M243424 捌、新型說明： 【新型所屬之技術領域】 本新型係關於一種變速車，特別指一種具無段變速功 能之無段變速車。 【先前技術】 現有之電動腳踏車或電動機車，由於大多不具無段變 速功能，故雖能於平地保持一定速度行駛，然於具一定坡 度之坡面則有攸坡困難甚至無法上爬之窘境，往往需藉騎 乘者本身之輔助出力，而增加騎乘者之體力負#，對於兒 童、老年人或其他體弱者尤屬不便。 【新型内容】 因此，本新型之目的，是在提供一種具無段變速功能 而可同時適用於平地及坡面行駛之無段變速車。 於是，本新型之無段變速車，包括：一車體；一車輪 ，樞設於該車體以該帶動該車體；一驅動裝置，樞設於該 車體而於文致動後可於一角度内前後傾轉，該驅動裝置並 具有輸出動力之輸出軸；一控制裝置，設於該車體以致 動該驅動裝置於該角度内前後傾轉；一主動皮帶輪，套設 於"亥輸出軸以隨該輸出軸旋轉，而具有相對之一第一半侧 輪體及一可沿該輸出軸軸向滑動之第二半侧輪體，該第一 及第二半側輪體相向侧各形成一對稱斜面；一彈性件，設 於該輸出軸以施予該第二半側輪體朝該第一半側輪體方向 之彈力’ 一被動皮帶輪，用以帶動該車輪旋轉；及一皮帶 ’同時套設於該主動及被動皮帶輪，以於該主動及被動皮 4 M243424 帶輪間傳遞動力。 藉 n驅動裝置運轉之際，ϋ該控制裝 置令該驅 動裝置前後傾轉，可蚀# + ^ ^ j使该主動皮帶輪之第二半侧輪體受該 皮▼之壓制而相對沿該輸出軸軸向滑動，以改變該主動皮 帶輪與該皮帶之接觸位置不同半徑而提供無段變速傳動效 果。 【實施方式】 有關本新型之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一較佳實施例的詳細說明中，將可清 10 楚的明白。 如圖1、2所不，本新型無段變速車之較佳實施例係以 電動腳踏車為例，而主要包括：一車體i、槐設於車體i 之前後兩車輪21及22、一驅動裝置3、一控制裝置4、一 主動皮帶輪5、-彈性件6、-被動皮帶輪7及一皮帶8。 15 ㈣其他變化财，該無段變速車亦可為其他動力及型式 之車輛。 除另有述及外，車體1及前後兩車輪21及22與現有 °又汁相同。車體1具有左、右兩握把Π，及一供應驅動裝 置3電力之蓄電池12。兩車輪21及22中後車輪22係受驅 〇 動裝置3驅動旋轉以帶動車體1前進，前車輪21則作為轉 向之用。 本實施例中驅動裝置3為一電動馬達，其底部樞設於 車體1之一固定架13上，使驅動裝置3於受致動後可於一 角度内前後傾轉，驅動裝置3並具有一朝外延伸而輸出動 5 力之輪出軸31。 控制裝置4係類似現有機車或腳踏車之煞車控制機制 而由騎乘者（圖未示）致動車體丨之其中一握把u後，引 ^金屬線體41沿刚後方向帶動驅動裝置3頂部之一連接 座32 ’以致動驅動3於上述之一角度内前後傾轉。由 ;控制裝置4細部構造可參考現有機車、腳踏車之煞車控 制機制’於此不另詳述。 10 15 主動皮帶輪5套設於驅動裝置3之輸出軸31，以隨輸 出轴3!同步旋轉。主動皮帶輪5具有相對稱之—第一半侧 輪體5卜及一套設於第一半側輪體51之一凸軸5ΐι而可沿 凸軸5U之軸向滑動之第二半側輪體52,第一及第二半侧 輪體51、52相向側並各形成一對稱斜面5ii、521。本實施 例中彈件6為-套设於凸軸511而位於第二半侧輪體52 外側之壓縮彈簧，其外端固定而内端則頂抵於第二半側輪 體52外緣，以施予第二半側輪體52㈣一半側輪體51方 20 向之彈力’以壓緊皮帶8使其不打滑。彈性件6外部並罩 覆-外蓋6卜使彈性件6於—般操作下不直接外露。 被動皮帶輪7與後車輪22同軸接設，用以接收來自驅 動裝置3之輸出動力而帶動後車輪22旋轉。皮帶8則沿前 後方向延伸而同時套設於主動及被動皮帶輪5、7,以於主 動及被動皮帶輪5、7間傳遞動力。 藉由上述構造，本新型無段變速車之操作，於一般平 地行駛時’如圖卜2所示，驅動裝置3輸出之動力將經主 動皮帶輪5、皮帶8、㈣皮帶輪7傳遞至後車輪22,而使 6 =1以-相對較高之轉速前進；而於斜坡行駛時，騎乘 者可如前述致動車體丨之—握把u，而如圖3、4所示使驅 動裝置3連同主動皮帶輪5共同略朝前傾轉，而由於皮帶8 長度為固定，故於主動皮帶# 5朝前傾轉過程中，第二半 側輪體52將受皮帶8之壓制而相對沿驅動裝置3之輸出轴 31軸向外侧滑動，進而將主動皮帶輪5與8與皮帶8實際 接觸位置之半徑，調整至較圖卜2所示平地行駛下半徑略 10 少’使經由皮帶8所傳遞之被動皮帶輪7及後車輪22之轉 速相對降低，亦即提高相對地面之扭力而便於爬坡。 是故，本新型揭示一種具無段變速功能之車輛，其藉 簡單之構造及操作方式即可達成無段變速效果，可同時適 用於平地及坡面穩定行駛而無須增加騎乘者額外體力負擔 ，實為一具功效增進之新穎設計。 15 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明書内容所作之簡單等效變化與修飾，皆應 仍屬本發明專利涵蓋之範圍内。 【囷式簡單說明】 20 圖1為本新型無段變速車於平地狀態之較佳實施例側 視不意圖； 圖2為該較佳實施例於平地狀態之部份構件後視示意 圖3為該較佳實施例於爬坡狀態之部份構件側視示意 圖；及 7 M243424 圖4為該較佳實施例於爬坡狀態之部份構件後視示意 M243424 【圖式之主要元件代表符號說明】 1 車體 21、22 車輪 3 驅動裝置 4 控制裝置 5 主動皮帶輪 6 彈性件 7 被動皮帶輪 8 皮帶 11 握把 12 蓄電池 13 固定架 31 輸出軸 51 第一半側輪體 511 凸軸 52 第二半側輪體 511 > 521斜面 61 外蓋M243424 新型 Description of new models: [Technical field to which new models belong] This new model relates to a transmission, especially a stepless transmission with a stepless transmission. [Previous technology] Existing electric bicycles or electric motorcycles, because most of them do not have a stepless speed change function, although they can maintain a certain speed on flat ground, but on a slope with a certain slope, it is difficult to climb or even unable to climb. Often, the rider's own assistance is required to increase the rider's physical strength #, which is particularly inconvenient for children, the elderly or other infirm people. [New content] Therefore, the purpose of this new model is to provide a continuously variable transmission vehicle with a continuously variable transmission function that can be applied to both flat and slope driving. Therefore, the new stepless speed-changing vehicle includes: a car body; a wheel pivoted on the car body to drive the car body; a driving device pivoted on the car body and can be used after being actuated. The drive device tilts back and forth within an angle, and the drive device has an output shaft for outputting power. A control device is provided on the vehicle body to actuate the drive device to tilt back and forth within the angle. An active pulley is set at " The output shaft rotates with the output shaft, and has an opposite first half wheel body and a second half wheel body slidable axially along the output shaft. The first and second half wheel bodies are opposite to each other. Each forms a symmetrical bevel; an elastic member is provided on the output shaft to impart elastic force of the second half-wheel body toward the first half-wheel body; a passive pulley for driving the wheel to rotate; and The belt 'is sleeved on the active and passive pulleys at the same time to transmit power between the active and passive leather 4 M243424 pulleys. When the n driving device is running, the control device causes the driving device to tilt forward and backward, which can etch # + ^ ^ j so that the second half of the wheel body of the driving pulley is pressed by the leather ▼ and relatively along the output shaft Axial sliding to change the radius of the contact position between the driving pulley and the belt to provide a stepless transmission effect. [Embodiment] The foregoing and other technical contents, features, and effects of the present invention will be clearly understood in the following detailed description of a preferred embodiment with reference to the drawings. As shown in Figures 1 and 2, the preferred embodiment of the new stepless speed change vehicle is an electric bicycle as an example, and mainly includes: a body i, the two wheels 21 and 22, and The driving device 3, a control device 4, a driving pulley 5, an elastic member 6, a passive pulley 7, and a belt 8. 15 ㈣Other changes, the stepless speed change car can also be a vehicle of other power and type. Unless otherwise mentioned, the body 1 and the front and rear wheels 21 and 22 are the same as the existing °. The vehicle body 1 has left and right grips Π, and a storage battery 12 for supplying power to the driving device 3. The rear wheels 22 of the two wheels 21 and 22 are driven and driven by the driving device 3 to drive the vehicle body 1 forward, and the front wheels 21 are used for turning. In this embodiment, the driving device 3 is an electric motor. The bottom of the driving device 3 is pivoted on a fixing frame 13 of the vehicle body 1 so that the driving device 3 can be tilted back and forth within an angle after being actuated. The wheel-out shaft 31 is extended outward to output 5 forces. The control device 4 is similar to the brake control mechanism of an existing locomotive or bicycle, and a rider (not shown) actuates one of the handlebars of the vehicle body, and the lead wire body 41 drives the drive device 3 in the rearward direction. One of the top connecting seats 32 ′ is used to actuate the drive 3 to tilt back and forth within one of the above angles. The detailed structure of the control device 4 can refer to the brake control mechanism of existing locomotives and bicycles', which is not described in detail here. 10 15 The driving pulley 5 is set on the output shaft 31 of the driving device 3 to rotate synchronously with the output shaft 3 !. The driving pulley 5 has a symmetric shape—the first half-side wheel body 5 and a set of a second half-wheel body that is provided on one of the convex shafts 5 of the first half-side wheel body 51 and can slide along the axial direction of the convex shaft 5U. 52. The first and second half-side wheel bodies 51, 52 are opposite to each other and each forms a symmetrical inclined surface 5ii, 521. In this embodiment, the elastic member 6 is a compression spring sleeved on the convex shaft 511 and located outside the second half-side wheel body 52. The outer end is fixed and the inner end abuts against the outer edge of the second half-side wheel body 52. The second half-side wheel body 52 ㈣ half-side wheel body 51 is applied with an elastic force 20 in the 20 direction to compress the belt 8 so as not to slip. The elastic member 6 is externally covered and covered with an outer cover 6 so that the elastic member 6 is not directly exposed under normal operation. The passive pulley 7 is coaxially connected with the rear wheel 22, and is used for receiving the output power from the driving device 3 to drive the rear wheel 22 to rotate. The belt 8 extends in the front-rear direction and is sleeved on the active and passive pulleys 5, 7 at the same time, so as to transmit power between the active and passive pulleys 5, 7. With the above structure, the operation of this new type of stepless speed changing car, when driving on flat ground, as shown in Fig. 2, the power output from the driving device 3 will be transmitted to the rear wheels 22 via the active pulley 5, the belt 8, and the belt pulley 7. So that 6 = 1 advances at a relatively high speed; while driving on a slope, the rider can actuate the vehicle body as described above-the grip u, and make the driving device 3 as shown in Figs. 3 and 4 Together with the driving pulley 5, it is tilted slightly forward, and because the length of the belt 8 is fixed, during the tilting of the driving belt # 5 forward, the second half-side wheel body 52 will be pressed by the belt 8 and relatively move along the driving device. The output shaft 31 of 3 slides axially outward, thereby adjusting the radius of the actual contact position between the driving pulleys 5 and 8 and the belt 8 to be slightly less than the radius of the flat ground shown in Fig. 2 under the flat terrain. The rotation speeds of the pulleys 7 and the rear wheels 22 are relatively reduced, that is, the torque relative to the ground is increased to facilitate climbing. Therefore, the present invention discloses a vehicle with a stepless speed change function, which can achieve the effect of stepless speed change by simple structure and operation, and can be suitable for stable driving on flat ground and slopes without increasing the extra physical burden on the rider. It is a novel design with enhanced efficiency. 15 However, the above are only preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited in this way, that is, simple equivalent changes and modifications made according to the scope of the patent application and the content of the invention specification, All should still fall within the scope of the invention patent. [Brief description of the style] 20 Figure 1 is a side view of the preferred embodiment of the new stepless transmission in the flat state. Figure 2 is a schematic view of the rear view of some components of the preferred embodiment in the flat state. Side view of some components of the preferred embodiment in a climbing state; and 7 M243424 Figure 4 is a rear view of some components of the preferred embodiment in a climbing state. M243424 [Description of the main components of the diagram] Car body 21, 22 Wheels 3 Driving device 4 Control device 5 Active pulley 6 Elastic member 7 Passive pulley 8 Belt 11 Grip 12 Battery 13 Mounting frame 31 Output shaft 51 First half side wheel body 511 Male shaft 52 Second half side wheel Body 511 > 521 bevel 61 cover