1316590 九、發明說明： 【發明所屬之技術領域】 ， 本發喊有關—種全地形車，尤指-種於全地形車後輪軸之 • -承_ ’並__緣套設—防塵套筒之構 造0 【先前技術】 ^ 按’全地形車1’如圖一所示，主要係在車架單元11、轉 向機構12、前輪13、乘坐部i 4、後輪工5，以及提供全地 形車動力源之動力單元2。該車架χ丄之前方樞浦向機構工 2 ’該轉向機構1 2的下方設置有-组前輪丨3，在轉向^^犯 2之後方，於車架單元11上設有乘坐部14，在乘坐部14之 下方為動力單元2。該動力單元2，請參閱圖二所示，至少包括 有一引擎系統21，以及一被引擎系統2丄所帶動之無段變速系 ^ 统2 2，該無段變速系統2 2藉由鏈條2 3帶動後輪軸2 4，在 ， 後輪轴2 4上接設有一組後輪15。 ， 引擎系統21係藉由汽油於燃燒室211燃爆所產生之動 力，推動活塞212作往復運動，因而帶動曲軸213轉動，而 無段變速系統2 2之主動盤2 21則會被曲軸213帶動作同步 旋轉’因而帶動被動盤2 2 2之轉動，再經由離合器2 2 3驅使 被動軸2 2 4轉動，經由最終齒輪組2 2 5來令最終齒盤2 2 β 轉動，最終齒盤2 2 6藉由鏈條2 3來帶動設於後輪軸2 4上之 傳動齒盤241，藉此俾可使後輪15轉動，而令全地形車1行 1316590 進。 、 然而，上述之全地形車1，由於係藉由外露式之鏈條2 3傳 、動至後輪軸2 4上，因此’鏈條2 3容易㈣染沙塵或其他異物 .而導致鏈條2 3產生磨損斷裂之情形，且鏈條2 3於使用一段時 • 間後亦容易因鬆脫而造成與傳動齒盤2 41之脫落。 於是，有業者開發出利用軸傳動之全地形車3，請參閱圖三 %所不，該全地形車3之傳動系統係由變速箱31及轴傳動機構3 2所叙成’該變速箱31内設有傳動軸311，該傳動軸3工丄 延設有傘絲3 1 2，雜傳動機構3 2之傳動軸3 2 1前後各 設有傘齒輪3 2 2、3 2 3，該賴輪3 2 2係與魏箱3 1之 傘齒輪312略呈垂直狀嗜合，該軸傳動機構3 2之傘齒輪3 2 3則與後輪軸4齒輪箱3 Q内之傘齒輪3 2 4略呈垂直狀嗜合， ^圖四麻；全地形車3之行進乃鋪㈣擎之運轉，帶動變速 •相31内傳動轴311、傘齒輪3工2，並由傘齒輪3工2帶動 軸2動機構3 2之傘齒輪3 2 2、3 2 3旋轉，再由傘齒輪3 2 3讀後輪軸4上之傘錄3 2 4旋轉，進而使枢設於後輪軸4 之後輪4 3旋轉’以達到全地形車3行進之目的，並提升全地形 車之扭力JL藉由軸傳動帶動車體動作，可有效增進使用功效及 具較佳之整體性。 其中’該全地形車3之動力係藉由轴傳動機構3 2之傘齒輪 3 22、323旋轉，再由傘齒輪3 2 3帶動後輪軸4上之傘齒 6 aj1659〇 2 2 4旋轉，·另後輪軸4與傘齒輪3 2 4之間設置有一 〇型環 2 414 2可防止水及異物之入侵。又，伞齒輪3 時、商者/ 2 4 1與後輪軸4之栓槽4 1由於組裝的關係須保 、生= 田的游隙’當後輪軸4被帶動後’因前述游隙之存在，將會 =後輪軸蝴_嶋4 2之_，使刪則2 力月b喪失’進而會造成後輪軸4之外端軸承4 4之損壞；且 二裝後輪軸4時，當後輪軸4上之栓槽41穿過◦型環42時， 1上的絲_卿42之絲，亦會造成該◦型 ^喪失防水之功能；再者，由於該◦型環4 2係設置於後輪 與伞齒輪3 2 4之間，並無法由外部直接判斷0型環4 2是 1已有組裝或已磨損需更換，進而必須將齒輪箱3 〇予以拆卸後 行檢查^成〇型壤4 2組裝或更換工作繁複之缺失。 有馨於全地形車3之利用於後輪轴4與傘齒輪3 2 4之間設 ◦型環4 2㈣財，組叙做，祕何能有效 “全地料後輪軸之財贱，料全地形賴造·，極待 解決之一大課題。 【發明内容】 發明之主要目的，乃在克服習知全地形車後輪轴於後輪軸 與傘齒輪之間設置-Q魏，_環之壓配量較小，且容易因 栓槽上的_傷〇魏之絲，所造成之时功能不佳。 為此，本發明所使用之技術手段，乃在提供一種全地形車後 7 1316590 輪軸防水構造，錢輪軸上設置有—錄箱，_輪箱設置有軸 ‘傳動機構傳動轴之麵輪’鱗齒輪係與後輪滅輪肋之伞齒 .輪略呈垂直㈣合，其巾，該後輪軸上之傘齒輪係向後輪轴的一 •側延伸有承接緣’該承接緣係延伸出齒輪箱之外，且承接緣上套 ，设有一防塵套筒’藉由該防塵套筒可阻隔灰塵及水分進入造成内 部軸承生齡壞’並可制讀拆卸及更換組裝之功效。 ^ 【實施方式】 為使貴審查員能更易於了解本發明之構造及所能達成功 效，茲配合圖式說明如下： 首先請參觸五、六所示，本發明全地形車後輪軸防水構造 5，該後輪軸51上具有一齒輪箱5 2。 it輪相5 2 ’係供後輪軸5 2予以穿設，該齒輪箱5 2設置 有軸傳動機構6傳_6 !之傘齒輪6 2，該賴制2係與後 •輪軸5 1齒輪箱5 2内之傘齒輪6 3略呈垂直㈣合，其中，該 •傘齒輪6 3係向後輪軸5丄的一側延伸有承接緣6 3},該承接 •緣6 31係延伸出齒輪箱5 2之外，且承接緣6 3工具有一環狀 之凹部6 32，另於承接緣631上套設有—|：方塵套筒64，藉 由該凹部6 3 2可防止防塵套筒6 4脫落；於實施時，亦可以束 帶束缚於防塵套筒6 4與承接緣6 3丄上，使防塵套筒6 4可獲 得更佳之緊固。 Λ 本發明於實鱗，鮮_六_，該全_权動力係藉 8 1316590 .、 =動機麵綱k她6 2_，姆齒輪6 2 =後輪軸51上之傘#輪6 3旋轉，進而使樞設於後輪軸5 i 之後輪旋轉，以達到全地形車行進之目的。1316590 IX. Description of invention: [Technical field to which the invention belongs], this is a call for an all-terrain vehicle, especially for the rear axle of an all-terrain vehicle. - _ _ _ _ edge sleeve - dust sleeve Structure 0 [Prior Art] ^ According to the 'All Terrain Vehicle 1' as shown in Figure 1, mainly in the frame unit 11, the steering mechanism 12, the front wheel 13, the seat portion i 4, the rear wheel 5, and the provision of all terrain Power unit 2 of the vehicle power source. The frame is provided with a front wheel rim 3 below the steering mechanism 1 2, and a seat portion 14 is provided on the frame unit 11 after the steering 2 is disposed. Below the portion 14, the power unit 2 is located. The power unit 2, as shown in FIG. 2, includes at least one engine system 21, and a stepless transmission system 2 2 driven by the engine system 2, the stepless transmission system 2 2 by the chain 2 3 The rear axle 2 is driven, and a rear wheel 15 is connected to the rear axle 24. The engine system 21 is driven by the combustion of the gasoline in the combustion chamber 211 to push the piston 212 to reciprocate, thereby driving the crankshaft 213 to rotate, and the drive plate 2 21 of the stepless transmission system 2 is carried by the crankshaft 213. The action rotates synchronously' thus drives the rotation of the passive disk 2 2 2, and then drives the passive shaft 2 2 4 to rotate via the clutch 2 2 3, and the final gear plate 2 2 β is rotated via the final gear set 2 2 5 , and finally the toothed disk 2 2 6 Drive the chainring 241 provided on the rear axle 24 by the chain 23, whereby the rear wheel 15 can be rotated, and the ATV 1 row 1316590 is advanced. However, the all-terrain vehicle 1 described above is transmitted to the rear axle 24 by the exposed chain 2 3, so that the 'chain 2 3 is easy to (4) dye dust or other foreign matter, resulting in the generation of the chain 23 In the case of wear and tear, and the chain 23 is easily released from the drive chainring 2 41 after being used for a period of time. Therefore, some operators have developed an all-terrain vehicle 3 using a shaft transmission. Please refer to FIG. 3 for the transmission system of the all-terrain vehicle 3, which is described by the transmission 31 and the shaft transmission mechanism 32. There is a transmission shaft 311, the transmission shaft 3 is provided with a parachute 3 1 2 , and the transmission shaft 3 2 1 of the miscellaneous transmission mechanism 3 2 is provided with a bevel gear 3 2 2, 3 2 3, and the traction wheel 3 2 2 is slightly perpendicular to the bevel gear 312 of the Wei box 3 1 , and the bevel gear 3 2 3 of the shaft transmission mechanism 3 is slightly opposite to the bevel gear 3 2 4 in the rear axle 4 gearbox 3 Q Vertically like, ^Fig. 4; The travel of the all-terrain vehicle 3 is the operation of the (4) engine, driving the shifting speed. The transmission shaft 311 and the bevel gear 3 are in the phase 31, and the shaft 2 is driven by the bevel gear 3 The bevel gear 3 2 2, 3 2 3 of the mechanism 3 2 is rotated, and then the bevel gear 3 2 3 is read by the bevel gear 3 2 3 to rotate the umbrella record 3 4 4 on the rear axle 4, thereby being pivoted to the rear wheel axle 4 and then the wheel 4 3 is rotated ' Achieve the purpose of all-terrain vehicle 3 travel, and improve the torque of the all-terrain vehicle JL can drive the movement of the vehicle body through the shaft drive, which can effectively improve the use efficiency and better integrity. Wherein the power of the all-terrain vehicle 3 is rotated by the bevel gears 3 22, 323 of the shaft transmission mechanism 3 2, and then the bevel gears 6 aj1659 〇 2 2 4 on the rear axle 4 are rotated by the bevel gears 3 2 3, A 〇-shaped ring 2 414 2 is disposed between the rear axle 4 and the bevel gear 3 2 4 to prevent intrusion of water and foreign matter. Moreover, when the bevel gear 3 is used, the trader / 2 4 1 and the bolt groove 4 1 of the rear axle 4 are required to be secured due to the assembly relationship, and the play of the field = when the rear axle 4 is driven, due to the existence of the aforementioned play , will = the rear axle _ 嶋 4 2 _, so that the deletion 2 force month b lost 'and will cause damage to the outer end bearing 4 4 of the rear axle 4; and when the rear axle 4 is installed, when the rear axle 4 When the upper bolt groove 41 passes through the ◦-shaped ring 42, the wire of the wire _ qing 42 on the 1 also causes the ◦ type to lose the function of waterproofing; further, since the ◦-shaped ring 42 is set on the rear wheel Between the bevel gear 3 2 4 and the outside of the bevel gear 3 2 4 , it is not possible to directly judge the 0 - ring 4 2 is 1 already assembled or worn and needs to be replaced, and then the gear box 3 必须 must be disassembled and checked. The lack of assembly or replacement work is complicated. There is a fragrant all-terrain vehicle 3 used in the rear axle 4 and the bevel gear 3 2 4 between the ◦-shaped ring 4 2 (four), the group to do, the secret can be effective "all the material of the rear axle of the wealth, the whole The main purpose of the invention is to overcome the press-fit of the -Q Wei, _ ring between the rear axle and the bevel gear of the conventional ATV. It is small, and it is easy to function due to the _ scar on the bolt slot. Therefore, the technical means used in the present invention is to provide an all-terrain vehicle rear 7 1316590 axle waterproof structure, the money axle The wheel box is provided with a box, and the wheel box is provided with a shaft gear of the transmission shaft of the transmission mechanism and a bevel gear of the rear wheel wheel rib. The wheel is slightly vertical (four), and the towel is on the rear axle. The bevel gear extends to a side of the rear axle with a bearing edge. The receiving edge extends out of the gear box, and the upper edge of the bearing sleeve is provided with a dustproof sleeve. The dustproof sleeve can block dust and moisture from entering. Causes the internal bearing to be old and can be read and disassembled and replaced. ^ [Embodiment] In order to make it easier for the examiner to understand the structure of the present invention and the achievable functions, the following description is given as follows: First, please refer to the fifth and sixth, the waterproof structure of the rear axle of the all-terrain vehicle of the present invention. 5, the rear axle 51 has a gear box 52. The it wheel phase 5 2 ' is for the rear axle 52 to be pierced, the gearbox 52 is provided with a shaft transmission 6 transmission _6! The bevel gear 6 3 in the gearbox 2 3 is slightly perpendicular (four), and the bevel gear 6 3 extends to the side of the rear axle 5丄 with a receiving edge 6 3 . }, the receiving edge 6 31 extends beyond the gear box 52, and the receiving edge 6 3 tool has an annular recess 6 32, and the receiving edge 631 is sleeved with a -|: dust sleeve 64, The dustproof sleeve 64 can be prevented from falling off by the recessed portion 63 2; in practice, the strap can also be bound to the dustproof sleeve 64 and the receiving edge 63 3丄, so that the dustproof sleeve 64 can be better tightly closed.固. Λ The invention is in the real scale, fresh _ six _, the full _ power is borrowed 8 1316590 ., = motive plane k her 6 2_, m gear 6 2 = umbrella on the rear axle 51 63 is rotated, thereby enabling pivoted to the rear wheel axle 5 i after the wheel is rotated, in order to achieve the all-terrain vehicle travels.
本發明之功效在於，藉由於麵輪6 3係向後輪轴5丄的一 =延伸有承接緣631，並令該承接緣631係延糾齒輪箱5 之外，於後輪軸51上及該承接緣6 3丄上套設一防塵套筒6 4緊配於二者外’而可達到隔離外界及完全阻隔水、灰塵等異物 的藉此可避免i後輪軸51轉動時，傘齒輪6 3的栓槽6 3 3”後輪軸51之栓槽511間的游隙，所造成之晃動量使水份 滲入後輪轴51内，造成後輪轴5!外端之轴承5 i 2之損壞的 弊端產生’影響車子正常的行駛；且該防塵套筒6 4絲設於齒 輪箱5 2之外’可不需拆下齒輪箱5 2即可進行於檢查、組裝及 更換之作’以達到簡化工作之功效；此外，該防塵套筒6 4係於 後輪軸51定位後才予以組立，可避免被栓槽5丄丄的齒刮傷， 以達到完全隔離水分的目的。 练上所述，本發明藉由上述之全地形車後輪軸防水構造，確 實已忐達成所訴求之功效與目的，應已符合新穎性及進步性之要 件，爰依法提出發明專利之申請，祈請貴審查員之詳鑑，惠賜 准予發明專利之審定，至感德便。 【圖式簡單說明】 圖一係習知全地形車之侧視圖。 9 Ι3Γ6590 圖二係習知全地形車傳動機構之剖視圖。 圖三係習知全地形車轴傳動之簡單示意圖。 圖四係習知全地形車後輪軸與齒輪箱之剖視示意圖。 圖五係本發明後輪轴與齒輪箱之立體圖。 圖六係本發明全地形車後輪轴與齒輪箱之剖視示意圖。 【主要元件符號說明】 1全地形車 2動力單元The effect of the present invention is that the bearing wheel 631 extends to the rear wheel axle 5 and has the bearing edge 631, and the bearing edge 631 extends the gear box 5, and the rear axle 51 and the receiving The rim 6 3 套 is provided with a dustproof sleeve 6 4 which is tightly fitted to the outside of the two, and can be used to isolate the outside and completely block foreign matter such as water and dust, thereby avoiding the bevel gear 63 when the rear axle 51 is rotated. The play between the bolt groove 511 of the rear groove shaft 53 of the rear wheel axle 51 causes the water to penetrate into the rear axle 51, causing the damage of the bearing 5 i 2 at the outer end of the rear axle 5! Produce 'affecting the normal driving of the car; and the dust-proof sleeve 64 is disposed outside the gear box 52. It can be used for inspection, assembly and replacement without removing the gear box 52. In addition, the dustproof sleeve 64 is assembled after the rear axle 51 is positioned, so as to avoid scratching the teeth of the bolt slot 5 to achieve complete isolation of moisture. The waterproof structure of the rear axle of the all-terrain vehicle mentioned above has indeed achieved the effect and purpose of the claim. The requirements for novelty and progressiveness, the application for invention patents in accordance with the law, the detailed examination of the examiner, the grant of the invention patent, and the sensibility of the invention. [Figure simple description] Figure 1 is a conventional ATV 9 Ι3Γ6590 Figure 2 is a cross-sectional view of a conventional all-terrain vehicle transmission mechanism. Figure 3 is a simplified schematic view of a conventional all-terrain axle drive. Figure 4 is a schematic cross-sectional view of a conventional all-terrain vehicle rear axle and gearbox. A perspective view of the rear axle and the gearbox. Fig. 6 is a schematic cross-sectional view of the rear axle and gearbox of the all-terrain vehicle of the present invention. [Main component symbol description] 1 All terrain vehicle 2 power unit
3全地形車 11車架單元 1 3前輪 1 5後輪 21引擎系統2 1 2活塞 2 2無段變速系統 2 2 2被動盤 2 2 4被動軸 2 2 6最終齒輪盤 2 4後輪軸 3 0齒輪箱 311傳動軸 3 2軸傳動機構 3 2 2傘齒輪 3 2 4傘齒輪 12轉向機構 1 4乘坐部 211燃燒室 2 1 3曲轴 2 21主動盤 2 2 3離合器 2 2 5最終齒輪組 2 3鏈條 2 41傳動齒盤 3 1變速箱 312傘齒輪 3 21傳動軸 3 2 3傘齒輪 3 2 4 1栓槽 10 1316590 4後輪軸 4 1栓槽 4 2 0型環 4 3後輪 4 4轴承 5防水構造 5 1後輪軸 5 1 1栓槽 5 1 2軸承 5 2齒輪箱 6軸傳動機構 6 1傳動軸 6 2傘齒輪 6 3傘齒輪 6 31承接緣 6 3 2凹部 6 4防塵套筒 6 3 3栓槽3 all terrain vehicle 11 frame unit 1 3 front wheel 1 5 rear wheel 21 engine system 2 1 2 piston 2 2 stepless transmission system 2 2 2 passive disk 2 2 4 passive shaft 2 2 6 final gear plate 2 4 rear axle 3 0 Gearbox 311 drive shaft 3 2-axis drive mechanism 3 2 2 bevel gear 3 2 4 bevel gear 12 steering mechanism 1 4 seat 211 combustion chamber 2 1 3 crankshaft 2 21 drive disc 2 2 3 clutch 2 2 5 final gear set 2 3 Chain 2 41 drive gear plate 3 1 gearbox 312 bevel gear 3 21 drive shaft 3 2 3 bevel gear 3 2 4 1 bolt slot 10 1316590 4 rear axle 4 1 bolt slot 4 2 0 ring 4 3 rear wheel 4 4 bearing 5 Waterproof construction 5 1 rear axle 5 1 1 bolt slot 5 1 2 bearing 5 2 gearbox 6 shaft transmission mechanism 6 1 transmission shaft 6 2 bevel gear 6 3 bevel gear 6 31 receiving edge 6 3 2 recess 6 4 dust sleeve 6 3 3 bolt slot
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