TWI608944B - Bicycle hub - Google Patents

Bicycle hub Download PDF

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TWI608944B
TWI608944B TW106100271A TW106100271A TWI608944B TW I608944 B TWI608944 B TW I608944B TW 106100271 A TW106100271 A TW 106100271A TW 106100271 A TW106100271 A TW 106100271A TW I608944 B TWI608944 B TW I608944B
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ratchet
hub
magnet
seat
ring
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TW106100271A
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Chinese (zh)
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TW201825319A (en
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Gavin Michael Vos
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Description

自行車花鼓Bicycle hub

本發明與自行車有關,特別是指一種自行車花鼓。The invention relates to bicycles, and in particular to a bicycle hub.

本案之申請人先前於中華民國所申請之公開第201420380號發明專利案主要是利用彈性件對從動棘輪提供彈性推頂力量,使從動棘輪被主動棘輪所推離之後能夠再度與主動棘輪嚙接在一起,如此反覆的作動之下即可讓主動棘輪產生相對花鼓殼的空轉。The applicant's patent application No. 201420380, previously filed by the applicant in the Republic of China, mainly uses elastic members to provide elastic pushing force to the driven ratchet, so that the driven ratchet can be re-engaged with the active ratchet after being pushed away by the active ratchet. Together, the active ratchet can be idling relative to the hub of the flower cylinder under such repeated action.

然而在前述習用專利案中,彈性件在長時間的使用之下容易出現彈性疲乏的問題,導致彈性件提供給從動棘輪的彈性推頂力量會日趨下降,在此情況下,從動棘輪會沒有辦法跟主動棘輪之間保持良好的離合效果,進而將會嚴重影響整個花鼓在動力傳輸方面的穩定度。However, in the aforementioned conventional patent case, the elastic member is prone to the problem of elastic fatigue under long-term use, and the elastic ejector force provided by the elastic member to the driven ratchet is gradually decreased. In this case, the driven ratchet will be lowered. There is no way to maintain a good clutching effect with the active ratchet, which will seriously affect the stability of the entire hub in terms of power transmission.

本發明之主要目的在於提供一種自行車花鼓,其具有使用壽命長及離合效果佳的特色。The main object of the present invention is to provide a bicycle hub which has the characteristics of long service life and good clutching effect.

為了達成上述目的,本發明之自行車花鼓包含有一心軸、一花鼓殼、一棘輪座、一主動棘輪、一從動棘輪、一第一磁鐵組,以及一第二磁鐵組。該花鼓殼套設於該心軸且藉由一設於該心軸與該花鼓殼之間之第一軸承而能相對該心軸轉動;該棘輪座套設於該心軸且藉由一設於該心軸與該棘輪座之間之第二軸承而能相對該心軸轉動,該棘輪座接設於該花鼓殼之一端且藉由一設於該花鼓殼與該棘輪座之間之第三軸承而能相對該花鼓殼轉動;該主動棘輪可轉動地套設於該心軸且連接於該棘輪座之一端,使得該主動棘輪能與該棘輪座同步轉動,此外,該主動棘輪背對於該棘輪之一端面具有一第一棘齒部;該從動棘輪可轉動地套設於該心軸且可軸向移動地設於該花鼓殼內,該從動棘輪朝該主動棘輪之一端面具有一第二棘齒部,該第二棘齒部可分離地嚙接於該主動棘輪之第一棘齒部;該第一磁鐵組具有一第一磁鐵固定座與一第一磁鐵,該第一磁鐵固定座套設於該心軸且固定於該花鼓殼內,該第一磁鐵設於該第一磁鐵固定座朝該從動棘輪之一端面;該第二磁鐵組具有一第二磁鐵固定座與一第二磁鐵,該第二磁鐵固定座套設於該心軸且固定於該從動棘輪,該第二磁鐵設於該第二磁鐵固定座且面對於該第一磁鐵,此外,該第二磁鐵具有與該第一磁鐵相同的極性。In order to achieve the above object, the bicycle hub of the present invention comprises a mandrel, a hub, a ratchet seat, an active ratchet, a driven ratchet, a first magnet set, and a second magnet set. The hub is sleeved on the mandrel and rotatable relative to the mandrel by a first bearing disposed between the mandrel and the hub; the ratchet seat is sleeved on the mandrel and provided by a shaft a second bearing between the spindle and the ratchet seat is rotatable relative to the spindle, the ratchet seat is coupled to one end of the hub and is disposed between the hub and the ratchet seat a three-bearing bearing is rotatable relative to the flower bolster; the active ratchet is rotatably sleeved on the spindle and coupled to one end of the ratchet seat, such that the active ratchet can rotate synchronously with the ratchet seat, and further, the active ratchet is opposite to One end surface of the ratchet wheel has a first ratchet portion; the driven ratchet wheel is rotatably sleeved on the mandrel and is axially movably disposed in the hub of the hub, and the driven ratchet wheel faces one end surface of the active ratchet wheel The second ratchet portion is detachably engaged with the first ratchet portion of the active ratchet; the first magnet group has a first magnet mount and a first magnet, the first magnet a magnet fixing seat is sleeved on the mandrel and fixed in the hub of the hub, the first magnet is provided The first magnet fixing seat has an end surface of the driven ratchet; the second magnet group has a second magnet fixing seat and a second magnet, and the second magnet fixing seat is sleeved on the spindle and fixed to the slave The ratchet is disposed on the second magnet holder and faces the first magnet. Further, the second magnet has the same polarity as the first magnet.

由上述結構可知,當該棘輪座受到一大齒盤之驅動而帶動該主動棘輪開始正轉時,該主動棘輪會藉由與該從動齒輪之間的嚙接關係帶動該從動棘輪轉動,使該從動棘輪再帶動該花鼓殼一起轉動,然而當該棘輪座帶動該主動棘輪反轉時,該主動棘輪會推動該從動棘輪,使該從動棘輪朝遠離該主動棘輪的方向產生軸向位移,在該從動棘輪產生軸向位移之後會受到該第一、第二磁鐵之間的相斥力而再度嚙接於該主動棘輪,如此反覆的嚙接與分離即可讓該主動棘輪相對於該花鼓殼產生空轉。According to the above structure, when the ratchet seat is driven by the large toothed disc to drive the active ratchet to start normal rotation, the active ratchet rotates the driven ratchet by the meshing relationship with the driven gear. The driven ratchet wheel is further driven to rotate the hub together, but when the ratchet seat drives the active ratchet reverse, the active ratchet pushes the driven ratchet to cause the driven ratchet to generate an axis away from the active ratchet The displacement, after the axial displacement of the driven ratchet is received by the repulsive force between the first and second magnets, is re-engaged to the active ratchet, so that the repeated engagement and separation can make the active ratchet relatively The pontoon shell is idling.

在本發明之實施例中,該棘輪座之外周面套設有一防水墊圈,用以避免外界的雨水進入該花鼓殼的內部。In an embodiment of the invention, the outer peripheral surface of the ratchet seat is sleeved with a waterproof gasket to prevent external rainwater from entering the interior of the hub.

在本發明之實施例中,該棘輪座與該主動棘輪之間是以螺合方式鎖固在一起,而且,該棘輪座與該主動棘輪之間設置有一鎖緊墊圈,用以提升兩者之間的扭力穩定度。In the embodiment of the present invention, the ratchet seat and the active ratchet are screwed together, and a lock washer is disposed between the ratchet seat and the active ratchet to enhance the two. Torque stability between.

在本發明之實施例中,該從動棘輪具有至少一省料槽,進而在不影響結構強度的情況之下達到節省材料成本的效果。In an embodiment of the invention, the driven ratchet has at least one hopper, thereby achieving the effect of saving material costs without affecting structural strength.

有關本發明所提供之自行車花鼓的詳細構造、特點、組裝或使用方式,將於後續的實施方式詳細說明中予以描述。然而,在本發明領域中具有通常知識者應能瞭解,該等詳細說明以及實施本發明所列舉的特定實施例,僅係用於說明本發明,並非用以限制本發明之專利申請範圍。The detailed construction, features, assembly or use of the bicycle hub provided by the present invention will be described in the detailed description of the subsequent embodiments. However, it should be understood by those of ordinary skill in the art that the present invention is not limited by the scope of the invention.

請參閱第1及2圖,本發明第1實施例之自行車花鼓10包含有一心軸20、一花鼓殼28、一棘輪座38、一防水墊圈43、一主動棘輪46、二鎖緊墊圈50、一從動棘輪51、一第一磁鐵組56,以及一第二磁鐵組60。Referring to Figures 1 and 2, the bicycle hub 10 of the first embodiment of the present invention includes a spindle 20, a hub 28, a ratchet seat 38, a waterproof gasket 43, an active ratchet 46, and two lock washers 50. A driven ratchet 51, a first magnet group 56, and a second magnet group 60.

心軸20具有一第一端21與一第二端22,心軸20之第一端21具有一第一外肩部23,心軸20之第二端22具有一第二外肩部25,此外,心軸20之第一端21與心軸20之第二端22分別鎖設有一第一端蓋26與一第二端蓋27。The mandrel 20 has a first end 21 and a second end 22. The first end 21 of the mandrel 20 has a first outer shoulder 23, and the second end 22 of the mandrel 20 has a second outer shoulder 25. In addition, the first end 21 of the mandrel 20 and the second end 22 of the mandrel 20 are respectively locked with a first end cover 26 and a second end cover 27.

花鼓殼28套設於心軸20,而且,如第2及3圖所示,花鼓殼28之內周面由心軸之第一端21往心軸20之第二端22的方向依序具有一第一軸承槽29、一內肩部30、一內環槽31、多數呈間隔排列之嵌槽32、一第二軸承槽33,以及一內定位槽34。花鼓殼28藉由一第一軸承35與一第二軸承36而能相對心軸20轉動,第一軸承35設於花鼓殼28之第一軸承槽29內且抵靠於心軸20之第一外肩部23,第二軸承36設於花鼓殼28之第二軸承槽33內。The hub 28 is sleeved on the mandrel 20, and as shown in Figures 2 and 3, the inner peripheral surface of the hub 28 has a sequence from the first end 21 of the mandrel to the second end 22 of the mandrel 20. A first bearing groove 29, an inner shoulder portion 30, an inner ring groove 31, a plurality of spaced-apart slots 32, a second bearing groove 33, and an inner positioning groove 34. The hub 28 is rotatable relative to the mandrel 20 by a first bearing 35 and a second bearing 36. The first bearing 35 is disposed in the first bearing groove 29 of the hub 28 and abuts against the spindle 20 The outer shoulder portion 23 and the second bearing 36 are disposed in the second bearing groove 33 of the hub shell 28.

在此需要補充說明的是,在本發明第1實施例中,如第2及3圖所示,嵌槽32先設置一齒環37之內環面,再將齒環37以螺合方式鎖設於花鼓殼28之內周面,如此可以降低加工難度及增加結構穩定度。另外如第5圖所示,嵌槽32也可以用一體成形的方式設於花鼓殼28之內周面。It should be noted that, in the first embodiment of the present invention, as shown in FIGS. 2 and 3, the fitting groove 32 is first provided with an inner ring surface of the toothed ring 37, and the ring gear 37 is locked by screwing. It is disposed on the inner circumference of the hub 28, which can reduce the processing difficulty and increase the structural stability. Further, as shown in Fig. 5, the fitting groove 32 may be provided integrally with the inner circumferential surface of the hub member 28.

棘輪座38套設於心軸20之第二端22且具有一第三軸承槽39,棘輪座38藉由一第三軸承40而能相對心軸20轉動,第三軸承40抵靠於心軸20之第二外肩部25且設於棘輪座38之第三軸承槽39內,再如第3圖所示,棘輪座38之一端藉由第二軸承36接設於花鼓殼28之一端,使得棘輪座38能相對花鼓殼28轉動。此外,棘輪座38之內端面具有一內螺紋部41。The ratchet seat 38 is sleeved on the second end 22 of the mandrel 20 and has a third bearing groove 39. The ratchet seat 38 is rotatable relative to the mandrel 20 by a third bearing 40, and the third bearing 40 abuts against the mandrel. The second outer shoulder 25 of the 20 is disposed in the third bearing groove 39 of the ratchet seat 38. As shown in FIG. 3, one end of the ratchet seat 38 is connected to one end of the hub 28 by a second bearing 36. The ratchet seat 38 is enabled to rotate relative to the hub 28 . Further, the inner end surface of the ratchet seat 38 has an internal thread portion 41.

防水墊圈43套設於棘輪座38之外周面而能跟著棘輪座38一起旋轉。防水墊圈43之外環面具有一外定位部44,防水墊圈43藉由外定位部44嵌設於花鼓殼28之內定位槽34來達到密封效果,用以避免外界的雨水進入花鼓殼28的內部,其中在外定位部44之表面與內定位槽34之槽壁之間可以相互接觸或互不接觸。The waterproof gasket 43 is sleeved on the outer peripheral surface of the ratchet seat 38 to be rotatable together with the ratchet seat 38. The outer ring of the waterproof gasket 43 has an outer positioning portion 44. The waterproof gasket 43 is embedded in the positioning groove 34 of the hub 28 by the outer positioning portion 44 to achieve a sealing effect, so as to prevent external rainwater from entering the hub 28 of the hub. The interior may be in contact with or not in contact with each other between the surface of the outer positioning portion 44 and the groove wall of the inner positioning groove 34.

如第2及3圖所示,主動棘輪46套設於心軸20且具有一環部47,環部47之內端面設有一第一棘齒部48,環部47之外端面往外延伸出一外螺紋部49,主動棘輪46藉由外螺紋部49螺設於棘輪座38之內螺紋部41,使得主動棘輪46能與棘輪座38同步轉動。As shown in the second and third figures, the active ratchet 46 is sleeved on the mandrel 20 and has a ring portion 47. The inner end surface of the ring portion 47 is provided with a first ratchet portion 48, and the outer end surface of the ring portion 47 extends outwardly. The threaded portion 49, the active ratchet 46 is screwed to the internal thread portion 41 of the ratchet seat 38 by the external thread portion 49, so that the active ratchet 46 can rotate in synchronization with the ratchet seat 38.

鎖緊墊圈50套設於主動棘輪46之外螺紋部49且抵接於棘輪座38之內端面與主動棘輪46之環部47的外端面之間,用以增加主動棘輪46之外螺紋部49與棘輪座38之內螺紋部41之間的緊密度而提升兩者之間的扭力穩定性。The lock washer 50 is sleeved on the outer threaded portion 49 of the active ratchet 46 and abuts between the inner end surface of the ratchet seat 38 and the outer end surface of the ring portion 47 of the active ratchet 46 for increasing the outer thread portion 49 of the active ratchet 46. The tightness between the threaded portion 41 of the ratchet seat 38 increases the torsional stability between the two.

如第2及3圖所示,從動棘輪51具有一套孔52且藉由套孔52套設於心軸20,從動棘輪51之外周面具有多數呈間隔排列之嵌部53,從動棘輪51藉由嵌部53卡接於花鼓殼28之嵌槽32內,使得從動棘輪51可以沿著心軸20之軸向移動。此外,從動棘輪51朝主動棘輪46之一端面具有一第二棘齒部54,從動棘輪51藉由第二棘齒部54嚙接於主動棘輪46之第一棘齒部48。As shown in the second and third figures, the driven ratchet 51 has a set of holes 52 and is sleeved on the mandrel 20 by the sleeve hole 52. The outer peripheral surface of the driven ratchet 51 has a plurality of interposed portions 53 arranged at intervals, driven The ratchet 51 is engaged in the recess 32 of the hub 28 by the fitting portion 53, so that the driven ratchet 51 can move in the axial direction of the spindle 20. Further, the driven ratchet 51 has a second ratchet portion 54 toward one end surface of the driving ratchet 46, and the driven ratchet 51 is engaged with the first ratchet portion 48 of the driving ratchet 46 by the second ratchet portion 54.

在此需要補充說明的是,本發明之從動棘輪51於製造過程中可以在內周面成形出至少一個或多數個與套孔52徑向連通之省料槽55,這些省料槽55主要是用來節省材料成本,並不會對結構強度造成影響。It should be additionally noted that the driven ratchet 51 of the present invention can form at least one or a plurality of the grooving grooves 55 radially communicating with the sleeve holes 52 in the inner peripheral surface during the manufacturing process. It is used to save material costs and does not affect the structural strength.

第一磁鐵組56具有一第一磁鐵固定座57、一第一磁鐵58,以及一擋片59,第一磁鐵固定座57套設於心軸20且抵靠於花鼓殼28之內肩部30,第一磁鐵58設於第一磁鐵固定座57朝從動棘輪51之一端,擋片59嵌設於花鼓殼28之內環槽31,用以避免第一磁鐵58脫落。The first magnet group 56 has a first magnet holder 57, a first magnet 58, and a blocking piece 59. The first magnet holder 57 is sleeved on the mandrel 20 and abuts against the inner shoulder 30 of the hub 28 The first magnet 58 is disposed at one end of the first magnet fixing base 57 toward the driven ratchet 51, and the blocking piece 59 is embedded in the inner ring groove 31 of the hub shell 28 to prevent the first magnet 58 from falling off.

第二磁鐵組60具有一第二磁鐵固定座61與一第二磁鐵62,第二磁鐵固定座61套設於心軸20且第二磁鐵固定座61之一端固定於從動棘輪51之套孔52內,第二磁鐵62設於第二磁鐵固定座61之另一端且面對於第一磁鐵58,第二磁鐵62具有與第一磁鐵58相同的極性,所以兩者之間可以產生相互排斥的力量。The second magnet group 60 has a second magnet holder 61 and a second magnet 62. The second magnet holder 61 is sleeved on the spindle 20 and one end of the second magnet holder 61 is fixed to the sleeve of the driven ratchet 51. 52, the second magnet 62 is disposed at the other end of the second magnet holder 61 and faces the first magnet 58, and the second magnet 62 has the same polarity as the first magnet 58, so that the two can be mutually exclusive. power.

在此需要補充說明的是,假如要調整第一、第二磁鐵58、62之間的磁力強度,主要的方式可以透過改變第一磁鐵58與第二磁鐵62之間的距離,藉以達到調整磁力強度的效果。在實際操作時,當棘輪座38開始正轉時,如第3圖所示,藉由棘輪座38與主動棘輪46之間的螺合關係,主動棘輪46會開始跟著棘輪座38正轉,在主動棘輪46開始正轉的過程中,由於主動棘輪46之第一棘齒部48與從動棘輪51之第二棘齒部54之間保持良好的嚙接關係,所以從動棘輪51也會開始跟著主動棘輪46正轉,當從動棘輪51開始正轉時,藉由從動棘輪51之嵌部53與花鼓殼28之嵌槽32之間的嵌接關係,使花鼓殼28會被從動棘輪51所帶動而一起轉動。It should be additionally noted here that if the magnetic strength between the first and second magnets 58, 62 is to be adjusted, the main way can be to change the distance between the first magnet 58 and the second magnet 62, thereby achieving the adjustment of the magnetic force. The effect of strength. In actual operation, when the ratchet seat 38 starts to rotate forward, as shown in FIG. 3, by the screwing relationship between the ratchet seat 38 and the active ratchet 46, the active ratchet 46 will start to rotate forward with the ratchet seat 38. During the forward rotation of the active ratchet 46, since the first ratchet portion 48 of the active ratchet 46 maintains a good engagement relationship with the second ratchet portion 54 of the driven ratchet 51, the driven ratchet 51 also begins. Following the forward rotation of the active ratchet 46, when the driven ratchet 51 starts to rotate forward, the hub member 28 is driven by the engagement relationship between the fitting portion 53 of the driven ratchet 51 and the recess 32 of the hub member 28. The ratchet 51 is driven to rotate together.

當棘輪座38開始反轉時,如第4圖所示,藉由棘輪座38與主動棘輪46之間的螺合關係,主動棘輪46會開始跟著棘輪座38反轉,在主動棘輪46開始反轉的過程中,主動棘輪46之第一棘齒部48會推動從動棘輪51之第二棘齒部54,使從動棘輪51連帶第二磁鐵組60沿著心軸20之軸向朝遠離主動棘輪46的方向移動,此時藉由第一、第二磁鐵58、62之間的相斥力,從動棘輪51會被推回至與主動棘輪46嚙接在一起,在如此反覆的嚙接與分離之下,即可讓棘輪座38產生相對於花鼓殼28的空轉。When the ratchet seat 38 begins to reverse, as shown in FIG. 4, by the screwing relationship between the ratchet seat 38 and the active ratchet 46, the active ratchet 46 will begin to reverse with the ratchet seat 38, and the active ratchet 46 begins to reverse. During the turning process, the first ratchet portion 48 of the active ratchet 46 pushes the second ratchet portion 54 of the driven ratchet 51 such that the driven ratchet 51 is coupled with the second magnet group 60 along the axial direction of the mandrel 20 The direction of the active ratchet 46 is moved. At this time, by the repulsive force between the first and second magnets 58, 62, the driven ratchet 51 is pushed back to be engaged with the active ratchet 46, so as to be repeatedly engaged. With the separation, the ratchet seat 38 can be made to idle relative to the hub 28 of the hub.

綜上所陳,本發明之自行車花鼓10利用第一、第二磁鐵58、62之間的相斥力對從動棘輪51提供穩定的離合效果,相較於習用技術而言,第一、第二磁鐵58、62可以有效解決彈性件在彈性疲乏方面的問題,因此能夠達到延長使用壽命的效果。In summary, the bicycle hub 10 of the present invention provides a stable clutching effect on the driven ratchet 51 by the repulsive force between the first and second magnets 58, 62, which is the first and second compared to the conventional technology. The magnets 58, 62 can effectively solve the problem of elastic fatigue in the elastic member, so that the effect of prolonging the service life can be achieved.

10‧‧‧自行車花鼓10‧‧‧Bicycle hub

20‧‧‧心軸20‧‧‧ mandrel

21‧‧‧第一端21‧‧‧ first end

22‧‧‧第二端22‧‧‧ second end

23‧‧‧第一外肩部23‧‧‧First outer shoulder

25‧‧‧第二外肩部25‧‧‧Second outer shoulder

26‧‧‧第一端蓋26‧‧‧First end cap

27‧‧‧第二端蓋27‧‧‧Second end cap

28‧‧‧花鼓殼28‧‧‧Flower shell

29‧‧‧第一軸承槽29‧‧‧First bearing groove

30‧‧‧內肩部30‧‧‧ inner shoulder

31‧‧‧內環槽31‧‧‧ Inner ring groove

32‧‧‧嵌槽32‧‧‧Inlay

33‧‧‧第二軸承槽33‧‧‧Second bearing groove

34‧‧‧內定位槽34‧‧‧ positioning slot

35‧‧‧第一軸承35‧‧‧First bearing

36‧‧‧第二軸承36‧‧‧Second bearing

37‧‧‧齒環37‧‧‧ tooth ring

38‧‧‧棘輪座38‧‧‧ ratchet seat

39‧‧‧第三軸承槽39‧‧‧ Third bearing groove

40‧‧‧第三軸承40‧‧‧ Third bearing

41‧‧‧內螺紋部41‧‧‧Threaded Department

43‧‧‧防水墊圈43‧‧‧Waterproof gasket

44‧‧‧外定位部44‧‧‧External Positioning Department

46‧‧‧主動棘輪46‧‧‧Active ratchet

47‧‧‧環部47‧‧‧ Ring Department

48‧‧‧第一棘齒部48‧‧‧First ratchet

49‧‧‧外螺紋部49‧‧‧External thread

50‧‧‧鎖緊墊圈50‧‧‧Lock washer

51‧‧‧從動棘輪51‧‧‧driven ratchet

52‧‧‧套孔52‧‧‧ Set of holes

53‧‧‧嵌部53‧‧‧Inlay

54‧‧‧第二棘齒部54‧‧‧Second ratchet

55‧‧‧省料槽55‧‧‧ Provincial trough

56‧‧‧第一磁鐵組56‧‧‧First magnet group

57‧‧‧第一磁鐵固定座57‧‧‧First magnet holder

58‧‧‧第一磁鐵58‧‧‧First magnet

59‧‧‧擋片59‧‧‧Block

60‧‧‧第二磁鐵組60‧‧‧Second magnet group

61‧‧‧第二磁鐵固定座61‧‧‧Second magnet holder

62‧‧‧第二磁鐵62‧‧‧second magnet

第1圖為本發明第1實施例之自行車花鼓的立體圖。 第2圖為本發明第1實施例之自行車花鼓的立體分解圖。 第3圖為本發明第1實施例之自行車花鼓的剖視圖,主要顯示主動棘輪與從動棘輪相互嚙接之狀態。 第4圖類同於第3圖,主要顯示主動棘輪與從動棘輪相互分離之狀態。 第5圖為本發明第2實施例之自行車花鼓的剖視圖。Fig. 1 is a perspective view of a bicycle hub according to a first embodiment of the present invention. Fig. 2 is an exploded perspective view showing the bicycle hub of the first embodiment of the present invention. Fig. 3 is a cross-sectional view showing the bicycle hub of the first embodiment of the present invention, mainly showing a state in which the active ratchet and the driven ratchet are engaged with each other. The fourth picture is similar to the third picture, and mainly shows the state in which the active ratchet and the driven ratchet are separated from each other. Fig. 5 is a cross-sectional view showing a bicycle hub according to a second embodiment of the present invention.

10‧‧‧自行車花鼓 10‧‧‧Bicycle hub

20‧‧‧心軸 20‧‧‧ mandrel

21‧‧‧第一端 21‧‧‧ first end

22‧‧‧第二端 22‧‧‧ second end

23‧‧‧第一外肩部 23‧‧‧First outer shoulder

25‧‧‧第二外肩部 25‧‧‧Second outer shoulder

26‧‧‧第一端蓋 26‧‧‧First end cap

27‧‧‧第二端蓋 27‧‧‧Second end cap

28‧‧‧花鼓殼 28‧‧‧Flower shell

32‧‧‧嵌槽 32‧‧‧Inlay

33‧‧‧第二軸承槽 33‧‧‧Second bearing groove

34‧‧‧內定位槽 34‧‧‧ positioning slot

35‧‧‧第一軸承 35‧‧‧First bearing

36‧‧‧第二軸承 36‧‧‧Second bearing

37‧‧‧齒環 37‧‧‧ tooth ring

38‧‧‧棘輪座 38‧‧‧ ratchet seat

40‧‧‧第三軸承 40‧‧‧ Third bearing

43‧‧‧防水墊圈 43‧‧‧Waterproof gasket

46‧‧‧主動棘輪 46‧‧‧Active ratchet

47‧‧‧環部 47‧‧‧ Ring Department

48‧‧‧第一棘齒部 48‧‧‧First ratchet

49‧‧‧外螺紋部 49‧‧‧External thread

50‧‧‧鎖緊墊圈 50‧‧‧Lock washer

51‧‧‧從動棘輪 51‧‧‧driven ratchet

52‧‧‧套孔 52‧‧‧ Set of holes

53‧‧‧嵌部 53‧‧‧Inlay

54‧‧‧第二棘齒部 54‧‧‧Second ratchet

55‧‧‧省料槽 55‧‧‧ Provincial trough

56‧‧‧第一磁鐵組 56‧‧‧First magnet group

57‧‧‧第一磁鐵固定座 57‧‧‧First magnet holder

58‧‧‧第一磁鐵 58‧‧‧First magnet

59‧‧‧擋片 59‧‧‧Block

60‧‧‧第二磁鐵組 60‧‧‧Second magnet group

61‧‧‧第二磁鐵固定座 61‧‧‧Second magnet holder

62‧‧‧第二磁鐵 62‧‧‧second magnet

Claims (10)

一種自行車花鼓,包含有:一心軸;一花鼓殼,藉由一第一軸承可轉動地套設於該心軸;一棘輪座,藉由一第二軸承可轉動地接設於該花鼓殼之一端且藉由一第三軸承可轉動地套設於該心軸;一主動棘輪,可轉動地套設於該心軸且連接於該棘輪座之一端,該主動棘輪具有一第一棘齒部;一從動棘輪,可轉動地套設於該心軸且可軸向移動地設於該花鼓殼內,該從動棘輪具有一第二棘齒部,該第二棘齒部可分離地嚙接於該主動棘輪之第一棘齒部;一第一磁鐵組,具有一第一磁鐵固定座與一第一磁鐵,該第一磁鐵固定座套設於該心軸且固定於該花鼓殼內,該第一磁鐵設於該第一磁鐵固定座朝該從動棘輪之一端面;以及一第二磁鐵組,具有一第二磁鐵固定座與一第二磁鐵,該第二磁鐵固定座套設於該心軸且固定於該從動棘輪,該第二磁鐵設於該第二磁鐵固定座且面對於該第一磁鐵,該第二磁鐵具有與該第一磁鐵相同的極性。 A bicycle hub comprising: a mandrel; a flower drum shell rotatably sleeved on the mandrel by a first bearing; a ratchet seat rotatably coupled to the hub of the hub by a second bearing One end is rotatably sleeved on the mandrel by a third bearing; an active ratchet is rotatably sleeved on the mandrel and connected to one end of the ratchet seat, the active ratchet has a first ratchet a driven ratchet wheel rotatably sleeved on the mandrel and axially movably disposed in the hub of the hub, the driven ratchet having a second ratchet portion detachably engaged a first ratchet portion connected to the active ratchet; a first magnet group having a first magnet holder and a first magnet, the first magnet holder being sleeved on the spindle and fixed in the hub The first magnet is disposed on an end surface of the first magnet fixing seat toward the driven ratchet; and a second magnet group has a second magnet fixing seat and a second magnet, and the second magnet fixing seat is sleeved The mandrel is fixed to the driven ratchet, and the second magnet is disposed on the second magnet Base and facing to the first magnet, the second magnet has the same polarity as the first magnet. 如請求項1所述之自行車花鼓,其中該花鼓殼之內周面固設有一齒環,該齒環的內環面具有至少一嵌槽,該從動棘輪之外周面具有至少一嵌部,該嵌部卡接於該花鼓殼之嵌槽內。 The bicycle hub according to claim 1, wherein the inner peripheral surface of the hub is fixed with a ring gear, the inner ring surface of the ring has at least one recess, and the outer peripheral surface of the driven ratchet has at least one fitting portion. The insert is snapped into the recess of the hub of the hub. 如請求項2所述之自行車花鼓,其中該齒環之內環面以一體成形的方式設有該嵌槽。 The bicycle hub according to claim 2, wherein the inner ring surface of the ring gear is integrally formed. 如請求項1所述之自行車花鼓,其中該花鼓殼之內周面具有至少一嵌槽,該從動棘輪之外周面具有至少一嵌部,該嵌部卡接於該花鼓殼之嵌槽內。 The bicycle hub according to claim 1, wherein the inner peripheral surface of the hub has at least one recess, and the outer peripheral surface of the driven ratchet has at least one fitting portion that is engaged in the recess of the hub of the hub . 如請求項4所述之自行車花鼓,其中該花鼓殼之內周面以一體成形的方式設有該嵌槽。 The bicycle hub according to claim 4, wherein the inner peripheral surface of the hub is integrally formed in such a manner. 如請求項1所述之自行車花鼓,其中該花鼓殼之內周面具有一內定位槽,該棘輪座之外周面套設有一防水墊圈,該防水墊圈之外環面具有一外定位部,該外定位部嵌設於該花鼓殼之內定位槽。 The bicycle hub according to claim 1, wherein the inner peripheral mask of the hub has an inner positioning groove, and the outer peripheral surface of the ratchet seat is provided with a waterproof gasket, and the outer ring of the waterproof gasket has an outer positioning portion. The outer positioning portion is embedded in the positioning groove in the hub of the hub. 如請求項1所述之自行車花鼓,其中該花鼓殼之內周面具有一內環槽,該第一磁鐵組更具有一擋片,該擋片嵌設於該花鼓殼之內環槽且鄰設於該第一磁鐵。 The bicycle hub according to claim 1, wherein the inner peripheral mask of the hub has an inner ring groove, and the first magnet group further has a baffle embedded in the inner ring groove of the hub shell and adjacent to Provided in the first magnet. 如請求項1所述之自行車花鼓,其中該棘輪座之內端面具有一內螺紋部,該主動棘輪具有一環部與一外螺紋部,該環部之內端面設有該第一棘齒部,該外螺紋部自該環部之外端面往外延伸且螺設於該棘輪座之內螺紋部。 The bicycle hub according to claim 1, wherein the inner end surface of the ratchet seat has an internal thread portion, the active ratchet has a ring portion and an external thread portion, and the inner end surface of the ring portion is provided with the first ratchet portion. The external thread portion extends outward from the outer end surface of the ring portion and is screwed to the internal thread portion of the ratchet seat. 如請求項1所述之自行車花鼓,更包含有一鎖緊墊圈,該棘輪座之內端面具有一內螺紋部,該主動棘輪具有一環部與一外螺紋部,該環部之內端面設有該第一棘齒部,該外螺紋部自該環部之外端面往外延伸且螺設於該棘輪座之內螺紋部,該鎖緊墊 圈套設於該主動棘輪之外螺紋部且抵接於該棘輪座之內端面與該主動棘輪之環部的外端面之間。 The bicycle hub according to claim 1, further comprising a lock washer, the inner end surface of the ratchet seat has an internal thread portion, and the active ratchet has a ring portion and an external thread portion, wherein the inner end surface of the ring portion is provided with a first ratchet portion extending outward from an outer end surface of the ring portion and screwed to an inner thread portion of the ratchet seat, the locking pad The snare is disposed on the outer threaded portion of the active ratchet and abuts between the inner end surface of the ratchet seat and the outer end surface of the annular portion of the active ratchet. 如請求項1所述之自行車花鼓,其中該從動棘輪具有一套設於該心軸之套孔與至少一徑向連通該套孔之省料槽,該第二磁鐵固定座之一端固定於該從動棘輪之套孔內。 The bicycle hub according to claim 1, wherein the driven ratchet has a set of holes provided in the mandrel and at least one slot that radially communicates the sleeve, and one end of the second magnet holder is fixed to The driven ratchet is inside the sleeve hole.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI647128B (en) * 2018-02-06 2019-01-11 德安百世實業股份有限公司 Hub assembly with a magnetic control slutch
CN110181997A (en) * 2018-02-23 2019-08-30 德安百世实业股份有限公司 Ratchet face disengages the flower hub of effect when tool idle running
TWI712516B (en) * 2019-09-17 2020-12-11 天心工業股份有限公司 Bicycle hub structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922018A (en) * 1974-12-18 1975-11-25 Thurston Inc Separable bearing axle assembly and supported hub of a bicycle wheel or the like
US4763957A (en) * 1986-11-03 1988-08-16 Wilderness Bicycle, Inc. Bicycle hub constructions and lubrication thereof
US6355996B1 (en) * 1998-05-11 2002-03-12 Rabbit Tool U.S.A., Inc. Modular motorized electric wheel hub assembly for bicycles and the like
US7938241B1 (en) * 2008-04-01 2011-05-10 Chosen Co., Ltd. Bicycle hub that will not produce noise
US8312976B2 (en) * 2008-04-03 2012-11-20 Bear Corporation High efficiency bicycle hub
US8449157B2 (en) * 2011-08-16 2013-05-28 Trek Bicycle Corp. Lighted bicycle wheel hub assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922018A (en) * 1974-12-18 1975-11-25 Thurston Inc Separable bearing axle assembly and supported hub of a bicycle wheel or the like
US4763957A (en) * 1986-11-03 1988-08-16 Wilderness Bicycle, Inc. Bicycle hub constructions and lubrication thereof
US6355996B1 (en) * 1998-05-11 2002-03-12 Rabbit Tool U.S.A., Inc. Modular motorized electric wheel hub assembly for bicycles and the like
US7938241B1 (en) * 2008-04-01 2011-05-10 Chosen Co., Ltd. Bicycle hub that will not produce noise
US8312976B2 (en) * 2008-04-03 2012-11-20 Bear Corporation High efficiency bicycle hub
US8449157B2 (en) * 2011-08-16 2013-05-28 Trek Bicycle Corp. Lighted bicycle wheel hub assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI647128B (en) * 2018-02-06 2019-01-11 德安百世實業股份有限公司 Hub assembly with a magnetic control slutch
CN110181997A (en) * 2018-02-23 2019-08-30 德安百世实业股份有限公司 Ratchet face disengages the flower hub of effect when tool idle running
TWI712516B (en) * 2019-09-17 2020-12-11 天心工業股份有限公司 Bicycle hub structure

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