M283622 八、新型說明： 【新型所屬之技術領域】 本新型是有關於一種避震裝置，特別是指一種電動輪 椅之前輪避震裝置。 【先前技術】 一般電動輪椅適用於輔助行動不便或有肢體障礙人士 自由行動，所以電動輪椅除於一般室内使用之外’亦可於 戶外或街道上行駛，但一般街道上之路面通常較室内之地 面巔跛，乘坐於電動輪椅舒適度較差，且如遇坑洞或有凸 出物時，亦可能因重心過高造成傾斜的危險。 因此，本新型創作人設計一創新之避震裝置，以增加 電動輪椅之舒適度及穩定性。 【新型内容】 〜因此，本新型之目的即在提供—種可以增加舒適度及 穩定性之電動輪椅之避震裝置。 於是，本新型電動輪椅之前輪避震裝置，組裝於所述 電動輪椅之-底盤及二前輪間，底盤具有—水平之架框及 一由該架框前端往下延伸之支架，該電 电助輪％之刖輪避震 ▲置包…中央樞設於所述底盤之架框前端之輪桿，及 二裝設於該底盤及輪桿間之避震器。該輪桿呈左右水平延 伸狀，且輪桿兩端分別組裝所述前輪。該等避震器之底端 樞接於所述底盤之支架底端並分別往左右兩側斜上延伸， 且頂端分別樞接於該輪桿兩相反端部。 【實施方式】 M283622 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-個較佳實施例的詳細說明中，將可 清楚的呈現。 參閱圖1與圖2，本新型電動輪椅之前輪避震裝置之較 佳實施例適用組裝於所述電動輪椅之一底盤21及二前輪22 間，底盤21具有-水平之架框211、一由該架框2ιι前端 往下延伸之支架212，及-由該支架212底端前緣往前延伸 之固疋桿213。該電動輪椅之前輪避震裝置包含··一固定於 該底盤21丽端之樞接件3 ' 一樞設於該樞接件3上之輪桿 4、一分佈固定於該輪桿4及底盤21上之樞耳單元$，及2 固定於該輪桿4及底盤21間之避震器g。 該樞接件3具有一直立平貼焊固於底盤21之架框 前端的固接板31、一由固接板31頂緣向前延伸之連接板 32、一由該連接板32前緣向下延伸之輔助板33，及一穿伸 過該固接板31及辅助板33之樞軸螺絲34。亦即該拖接件 3固定於該架框211前端且其前後之縱切面是呈门字型。 該輪桿4呈左右水平延伸狀並橫置過該樞接件3之固 接板Μ與輔助板33間，且輪桿4之中央部位被該拖轴螺 絲34穿設，使輪桿4樞設於所述底盤21之架框a。前端。 而该輪桿4兩端分別組裝所述前輪22。 該樞耳單元5具有二固定於所述底盤21之固定桿 兩側之下柩耳、组51，及二分別固定於該輪才旱4❺端部之上 樞耳組52。 該等避震器6之底端分別柩接於該等下樞耳組，且 M283622 頂端分別樞接於該等上枢耳、组52。亦即該等避震器 所述底盤21之固定桿213兩側分別往左右兩側斜上延^以 頂抵於該輪桿4兩端。該等避震器6負載恆抵抗壓縮及拉 伸之彈力，以緩衝該等前輪22所引起之震動。M283622 VIII. Description of the new type: [Technical field to which the new type belongs] The present invention relates to a shock absorbing device, particularly a front wheel shock absorbing device for an electric wheel chair. [Previous technology] General electric wheelchairs are suitable for assisting people with mobility impairments or physical disabilities to move freely. Therefore, in addition to general indoor use, electric wheelchairs can also be used outdoors or on the street. The ground is rugged, and the comfort of riding in an electric wheelchair is poor. In the case of potholes or protrusions, there may be a risk of tilting due to the high center of gravity. Therefore, the new creator designed an innovative suspension device to increase the comfort and stability of the electric wheelchair. [New content] ~ Therefore, the purpose of this new model is to provide a suspension device for electric wheelchairs that can increase comfort and stability. Therefore, the front wheel shock absorber of the novel electric wheelchair is assembled in the -chassis and the two front wheels of the electric wheelchair. The chassis has a horizontal frame and a bracket extending downward from the front end of the frame. Wheel percent of the wheel suspension shock ▲ set the package ... the wheel lever centrally arranged at the front end of the frame of the chassis, and two shock absorbers installed between the chassis and the wheel lever. The wheel lever extends horizontally from left to right, and the two ends of the wheel lever are respectively assembled with the front wheels. The bottom ends of the shock absorbers are pivotally connected to the bottom ends of the brackets of the chassis and extend obliquely to the left and right sides, respectively, and the top ends are respectively pivotally connected to two opposite ends of the wheel lever. [Embodiment] M283622 The foregoing and other technical contents, features, and effects of the present invention will be clearly presented in the following detailed description of a preferred embodiment with reference to the drawings. Referring to FIGS. 1 and 2, a preferred embodiment of the front wheel shock absorber of the novel electric wheelchair is suitable for assembling between one of the chassis 21 and two front wheels 22 of the electric wheelchair. The chassis 21 has a horizontal frame 211 and a frame. A bracket 212 extending downward from the front end of the frame 2m, and a fixing rod 213 extending forward from the front edge of the bottom end of the bracket 212. The front wheel shock absorbing device of the electric wheelchair includes a pivot member 3 ′ fixed to the beautiful end of the chassis 21, a wheel lever 4 pivotally provided on the pivot member 3, and a wheel rod 4 and a chassis fixed and distributed. A pivot ear unit $ on 21, and 2 a shock absorber g fixed between the wheel lever 4 and the chassis 21. The pivotal member 3 has a fixing plate 31 that is fixed to the front end of the frame frame of the chassis 21 in an upright and flat manner, a connecting plate 32 that extends forward from the top edge of the fixing plate 31, and a connecting plate 32 The auxiliary plate 33 extends downward, and a pivot screw 34 passes through the fixed plate 31 and the auxiliary plate 33. That is, the dragging member 3 is fixed to the front end of the frame 211 and the longitudinal section of the front and back is in a gate shape. The wheel lever 4 is horizontally extended horizontally and passes horizontally between the fixing plate M and the auxiliary plate 33 of the pivot member 3, and the central part of the wheel lever 4 is penetrated by the drag screw 34 to make the wheel lever 4 pivot A frame a provided on the chassis 21. front end. The front wheels 22 are assembled at two ends of the wheel lever 4 respectively. The lug unit 5 has two lugs, a group 51, and two lugs 52 fixed on the ends of the wheel 4 and the lugs 51, respectively. The bottom ends of the shock absorbers 6 are respectively connected to the lower pivot ear groups, and the top ends of M283622 are pivotally connected to the upper pivot ears and groups 52, respectively. That is to say, the two sides of the fixing rod 213 of the chassis 21 of the shock absorber extend obliquely to the left and right sides respectively to abut against the two ends of the wheel rod 4. The shock absorbers 6 are loaded with a constant resistance to compression and extension of the elastic force to buffer the vibration caused by the front wheels 22.
藉此，當所述電動輪椅行駛於道路上時，該等前輪U 如圖3所示地遇顛簸之路面或有凹陷或凸出之障礙時，會 造成該輪桿4以該樞軸螺絲34為軸心樞擺，此時該等避^ 器6 -邊頂抵，一邊拉伸而具避震效果，以消除因地面不 平所引起之輪桿4晃動，以避免所述前輪22震動傳遞至底 盤21上’降低底盤21之震動程度，增加所述電動輪椅之 舒適度。此外’呈傾斜狀之該等避震_ 6的設計可縮短輪 桿4與該固定桿213間之距離，降低底盤21之高度設計， 以使所述電動輪椅之重心降低，增加其穩定性。 綜上所述，本新型電動輪椅之避震裝置利用該等傾斜 之避震器6以消除該輪桿4因地面顛簸所引起之晃動，以 增加所述電動輪椅之舒適性，且將該等避震器6傾斜設置 以降地整體底盤21之重心增加穩定性，故確實可達到本新 型之目的。 惟以上所述者，僅為本新型之較佳實施例而已，當不 能以此限定本新型實施之範圍，即大凡依本新型申請專利 範圍及新型說明内容所作之簡單的等效變化與修飾，皆仍 屬本新型專利涵蓋之範圍内。 【圖式簡單說明】 圖1是本新型電動輪椅之前輪避震裝置之較佳實施例 M283622 的立體分解圖； 圖2是該較佳實施例的前視圖；及 圖3是類似於圖2之視圖，說明二前輪壓抵於不平之 路面時之情形。 M283622 【主要元件符號說明】 21 底盤 33 輔助板 211 架框 34 樞軸螺絲 212 支架 4 輪桿 213 固定桿 5 樞耳單元 22 前輪 51 下梅耳組 3 才區接件 52 上樞耳組 31 固接板 6 避震器 32 連接板Therefore, when the electric wheelchair is traveling on the road, when the front wheels U encounter bumpy roads or have depressions or protrusions as shown in FIG. 3, the wheel lever 4 will be caused by the pivot screw 34. It is the pivot of the axis. At this time, the shock absorbers 6-abut against each other and stretch at the same time, have a shock absorption effect to eliminate the shaking of the wheel lever 4 caused by uneven ground, so as to prevent the vibration of the front wheel 22 from being transmitted to On the chassis 21, the degree of vibration of the chassis 21 is reduced, and the comfort of the electric wheelchair is increased. In addition, the design of the shock absorbers 6 that are inclined can shorten the distance between the wheel lever 4 and the fixed lever 213, and reduce the height design of the chassis 21, so as to reduce the center of gravity of the electric wheelchair and increase its stability. To sum up, the shock absorber of the new electric wheelchair uses the inclined shock absorbers 6 to eliminate the shaking of the wheel lever 4 caused by the ground bumps, so as to increase the comfort of the electric wheelchair, and The shock absorber 6 is tilted to lower the center of gravity of the overall chassis 21 to increase stability, so the purpose of the present invention can be achieved. However, the above are only the preferred embodiments of the new model. When the scope of implementation of the new model cannot be limited in this way, that is, the simple equivalent changes and modifications made according to the scope of the patent application and the description of the new model, All are still covered by the new patent. [Brief description of the drawings] FIG. 1 is an exploded perspective view of a preferred embodiment M283622 of the front wheel shock absorber of the novel electric wheelchair; FIG. 2 is a front view of the preferred embodiment; and FIG. 3 is a view similar to FIG. A view explaining the situation when the front wheels of the second wheel are pressed against the uneven road. M283622 [Description of main component symbols] 21 Chassis 33 Auxiliary plate 211 Frame 34 Pivot screw 212 Bracket 4 Wheel lever 213 Fixing rod 5 Pivot ear unit 22 Front wheel 51 Lower mel group 3 Zone connector 52 Upper pivot ear group 31 fixed Extension plate 6 Shock absorber 32 Connection plate