200824229 九、發明說明： 【發明所屬之技術領域】 本發明係關於-種油封結構，特別關於—種使用其 磁性油封結構之馬達。 【先前技術】 為因應馬達高轉速的順暢與穩定，f知技術係以一 轴承來支撐轉軸。如第丨圖所示，—種f用馬達i係包 Γ二V1、一轉軸12、一軸承13以及-油封14。該 轴t 13係為一含油軸承，該油封Μ可為-扣環或一金 屬％。該油封14係設置於該抽？ ^ 鮭19 ^ 苹由承13上方且環設於該轉 軸12，而將濁滑油封存於該轴承 。 於運轉時，該軸承13利用濁田"馬達1處 #1* 12 ν , /由本身之黏滯性提供該 锝种U，閏滑而仵以順暢運轉。 然而’由於該油封14係 軸12，盔氺+人以非接觸方式環設於該轉 釉12恶法元全岔閉儲存潤滑油的办 成潤滑油將隨著該馬達〗 ：、;1:此谷易造 茂漏，不僅產生噪音且該轉軸二’：逮運轉下而慢慢 將產生鎖死的現象，使哕 口缺乏濁滑的情況下 低。 ^達1的可靠度與使用壽命降 因此，如何提供一種馬、 潤滑油洩漏，並有效將潤说/、兹性，由封結構以降低 油的消耗，進而提升馬達：可f存於軸承中，降低潤滑 重要課題之一。 、"罪度與使用壽命，已成為200824229 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to an oil seal structure, and more particularly to a motor using the magnetic oil seal structure. [Prior Art] In order to cope with the smoothness and stability of the high motor speed, the technology is supported by a bearing. As shown in the figure, the motor f is a motor, which is a second V1, a rotary shaft 12, a bearing 13, and an oil seal 14. The shaft t 13 is an oil-impregnated bearing, and the oil seal can be a - buckle or a metal %. The oil seal 14 is set in the pumping? ^ 鲑 19 ^ The upper part of the bearing 13 is disposed on the rotating shaft 12, and the lubricating oil is sealed in the bearing. During operation, the bearing 13 utilizes the turbidity "motor 1 at #1* 12 ν , / which provides the UU by its own viscosity, which is smooth and smooth to operate smoothly. However, because the oil seal 14 is a shaft 12, the helmet + person is placed in a non-contact manner in the glaze 12 恶 元 岔 储存 储存 储存 储存 储存 储存 储存 储存 储存 储存 储存 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油 润滑油This valley is easy to make a leak, not only produces noise, but also the shaft 2': catching the operation and slowly causing the phenomenon of locking, so that the mouth is lacking in the case of lack of turbidity. ^1 reliability and service life drop, therefore, how to provide a horse, lubricant leakage, and effectively improve the lubrication, by the sealing structure to reduce oil consumption, and thus improve the motor: can be stored in the bearing One of the important topics of reducing lubrication. , "crime and service life, has become
200824229 【發明内容】 、有鐘於上述賴’本發明之目的為提供—種馬達及 其磁性油封結構，藉由磁性流體以及磁性元件與該導磁 元件之間的磁性作用所形成的磁性油封結構，有效將潤 滑油保存於軸承中，以提升馬達的可#度與使用壽命。 有鑑於上述課題，本發明之目的為提供—種馬達及 其磁性油封結構，該磁性油封結構係將磁性元件設置於 轉軸之-端部，兼具定位功能而使轉軸穩 順暢，避免馬達產生振動及噪音。 運轉 社播為達上述目的’依據本發明之-種磁性油封 :=套5-轉軸並封閉一轴管部之一端部，該磁性油 封、:構包括-磁性流體、至少—磁性元件以及至少一導 :::。磁性流體係存在於軸管部與轉軸之間，磁性元 ::、鄰設於轉軸之-端部，導磁元件係鄰設於軸管部之 立而部’磁性元件盘導磁分丛 ^ ^ 兀件形成—磁性迴路，藉由磁性 机體以及磁性元件與導磁元件之間的 性油封結構。 F用办成磁 係套述目的，依據本發明之另-種磁性油封結構 構勺:―由並封閉一轴管部之—端部，該磁性油封处 =括-磁性流體以及至少一磁‘ :於轴管部與轉轴之間，磁性元件係鄰設於軸管 磁性疋件形成-磁性迴路，藉 件之間的魏仙，形成鄕油封結構/in 為達上述目的’依據本㈣之-㈣料包括-軸 200824229 管部、:轉子'一軸承、一定子以及一磁性油封結構。 該轉子係具有一轉軸，軸承係套合轉軸並容置於軸管部 中，定子係肖轉子對應設置並套置於軸管#，磁性油封 結構係套合轉軸並封閉轴管部之—端部，磁性油封結構 包括至少一磁性流體、至少一磁性元件及至少一導磁元 件，磁性流體係存在於軸管部與轉軸之間，磁性元件鄰 設於轉軸之一端部，導磁元件鄰設於軸管部之端部，磁 性元件與導磁元件形成—磁性迴路，藉由磁性流體以及 磁性元件與該導磁元件之間的磁性作用，形成磁性 钴媒。 』 &為達上述目的，依據本發明之另一種馬達係包括一 軸管部、厂轉子、一轴承、一定子以及一磁性油封結構。 _子係具有一轉轴，軸承係套合轉轴並容置於轴管 部，定子係與轉子對應設置並套置於軸管部，磁性油封 、=構絲合轉軸並封閉軸管部之—端部，磁性油封結構 ::::性流體及至少一磁性元件，磁性流體係存在於 磁：：轉軸之間’磁性元件係鄰設於軸管部之端部， =形成—磁性迴路’藉由磁性流體與磁性元件之 間的磁性作用，形成磁性油封結構。 2所述’因依據本發明之—種馬達及其磁性油封 籌：由磁性元件結合導磁元件形成一磁 件形成磁性迴路，使磁性流體以及磁性元件 的磁性作用，形成磁性油封結構。相較 支術，本發明能夠有效將潤滑油保存於轴承中， 200824229 降低潤滑油之消耗。此外，若磁性元件設置於轉抽之一 端部’其能夠兼具定位功能，而使轉軸穩m並運轉 順暢，避免該馬達產生振動及減少蜂音，進而提升該馬 達的可靠度與使用壽命。 【實施方式】 以下將參照相關圖式，說明依據本發明較佳實施例 之一，馬達及其磁性油封結構，其中相同的元件將以相 同的符號加以說明。 第一較佳實施例 請參閱第2圖所示，本發明第一較佳實施例之一種 馬達2係包括—軸管部24、—轉子以、—軸承& 一 定子21以及—磁性油封結構％。該磁性油封結構26 包括至少-磁性元件261、至少—導磁元件⑽及一磁 性流體加。轉子22係具有一轉轴221及一磁鐵222; 定子21係與轉子22對應設置，詳而言之，定子21係 與磁鐵222對應設置，並位於磁鐵222與轉軸221之間 且套置軸管部24 ;軸承23係套合於轉軸221，並容置 於軸管部24内。磁性元件261係鄰設於轉軸221之一 Γ磁：可：一磁鐵、—磁石或—電磁鐵。於本實施例 7L + 261係為一磁壓磁鐵。導磁元件係鄰 設於f請軸管部24之開口，且其可為-導磁輛鐵。 轉軸221之間，且伟内C存在於軸管部24與 、’、内3鐵、鈷、鎳或其合金等材質， 200824229 潤滑油提供軸承23與轉軸221之間所需的 磁性油封結構26用以避免潤滑油31茂漏的方月。 下所述.當馬達2處於未運轉狀態時，由於導:: ==請分別鄰設於轉軸221之兩端： 221係八有v磁性，故磁性元件％〗係可經由 元件262形成一磁性料ci，磁性迴路c 轴係呈軸向分佈，且磁性元件26!提供轉轴如 磁壓力。當馬達2處於運轉狀態時，磁性 ^ 二列,項作用··第-’藉由磁性油封結構2 置，潤滑油㈣勾分佈於軸承23與轉轴;構= 提供濶滑作用；第二，在導磁元件加與轉軸^之 藉由磁性作用’吸附磁性流體263而形成==，間 使'間，月油31隨著馬達長時間運轉亦保存於轴承23中， 故能夠避免潤滑油31的消耗；第三，磁性 ， 於^軸22i之底端，提供一磁屡力使轉 ^ ?=’以上三項作用對於提高馬達之可靠;:使： 哥命具有顯著之效果。 又」吏用 200824229 成’該磁性元件係為磁鐵、磁石或電磁鐵，且鄰設於軸 笞邓24之端部並環設於轉軸221。於本實施例中，該 磁11元件3 61及362係沿著軸向相互排斥安裝以形成一 磁性迴路C2，使磁力線往該磁性元件361及362中間 匯集使轉軸221與磁性油封結構36之間具有較大的 及附力品注思的是，磁性油封結構3 ό可依其磁性元 牛 及3 62之配置，與轉軸221形成之磁性迴路C2 呈軸向，佈或徑向分佈。t馬達3運轉時，磁性流體 363隨著轉軸221轉動而逐漸往該磁性元件及gw 之方向移動。此時，藉由磁性流體363與緊緊吸附磁性 =363之磁性迴路C2的分佈，使得磁性流體363能 夠阻止潤滑油3 1沿著轉轴2 9鱗a al 得釉221繼鉍向外而洩漏，使潤 /月油3 1隨著馬達長時間運糖 221之間。 ]連轉亦可保存於軸承23與轉軸 弟三200824229 SUMMARY OF THE INVENTION The present invention aims to provide a motor and a magnetic oil seal structure thereof, and a magnetic oil seal structure formed by a magnetic fluid and a magnetic interaction between the magnetic element and the magnetic conductive element. Effectively store the lubricating oil in the bearing to improve the motor's energy and service life. In view of the above problems, an object of the present invention is to provide a motor and a magnetic oil seal structure thereof, wherein the magnetic oil element is disposed at an end portion of a rotating shaft, and has a positioning function to make the rotating shaft stable and smooth, and to avoid vibration of the motor. And noise. The magnetic oil seal according to the present invention is: a sleeve 5 - a shaft and one end portion of a shaft tube portion, the magnetic oil seal, the magnetic fluid, at least - a magnetic member, and at least one guide:::. The magnetic flow system exists between the shaft tube portion and the rotating shaft, and the magnetic element: is adjacent to the end portion of the rotating shaft, and the magnetic conductive element is adjacent to the vertical portion of the shaft tube portion. ^ Element Formation - Magnetic circuit, by magnetic body and the oil seal structure between the magnetic element and the magnetically conductive element. For the purpose of the magnetic system, the magnetic oil seal structure according to the present invention is: - the end portion of the shaft portion is closed and closed, the magnetic oil seal = magnetic fluid and at least one magnetic Between the shaft tube portion and the rotating shaft, the magnetic element is disposed adjacent to the magnetic tube of the shaft tube to form a magnetic circuit, and the Weixian between the borrowings forms a sputum oil seal structure/in for the above purpose 'According to the above (4) - (4) Materials include - shaft 200824229 pipe, rotor: a bearing, stator and a magnetic oil seal structure. The rotor system has a rotating shaft, and the bearing sleeve is sleeved and accommodated in the shaft tube portion, and the stator system is arranged correspondingly and sleeved on the shaft tube #, and the magnetic oil seal structure is sleeved on the rotating shaft and closes the end of the shaft tube portion. The magnetic oil seal structure comprises at least one magnetic fluid, at least one magnetic element and at least one magnetic conductive element. The magnetic flow system is present between the shaft tube portion and the rotating shaft, and the magnetic element is adjacent to one end of the rotating shaft, and the magnetic conductive element is adjacent At the end of the shaft tube portion, the magnetic element and the magnetic conductive element form a magnetic circuit, and the magnetic cobalt medium is formed by the magnetic fluid and the magnetic interaction between the magnetic element and the magnetic conductive element. In order to achieve the above object, another motor according to the present invention includes a shaft tube portion, a factory rotor, a bearing, a stator, and a magnetic oil seal structure. The _ sub-system has a rotating shaft, the bearing sleeve is fitted with the rotating shaft and accommodated in the shaft tube portion, the stator system is correspondingly arranged with the rotor and sleeved on the shaft tube portion, the magnetic oil seal, the constituting wire and the rotating shaft and the closed shaft tube portion are - end, magnetic oil seal structure:::: a fluid and at least one magnetic element, the magnetic flow system exists in the magnetic:: between the rotating shafts 'the magnetic element is adjacent to the end of the shaft tube portion, = forming - magnetic circuit' A magnetic oil seal structure is formed by magnetic interaction between the magnetic fluid and the magnetic element. 2] The motor according to the present invention and its magnetic oil encapsulation: a magnetic circuit is formed by combining a magnetic element with a magnetic element to form a magnetic circuit, and the magnetic fluid and the magnetic element are magnetically acted to form a magnetic oil seal structure. Compared with the branch, the present invention can effectively store the lubricating oil in the bearing, and 200824229 reduces the consumption of the lubricating oil. In addition, if the magnetic element is disposed at one end of the pumping, it can have a positioning function, and the rotating shaft can be stabilized and operated smoothly, thereby avoiding vibration and reducing buzzing of the motor, thereby improving the reliability and service life of the motor. [Embodiment] Hereinafter, a motor and a magnetic oil seal structure thereof according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals. First Preferred Embodiment Referring to FIG. 2, a motor 2 according to a first preferred embodiment of the present invention includes a shaft tube portion 24, a rotor, a bearing & a stator 21, and a magnetic oil seal structure. %. The magnetic oil seal structure 26 includes at least a magnetic element 261, at least a magnetically conductive element (10), and a magnetic fluid additive. The rotor 22 has a rotating shaft 221 and a magnet 222. The stator 21 is disposed corresponding to the rotor 22. In detail, the stator 21 is disposed corresponding to the magnet 222, and is located between the magnet 222 and the rotating shaft 221 and sleeves the shaft tube. The bearing 23 is sleeved on the rotating shaft 221 and housed in the shaft tube portion 24. The magnetic element 261 is disposed adjacent to one of the rotating shafts 221. Magnetic: a magnet, a magnet or an electromagnet. In the present embodiment, 7L + 261 is a magnetic pressure magnet. The magnetically permeable element is adjacent to the opening of the shaft tube portion 24, and may be a magnetically conductive iron. Between the rotating shafts 221, and the inner core C is present in the shaft tube portion 24, ', inner 3 iron, cobalt, nickel or alloy thereof, 200824229 lubricating oil provides the required magnetic oil seal structure between the bearing 23 and the rotating shaft 221 Used to avoid the leakage of the lubricating oil 31. As described below, when the motor 2 is in the non-operating state, since the guides::== are respectively adjacent to the two ends of the rotating shaft 221: 221 is eight magnetic, so the magnetic component % can form a magnetic via the component 262. Material ci, the magnetic circuit c-axis is axially distributed, and the magnetic element 26! provides a rotating shaft such as magnetic pressure. When the motor 2 is in the running state, the magnetic circuit is two columns, the term action · · - - is disposed by the magnetic oil seal structure 2, the lubricating oil (four) hook is distributed on the bearing 23 and the rotating shaft; the structure = providing the sliding action; When the magnetic conductive element is applied to the rotating shaft and magnetically adsorbed by the magnetic fluid 263, the pressure is formed, and the oil 31 is stored in the bearing 23 as the motor is operated for a long time, so that the lubricating oil 31 can be avoided. The third, magnetic, at the bottom end of the ^ axis 22i, provides a magnetic force to make the rotation of the above three functions to improve the reliability of the motor;: to: the fate has a significant effect. Further, the magnetic element is a magnet, a magnet or an electromagnet, and is disposed adjacent to the end of the shaft 24 and is disposed on the rotating shaft 221. In the present embodiment, the magnetic 11 elements 3 61 and 362 are mutually repelled in the axial direction to form a magnetic circuit C2, and magnetic lines of force are collected between the magnetic elements 361 and 362 to form a relationship between the rotating shaft 221 and the magnetic oil seal structure 36. It is said that the magnetic oil seal structure 3 ό can be arranged in the axial direction, cloth or radial direction of the magnetic circuit C2 formed by the rotating shaft 221 according to the configuration of the magnetic element cow and the 3 62. When the motor 3 is operated, the magnetic fluid 363 gradually moves in the direction of the magnetic member and gw as the rotating shaft 221 rotates. At this time, the magnetic fluid 363 can prevent the lubricating oil 3 1 from leaking along the rotating shaft 2 , so that Run / Moon Oil 3 1 along with the motor for a long time between the sugar 221. ] can also be stored in the bearing 23 and the shaft
Jl佳實施柄 =第4圖所示’本發明第三較佳實施例之另一 :達二其構成與功能均與該馬達3類似，不同之處在 於.轉軸221a設有至少 ⑶a與該磁性元件361及36;=二-犬起，使轉轴 C3之磁性作用集中增 之：斤形成的磁性迴路 仏成似a ★ 對於磁性流體363具有f大 的吸附力，確保潤滑油31無法 ^大 漏，使潤滑油31隨著馬_ 車Ua向外洩 卿軸221之間。達長日，運轉亦可保存於軸承 綜上所述，本發明之— …達及其磁性油封結構藉 10 200824229 =磁:元件結合導磁元件形成—魏迴路，或僅藉由磁 性讀形成磁性迴路，使磁性流體以及磁性元件盘導磁 元件之間的磁性作用，形成磁性油封結構。相較ς習知 明能夠有效將潤滑油保存於軸承中，降低潤 ，月油之祕；此外，若磁性元件設置於轉轴之― 位功能，而使轉軸穩固定位並運轉順暢， 達產生振動及噪音，進而提升馬達的可靠度與使 離本二Γ’而非為限制性者。任何未脫 =月之精神與耗嚀，而對其進行之等效修改或變 更，均應包含於後附之申請專利範圍中。 【圖式簡單說明】 第1圖係為一種習用馬達之示意圖； 2圖係輕據本發㈣—較 其磁性油封結叙*; 種馬達及 第3圖係為依據本發明第二 =磁性油封結構之示意圖；;例之-種馬達及 第4圖係為依據本發明第三_ ^ ^ 其磁性油封結構之示意圖。佳—種馬達及 元件符號說明 I、 2、3、4 II、 21 馬達 定子 26 > 36 31 磁性油封結構 潤滑油 200824229 12、 221、221a 轉軸 222 磁鐵 13 軸承 263 、363 磁性流體 14 油封 261 、361、362 磁性元件 22 轉子 262 導磁元件 23 轴承 C1、 C2、C3 磁性迴路 24 軸管部 12Jl preferably implements the handle=the fourth embodiment of the third preferred embodiment of the present invention: the second structure and function are similar to the motor 3, except that the rotating shaft 221a is provided with at least (3) a and the magnetic element. 361 and 36; = two-dogs, the magnetic effect of the shaft C3 is concentrated: the magnetic circuit formed by the pounds is like a ★ The magnetic fluid 363 has a large adsorption force to ensure that the lubricating oil 31 cannot leak , so that the lubricating oil 31 is discharged between the shaft 221 and the outer side of the horse. Up to the long day, the operation can also be saved in the bearing summary, the invention and its magnetic oil seal structure by 10 200824229 = magnetic: component combined with the magnetic component to form - Wei circuit, or magnetic only by magnetic reading The circuit forms a magnetic oil seal structure by magnetic interaction between the magnetic fluid and the magnetic element of the magnetic element disk. Compared with the well-known knowledge, it can effectively store the lubricating oil in the bearing, and reduce the secret of the lubricious oil. In addition, if the magnetic component is placed on the “position” function of the rotating shaft, the rotating shaft is stably fixed and runs smoothly, and the vibration is generated. Noise, which in turn raises the reliability of the motor and makes it a departure from the standard'. Any changes or modifications to the spirit and depletion of the company that are not removed from the month shall be included in the scope of the patent application attached. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view of a conventional motor; 2 is lightly according to the present invention (4) - compared to its magnetic oil seals; the motor and the third figure are based on the second = magnetic oil seal of the present invention A schematic diagram of the structure; an example of a motor and a fourth diagram is a schematic diagram of a magnetic oil seal structure according to the third invention of the present invention. Good-type motor and component symbol description I, 2, 3, 4 II, 21 motor stator 26 > 36 31 magnetic oil seal structure lubricating oil 200824229 12, 221, 221a shaft 222 magnet 13 bearing 263, 363 magnetic fluid 14 oil seal 261, 361, 362 magnetic element 22 rotor 262 magnetic element 23 bearing C1, C2, C3 magnetic circuit 24 shaft tube part 12