201139197 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種輕型載具，更詳而言之，尤指-種可供改變前後輪 間之軸心距離’藉以調整座椅之傾斜 又1平便座椅可呈一般坐姿或斜躺 式坐姿之可變軸距輕型載具。 【先前技術】 按，為提昇輕型載具之產品實用性與價值， 2升絲無乘之安全性與舒適性；㈣之三輪式斜躺車結構，轉传於 車架上安裝有「前-後二」之三輪體結構、一傳動裝置及一座椅等構件所 乘 =效關職鋪所呈現之斜躺角度，使縣者得以達崎適踩踏與騎 一般坐姿與斜躺式坐姿之適用情形並不同，因人體於一般坐姿時，盆 ==躺式坐姿來得高’故所能即時反應之速度亦較快，因此於路 姿對人體㈣較具舒舰，因心^ 料仃齡，崎躺式坐 以避免因糊轉致媳朴1 嫩嘯錢行騎乘， 聯而導致人體產生疲累及酸痛感。 載销軸車等輕型 益法配八行車m 而並無具有可調整角度之功能，因此，即 仃車路況及魏者需求以進行高、触姿之角度切換。 【發明内容】 ' 综合上開先__缺點，大致上包細輕《具，皆僅能呈現翠 201139197 又而並無具有可调整角度之功能，因此，即無法配合行車路況及騎 乘者需求以進㈣、低坐姿之角度切換：祕於解決上述缺點，本發明提 出一種可變軸距輕型載具。 本發明係為-種可變轴距輕型載具，包括：一連桿組，係具有至少— 主桿，該主桿末賴接—活動支架，該活動支架於相對樞接於該主桿之另 翊设有-第-樞接部，而該主桿中段處拖接至少一活動桿，該活動桿於 相對該主桿之P端設有—第二樞接部，該第—娜部與該第二拖接部間 樞接至乂調整标，至少一動力源，係樞接於該主桿與該第二柩接部間； 一座椅， 樞接部處 »玄座椅下方⑶有至少—連接桿，該連接桿之—端係、連接於該第二 ;以及-驅動輪組’係、包含至少一前輪與至少—後輪，該後輪抱 接於該調整桿末端’而該前輪上方之—前叉管上接設—固定桿，該主桿前 端接設於制雜；藉此，魅桿及騎蚊架、騎動桿無調整桿間 幵y成組連桿機構，藉由該動力源可供控綱組連桿機構間之開合角度， 俾以改魏前輪麟後輪間之軸心、距離，進而碰該鋪之傾斜角度及坐 姿0 本發明目的之-’係在於藉由該組連桿機構，並搭配該動力源之設置， 供控制該組連桿機綱之開合角度，俾以改_前輪與該後輪間之轴心距 離，進而調整錄狀傾斜肖度及鲜，使該麟㈣⑽及低坐姿間進 行切換。 本發明目的之二，係在於該固定桿於相對該前叉管之另一端設有一活 動關節，以供樞設一把手桿，該把手桿與該活動桿間樞接—角度調整桿， 以使該把手桿可配合不同坐姿產生不同之傾斜角度。 201139197 本發明目的之三’係、在於該前輪上設有一馬達組，俾使本發明具有電 動車之功能》 【實施方式】 為便於說明本案於上述發明内容一欄中所表示的中心思想，兹以具體 實施例表達。實施例中各種㈣物件係按適於·之_、尺寸、變形量 或位移量而描繪，而非按實際元件的比例予以繪製，合先敘明。且以下的 說明中’類似的元件是以相同的編號來表示。 • 如第一圖至第三圖圖面所示’本發明係為-種可變轴距輕型載具，該 輕型載具係可為-二輪車或一電動三輪車，主要包括一連桿組、至少— 動力源20、一座椅30、一驅動輪組4〇。 該連桿組_具有至少—主桿彳彳，該主糾係概呈U型，該主桿叫 側間之中段處朝該主桿彳彳末端方向依序設有一固定座糾彳及一橫桿112，且 該主桿11兩側各樞接-支標桿12，而該主桿彳彳末端枢接—活動支架13，該 活動支架13於相對樞接於該主桿Ή之另一端設有一第一樞接部131 :該固 • 定座111供枢接至少一活動桿14,該活動桿14於相對該固定座彳彳彳之另一端 设有一第二樞接部141，該第二樞接部141於相對該活動桿14之另一端樞接 至少一调整桿15，該調整桿15係概呈(J型，該調整桿15兩側間設有一支桿 151 ’以供該第一樞接部131枢設。 該動力源20係可為一線性致動器，該動力源2〇係包含一伸縮桿21，該 伸縮桿21可供活動伸縮’該動力源20於一端樞接於該橫桿112上，而該伸 縮桿21與該調整桿15同軸樞接於該第二枢接部141 ;該動力源20係電性聯 結一控制開關（圖未示），該控制開關可設置於該輕型載具上之任何適當位 201139197 置。 該座椅30下方設有至少一連接桿31，該連接桿31係枢接於該第二樞接 部141相對應該活動桿14處，而該連接桿31相對另一端則供該支撐桿12相 對該主桿11之另一端樞接。 該驅動輪組40係包含至少一前輪41與至少一後輪42，即該驅動輪組40 可由單個該前輪41及二個該後輪42所組成’亦可由二個該前輪41及單個該 後輪42所組成’然而，本案係以單個該前輪41及二個該後輪42為例說明之； 該前輪41上設有一馬達組411 ’以供驅動該前輪41與該後輪42進行前移， 俾使本發明具有電動車之功能；該後輪42樞接於該調整桿15末端，而該前 輪41上方之一前叉管43上接設一固定桿44，該固定桿44於相對該前又管43 之另一端設有一活動關節45，以供樞設一把手桿46 ;該主桿11前端係接設 於該固定桿44内側，而該固定桿44於同側亦接設有一踏板承載桿47，該踏 板承載桿47於兩側分別設有一踏板471 ;該把手桿46與該活動桿14間樞接 一角度調整桿48。 明暸上述結構後，以下係針對本發明之動作及原理作一詳細說明： 如第四圖面所示’係、為本發明呈高坐姿之使用狀態，該主桿彳彳及該活 動支架13、該活動桿14與該調整桿15間形成—組連桿機構，以連接至該後 輪42、該鋪30，以及該前輪41與該把手桿46 ;此種坐姿適用於一般短程 騎乘，仙者於擁擠的市區中採職封，具有較高之車輛可見度， 以增加行駛安全性。 當使用者欲進行長途騎乘時，即可將其調整呈低坐姿，以降低行歇風 阻’並使得個者身體呈現半觀之狀態，提供之舒適度；此時，係 201139197 »· • ·* 藉由該控制開關控制該動力源20，使該伸縮桿21朝内縮回，此時，在該主 桿11為固定不動之情況下，係會使該第二樞接部141往前擺動，並帶動該活 動桿14與該連接桿31 ’以及該調整桿15進行枢轉，使該活動桿14與該連接 桿31間之夾角呈最大角度，並使該支撐桿12、該活動支架13產生連動之作 用，藉此，該前輪41與該後輪42間之軸心距離係會增加，以降低該座椅3〇 之高度，並藉由該支撐桿12調整該座椅30之傾斜角度；此外，該角度調整 桿48爻到s亥活動桿14樞轉亦會產生連動，俾使該把手桿46以該活動關節45 • 為軸心進行向内樞轉，以供使用者握持，如第五圖圖面所示，此時，騎乘 者即可以斜躺式進行騎乘。 而奴將3恤型載具由此低坐姿調整回上述之高坐姿時，係僅需藉由切 換該控制開關，使該伸縮桿21伸出，以頂推該第二拖接部141，使各部在相 反於上述之移動路徑上進行連動，即可恢復至原先高坐姿狀態。 本發月係以電動車作為實施例，因此該馬達組411以及該踏板承載桿47 …亥踏板471為呈現該實施例所需具備之構件，然而’本發明並不偈限於電 Φ動車因此上述之該等構件並非為必備當該輕型載具係為一般踩踏式驅 動者’僅需將該等構件置換為一般自行車踏板即可。 本發月疋以-個最佳實施例作說明，但精於此技藝者能在不脫離本 發明精神盘範略下说：々 ^呼乍各種不同形式的改變。以上所舉實施例僅用以說明本 發明而已，非用以PP座丨 又1本發明之範圍。舉凡不違本發明精神所從事的種種 >文或·^化，彳具屬本發明中請專利範圍。 7 201139197 【圖式簡單說明】 第一圖係為本發明之立體分解圖。 第二圖係為本發明之局部立體分解圖。 第三圖係為本發明之立體組合圖。 第四圖係為本發明第一種使用狀態示意圖。 第五圖係為本發明第二種使用狀態示意圖。 連接桿31 驅動輪組40 前輪41 馬達組411 後輪42 前叉管43 固定桿44 活動關節45 把手桿46 踏板承載桿47 踏板471 角度調整桿48 【主要元件符號說明】 連桿組10 主桿11 固定座111 橫桿112 支撐桿12 活動支架13 第一枢接部131 活動桿14 第二樞接部141 調整桿15 支桿151 動力源20 伸縮桿21 座椅30201139197 VI. Description of the Invention: [Technical Field] The present invention relates to a light-duty vehicle, and more particularly, to a change in the axial distance between the front and rear wheels, in order to adjust the inclination of the seat. 1The sleek seat can be a variable wheelbase light carrier in a normal sitting or reclining position. [Prior Art] According to the practicality and value of the light-duty vehicle, the safety and comfort of the 2-liter wire is not sufficient; (4) The three-wheeled reclining structure is transferred to the frame and installed with the front - The three-wheel structure of the second two, the structure of a transmission and a seat, etc., are the angles of the slanting angles displayed by the staff, so that the county can be used for the trampling and riding of the general sitting and reclining postures. The situation is different. Because the human body is in a normal sitting position, the basin == lying posture is high. Therefore, the speed of immediate response is also faster. Therefore, the road posture is more suitable for the human body (4), because of the age of the heart, Saki-style sitting to avoid the confusion caused by the paste, the tenderness of the money ride, the union caused the body to feel tired and sore. Light-duty trucks and other light-weights are equipped with eight-way vehicles and do not have the function of adjustable angles. Therefore, the road conditions and the demand of the Weier are used to switch between high and touch angles. [Summary of the Invention] 'Comprehensively open first __ shortcomings, generally wrapped in light and light, with only the ability to present Cui 201139197 and without the ability to adjust the angle, therefore, can not match the road conditions and rider demand Switching in the angle of the (4), low sitting position: to solve the above disadvantages, the present invention proposes a variable wheelbase light carrier. The invention relates to a variable wheelbase light carrier, comprising: a connecting rod set having at least a main rod, the main rod end is connected to a movable bracket, and the movable bracket is relatively pivotally connected to the main rod Further, a -th pivotal portion is provided, and at least one movable rod is dragged at the middle portion of the main rod, and the movable rod is provided with a second pivoting portion opposite to the P end of the main rod, and the first and second portions are The second mop portion is pivotally connected to the 乂 adjustment mark, and at least one power source is pivotally connected between the main rod and the second splicing portion; a seat, the pivot portion is below the sinuous seat (3) At least a connecting rod, the end of the connecting rod is connected to the second; and the driving wheel set includes at least one front wheel and at least a rear wheel, the rear wheel is attached to the end of the adjusting rod Above the front wheel, the front fork tube is connected with a fixing rod, and the front end of the main rod is connected to the doping; thereby, the charm pole and the mosquito trap, the riding rod have no adjustment rod 幵 y group linkage mechanism, The power source can be used to control the opening and closing angle between the linkage mechanism of the control group, so as to change the axis and distance between the rear wheels of the front wheel of the Wei, and then touch the inclination angle of the shop. And the sitting position 0 of the present invention is based on the set of linkage mechanisms and the setting of the power source for controlling the opening and closing angle of the set of linkage mechanisms, and changing between the front wheel and the rear wheel. The distance between the axes and the track is adjusted to adjust the inclination and the freshness, so that the Lin (4) (10) and the low sitting posture are switched. The second object of the present invention is that the fixing rod is provided with a movable joint at the other end of the front fork tube for pivoting a handle bar, and the handle bar is pivotally connected with the movable rod - an angle adjusting rod, so that The handlebars can be used to create different angles of inclination for different sitting positions. 201139197 The third object of the present invention is to provide a motor unit on the front wheel, so that the present invention has the function of an electric vehicle. [Embodiment] In order to facilitate the description of the central idea expressed in the column of the above invention, Expressed in the specific examples. In the embodiment, the various (four) objects are drawn according to the appropriate size, size, amount of deformation or displacement, and are not drawn according to the proportion of the actual components, which are described first. In the following description, similar elements are denoted by the same reference numerals. • As shown in the first to third figures, the present invention is a variable wheelbase light carrier, which may be a two-wheeled vehicle or an electric tricycle, and mainly includes a link set, at least — Power source 20, a seat 30, and a drive wheel set 4〇. The connecting rod set _ has at least a main rod 彳彳, the main rectifying system is generally U-shaped, and the main rod is called a fixed seat arranging and a horizontal direction in the middle side of the main rod a rod 112, and the main rod 11 is pivotally connected to the branch rod 12, and the main rod end is pivotally connected to the movable bracket 13 , and the movable bracket 13 is disposed at the opposite end of the main rod The first pivoting portion 131 is configured to pivotally connect at least one movable rod 14 , and the movable rod 14 is provided with a second pivoting portion 141 at the other end opposite to the fixed seat, the second pivot The connecting portion 141 is pivotally connected to the other end of the movable rod 14 to at least one adjusting rod 15 . The adjusting rod 15 is substantially (J type, a rod 151 ' is disposed between the two sides of the adjusting rod 15 for the first pivot The power source 20 is a linear actuator, and the power source 2 includes a telescopic rod 21, and the telescopic rod 21 is movable and retractable. The power source 20 is pivotally connected to the end. The crossbar 112 is disposed, and the telescopic rod 21 is coaxially connected to the adjusting rod 15 to the second pivoting portion 141; the power source 20 is electrically coupled to a control switch (not shown) The control switch can be disposed on any suitable position of the light-weight carrier 201139197. The seat 30 is provided with at least one connecting rod 31, and the connecting rod 31 is pivotally connected to the second pivoting portion 141. The rod 14 is opposite to the other end, and the support rod 12 is pivotally connected to the other end of the main rod 11. The driving wheel set 40 includes at least one front wheel 41 and at least one rear wheel 42, that is, the driving The wheel set 40 can be composed of a single front wheel 41 and two rear wheels 42. It can also be composed of two front wheels 41 and a single rear wheel 42. However, in this case, the front wheel 41 and the two rear wheels 42 are single. For example, the front wheel 41 is provided with a motor group 411 ′ for driving the front wheel 41 and the rear wheel 42 to advance, so that the present invention has the function of an electric vehicle; the rear wheel 42 is pivotally connected to the adjusting rod a fixed end 44 is disposed on the front end of the front fork 41. The fixed rod 44 is provided with a movable joint 45 at the other end of the front tube 43 for pivoting a handlebar 46; The front end of the main rod 11 is fastened to the inner side of the fixing rod 44, and the fixing rod 44 is the same A pedal carrying rod 47 is also disposed on the side, and the pedal carrying rod 47 is respectively provided with a pedal 471 on both sides; the handle rod 46 is pivotally connected with the movable rod 14 by an angle adjusting rod 48. After the above structure is clarified, the following The action and principle of the present invention are described in detail: as shown in the fourth drawing, the system is in a high sitting state, the main pole and the movable bracket 13, the movable rod 14 and the adjusting rod 15 forming a set of linkages for connecting to the rear wheel 42, the shop 30, and the front wheel 41 and the handlebar 46; this sitting position is suitable for general short-distance riding, and the fairy is used in a crowded urban area. The job seal has a high visibility of the vehicle to increase driving safety. When the user wants to take a long-distance ride, he can adjust it to a low sitting position to reduce the wind resistance 'and make the body look half-view and provide comfort; at this time, 201139197 »· • · * The power source 20 is controlled by the control switch to retract the telescopic rod 21 inwardly. At this time, when the main rod 11 is stationary, the second pivot portion 141 is swung forward. And the movable rod 14 is pivoted with the connecting rod 31' and the adjusting rod 15, so that the angle between the movable rod 14 and the connecting rod 31 is at a maximum angle, and the supporting rod 12 and the movable bracket 13 are The interlocking effect is generated, whereby the axial distance between the front wheel 41 and the rear wheel 42 is increased to lower the height of the seat 3, and the inclination angle of the seat 30 is adjusted by the support rod 12. In addition, the pivoting lever 48 is pivoted to the shovel lever 14 to cause the linkage, so that the handlebar 46 pivots inwardly with the movable joint 45 as an axis for the user to hold. As shown in the figure of the fifth figure, at this time, the rider can ride in a reclining manner. When the slave adjusts the three-shirt type carrier to the above-mentioned high sitting posture by the low sitting posture, the telescopic rod 21 is extended only by switching the control switch to push the second drag portion 141 to make the second drag portion 141 Each part is interlocked on the opposite moving path to return to the original high sitting state. The present invention uses an electric vehicle as an embodiment. Therefore, the motor unit 411 and the pedal carrier lever 47 are the components required for presenting the embodiment. However, the present invention is not limited to the electric motor vehicle. These components are not necessary. When the lightweight carrier is a general pedal driver, it is only necessary to replace the components with a general bicycle pedal. The present invention is described in terms of a preferred embodiment, but those skilled in the art will be able to devote various changes in various forms without departing from the spirit of the invention. The above embodiments are merely illustrative of the invention and are not intended to be used in the context of the present invention. All kinds of articles and texts that are not in violation of the spirit of the present invention are included in the scope of patent application in the present invention. 7 201139197 [Simplified description of the drawings] The first figure is a perspective exploded view of the present invention. The second figure is a partial exploded view of the present invention. The third figure is a three-dimensional combination diagram of the present invention. The fourth figure is a schematic diagram of the first state of use of the present invention. The fifth figure is a schematic view of the second state of use of the present invention. Connecting rod 31 Driving wheel set 40 Front wheel 41 Motor group 411 Rear wheel 42 Front fork tube 43 Fixing rod 44 Movable joint 45 Handle lever 46 Pedal load lever 47 Pedal 471 Angle adjustment lever 48 [Main component symbol description] Link rod 10 main rod 11 Fixing seat 111 Crossbar 112 Supporting rod 12 Movable bracket 13 First pivoting portion 131 Movable rod 14 Second pivoting portion 141 Adjusting rod 15 Strut 151 Power source 20 Telescopic rod 21 Seat 30