Ring (the ratchet ring (17) is provided with a series of ratcheting ring teeth (10) on the inner circumferential surface), and a ring groove (10) is recessed in the center line position of the ring tooth portion (172), The recessed groove (10) is embedded with a magnetic member (18) that does not protrude from the ratchet surface. The magnetic member (18) is not ring-shaped and is divided into three segments. It is convenient to position the magnetic member (18) in the sulcus (174); the aforementioned axle assembly (30) is provided on the side of the # wheel (32) with a ratchet corresponding to the wheel housing (1QB) a ring-shaped block seat (4) of the ring (17), wherein two or more ratchet grooves (4) are recessed at equal intervals in the spine block (36), and are respectively embedded in each of the spine grooves (36). The ratchet block of the movable shape is set.); thereby, by using the magnetic member (彳8) provided at the position of the ring tooth portion (172), the ratchet surface of each of the ratchet blocks (37) is magnetically attracted (four) against the ring The toothed portion ("2) forms a one-way snap-on state, effectively producing a force-applying average, smooth transmission, and durability. The fourth preferred embodiment of the present invention is as shown in the seventh and eighth embodiments. The difference between the embodiment and the third embodiment is the arrangement of the magnetic member (19). In this embodiment, The magnetic member (19) is set in a loop shape, and the magnetic member (19) is directly sandwiched between the fitting grooves (10) provided by the cymbal ring (17), and is made of steel materials. The magnetic force of the ring causes the magnetic force of the magnetic member (19) to attract the ratchet surface of each of the ratchets (37) and the ring tooth portion (彳72) to form a single Q-engagement engagement state through the ratchet tooth % (17). . The above description is only a few preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art without departing from the scope of the present invention The equivalent implementation of the local modification or modification made by the technical content of the present invention, and without departing from the technical solution of the present invention, is still within the scope of the technical solution of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a first preferred embodiment of the present invention. FIG. 2 is a cross-sectional view of a first preferred embodiment of the present invention: FIG. Example of the component exploded view of the fourth embodiment of the present invention __ y & month first preferred embodiment of the structural cross-sectional schematic diagram of the fifth embodiment of the present invention 筮 = y the first preferred embodiment of the component decomposition diagram 6 is a second embodiment of the present invention - a cross-sectional view of a preferred embodiment of the present invention. The seventh embodiment is an exploded view of the components of the preferred embodiment of the present invention. Schematic diagram of the structure of the embodiment 10 201038417 [Description of main components] (10,10A, 10B) Wheel housing (11, 11A) Ratchet seat (12) Ratchet groove (122) Pushing surface (1 3) Ratchet ( 132) Ring tooth (134) abutment (1 4) bearing set (15) ring cover (16) mounting groove (17) ratchet ring (172) ring tooth (174) groove (18, 19) magnetic parts (20) sprocket wheel (21) ring tooth portion (22) groove (23) magnetic member (30) axle assembly (31) mandrel (32) gear tube (33) ring tooth portion (34) pushing surface ( 35) Magnetic (36) ratchet block housing (37) ratchet block groove (38) of the ratchet block 11