五、新型說明： 【新型所屬之技術領域】 特別是指一種可在雪地環 本創作係關於一種雪地自行車 境中採多種模式騎乘之雪地自行車 【先前技術】 按，習知自行車之構造大略係有一前後向之主車架，前端 固接一前管，傭馳設-接設把手之把手桿，該把手桿向下 接設一前輪架，供架設前輪；主車架後端則固設一座墊管，供 插設座塾桿，It座婦頂端即接設錄，餘管可供該座塾 桿在其内伸縮關整座㈣高低位置；座姆的底翻接一橫 官，供穿設踏板桿及樞接前鏈輪，踏板桿二端柩接踏板；座墊 管與檢管的後方固設有向後延伸的後上又桿及後下叉桿，二者 於後端合併連接並組設後鏈輪及後輪，在前鏈輪與後鏈輪間連 接有鏈條，藉由踩踏踏板使前鏈輪經由鏈條驅動後鏈輪轉動， 以使如輪與後輪在地面上轉動，達到前進之作用。 現今社會講求環保，自行車不排碳、不浪費能源，同時兼 具騎乘方便及運動娛樂之功效，實為最符合環保要求之交通工 具，故能大受世人歡迎。然，上述習知自行車都是藉由圓圈狀 之如輪與後輪在一般陸地上行進’未見有可在雪地環境中騎乘 使用之自行車存在，因此創作一種可在雪地中騎乘之自行車， 讓雪地壤境中之居民也可享受騎乘自行車之方便與樂趣，顯為 急迫需要。 【新型内容】 針對以上需求，本創作人乃深入構思研發創作，經過長時 間努力，遂有本創作產生。 緣疋本創作之主要目的即在提供一種可在雪地環境中採 多種模式騎乘之雪地自行車。 為達成上述目的，本創作即提供一種雪地自行車，構造上 包括有一前後向之主車架，前端固接一前管，供插接樞設一接 «又把手之把手桿，該把手桿穿出該前管後向下接設一作分又狀 之刖叉条，底部架設一前滑板，該主車架後端固設一座墊管， 供插设一頂端接設一座墊之座墊桿，該座墊管底端固接一横 e，供穿设踏板桿及樞接前鏈輪，該踏板桿二端枢接踏板，該 座塾管後方im有作分叉狀讀又桿，其向後斜向延神與一後 滑板樞接，概滑板上更接設—後鏈輪，在前鏈輪與後鍵輪間 連接有鏈條，該後鏈輪同軸心橫向固接有一前撥動鏈輪，該後 滑板上縱向開設有—貫穿上下之穿槽，該穿槽二側邊板體上前 方處植立有敎撐架’藉以支撐該後鏈輪與前撥動#輪共同之 軸心’該穿槽二側邊板體上後方處植立有後支辟，供接設― 後撥動鏈輪，該料、後鋪鏈輪關設—猶鏈條作連接， 該撥動鍊條之_桃續狀鏈孔，以與前、碰動鏈輪的鍊齒 齒接而外圈則成型多數具傷撥動作用之突塊；該後撥動鍵輪 可由-拉祕她在該後雜之穿槽_升降，絲動線向前 延伸而於鄰近把手處設置成操作用之撥動器。 在上述雪地自行車中，該後支撐架上開設有横向穿設之穿 槽，供該後撥動鏈輪_心穿設人，該後支撑架之内部頂面與 軸心間設置有-彈性件，以對該軸心具下遷之力量，然後各由 一拉動、㈣上方穿設人該後支辟_軸心接合，二側之軸 線向上彙集後向前延伸而於鄰近把手處設成操作用之撥動器。 在上述雪地自行車中，該拉動線以鋼索為宜。 在上述雪地自行車中，該前又架底部接合一框架，該框竿 底部與該前滑板接設，該騎板上開設有—貫？上下之穿槽； 該框架内部容置人—與該框架·之範_應之輪架，該龄 可在該框糾作昇降，該輪架底端滾輪，該輪架至少一 i面上開4有上、下疋位孔，該框架的外部上固設有一筒體， ，、内插置-定位銷；藉該定位銷選擇性抵入該等上、下定位孔 =其中—者，可使該滾輪作下降顯露於該框架外部之定位及上 昇内縮於該框架内部之定位操作。 在上述雪地自行車中，該該定位鎖穿置於該框架上一穿孔 内’外端形餘度縮奴娜，料城 件停留於該筒體内，爷浐栌从从, 卞优遺泮性 筒體外端上開設有一 _心之定位槽;當該套環 進入該疋位槽内停科，該定位銷如卿抵人鮮上、下定 者作定位，當該定倾⑽拉缝獅使該套環 ==外端之壁體上時’該定位銷的_脫離對該等 之罐’ W使該輪架在麵糾作昇降。 M375037 【實施方式】 本創作為達成上述目的所採狀技術手段及可達致之功 效，兹舉以下較佳可行實施例配合附圖進行詳細解說說明 能完全瞭解。 請參閱第—圖所示’本創作實施例整體係-雪地自行車 1，構造上包括有—前後向之主車架1G，前端_—前管^， 傭接樞設-接設把手21之把轉2G，馳手桿别穿出該 前管11後向下接設-作分又狀之前叉架22，其底部共同接合 -框架23，該框架23之底部則接設一前滑板3G，板體上於對 應雜架23之處開設有—貫穿上下之穿槽31 ;主車架後 端固設-座藝管12 ’供插設座墊桿4〇，座塾桿4〇頂端即接 設-座塾41，該座鮮12可鶴錄桿4()在其内伸縮以調 整座墊41的咼低位置；座墊管12的底端固接一橫管13，供 穿設踏板桿50及樞接前鏈輪51，該踏板桿5〇二端樞接踏板 52 ;座塾管12後方固設有-作分又狀之上後叉桿14，其向後 斜向向下延伸而與一後滑板60樞接；該後滑板6〇上植立有一 組前支撐架63 ’供架設一後鏈輪61，在前鏈輪51與後鏈輪 61間連接有鏈條53’故藉由踩踏該等踏板52之動作，可使前 键輪51經由鍵條53驅動後鍵輪61轉動；該橫管a與該組前 支撐架63間接設有一作分叉狀之下後又桿U1，以加強整體 之強固性；該後鏈輪61之同一轴心611上橫向固接有一前撥 動鏈輪71 ’在該後滑板60上的相對後方則藉由植立一組後支 M375037 撐架64 ’以接設一後撥動鏈輪72，兮隹a 珂、後撥動鏈輪71、 72間圈設一撥動鏈條73作連接，兮挺 。亥撥動鍊條73之構成係内 圈為連續狀鏈孔，以與前、後撥動鏈於 硬輪71、72的鍊齒嚙接， 而外圈則成型多數具備撥動作用之穸抬 大塊，可為規則或不規則狀 排列，因其突起為突塊，所以在移 勒時症對雪地環境產生撥動 作用。 請配合參閱第二騎示，該後滑板60上縱向開設有一貫 穿上下之穿槽62，該前支禮架63即植立於該穿槽⑽二侧邊 板體上較前方處’喃紐支撐該後鏈輪61與前撥動鍵輪Μ 八同之軸〜6U，3亥後支撐架64則植立於該穿槽阳二側邊板 體上較後方處，該等後支雜64上_設紐向穿設之穿槽 641，供該後撥動鏈輪72的軸心、721穿設人；該後支撐架64 之内部頂面與軸心721間設置有一彈性件722,以對該軸心721 具下壓之力夏’然後各由一拉動線74 (以鋼索為宜）自上方 穿設入該後支稽架64内與軸心721接合，二側之拉動線74向 上彙集後向前延伸而於鄰近把手21處設賴侧之撥動器 211，其#作方式即藉由轉動或反轉該撥動器211以對拉動線 74作釋放或拉回之操作，其中，當轉動該撥動器211釋放該 拉動線74陪，因該後撥動鏈輪72及其外圍撥動鏈條73本身 具有重力，故即會由其軸心721在該等穿槽641内下降，使得 該後撥動鏈輪72相軸鏈條73之最底端向下突伸出該後滑 板60之穿槽62 ’使形成第三、四圖所示之狀態；必須一提的 7 疋"亥撥動器2Π設有轉動之段落，所以轉動越多段時，其釋 放邊拉動線74之程度越大，使得該撥動鏈條73之底端向下突 伸出該牙槽62越多，而轉動越少段時，其釋放該拉動線74之 程度越小，使得該撥動鏈條73之底端向下突伸出該穿槽62就 越少；然後當反轉該撥動器211以將拉動線74拉回時，該拉 動線74即會將該軸心721連同後撥動鏈輪72上拉，使壓縮該 等彈性件722，並使該後撥動鏈輪72外圍撥動鏈條73之最底 端往上退回到該後滑板6〇之底部以上，使回復到第一、五圖 所示之狀態。 接著，請參閱第一圖並配合參閱第六、七圖與第八、九圖 所不，该框架23的内部容置入一輪架81，該輪架81的橫截 面恰與該框架23所圍之範圍對應，所以該輪架81可以在該框 架23内沿著該框架23之斜度作斜向昇降，其就如同以該框架 23為執道’因此而可以沿著軌道作進退般；該輪架81的底端 枢接一滾輪82，會跟隨著該輪架81作昇降，第六、七圖即係 該輪架81及滚輪82上昇而内縮於該框架23内部之狀態，第 八、九圖則疋該輪架81下降，使該滾輪82穿過該穿槽3；[而 顯露於該框架23外部之狀態。 該輪架81之至少-側面上開設有上、下定位孔811、812, 請配合參閱第十、十-圖所示，雜架23的外部上固設有一 同體83 ’其麟置-定位銷84，.該定鋪84穿置於該框架 23上-穿孔231内’外端形成徑度縮小之桿體841，以穿設過 彈性件842，使該彈性件842停留於該筒體83 0，該桿體 =外伸出該筒體83之穿孔831後，外端穿設—套環舫，該 间體83外端上開設有一橫過中心之定位槽微：當該套環奶 被操作進入該定位槽832内停留時，即如第十、十一圖所示， 該定位銷84的内端被操作抵入該等上、下定位孔8ιι、脱之 其令一者；而當將該定位銷84向外拉動並轉動垂直後放手， 該套環85即抵於該該筒體83外端之麵上，此時即如第十 ^十三圖所示，因該定位銷δ4的内端已脫離對該等上、下 =孔81卜812之抵接，所以該輪架81可以在 作昇降。 =此當如第六、七圖所示’操作使該輪架81及滾輪82上 缩於該框架23内部時’藉由該定位銷抑抵入該下定位 ::可使該輪架81及滾輪82定位;而如第八、九圖所示， =使該輪純連崎㈣下降，崎 槽31而顯露於該框架23 牧4 宏仞方011 Η 于猎由该疋位銷84抵入該上 11即可使該輪架81及滾輪82定位。 本創作實施例之雪地自杆直 能有以下使用模式供選擇：“地環境中使用時，至少 1·在深雪且贼大之下 將該後撥_輪72场，使 了如騎不，選擇 雪堆’同時將職輪82摔作上 圈大_開 上及以手握持把手21，藉1"，並坐於該座塾4】 9木仃進方向，然後即可藉由 該等前、後滑板30、60在雪地上直接作滑雪行進之作用。 2. 在深雪之平缓或缓坡地方，使用者可如第三圖所示，選擇將 該撥動鏈條73之底端放下超出穿槽62，而滾輪82則選擇 上升内縮，然後按照騎乘自行車之動作踩踏該踏板，使 前鏈輪51經由鏈條53驅動後鏈輪61轉動，並即連動該前 撥動鏈輪71同步轉動，進而驅使該撥動鍵條73及後撥動鍵 輪72皆轉動，因此藉由該撥動鏈條73外圈多數具備撥動作 用之大塊’即可在雪堆巾產生獅行進之動力，使整體雪地 自行車1藉由前、後滑板3G、⑼在雪地上行進。而且使用 者可視基堆深度，遠擇该撥動鏈條73底端向下突伸出該穿 才曰62之程度，以改變撥動雪堆之力量。 3. 在已鏟雪之薄雪路面上，使用者可如第十四圖所示，選擇將 該醜鏈條73之底端放下超出穿槽62，而且滾輪82也選 擇放下著地’然後按騎乘自行車讀作，即可藉由該撥動 鏈條73之外圈與滾輪82二者在路面上行進。 由以上說明可知，本創作之特齡要在於自行車之前、 後端各接設-前、後滑板3G、6G，其中，後滑板⑽處更具備 有可被操作下降之後觸.72及_鏈條73 ’因此而可以 在夺地中產生撥動雪堆前進之動力，以方便在雪地環境中騎 乘行進同τ Θ滑板3〇處亦具備有可被操作下降之滾輪 82 ’以產生可在雪地環境中騎乘使用之多種模式。 、r上所ϋ本創作雪地自行車之構造組成不曾見諸昔 M375037 時’而能具備絕對新穎性，使訂尤具私所無之雪地騎乘 功效，而能具錢纽，故已完全合乎紅翻之要件，懸 請早日准予專利，實感德便。 “ 【圖式簡單說明】 第一圖所示係本創作實施例構造側視及第—種使用模式圖 第一圖所示係本創作實施例部份構造俯視圖 第二圖所示係本創作實施例第二種使用模式圖 第四圖所示係本創作實施例撥動鏈條向下伸出穿槽示意圖 第五圖所示係本創作實施例撥動鏈條向上退回示意圖 第六圖所示係本創作實施例滾輪内縮側視圖 第七圖所示係本創作實施例滾輪内縮前視圖 第八圖所示係本創作實施例滾輪外露側視圖 第九圖所示係本創作實施例滾輪外露前視圖 =十圖所示係本創作實施例定位銷抵入定位孔側面剖視圖 第十一圖所示係本創作實施例套環抵入定位槽正視圖 =十二_示係本_實_定位·出定位孔側面剖視圖 第十二圖所示係本解實施雜定位缝直正視圖 第十四圖所示係本創作實施例第三種使用模式圖 11 M375037 【主要元件符號說明】 1—雪地自行車 10—主車架 12座墊管 141—下後叉桿 211---撥動器 231穿孔 40—座塾桿 51—前鏈輪 60—後滑板 62---穿槽 641—穿槽 721 —轴心 74---拉動線 812—下定位孔 831---穿孔 841---桿體 13—橫管 20---把手桿 22---前叉架 30—前滑板 41——座堅 52—踏板 61—-後鏈輪 63---前支撐架 71—前撥動鏈輪 722—彈性件 81- --輪架 82— 滾輪 832—定位槽 842—彈性件 11—前管 14---上後叉桿 21——把手 23---框架 31—穿槽 50—踏板桿 53—鍵條 611 —轴心 64---後支撐架 72- --後撥動鏈輪 73— 撥動鍵條 811---上定位孔 83- --筒體 84- --定位銷 85- 套環V. New description: [New technical field] It refers to a kind of snowmobile that can be used in a snowy bicycle environment in a snowy bicycle environment. [Prior Art] Press, the bicycle is known. The structure has a front and rear main frame, the front end is fixed with a front tube, and the driver is provided with a handlebar for the handle, and the handle bar is connected downwardly with a front wheel frame for erecting the front wheel; A pad is fixed for the insertion of the mast, and the top of the It is connected to the top of the seat. The remaining tube can be used to telescope the seat (4) in the high and low position; the bottom of the seat is turned over and horizontally The officer wears a pedal lever and pivots the front sprocket, and the pedal lever is connected to the pedal at the two ends; the rear of the seat tube and the inspection tube is fixed with a rear upper rear rod and a rear lower fork rod. The end merges and connects the rear sprocket and the rear wheel, and a chain is connected between the front sprocket and the rear sprocket, and the front sprocket is driven to rotate the chain sprocket through the chain by stepping on the pedal, so that the wheel and the rear wheel are Rotate on the ground to achieve the effect of advancement. Today's society is environmentally friendly. Bicycles do not emit carbon and do not waste energy. They also have the advantages of easy riding and sports entertainment. They are the most suitable transportation tools for environmental protection, so they can be welcomed by the world. However, the above-mentioned conventional bicycles are all carried on a general land by a circle like a wheel and a rear wheel. 'There is no bicycle that can be used in a snow environment, so a bicycle can be built in the snow. The bicycle makes the residents in the snowy soil enjoy the convenience and fun of riding a bicycle, which is an urgent need. [New content] In response to the above requirements, the creator has intensively conceived R&D creations, and after a long period of hard work, he has created this creation. The main purpose of this creation is to provide a snowmobile that can ride in multiple modes in a snowy environment. In order to achieve the above object, the present invention provides a snow bicycle, which comprises a front and rear main frame, and a front tube is fixed at the front end for pivoting and connecting the handlebar of the handle, which is worn by the handlebar. After the front tube is connected, a fork and a fork are arranged downwardly, and a front slide plate is arranged at the bottom, and a back tube is fixed at the rear end of the main frame for inserting a seat cushion with a top end a rod, the bottom end of the cushion tube is fixedly connected with a horizontal e for the purpose of wearing a pedal rod and pivoting the front sprocket, the two ends of the pedal rod are pivotally connected to the pedal, and the rear of the seat tube has a bifurcated reading and a pole. The backward obliquely extends and pivots to a rear skateboard, and the upper slide is further connected with a rear sprocket, and a chain is connected between the front sprocket and the rear key wheel, and the rear sprocket has a front side toggled coaxially fixedly. a sprocket, the rear slide is longitudinally opened-through through the upper and lower slots, and the yoke is formed on the front side of the slotted side plate body to support the rear sprocket and the front sprocket The heart 'the rear side of the two side panels is planted with a rear branch for the connection - the rear sprocket, the material, the rear sprocket - The chain of the chain is connected, the chain of the stalk of the sprocket chain is connected with the sprocket of the front and the sprocket, and the outer ring forms a plurality of protrusions for the smashing action; The key wheel can be used to pull the traverse and lift the wire, and the wire is extended forward to be placed in the vicinity of the handle as a dial for operation. In the above snow bicycle, the rear support frame is provided with a transversely extending through slot for the rear sprocket _ heart to be worn, and the inner top surface of the rear support frame and the shaft center are provided with - elasticity a piece, with the force of moving down the axis, and then each is pulled by one, (4) is placed above the person, and then the axis is joined. The axes of the two sides are gathered upwards and then extended forward and set at the adjacent handles. Operational actuator. In the above snow bicycle, the pulling wire is preferably a steel cable. In the above snow bicycle, the front frame bottom engages a frame, and the bottom of the frame is connected to the front slide plate, and the riding plate is opened. The top and bottom of the frame; the frame accommodates the inside of the frame - and the frame of the frame, the age can be raised and lowered in the frame, the bottom end of the wheel, the wheel frame at least one side 4 having upper and lower clamping holes, a cylindrical body is fixed on the outer part of the frame, and a positioning pin is inserted therein; and the positioning pin can selectively enter the upper and lower positioning holes= among them, The roller is lowered to reveal a positioning operation outside the frame and a positioning operation that rises and contracts inside the frame. In the above snow bicycle, the positioning lock is placed in a perforation in the frame, and the outer end shape is reduced to the Nuna, and the material piece stays in the cylinder body, and the master is from the slave, the superior remains. The outer end of the cylinder is provided with a positioning groove of the heart; when the collar enters the position of the positional stop, the positioning pin is positioned as the upper and lower sides of the person, and when the fixed tilt (10) pulls the lion When the collar is on the wall of the outer end, the _the locating pin of the locating pin is detached from the tank. M375037 [Embodiment] The technical means and the achievable effects of the above-mentioned objects are achieved. The following detailed description of the preferred embodiments together with the drawings can be fully understood. Please refer to the figure - the whole embodiment of the present invention - snow bicycle 1, the structure includes - the front and rear main frame 1G, the front end _ - the front tube ^, the servant connection - the handle 21 Turning the 2G, the hand lever does not pass out of the front tube 11 and then is connected downwards - the front fork frame 22, the bottom joints - the frame 23, the bottom of the frame 23 is connected to a front skateboard 3G, The plate body is provided at the corresponding miscellaneous frame 23 - through the upper and lower through slots 31; the rear end of the main frame is fixed - the seat art tube 12' is provided with a seat cushion rod 4, and the top end of the seat mast 4 is connected a seat-seat 41, the fresh 12-portable stick 4 () is telescoped therein to adjust the lower position of the seat cushion 41; the bottom end of the seat cushion tube 12 is fixed to a horizontal tube 13 for wearing a pedal rod 50 and pivoting the front sprocket 51, the pedal rod 5 is pivotally connected to the pedal 52 at the two ends; the rear side of the seat tube 12 is fixed-shaped and the upper rear fork rod 14 is extended obliquely downward and backward. A rear slide plate 60 is pivotally connected; the rear slide plate 6 is provided with a set of front support frames 63' for erecting a rear sprocket 61, and a chain 53' is connected between the front sprocket 51 and the rear sprocket 61. The action of the pedals 52 The front key wheel 51 can be driven to rotate the rear key wheel 61 via the key strip 53; the horizontal tube a and the front front support frame 63 are indirectly provided with a fork-shaped rear and rear rod U1 to strengthen the overall rigidity; A front toggle sprocket 71' is laterally fixed to the same axis 611 of the rear sprocket 61. The rear side of the rear slide plate 60 is connected by a set of rear support M375037 brackets 64' to connect a rear dial. The sprocket 72, the 兮隹a 珂, and the rear sprocket 71, 72 are provided with a toggle chain 73 for connection. The structure of the sea toggle chain 73 is a continuous chain hole, which is engaged with the chain teeth of the front and rear toggle chains on the hard wheels 71, 72, and the outer ring is formed by a large number of the movements. Blocks can be arranged in regular or irregular shapes. Because the protrusions are protrusions, the movement causes a shift in the snow environment. Referring to the second riding guide, the rear sliding plate 60 has a through-and-out through groove 62 extending longitudinally. The front support frame 63 is formed on the two side plates of the through groove (10). The rear sprocket 61 and the front toggle key rim are the same axis ~ 6U, and the rear support frame 64 is implanted on the rear side of the through-half side plate, and the rear branch is 64 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The shaft 721 has the force of pressing down, and then each of them is driven by a pulling wire 74 (with a steel cable) from above into the rear bracket 64 and engaged with the shaft 721, and the pulling wires 74 on both sides are assembled upward. a rearwardly extending slider 211 disposed adjacent to the handle 21, which is a method of releasing or retracting the pulling wire 74 by rotating or reversing the dial 211, wherein When the dial 211 is rotated to release the pulling line 74, since the rear sprocket 72 and its peripheral sprocket 73 have gravity, they are traversed by the axis 721 thereof. The inner portion of the rear sliding sprocket 72 is extended downwardly so that the bottom end of the rear chain sprocket 72 protrudes downwardly from the through slot 62' of the rear slide 60 to form a state shown in the third and fourth figures; 7 疋"Hui ji 2Π is provided with a rotating section, so that the more the rotation, the greater the degree of pulling the line 74 by the release side, so that the bottom end of the toggle chain 73 protrudes downwardly from the socket 62 The more the rotation, the less the degree of rotation, the less the degree of release of the pulling wire 74 is, such that the bottom end of the toggle chain 73 protrudes downwardly from the through slot 62; then when the toggle is reversed When the puller 74 pulls back the pull wire 74, the pull wire 74 pulls the pivot 721 together with the rear toggle sprocket 72 to compress the elastic members 722 and make the rear sprocket 72 peripheral. The bottom end of the toggle chain 73 is retracted back above the bottom of the rear slide 6 to return to the state shown in the first and fifth figures. Next, referring to the first figure and referring to the sixth, seventh, and eighth and ninth views, the inside of the frame 23 is accommodated in a wheel frame 81, and the cross section of the wheel frame 81 is just adjacent to the frame 23. The range corresponds to the fact that the wheel frame 81 can be raised and lowered obliquely along the slope of the frame 23 within the frame 23, as if the frame 23 is in the way of being "and thus can advance and retreat along the track; The bottom end of the wheel frame 81 is pivotally connected to a wheel 82, which is followed by the wheel frame 81 for lifting. The sixth and seventh figures are the state in which the wheel frame 81 and the roller 82 are raised and contracted inside the frame 23, and the eighth. In the nine figure, the wheel frame 81 is lowered to pass the roller 82 through the through slot 3; [and is exposed to the outside of the frame 23. The upper and lower positioning holes 811 and 812 are defined on at least the side surface of the wheel frame 81. Please refer to the tenth and tenth drawings. The outer frame of the hybrid frame 23 is fixed with a common body 83'. The pin 84 is placed on the frame 23 - the outer end of the perforation 231 forms a reduced diameter rod 841 for passing through the elastic member 842 such that the elastic member 842 stays in the barrel 83 0. The rod body=extends the perforation 831 of the barrel 83, and the outer end is provided with a collar 舫. The outer end of the body 83 defines a positioning groove across the center: when the collar is quilted When the operation enters the positioning slot 832 to stay, as shown in the tenth and eleventh figures, the inner end of the positioning pin 84 is operated to be in contact with the upper and lower positioning holes 8 ιι, and the one is removed; The positioning pin 84 is pulled outward and rotated vertically to release the hand, and the collar 85 is abutted against the outer end of the cylindrical body 83, as shown in the tenth thirteenth figure, because the positioning pin δ4 The inner end has been disengaged from the upper and lower = holes 81 812, so the wheel frame 81 can be raised and lowered. = When the operation of the wheel frame 81 and the roller 82 is retracted inside the frame 23 as shown in the sixth and seventh figures, the positioning pin can be used to lower the positioning: the wheel frame 81 can be The roller 82 is positioned; and as shown in the eighth and ninth figures, = the wheel is purely connected to the subsidiary (four), and the slotted slot 31 is revealed in the frame 23, the animal husbandry 4 Acer 011 Η, the hunting is reached by the position pin 84 The upper 11 can position the wheel frame 81 and the roller 82. The snow of the present embodiment can be selected from the following modes of use: "When used in the ground environment, at least 1 . Under the deep snow and the thief, the rear dial _ round 72 games, so that if the ride does not, Select the snow pile 'At the same time, drop the professional wheel 82 into the upper circle _ open and hold the handle 21 by hand, borrow 1" and sit in the seat 】 4] 9 wood into the direction, then you can use these The front and rear skateboards 30, 60 directly play the role of skiing on the snow. 2. In the gentle or gentle slope of the deep snow, the user can choose to lower the bottom end of the toggle chain 73 beyond the wearer as shown in the third figure. The groove 62, and the roller 82 is selected to rise and contract, and then the pedal is stepped according to the action of riding the bicycle, so that the front sprocket 51 drives the rear sprocket 61 to rotate via the chain 53, and the front sprocket 71 is synchronously rotated. In turn, the toggle button 73 and the rear toggle button 72 are both rotated. Therefore, most of the outer ring of the toggle chain 73 has a large block for the action of the dial, so that the lion can be driven by the snow towel. The whole snow bicycle 1 is carried on the snow by the front and rear skateboards 3G, (9). Depending on the depth of the pile, the bottom end of the toggle chain 73 protrudes downwardly to the extent of the wearer 62 to change the force of the snowdrift. 3. On the thin snow road with shoveling snow, use As shown in FIG. 14, the bottom end of the ugly chain 73 is selected to be lowered beyond the through slot 62, and the roller 82 is also selected to be placed on the ground, and then the bicycle is read by the riding bicycle, and the toggle chain can be used. 73 The outer ring and the roller 82 travel on the road surface. As can be seen from the above description, the special age of the present invention is to connect the front and rear slides 3G and 6G before and after the bicycle, wherein the rear slide (10) is further With the ability to be lowered after operation, the .72 and _chain 73' can be used to generate the power of the snowdrift in the ground, so that it is easy to ride in the snow environment and the τ Θ skateboard is also available. There are rollers 82' that can be lowered by operation to produce a variety of modes that can be used in a snowy environment. The structure of the snowmobile that has been created on the r has never been seen in the past M375037, and it has absolute novelty. To make it easy to ride in the snow without a private ride. Qian Xin, so it is completely in line with the red-turning requirements, hanging the patent as soon as possible, and it is really sensible. " [Simple description of the diagram] The first figure shows the construction of the embodiment of the creation of the side view and the first use mode map 1 is a top view of a partial configuration of the present embodiment. The second mode of use of the present embodiment is shown in the fourth figure. The fourth embodiment of the present embodiment is shown in the present embodiment. Figure 5 is a schematic diagram of the present embodiment of the present invention. The sixth embodiment of the present invention is shown in Figure 8 of the present invention. The ninth diagram of the roller exposed side view of the present embodiment is shown in the front view of the wheel of the present invention. The front view of the locating pin of the present invention is shown in the eleventh figure. Example embodiment of the collar abutting the positioning groove = 12 - _ _ _ _ _ _ positioning · locating hole side section view shown in the twelfth figure is the implementation of the misalignment straight view shown in Figure 14 The third embodiment of the present creative embodiment Mode 11 M375037 [Description of main components] 1 - Snowmobile 10 - Main frame 12 seat cushion 141 - Lower rear fork 211 - - Traction 231 perforation 40 - Seat mast 51 - Front sprocket 60-rear slide 62---through slot 641-through slot 721-axis 74---pull line 812-lower positioning hole 831---perforation 841---rod 13-cross tube 20---handle lever 22---Front fork frame 30—Front slide plate 41—Seat lock 52—Pedal 61—Back sprocket 63---Front support frame 71—Front sprocket 722—elastic member 81---wheel frame 82 — roller 832—positioning slot 842—elastic member 11—front tube 14—upper rear fork lever 21—handle 23—frame 31—through slot 50—pedal lever 53—key strip 611—axis 64— - Rear support frame 72 - - Rear toggle sprocket 73 - Toggle key bar 811 - Up positioning hole 83 - - Cylinder 84 - - Locating pin 85 - Collar
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