M319033 w 八、新型說明： 【新型所屬之技術領域】 本創作係有關輪椅上的創新，尤指一種結構組合簡單，在接近手扶把位置就 設計有一實用的輔助機構，不但能使座椅架撐開時取得良好的固定，而且也能 讓折收時更為方便易於操作之輪椅折收改良結構。 【先前技術】 按，輪椅主要是提供老人、或行動不便的人移動搭乘的輔助工具，其大致 為一個可收折椅子，在其兩側前後加設有四個輪子所構成，其中椅子的前輪較 小可用來轉向，而後輪較大邊上並加設有一手推輪，使乘坐者可自力推車前進， 另外後輪上亦加設一剎車桿可將輪體剎止，使其車體固定以方便搬運患者上 下，又椅子的後方設有手扶把，使看僱者可由後持握推車前進，因為輪椅的用 途極為普遍是醫療用品相當重要的產品之一，故歷來己有許多發明改良並獲准 專利。 譬如·我國公告第545230號專利一種可折收式輪椅之結構改良即為一代表 例，其主要係為一椅架前側設有腳座，而後側設有推把及底部設有輪具等構件 者，其特徵在於··該腳座、推把及輪具係樞設於椅架上，且可折靠定位於椅架 適當位置’而崎架訂方條賴有皮絲，並於皮箱套上設有開口，藉此 使其可於輪椅之触形成_置物空間，且當其折收後亦可當為置鋪及行李箱 使用者。 惟，無論其輪椅設計功能為何？因為輪椅在使用上具有-定體積，故目前 市面上所使用的輪椅其骨架大部份都設計成可折收，如此方能有效減少材積便 5 • M319033 w 於車載及居家收藏，但早期習式輪椅手扶手把大都採完全拆離之設計，其不僅 在在應用上造成組裝不便，而且手扶把也容易因拆離而遺失，故較先進的設計 其手扶把已改設成可折收式，譬如我國公告第1 1 6 4 6 7號專利及公告第3 0 8 0 4 9號專利，惟，習式相關類似折彎結構其組合相當複雜，不但製造成 本高且使用上亦十分不便，另外，目前的輪椅其上並無良好辅助折收的設計， 故操作時只能將椅側躺，或是還得用手將座墊部上提，方能使其兩側骨架夾靠 操作十分不便，為其主要缺點。 _ 因鑑於此，本創作者在經多方深入研究改良後，終於研製成功本創作。 【新型内容】 本創作之主要目的，在設計一種結構組合簡單，在接近手扶把位置就設計 有一實用的輔助機構，不但能使座椅架揮開時取得良好的固定，而且也能讓折 收時更為方便易於操作之輪椅折收改良結構。 為達前述目的，本創作所設一種輪椅折收改良結構，其主要包括：一椅座 架，其底部左右設有複數連接样；中間用螺釘樞鎖使之可以活動折收；兩手扶 ，把，係呈L型彎管其一端側設有螺栓可與椅座架鎖接，而另端設在後具橡膠套以 方便手握，以及；一輔助定位桿機構，由多件組成相連橫設於兩手扶把的中段， 其由兩側伸之連桿中間設有相連的樞接部，其上並加設一可滑移的套筒所構 成’該套筒與其中之-連桿間互設有-彈性卡合機構；藉此，該套筒可含蓋於 fe接部外表使整支輔助定位桿機構撲直，而當彈性卡合機構受按時套筒即可 滑移脫離樞接部使辅助定位桿機構可對彎，同時可令椅座架一併簡單收折。 本創作之構伽容及其他特點，將可於_以下配合_之實施例詳細說 明後，而趨於明瞭。 6 M319033 " 【實施方式】 如第1〜5圖所示，本創作所設一種輪椅折收改良結構，其係在椅座架2後 背兩邊上各設有一手扶把1，其特徵在於： 該椅座架2，底部左右設有複數連接桿21、2 2;其中間用螺釘2 3樞鎖 使之可以活動折收； 該兩手扶把1，係呈L型彎管其一端側設有螺栓19可與椅座架2鎖接，而 另端設在後具橡踢套11以方便手握，以及； 馨一輔助定位桿機構3，由多件組成相連橫設於兩手扶把1的中段，其由兩侧 伸之連桿31、3 2中間設有相連的樞接部3 5，其上並加設一可滑移的套筒 3 6所構成，雨該套筒3 6與其中之一連桿3 2間互設有一彈性卡合機構4; 實施時，該兩連桿31、3 2可設呈L形中空狀，而該兩手扶把1中段設 有徑縮插柱15供其緊迫接連，其接連方式可以用膠黏或焊接、或螺絲側鎖等 方式來達成均可，又該兩連桿31、3 2的樞接部3 5，可由兩個設有徑縮插 柱3 51的樞接頭3 5 2，以螺釘3 5 3側鎖固定在兩連桿31、3 2開口上， 鲁該兩植接頭3 5 2另端互設有插片3 5 4及夾片3 5 5，其中間設孔3 5 6供 釘柱3 5 7串樞，另端並以c形扣環3 5 8固定之。 另外’該彈性卡合機構4，可由一連桿3 2其近開口的兩側設有穿孔4 1， 使内部填埋一V形彈片42，於彈片42兩臂外設有凸柱按鈕43 ,以及；在 套筒3 6的相對兩側位上設有穿孔3 61所構成。 藉此’請參第3〜5圖所示，使組成之輪椅正常使用時，該套筒3 6可含 蓋於棍接部3 5的外表，使整支輔助定位桿機構3撐直，而當彈性卡合機構4 受按時’其套筒3 6即可滑移脫離樞接部3 5使辅助定位桿機構3可對彎，透 M319033 過簡單操作即可讓椅座架2—併收折。 另外，其在其操作時有-項重要的技巧，即當手按下彈片4 2的兩臂外凸 柱按钮4 3後’遺套筒3 6在推移時，可完全向右推使整個套筒3 6越過按鈕 43位置’如此即能有效防止套筒3 6在折收手扶把丄時，其不當自行退回所 造成無謂的阻擋’而讓折收操作上更為順利進行ό 綜上所述，本創作所設有效結構精簡實用，其功能遠勝習式，具進步性及 產業利用價值，爰依法提出新型專利申請。 上述之具體實施例是用來詳細說明本創作之目的、特徵及功效，對於熟悉 ►此類技藝之人仕而言，根據上述明，可能對該具體實施例作部份變更及修改， 其本質未脫離出本創作之精神範翁，皆應包含在本案的申請專利範圍中宜 先陳明。 【圖式簡單說明】 第1圖、係本創作之立體組合圖。 第2圖、係本創作之立艘分解圖ό 第3圖、係本創作套筒受推之動作示意圖。 • '第4圖、係本創作辅助定位桿機構彎折之動作示意圖。 第5圖、係本創作之應用例圖。 【主要元件符號說明】 1 手扶把 11 橡膠套 15 插柱 19 螺栓 2 椅座架 2 1 連接桿 22 連接桿 23 螺釘 3 輔助定位桿機構 3 1 連桿 8 M319033 32 連桿 35 樞接部 35 1 插柱 352 樞接頭 3 5 3 螺釘 354 插片 355 夾片 356 孔 357 釘柱 358 C形扣環 36 套筒 36 1 穿孔 4 彈性卡合機構 41 穿孔 42 彈片 43 按鈕M319033 w VIII. New description: [New technical field] This creation is about wheelchair innovation, especially a simple combination of structures. It has a practical auxiliary mechanism near the position of the handlebar, which can not only make the seat frame It is well fixed when it is opened, and it can also make the wheelchair structure and structure improved more easily and easily. [Prior Art] According to the wheelchair, the wheelchair is mainly an auxiliary tool for providing the elderly or the person with limited mobility to move. The chair is roughly a foldable chair, and four wheels are arranged on the front and rear sides thereof, wherein the front wheel of the chair is composed. The smaller one can be used for steering, and the larger side of the rear wheel is equipped with a hand push wheel, so that the occupant can advance the cart by itself, and a brake lever is also added on the rear wheel to brake the wheel body to make the vehicle body It is fixed to facilitate the handling of the patient up and down, and the back of the chair is provided with a hand-held handle, so that the hiring person can be moved forward by the holding cart, because the use of the wheelchair is extremely popular as one of the most important products of medical supplies, so there have been many Invention improved and patented. For example, the structural improvement of a retractable wheelchair is a representative example, which is mainly provided with a foot on the front side of a chair frame, and a pusher on the rear side and a wheel and the like on the bottom. The utility model is characterized in that: the foot seat, the push handle and the wheel set are pivoted on the chair frame, and can be folded and positioned at the appropriate position of the seat frame, and the brace frame is provided with a leather wire and is in the luggage box. The sleeve is provided with an opening so that it can form a storage space in the wheelchair, and can also be used as a storage and luggage user when it is folded. However, regardless of the wheelchair design function? Because the wheelchair has a fixed volume in use, most of the skeletons currently used in the market are designed to be folded, so that the volume can be effectively reduced. 5 • M319033 w for car and home collection, but early practice The design of the handrail of the wheelchair is completely detached, which not only causes inconvenience in assembly, but also the hand-held handle is easily lost due to detachment. Therefore, the hand-held handle of the more advanced design has been changed into a foldable Receipts, such as China's Announcement No. 1 1 6 4 6 7 Patent and Announcement No. 3 0 0 0 9 9 patents, however, the combination of similar bending structures in the relevant formula is quite complicated, not only high in manufacturing cost but also in use. Inconvenience, in addition, the current wheelchair does not have a good auxiliary folding design, so the chair can only be placed on the side of the chair, or the seat cushion can be lifted by hand to clamp the sides of the frame. The operation is very inconvenient and its main drawback. _ In view of this, the creator has finally developed this creation after extensive research and improvement. [New content] The main purpose of this creation is to design a simple combination of structures, and to design a practical auxiliary mechanism close to the position of the handlebar, which not only enables the seat frame to be well fixed when it is opened, but also allows it to be folded. It is more convenient and easy to operate, and the wheelchair is folded and improved structure. In order to achieve the above purpose, the present invention provides a wheelchair folding improved structure, which mainly comprises: a seat frame, a plurality of connection forms are arranged on the left and right sides of the bottom; the middle is locked by a screw to enable the activity to be folded; The L-shaped elbow is provided with a bolt on one end side for locking with the seat frame, and the other end is provided with a rubber sleeve for convenient hand grip, and an auxiliary positioning rod mechanism, which is connected by multiple pieces. In the middle section of the two hand-held handles, there are connected pivotal portions in the middle of the connecting rods extending from both sides, and a sliding sleeve is arranged thereon to form a 'sleeve between the sleeve and the connecting rod There is an elastic engagement mechanism; thereby, the sleeve can cover the outer surface of the fe joint to make the whole auxiliary positioning rod mechanism straight, and when the elastic engagement mechanism is pressed, the sleeve can slide away from the pivot joint The auxiliary positioning rod mechanism can be bent, and the seat frame can be easily folded. The composition and other characteristics of this creation will be explained in detail after the following examples of the cooperation with _. 6 M319033 " [Embodiment] As shown in Figs. 1 to 5, the present invention provides a wheelchair folding improved structure, which is provided with a handle 1 on each of the back sides of the seat frame 2, which is characterized in that: The seat frame 2 is provided with a plurality of connecting rods 21 and 2 2 on the left and right sides of the bottom; the middle portion is pivotally locked by screws 2 3 to be movable and folded; the two hand handles 1 are L-shaped curved tubes and are provided at one end side thereof. The bolt 19 can be locked with the seat frame 2, and the other end is provided with a rubber kick sleeve 11 for convenient hand grip, and the auxiliary one of the auxiliary positioning rod mechanism 3 is composed of a plurality of pieces connected to the two handlebars 1 The middle portion is provided with a connecting pivot portion 35 in the middle of the connecting rods 31 and 3 2 extending from the sides, and a sliding sleeve 3 6 is arranged thereon, and the sleeve 36 is rained therein. One of the connecting rods 3 2 is provided with an elastic engaging mechanism 4; in practice, the two connecting rods 31, 3 2 can be formed in an L-shaped hollow shape, and the middle portion of the two handlebars 1 is provided with a diameter reducing pin 15 for In a continuous manner, the connection manner can be achieved by means of adhesive or welding, or screw side lock, etc., and the pivoting portion 35 of the two links 31, 32 can be provided with two paths. The pivot joint 3 5 2 of the telescopic column 3 51 is fixed to the opening of the two connecting rods 31 and 32 by the side of the screw 3 5 3 , and the two ends of the two joints 3 5 2 are provided with inserts 3 5 4 and The clip 3 5 5 is provided with a hole 3 5 6 for the post 3 3 7 string pivot, and the other end is fixed by a c-shaped buckle 3 5 8 . In addition, the elastic engaging mechanism 4 can be provided with a perforation 4 1 on both sides of a proximal end of the connecting rod 3 2 , and a V-shaped elastic piece 42 is embedded therein, and a convex column button 43 is disposed outside the two arms of the elastic piece 42 . And a plurality of perforations 3 61 are formed on opposite sides of the sleeve 36. Therefore, as shown in the figures 3 to 5, when the wheelchair is composed in normal use, the sleeve 36 can cover the outer surface of the stick portion 35, so that the entire auxiliary positioning rod mechanism 3 is straightened. When the elastic engaging mechanism 4 is pressed, the sleeve 3 6 can be slid away from the pivoting portion 3 5 so that the auxiliary positioning rod mechanism 3 can be bent, and the M319033 can be easily operated to allow the seat frame 2 to be closed. fold. In addition, it has an important skill in its operation, that is, when the hand presses the two-arm outer column button 4 3 of the elastic piece 4 2, the left sleeve 3 6 can be pushed completely to the right when the sleeve 3 is pushed. The position of the tube 3 6 over the button 43 can effectively prevent the sleeve 36 from being unnecessarily blocked when it is folded over by the hand, and the folding operation is smoother. As mentioned, the effective structure of this creation is simple and practical, its function is far superior to the formula, with progressive and industrial use value, and a new type of patent application is proposed according to law. The specific embodiments described above are intended to clarify the purpose, features, and effects of the present invention. For those skilled in the art, it is possible to make partial changes and modifications to the specific embodiments. Those who have not left the spirit of this creation should be included in the scope of the patent application in this case. [Simple description of the diagram] Figure 1 is a three-dimensional combination of the creation. Fig. 2 is an exploded view of the original ship of the present invention. Fig. 3 is a schematic diagram of the action of the creation sleeve. • 'Fig. 4 is a schematic diagram of the action of the bending of the positioning lever mechanism. Figure 5 is a diagram showing the application of this creation. [Main component symbol description] 1 Handlebar 11 Rubber sleeve 15 Insert 19 Bolt 2 Seat frame 2 1 Connecting rod 22 Connecting rod 23 Screw 3 Auxiliary positioning rod mechanism 3 1 Connecting rod 8 M319033 32 Connecting rod 35 pivoting part 35 1 Post 352 Pivot joint 3 5 3 Screw 354 Insert 355 Clip 356 Hole 357 Stud 358 C-shaped clasp 36 Sleeve 36 1 Perforation 4 Elastic snap mechanism 41 Perforation 42 Shrapnel 43 Button