TWM407976U - Lubrication structure of planetary reduction gear mechanism - Google Patents

Lubrication structure of planetary reduction gear mechanism Download PDF

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Publication number
TWM407976U
TWM407976U TW100201154U TW100201154U TWM407976U TW M407976 U TWM407976 U TW M407976U TW 100201154 U TW100201154 U TW 100201154U TW 100201154 U TW100201154 U TW 100201154U TW M407976 U TWM407976 U TW M407976U
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Taiwan
Prior art keywords
planetary
guiding groove
oil guiding
reduction gear
gear mechanism
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TW100201154U
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Chinese (zh)
Inventor
Tse-Hao Huang
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Feng Ze Prec Co Ltd
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Priority to TW100201154U priority Critical patent/TWM407976U/en
Publication of TWM407976U publication Critical patent/TWM407976U/en

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M407976 五、新型說明: 【新型所屬之技術領域】 本創作係涉及一種行星式減速齒輪機搆’特別是指其 潤滑結構之創新型態設計者。 【先前技術】 按 , 有 鑑 於 一 般 馬 達 具 較 高 轉 速 J 若 % 接 運 用 於 被 動 元 件 上 有 轉 動 過 快 、 損 壞 被 動 元 件 強 度 與 縮 短 使 用 壽 命 等 問 題 點 前 馬 連 出 轴 上 均 設 置 有 減 速 機 構 以 降 低 轉 速 5 而 減 速 機 的 種 類 繁 多 > 除 了 傳 統 透 過 大 小 齒 輪 搭 配 的 方 式 來 達 到 減 速 之 的 外 , S 前 最 常 見 的 即 為 本 創 作 所 欲 針 對 探 討 改 良 之 行 星 式 齒 輪 滅 速 機 構 0 所述行星式齒輪減速機構的最大優點,在於能夠改善 傳統齒輪減速機構體積大、結構複雜、運轉噪音與震動等 問題’故更適合被廣泛運用於各種不同標的物中;而行星 式齒輪減速機之構成主要包括一具有内齒紋的殼體,以及 魯内設於該殼體中之一行星齒輪組,該行星齒輪組具有輸出 轴’且係由複數個具螺旋齒的行星齒輪所組成,各該行星 齒輪並與殼體所設内齒紋相嚙合,且行星齒輪組内並設有 用以連接馬達之一太陽齒輪組’如此當馬達轉動時,係可 作動行星齒輪組的行星齒輪相對殼體轉動,進而達到降低 輪出軸轉速之目的。 前述習知行星式齒輪減速搂 a从 /曰 Λ %•機構雖可達到滅速目的,但 實際使用經驗中卻發現:由於意〜曰北 滴缝沾碑妗 具订星齒輪係以阈緣的螺叙 齒與殼體咬合轉動而受力產生鉦am u ’ g ^ 土軸向推力,促使打星齒輪端 M407976 /靣與兩側壁面貼合進而產生麾楸& t . ^ w ·擦輿推擠作用,再加_ 能使行星積確地嗜合轉動 ^ ^ ^ ^ ^ 動,—般容置行星齒輪< 在疋位與尺寸上均相虽精確, i Λ „ 配合間隙相當微小,' 卻运成潤滑油箨法順利進入行θ τ生齒輪内部軸孔中之 ,進而造成其潤滑不足的見象,如+ , 了推备 ^^ 如此一來,不僅會 轉動時產生過大震動與噪音,s ^ 更可能因磨耗而導致 ‘抑嚙合之誤盖,進而运成機件 換的技 干破壤’直接影響到齒 機的使用壽命。 斜對前段所述問題,後蟢$ + & %、 1 1交、..汽遂有相關業界提出一 技術以·為因麻,如中華民國直 , 驾專利申請案號94130754 輸减迷機之行篆齒輪潤滑結 . 〇構」發明專利案所揭, 方’、中主要是造過在各該行星窗輪兩側端面凹設至 油溝之技術,以使潤滑油於行星㈣轉動時能夠透 油溝之導引擠入軸孔中,遠 邊到其潤滑目的;然而, 法雖可達到其潤滑行星齒於 土 w輸軸孔之目的,但由於其M407976 V. New description: [New technical field] This creation relates to a planetary reduction gear mechanism', especially to the innovative design of its lubrication structure. [Prior Art] Press, in view of the fact that the motor has a higher speed J. If it is used for passive components, the rotation speed is too fast, the strength of the passive component is damaged, and the service life is shortened. Reducing the speed of 5 and the variety of reducers > In addition to the traditional way of achieving the deceleration through the combination of large and small gears, the most common before S is the creation of the proposed planetary gear speed-off mechanism 0 The biggest advantage of the planetary gear reduction mechanism is that it can improve the problems of large volume, complicated structure, running noise and vibration of the traditional gear reduction mechanism. Therefore, it is more suitable for being widely used in various targets. The composition of the planetary gear reducer The utility model mainly comprises a housing with internal ribs and a planetary gear set disposed in the housing, the planetary gear set having an output shaft ′ and consisting of a plurality of planetary gears with helical teeth Each of the planetary gears meshes with the inner tooth of the housing, and the planetary gear set is provided with a sun gear set for connecting one of the motors. Thus, when the motor rotates, the planetary gears of the planetary gear set can be actuated. The body rotates to achieve the purpose of reducing the rotational speed of the wheel. The above-mentioned conventional planetary gear deceleration 搂a from /曰Λ%• mechanism can achieve the purpose of speed-defining, but the actual experience has found that: because of the intention ~ 曰 北 滴 沾 沾 妗 订 订 订 订 订 订 订 订 订The snail tooth and the housing bite and rotate to generate force 钲am u ' g ^ soil axial thrust, which causes the star gear end M407976 / 靣 to fit the two side wall surfaces to produce 麾楸 & t . ^ w · wipe Pushing effect, plus _ can make the planets fit into the rotation ^ ^ ^ ^ ^ movement, the general accommodation of the planetary gears < the uniformity of the position and size is accurate, i Λ „ the fit clearance is quite small, 'But it is a lubricant, and it smoothly enters the inner shaft hole of the θ τ gear, which causes its lack of lubrication, such as +, and pushes ^^ so that not only will it generate excessive vibration when rotating Noise, s ^ is more likely to cause damage due to wear and tear, and then the mechanics of the machine will be broken. It directly affects the service life of the gear. Oblique to the problem described in the previous paragraph, after the $ + &amp ; %, 1 1 Jiao, .., the car has a related industry to propose a technology to · because of the hemp, such as The Republic of China, the patent application number 94130754, the loss of the machine, the gear lubrication, the 发明 」 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明The technology of the groove, so that the lubricating oil can be squeezed into the shaft hole through the guiding of the oil groove when the planet (4) rotates, and the far side is to the lubrication purpose; however, although the method can achieve the lubrication of the planetary tooth in the soil hole Purpose, but because of its

四設於行星齒輪兩側端面邱 _ .. L w田。卩位,於製造上必須於行 ,製造成型後再遷過二次加工方式才能成型,如此顯 成業者製造成本的增加’故此部份顯然仍有再加以 破的空間存在。 是以,針對上述習知行星式齒輪減速機構之潤 所存在之問題點,如何開發一種更具理想實用性之 構,貫係相關業者須再努力研發突破之目^及方向 有鑑於此,創作人本於多年從事相關產品之製 與設計經驗’針對上述之目標,詳加設計與審慎評 終得一轉具實用性之本創作。 t為了 的空間 ί旦如此 問題點 造成其 行星齒 輪減速 些專利 之「齒 該習知 少一道 .過所述 此種作 油溝是 星齒輪 然會造 改善突 滑結構 創新結 〇 造開發 估後, 4 M407976 【新型内容】 ‘ 本創作之主要目的,係在提供一種行星式減 構之潤滑結構(二),其所欲解決之問題點,係 研發出一種更具理想實用性之新式行星式減速齒 潤滑結構為目標加以改良突破;所述行星式減速 係包括外殼體以及組設於該外殼體内之行星齒輪 . 星齒輪組包括具輸出軸之一中空托架以及平均組 空托架内部之複數個行星齒輪,各行星齒輪中央 Φ承,該軸承中央之軸孔樞組有轉軸;該殼體内緣 紋以與各行星齒輪外周緣相嚙合,該中空托架之 則設有藉以連接驅動馬達之一太陽齒輪,又該中 部具有間隔環列且開口端穿出外部的數個裝設槽 槽均具有齒輪裝設壁緣,所述齒輪裝設壁緣具有 以供轉軸插組定位,其該齒輪裝設壁緣與行星齒 組設有墊片,該墊片並具有供轉軸穿設之穿孔; . 本創作解決問題之技術特點,主要在於各該 籲設有長形延伸之導油溝槽,所述導油溝槽係向外 周緣,並向内端延伸連通至該墊片之穿孔;藉此 設計,使本創作對照先前技術而言,俾可令行星 輪機構之潤滑油能夠在行星齒輪組轉動時,同步 片所設導油溝槽導引至轉軸與軸承軸孔之間,達 星齒輪潤滑效果、降低震動嗓音、延長使用壽命 單而能降低成本之功效與目的。 速齒輪機 針對如何 輪機構之 齒輪機構 組,該行 設於該中 組設有軸 具有内齒 内部中央 空托架内 ,各裝設 軸定位孔 輪之間係 墊片係凹 端延伸至 創新獨特 式減速齒 透過該墊 到增進行 且製造簡 M407976 /【實施方式】 ' 請參閱第1 、2 、3 、4圖所示,係本創作行星式減 速齒輪機構之潤滑結構(二)之較佳實施例,惟此等實施 例僅供說明之用,在專利申請上並不受此結構之限制。所 述行星式減速齒輪機構係包括一外殼體10以及組設於該外 殼體10内之一行星齒輪組20,該行星齒輪組20包括具輸出 . 軸21之一中空托架22以及平均分佈組設於該中空托架22内 部之複數個行星齒輪23所構成,各該行星齒輪23中央組設 φ 有軸承24,該軸承24甲央之軸孔25樞組有轉轴26 ;該外殼 體10内緣具有内齒紋11藉以與各該行星齒輪23外周緣相嚙 合,該中空托架22之内部中央則設有藉以連接驅動馬達之 一太陽齒輪12,又該中空托架22内部具有間隔環列且開口 端270穿出外部的數個裝設槽27,各該裝設槽27均具有齒 輪裝設壁緣271 ,所述齒輪裝設壁緣2Ή具有軸定位孔2 72以供該轉軸26插組定位,其該齒輪裝設壁緣271與行星 齒輪23之間係組設有墊片28,該墊片28並具有供轉軸26穿 φ設之穿孔28Q ;本創作之核心設計係在於: 各該墊片28係凹設有長形延伸之導油溝槽30,所述導 油溝槽30係向外端延伸至周緣,並向内端延伸連通至該墊 片28之穿孔280 :藉此,令行星式減速齒輪機構之潤滑油 能夠在行星齒輪組20轉動時,同步透過該墊片28所設導油 溝槽30導引至轉軸26與軸承24軸孔25之間,達到增進行星 齒輪23潤滑效杲、降低震動嗓音、延長使用壽命且製造簡 單而能降低成本之功效與目的。 6 M407976 ·. 其中,所述導油溝槽30能夠表現的具體型態可為多種 可為多種,如第5圖所示導油溝槽30,則是設計成一種直 線長形延伸路徑型態,或如第7圖所示導油溝槽30係可設 汁成狐線延伸路徑型態,亦或者為曲線延伸路經型態者。 其中,所述導油溝槽30之截面係為半圓形、構形、V 形任一型態者,如第6圖所揭係為半圓形型態者。 ' 其中,所述導油溝槽30係設於該墊片28正、反面往至 • 少其中一者,如本創作第6圖所揭導油溝槽30係設於墊片 鲁28正、反面,此並無侷限。 藉由上述結構組成設計,本創作之核心設計’主要在 於各該墊片28正、反面係凹設有長形延伸之導油溝槽30之 技術特點,所述導油溝槽30係向外端延伸至周緣,並向内 端延伸連通至該墊片28之穿孔280之穎異型態;藉此,令 行星式減速齒輪機構之潤滑油能夠在行星齒輪組20轉動時 ,同步透過該墊片28所設導油溝槽30導引至轉軸26與軸承 .24軸孔25之間,達到增進行星齒輪23潤滑效果、降低震動 籲噪音、延長使用壽命之特點;再者,所述導油溝槽30於製 造該墊片28時,即可一併製造成形,無須歷經兩道加工裎 序,人力工時相對可明顯減省,因此更可達到製造加工更 簡易而能降低產程成本之較值產業經濟效益。 功效說明: 本創作功效增進之事實如下: 本創作所揭「行星式減速齒輪機構之潤滑結構」主要 7 M407976 i由各該墊片凹設有長形延伸之導油溝槽之創新獨特結構 型態設計,所述導油溝槽係向外端延伸至周緣,並向内端 廷伸連通至該墊片之穿孔;藉此,所述行星式減速齒輪機 構之潤滑油能夠在行星齒輪組轉動時,同步透過該墊片所 設導油溝槽導引至轉軸與軸承軸孔之間,達到增進行星齒 輪潤滑效果、降低震動噪音、延長使用壽命之特點;再者 ,所述導油溝槽於製造該裝設槽時,即可一併製造成形, 無須歷經兩道加工程序,人力工時相對可明顯減省,因此 更可達到製造加工更簡易而能降低產程成本之較佳產業經 濟效益。 上述實施例所揭示者係藉以具體說明本創作,且文中 雖透過特定的術語進行說明,當不能以此限定本新型創作 之專利範圍;熟悉此項技術領域之人士當可在瞭解本創作 之精神與原則後對其進行變更與修改而達到等效目的,而 此等變更與修改,皆應涵蓋於如后所述申請專利範圍所界 定之範疇中。 M407976 ‘【圖式簡單說明】 第1圖:本創作減速齒輪機構之外觀示意圖。 第2圖:本創作減速齒輪機構之組合立體圖。 第3圖:本創作減速齒輪機構組合關係示意圖。 第4圖:本創作減速齒輪機構之局部平面剖視圖。 第5圖:本創作墊片之平面示意圖。 第6圖:本創作墊片之側視平面圖。 第7圖:本創作導油溝槽之另一實施例圖。 【主要元件符號說明】 10 外殼體 12 太陽齒輪 2 0 行星齒輪組 2 2 中空托架 2 4 軸承Four are placed on the sides of the planetary gears Qiu _ .. L w Tian. The niobium must be manufactured in production, and after the molding is formed, it can be molded by the secondary processing method, which shows the increase in the manufacturing cost of the manufacturer. Therefore, it is obvious that there is still room for further destruction. Therefore, in view of the problems existing in the above-mentioned conventional planetary gear reduction mechanism, how to develop a more ideal and practical structure, the relevant industry players must make efforts to develop breakthroughs and directions. People have been engaged in the manufacturing and design experience of related products for many years. In view of the above objectives, detailed design and careful evaluation will result in a practical and practical creation. For the sake of the space, the problem of the problem is that the planetary gears are decelerating some of the patents. The tooth is a little less. After the oil groove is used, the star gear will be improved to improve the structure of the slippery structure. , 4 M407976 [New content] ' The main purpose of this creation is to provide a planetary-type ablation structure (2), which is to solve the problem, and develop a new type of planetary with more ideal and practicality. The reduction gear lubrication structure is an improved breakthrough for the target; the planetary reduction system includes an outer casing and planet gears assembled in the outer casing. The star gear set includes a hollow bracket with an output shaft and an average group empty bracket interior a plurality of planetary gears, the central gear of each planetary gear is Φ, the shaft hole of the bearing has a rotating shaft; the inner edge of the casing is meshed with the outer circumference of each planetary gear, and the hollow bracket is provided with a connection One of the driving motor sun gears, and the plurality of mounting slots having the spacing ring row in the middle portion and the opening end passing through the outside have gear mounting wall edges, and the gears are mounted The wall edge has a positioning for the rotating shaft, and the gear mounting wall edge and the planetary tooth set are provided with a gasket, and the gasket has a through hole for the rotating shaft to pass through. The technical features of the present problem solving are mainly in each The appeal is provided with an elongated extending oil guiding groove, the oil guiding groove is an outer peripheral edge, and extends to the inner end to communicate with the perforation of the gasket; thereby, the design is made according to the prior art,俾The lubricating oil of the planetary gear mechanism can be used when the planetary gear set rotates, and the oil guiding groove provided by the synchronous piece is guided between the rotating shaft and the bearing shaft hole, and the lubricating effect of the star gear is reduced, the vibration noise is reduced, and the service life is extended. The utility model can reduce the cost and the purpose. The speed gear machine is set for the gear mechanism group of the wheel mechanism, and the row is arranged in the central group, the shaft has the inner tooth inner central hollow bracket, and each of the shaft positioning hole wheel is installed. The recessed end of the gasket extends to the innovative unique reduction gear through the mat to the production and manufacture. M407976 / [Embodiment] ' Please refer to Figures 1, 2, 3 and 4 for the creation of the planetary reduction gear machine The preferred embodiment of the lubricating structure (b), but these embodiments are for illustrative purposes only, and are not limited by the structure in the patent application. The planetary reduction gear mechanism includes an outer casing 10 and a group. a planetary gear set 20 disposed in the outer casing 10, the planetary gear set 20 includes a hollow carrier 22 having an output shaft 21 and a plurality of planetary gears 23 disposed on the inner side of the hollow bracket 22 In the central portion of each of the planetary gears 23, there is a bearing 24, and the shaft hole 25 of the bearing 24 is pivotally provided with a rotating shaft 26; the inner edge of the outer casing 10 has internal ribs 11 and the outer circumference of each of the planetary gears 23 The inner edge of the hollow bracket 22 is provided with a sun gear 12 for connecting one of the drive motors, and the hollow bracket 22 has a spacer ring row inside and the open end 270 passes through a plurality of mounting slots 27 of the outer portion. Each of the mounting slots 27 has a gear mounting wall 271, and the gear mounting wall 2 has a shaft positioning hole 2 72 for positioning the rotating shaft 26, and the gear mounting wall 271 and the planetary gear Between the 23 sets, there is a spacer 28, and the spacer 28 has The core shaft of the present invention is designed to: each of the spacers 28 is recessed with an elongated extending oil guiding groove 30, and the oil guiding groove 30 extends to the outer end to a peripheral edge extending to the inner end to the perforation 280 of the spacer 28: thereby, the lubricating oil of the planetary reduction gear mechanism can synchronously pass through the oil guiding groove provided by the spacer 28 when the planetary gear set 20 rotates 30 is guided between the rotating shaft 26 and the shaft hole 25 of the bearing 24 to achieve the effect and purpose of improving the lubricating effect of the planetary gear 23, reducing the vibration and noise, prolonging the service life, and being simple to manufacture and reducing the cost. 6 M407976 ·. The oil guiding groove 30 can represent a plurality of specific types, and the oil guiding groove 30 shown in FIG. 5 is designed as a linear elongated extending path type. Or, as shown in Fig. 7, the oil guiding groove 30 can be set to be a fox line extending path type, or a curve extending path type. Wherein, the cross section of the oil guiding groove 30 is semicircular, conformal, or V-shaped, as shown in FIG. 6 as a semicircular type. Wherein, the oil guiding groove 30 is disposed on one of the front and back sides of the spacer 28, and the oil groove 30 is provided in the gasket Lu 28 as shown in Fig. 6 of the present creation. On the contrary, there is no limit. With the above structural composition design, the core design of the present invention is mainly characterized in that each of the spacers 28 is concavely provided with a long-shaped oil guiding groove 30, and the oil guiding groove 30 is outward. The end extends to the periphery and extends to the inner end to communicate with the perforation 280 of the spacer 28; thereby, the lubricating oil of the planetary reduction gear mechanism can be synchronously transmitted through the pad when the planetary gear set 20 rotates The oil guiding groove 30 of the piece 28 is guided between the rotating shaft 26 and the bearing shaft 24 of the bearing 24 to achieve the characteristics of improving the lubricating effect of the planetary gear 23, reducing the vibration and noise, and prolonging the service life; When the groove 30 is manufactured, the groove 30 can be integrally formed, without having to undergo two processing steps, and the labor time can be significantly reduced, so that the manufacturing process can be simplified and the production cost can be reduced. Value industry economic benefits. Efficacy Description: The facts of this creation are improved as follows: The main part of the "Lubrication Structure of Planetary Reduction Gear Mechanism" is 7 M407976 i. The innovative and unique structure of each of the gaskets is provided with an elongated oil guide groove. The oil guiding groove extends outward to the periphery and extends inwardly to the perforation of the gasket; thereby, the lubricating oil of the planetary reduction gear mechanism can rotate in the planetary gear set Simultaneously, the oil guiding groove provided by the gasket is guided between the rotating shaft and the bearing shaft hole to improve the lubrication effect of the planetary gear, reduce the vibration noise, and prolong the service life; further, the oil guiding groove When the installation tank is manufactured, the forming can be jointly formed, and the labor process can be significantly reduced without having to go through two processing procedures, thereby achieving better industrial economic benefits of easier manufacturing and processing and lowering the cost of the production process. . The disclosures of the above embodiments are used to specifically explain the present creation, and although the descriptions are made through specific terms, the scope of patents of the novel creation cannot be limited thereby; those skilled in the art can understand the spirit of the creation. Changes and modifications are made to the equivalent purpose, and such changes and modifications are to be included in the scope defined by the scope of the patent application as described later. M407976 ‘【Simple description of the drawing】 Fig. 1: Schematic diagram of the appearance of the reduction gear mechanism of the present invention. Figure 2: A perspective view of the combination of the reduction gear mechanism of the present invention. Figure 3: Schematic diagram of the combined relationship of the reduction gear mechanism of the present creation. Fig. 4 is a partial plan sectional view showing the reduction gear mechanism of the present invention. Figure 5: Schematic diagram of the creation of the gasket. Figure 6: Side plan view of the creation of the gasket. Fig. 7 is a view showing another embodiment of the present oil guiding groove. [Main component symbol description] 10 Outer housing 12 Sun gear 2 0 Planetary gear set 2 2 Hollow bracket 2 4 Bearing

轉軸 φ 2 7 0 開口端 2 7 2 軸定位孔 2 8 0 穿孔 3 0 導油溝槽 11 内齒紋 2 1 輸出軸 2 3 行星齒 2 5 抽孔 2 7 裝設槽 271 齒輪裝 2 8 墊片 輪 設壁緣 9Rotary shaft φ 2 7 0 Open end 2 7 2 Shaft locating hole 2 8 0 Perforation 3 0 Oil guide groove 11 Internal rib 2 1 Output shaft 2 3 Planetary teeth 2 5 Perforation 2 7 Mounting groove 271 Gear mounting 2 8 Pad Blade wheel edge 9

Claims (1)

M407976 々、申請專利範圍: 1 、一種行星式減速齒輪機構之潤滑結構(二),該行星 式減速齒輪機構包括一外殼體以及組設於該外殼體内 之一行星齒輪組,該行星齒輪組包括具輸出軸之一中 空托架以及平均分佈組設於該中空托架内部之複數個 行星齒輪所構成’各該行星齒輪中央組設有轴承’該 軸承中央之軸孔樞組有轉軸;該外殼體内緣具有内齒 紋藉以與各該行星齒輪外周緣相嚙合,該中空托架之 内部中央則設有藉以連接驅動馬達之一太陽齒輪,又 該中空托架内部具有間隔環列且開口端穿出外部的數 個裝設槽,各該裝設槽均具有齒輪裝設壁緣,所述齒 輪裝設壁緣具有軸定位孔以供該轉轴插組定位,其該 齒輪裝設壁緣與行星齒輪之間係組設有墊片,該墊片 並具有供轉軸穿設之穿孔;其特徵在於: 各該墊片係凹設有長形延伸之導油溝槽,所述導油溝 槽係向外端延伸至周緣,並向内端延伸連通至該墊片 之穿孔;藉此,令行星式減速齒輪機構之潤滑油能夠 在行星齒輪組轉動時,同步透過該墊片所設導油溝槽 導引至轉軸與軸承軸孔之間,達到增進行星齒輪潤滑 效果、降低震動噪音、延長使用壽命且製造簡單而能 降低成本之功效與目的。 2 、依據申請專利範圍第1項所述之行星式減速齒輪機構 之潤滑結構(二),其中該導油溝槽之長形延伸路徑 型態係為直線、弧線、曲線任一型態者。 10 M407976 / 3 、依據申請專利範圍第1項所述之行星式減速齒輪機構 之潤滑結構(二),其中所述導油溝槽之截面係為半 圓形、梯形、V形任一型態者。 4 、依據申請專利範圍第1項所述之行星式減速齒輪機構 之潤滑結構(二),其中所述導油溝槽係設於該墊片 正、反面任至少其中一者。M407976 々, the scope of patent application: 1. A lubrication structure (2) of a planetary reduction gear mechanism, the planetary reduction gear mechanism includes an outer casing and a planetary gear set assembled in the outer casing, the planetary gear set The utility model comprises a hollow bracket with one output shaft and a plurality of planetary gears which are evenly distributed in the hollow bracket. The central group of the planetary gears is provided with a bearing. The shaft hole pivot group of the bearing has a rotating shaft; The inner edge of the outer casing has an inner tooth groove for engaging with the outer circumference of each of the planetary gears, and the inner center of the hollow bracket is provided with a sun gear for connecting one of the driving motors, and the hollow bracket has a spacer ring and an opening inside. The end is provided with a plurality of external mounting slots, each of the mounting slots has a gear mounting wall edge, and the gear mounting wall has a shaft positioning hole for positioning the rotating shaft, and the gear mounting wall a spacer is disposed between the edge and the planetary gear, and the spacer has a through hole for the rotating shaft; wherein each of the spacers is concavely provided with an elongated extending oil guiding groove, The oil guiding groove extends to the periphery at an outer end and extends to the inner end to communicate with the perforation of the gasket; thereby, the lubricating oil of the planetary reduction gear mechanism can synchronously pass through the gasket when the planetary gear set rotates The oil guiding groove is guided between the rotating shaft and the bearing shaft hole, thereby achieving the effect and purpose of improving the planetary gear lubricating effect, reducing the vibration noise, prolonging the service life, and being simple to manufacture and reducing the cost. 2. The lubricating structure (2) of the planetary reduction gear mechanism according to claim 1 of the patent application scope, wherein the elongated extension path type of the oil guiding groove is any one of a straight line, an arc line and a curved line. 10 M407976 / 3, the lubricating structure (2) of the planetary reduction gear mechanism according to claim 1, wherein the oil guiding groove has a semicircular, trapezoidal or V-shaped cross section. By. 4. The lubricating structure (2) of the planetary reduction gear mechanism according to claim 1, wherein the oil guiding groove is disposed on at least one of a front side and a back side of the gasket. 1111
TW100201154U 2011-01-19 2011-01-19 Lubrication structure of planetary reduction gear mechanism TWM407976U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI745969B (en) * 2020-05-20 2021-11-11 宇隆科技股份有限公司 Gear reducer lubricating structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI745969B (en) * 2020-05-20 2021-11-11 宇隆科技股份有限公司 Gear reducer lubricating structure

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