TWI327466B

TWI327466B -

Info

Publication number: TWI327466B
Application number: TW96128348A
Authority: TW
Original assignee: Kwang Yang Motor Co
Priority date: 2007-08-02
Filing date: 2007-08-02
Publication date: 2010-07-21
Also published as: TW200906375A

Description

1327466 九、發明說明：【發明所屬之技術領域】本發明是關於一種電動輪桉用於電動輪椅的行進操作，而具右桿裝置，尤指一種應裝置設計。〃易拆裝维護保養之搖桿【先前技術】按，輪椅的乘坐使用，主要坐其上，而可以藉由輪椅的移動不於打的人士乘之移動…目前的輪椅結構當中，：行的身體能隨 ”，而/具有動力裝置及搖桿裝置加以控制之 U而可以搖桿裝置操作動力裝㈣轉馬達可正轉或反轉，以及可使動力裝置之制哭以护制@干裝置麵控輪椅下方之控 H 馬4,而能操作輪椅前進、後退、左轉或右轉配合參看第五圖及第六圖所示，其為目前所常見之輪椅的搖桿裝置，其具有一基座（7〇)，於基座：二中形成—容置空間’基…〇)内壁面上形成一内凸環 (71)内凸％(7 "下側之内壁面上形成數道圓弧形縱向適當長度的定位肋（72)，定位肋（72”頁端形成頂部（7 2 〇 )，頂部（7 2 0 )至内凸環（7 !) 間形成一間距’間距内側即為基I ( 7 0 )内壁面，該搖桿裝置具有-軸桿（78)㈣於基座（7〇)的容置空間中’其係於轴桿（7 8 )上套設一握把（9 〇 )、一環 4 1327466 圈（79l)、一彈簧（79)及一帽套（7?)，輻β (78)下緣以樞軸（？6)樞設一樞接塊（？5) 干接塊（75)周緣以另-樞軸呈9 ◦度的樞設在1座’樞 4)中，於基座（70)頂端設置一蓋板（73) ( 7 ⑺）及轴座（74)可由基座（7〇)下側置二：椁空間中，並且置入-固定板（8〇)加以緊固，:置 (8 0 )及内凸環（7丄）可夾持軸座（7 * )。弋板1327466 IX. Description of the Invention: [Technical Field] The present invention relates to an electric rim for traveling operation of an electric wheelchair, and has a right lever device, especially a device design.摇Easy to disassemble and maintain the rocker [Prior Art] Press, the wheelchair is used, mainly on it, and can be moved by the person who does not move the wheelchair... The current wheelchair structure: The body can follow, and / with the power device and the rocker device to control the U and can be operated by the rocker device (4) the motor can be rotated or reversed, and the power device can be cautious to protect @干The device controls the H horse 4 under the wheelchair, and can operate the wheelchair forward, backward, left turn or right turn. Referring to the fifth and sixth figures, it is a commonly used rocker device for a wheelchair, which has A pedestal (7 〇) is formed on the inner wall surface of the pedestal: two-accommodating space 'base 〇〇), and an inner convex ring (71) is formed in the inner convex surface (7 " the inner wall surface of the lower side is formed The circular arc-shaped longitudinally appropriate length of the positioning rib (72), the positioning rib (72" page end forms the top (7 2 〇), the top (7 2 0) to the inner convex ring (7!) form a spacing 'interval inside That is, the inner wall of the base I (70), the rocker device has a shaft (78) (four) on the base (7〇) In the accommodating space, it is sleeved on the shaft (7 8 ) with a grip (9 〇), a ring 4 1327466 lap (79l), a spring (79) and a cap (7?), and the radii β ( 78) The lower edge pivots (?6) to pivot a block (?5). The periphery of the dry block (75) is pivoted at 9 degrees to the other pivot. A cover plate (73) (7 (7)) and a shaft seat (74) are disposed at the top of the base (70) and can be placed on the lower side of the base (7) by two: in the space, and placed in a fixed plate (8 inches). Fastening: the set (8 0 ) and the inner convex ring (7丄) can clamp the shaft seat (7 * ).

導槽（8 1 )尺寸大於定位肋（7 2 )，固），由下往上置入基座（70) t，是先以導槽（8〇) 定位肋（72)外圍進行位移，直到軸座（卜於内㈣（…處，再以工具旋轉固定板（把靠於槽（81)脫離定位肋（72)，而讓固定板使導緣能抵靠在定位肋（72)頂部（72〇) )底此一搖桿裝置的組合結構，雖可藉由不動。 =基座（7〇)中旋轉角度使其固定，然而，固^0) ^的組合、拆卸’卻因為固定板（8〇) =(8 緊緻，而必需藉由特殊工具才能加以固力邦常立，造:一搖桿裝置之維修保養不易㊉行，見於拆仃*敦與緩又非常容易損壞零組件之缺、、過程中，件之缺點，而為工作人員所詬病。The guiding groove (8 1 ) is larger in size than the positioning rib (7 2 ), and is placed into the base (70) t from the bottom to the top, and is displaced by the periphery of the guiding groove (72) of the guiding groove (72) until The shaft seat (in the inner (four) (..., then the tool is rotated to fix the plate (the groove (81) is released from the positioning rib (72), and the fixing plate enables the leading edge to abut against the top of the positioning rib (72) ( 72〇)) The combined structure of the rocker device at the bottom can be fixed by the rotation angle of the pedestal (7〇), however, the combination and disassembly of the solid ^0) ^ is due to the fixed plate (8〇) = (8 compact, but must be used by special tools to build a strong state, made: a rocker device is not easy to maintain, it is easy to damage the components The shortcomings, the shortcomings of the process, and the defects of the staff, and the staff are criticized.

【發明内容J 本發明設計目的在於，提行維護保養的「電動輪椅的搖^ 種方便拆裝，置」，其能用及容易進手直接組 5 /40() 裝，及可藉由-般工具撬開蓋板而取出，以方便進行保養工作。為達成上述目的之結構特徵及技術内容，本發明「電 1輪椅的搖桿裝置」，其具有蓋板、基座、軸座、搖桿組 1及底板’該基座内部形成容置空間，且基座中設置轴座，座上樞設一搖桿組件，其中，該基座内壁面上形成一卡 A -構該卡勾機構卡擎該轴座，以令極設於轴座上的搖桿組件定位於基座上。該卡勾機構係於基座内壁面上形成—内環圈，該内環圈上設置有卡勾。藉此設計，而在組裝電動輪椅的搖桿裝置_，搖桿組。又於基座中，可以卡勾機構卡掣住軸座，達到不需藉由工具，即可方便快速及穩固的組裝功效。 3 、該基座Θ冑面上更形成一階層音P，階層部Θ面下緣形成％牆，該環牆對應於卡勾處設置至少一個嵌槽。該階二邛供蓋板疋位’且該蓋板内部設置一穿1，於蓋板下側又置至v -道抵壓板，抵壓板與基座之喪槽形成相對而能插入其中。藉此設计，而在組裝電動輪椅的搖桿裝置時，以蓋板底端所5又置的抵壓板插入基座嵌槽中側推卡勾，使卡勾能更進—步的卡掣於軸座周緣，更能達到卡固的效果。進步於蓋板的穿孔内壁面上設置一缺口，藉此設 #而在進行拆卸之維護保養時，只要用—般工具前端插 :盍板内壁面所設置之缺口’即能迅速的撬開蓋板及取出設置在基座内部的零組件，達到易於拆卸及方便維護保養 1327466 功效。【實施方式】配合參看第一圖口足弟四圖所示，1 輪椅的搖桿裝置」，敌 ’、中，本發明厂電動其r / 1 η ，基座（1 0 ) 基座（1〇)底她#麥 π Ν 氐又置—底板（2 '人〇)中設置一鉍卜 (40)上樞設一搖椁遣、4〇)，軸座置空間（1 1 )，其中： I 1 0 )内部形成容有一基座（1 上設置一蓋板（50)，〇 0 ) ’以及在基座（SUMMARY OF THE INVENTION The present invention is designed to provide maintenance and maintenance of "electric wheelchairs, easy to disassemble, and set up", which can be used easily and directly into the group 5 / 40 (), and can be - The tool is removed from the cover to facilitate maintenance work. In order to achieve the structural features and technical contents of the above object, the present invention provides a "rocker device for an electric wheelchair" having a cover, a base, a shaft base, a rocker set 1 and a bottom plate. And a rocker assembly is arranged on the base, wherein a rocker assembly is pivoted on the base, wherein a card A is formed on the inner wall surface of the base, and the hook mechanism is mounted on the axle seat so as to be disposed on the axle seat. The rocker assembly is positioned on the base. The hooking mechanism forms an inner ring on the inner wall surface of the base, and the inner ring is provided with a hook. By this design, while assembling the rocker device _, the rocker set of the electric wheelchair. In the pedestal, the hook mechanism can be clamped to the shaft seat, so that the assembly function can be conveniently and quickly and stably provided without the use of tools. 3. A layer of sound P is formed on the surface of the base, and a lower wall is formed on the lower edge of the layer, and the ring wall is provided with at least one slot corresponding to the hook. The step 2 is provided for the cover clamp' and the cover is internally provided with a through 1 and is placed on the lower side of the cover to the v-channel resisting plate. The resisting plate is inserted into the slot of the base and can be inserted therein. With this design, when assembling the rocker device of the electric wheelchair, the pressing plate which is placed at the bottom end of the cover plate 5 is inserted into the side of the base slot to push the hook, so that the hook can be further advanced. On the circumference of the shaft seat, the effect of the clamping can be achieved. A gap is formed on the inner wall surface of the perforation of the cover plate, thereby providing a #, and in the maintenance of the disassembly, the front end of the tool can be quickly opened by using the front end of the tool: The board and the components disposed inside the base are easy to disassemble and easy to maintain 1327466. [Embodiment] Referring to the figure shown in Figure 4, the rocker device of the wheelchair, the enemy's, the middle, the invention electrician its r / 1 η, the base (10) base (1 〇) bottom her #麦π Ν 氐置 — 底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板底板 2 2 2 2 底板底板底板I 1 0 ) The internal formation has a base (1 is provided with a cover plate (50), 〇0) 'and at the base (

基座（1 係於基座（1 環圈（1 6 ) 端外緣可為圓該基座（1 〇部（1 2 )内對應於卡勾（ (4 0 )設置軸座（4 0 ) 件定位於基座上述蓋板Base (1 is attached to the base (1 ring) (1 6 ) The outer edge of the end can be rounded to the base (1 〇 (1 2 ) corresponds to the hook ( ( 4 0 ) sets the shaft seat (4 0 ) The piece is positioned on the base cover

〇)内壁面上形成一卡 ◦)内壁面上形成？卡勾機構上”有二環圈（16)，該内二 15) ’該卡勾（15)頂弧面（亦可為斜面）而形成導引面（151)， )内壁面上更形成—階層部（1 2 )，階層面下緣形成-環牆（1 3 )，環牆（工3 ) 15)處設置至少一個嵌槽（14)，軸座於基座（10)中，使卡勾（15)卡掣於頂端，以令樞設於軸座（4 0)上的搖桿組 (1 0 )上。 (5〇)内部設置一穿孔（5 1)，於蓋板 (50)下側設置至少一道抵壓板（52)，抵壓板（5 2)與基座（1 〇)之嵌槽（j 4)形成相對而能插入其中’並於穿孔（4 1)内壁面上設置〆缺口（53)，當盍板（50)安裝定位於階層部（1 2)時’可利用工具 7 1327466 插入缺口（5 3)中，加以快速拆卸蓋板（5 0)。上述軸座（40)内部設置一穿孔（41)，軸座（4 0)置放在基座（10)的内環圈（16)上。所述之搖桿組件包括一握把（60)、一軸桿（30) 及一樞接塊（34)，於軸桿（30)上套設一環圈（5 7)，且於軸桿（30)表面套設一彈簧（56)，軸桿 (3 0 )下緣套設一帽套（5 4 )，軸桿（3 0 )底端設置一定位座（3 2)。上述樞接塊（3 4 )内部設置一穿孔（3 5 )，軸桿 (30)下緣穿過穿孔（35)，並以一框軸（36)穿設，使軸桿（3 0 )下緣樞設於穿孔（3 5 )中，樞接塊 (34)藉由一樞軸（37)樞設於軸座（40)穿孔（4 1 )中。於搖桿組件的軸桿（3 0 )表面可套設一膠套（5 8 )，膠套（58)可作為防塵用途。上述軸桿（30)底端設置定位座（32)，是在定位座（32)上端形成一凸部（33)，凸部（33)插入軸桿（3 0 )底端並以一樞軸（3 1 )穿設加以定位。所述之基座（10)周面設置固定肋（101)，以及底板（2 0)周緣形成相對於固定肋（1 0 1 )之翼片 (2 1 )，而可以螺絲穿設加以螺合固結。所述之軸桿（30)下緣套設一轴套（55)，軸套 (5 5 )置於帽套（5 4 )與軸桿（3 0 )之間，該帽套 (54)底端形成抵靠凸部（541)，抵靠凸部（54 8 1327466 ) 1)底面形成弧面，、 , 以及軸座（40)頂端之穿孔（4 1 周緣形成傾斜面（49、 r / Γ Λ 、 ^ 、，帽套（54)的抵靠凸部（5 41)底面可抵靠於軸& (40)之傾斜面（42)上，〇) A card is formed on the inner wall surface) is formed on the inner wall surface? The hook mechanism has a two-ring ring (16), the inner two 15). The hook (15) has a top curved surface (which may also be a bevel) to form a guiding surface (151), and the inner wall surface is further formed - The hierarchical part (1 2 ), the lower edge of the hierarchical surface is formed - the ring wall (1 3 ), and the ring wall (work 3) 15) is provided with at least one recessed groove (14), and the shaft is seated in the base (10) to make the card The hook (15) is clamped at the top to pivot on the rocker set (10) on the axle seat (40). (5〇) A through hole (5 1) is provided inside the cover (50) At least one pressing plate (52) is disposed on the lower side, and the pressing plate (52) is opposite to the groove (j4) of the base (1 〇) and can be inserted into the inner wall surface of the perforation (4 1). The notch (53), when the fascia (50) is mounted and positioned on the level portion (1 2), can be inserted into the notch (5 3) by the tool 7 1327466, and the cover plate (50) can be quickly disassembled. A through hole (41) is disposed inside, and the shaft seat (40) is placed on the inner ring (16) of the base (10). The rocker assembly includes a grip (60) and a shaft (30). And a pivoting block (34), a ring (5 7) is sleeved on the shaft (30), A spring (56) is sleeved on the surface of the shaft (30), a cap (5 4 ) is disposed on the lower edge of the shaft (30), and a positioning seat (32) is disposed at the bottom end of the shaft (30). A pivoting hole (3 5 ) is disposed inside the pivoting block (3 4 ), and a lower edge of the shaft (30) passes through the through hole (35) and is pierced by a frame shaft (36) to make the shaft (3 0 ) The edge pivot is disposed in the through hole (35), and the pivot block (34) is pivoted in the hole (4) of the shaft seat (40) by a pivot (37). The shaft of the rocker assembly (30) The surface can be sleeved with a rubber sleeve (5 8 ), and the rubber sleeve (58) can be used for dustproofing. The bottom end of the shaft (30) is provided with a positioning seat (32), and a convex portion is formed at the upper end of the positioning seat (32). (33), the convex portion (33) is inserted into the bottom end of the shaft (30) and positioned by a pivot (3 1 ). The base (10) is provided with a fixing rib (101) on the circumferential surface thereof, and The periphery of the bottom plate (20) forms a fin (2 1 ) with respect to the fixing rib (1 0 1 ), and can be screwed and screwed and fixed. The lower edge of the shaft (30) is sleeved with a sleeve. (55), the sleeve (5 5 ) is placed between the cap (5 4 ) and the shaft (30), and the bottom end of the cap (54) is formed to abut The convex portion (541) abuts against the convex portion (54 8 1327466) 1) the bottom surface forms a curved surface, and the perforation at the top end of the shaft seat (40) (the edge of the 4 1 edge forms an inclined surface (49, r / Γ 、 , ^ , The bottom surface of the abutting protrusion (53) of the cap (54) can abut against the inclined surface (42) of the shaft & (40).

而彈箸（56)頂端抵於環圈（57)、彈簧（56)底端則抵於帽套（5 4 )，故以手操作握把（6 0 )帶動轴梓（3 0 )偏擺角&，可以帽套（5 4 )之抵靠凸部（5 4 1 )抵壓車由座（4 〇 )傾斜面（4 2 )所產生的反作用力去壓縮彈簧（56) ’而當鬆手之後，彈簧（56)壓縮的回復力可回推帽套（5 4 )，使軸桿（3 0 )能回復到垂直狀態。上述底板（2 〇 )上設置具有感應元件之電路板電路板設於底板（20)上，並由凸柱（2〇 1)所定位，以及在定位座（3 2)中設置控制用的感應元件，感應元件可為霍爾感應器 '線圈、重力方向感測器或其他可相對作用之感應元件’該重力方向感測器則是使用freescale 么司所販售的編號黯A7260Q之G-Sensor，其為三轴方向感應，而當軸桿（3 〇 )偏擺角度時，可使定位座（3 2 ) 中的感應元件與底板（2 〇 )面上所設置的感應元件相對作用’而能驅動電動輪椅中所設置的數個馬達造成左右二輪的轉速差，使電動輪椅能進行前後左右之位移操作。本發明組合步驟，是先將定位座（3 2 )設置於軸桿 (3 0)底端，再將樞接塊（34)樞設在軸桿（3〇) 下緣’再以樞軸（37)將樞接塊（34)樞設在軸座（4 0)中’而可將其由上往下置入基座（1 〇)的容置空間 9 (11)中，蕤ώ ! ) Γ n 2r a卡勾（1 5 )頂端外緣的導引面（丄5 丄）c囫弧面或叙二、緣可側向樓門^ 順利的使轴座（4◦)周可受到卡勾幵勾（1 5 )，並於經過卡勾（1 5 )之後， c Ί η , Λ 15)勾設軸座（40)周緣且抵靠於基座、丄υ)内環圈（置於基座（10」用蓋板（50)設 2)可许頂端，使盍板（50)底端之抵壓板（5 J 基座（1〇)的㈣（14”，^進一此的側推卡勾（]ςy T "，v 進^ 於軸座（40)用餘’使卡勾（15)能更為穩固的卡掌及二〇”（56)、環圈（川、膠套（… 底端，完成及將底板（20)固設於基座（1〇) 凡攻搖#裝置的組合裝設。又’本發明進行維護保養時把（6 0 )、膠套“ Q、》巧料了先拆下握及帽套（54二58用）广圈（57) '彈簧（56) 缺口（53) “ 用一般工具前端插入蓋板（50) 中向上撬動，使蓋板（5 〇 )麻 (52)可由嵌槽（…… 〇)底、的抵壓板再撥開卡勾（i 5) 坂（5 0 )，〇)周緣的側向切，如此而15)施鬆開對於轴座“ ,.± 卞革如此’而可以撥開卡勾（7 ς、吏軸桿（3〇)連同轴），位座（sm 插接塊（34)及定 )此整個向上抽出’如此，而能方裝置之維護保養工作。進仃搖桿口此，經由上述結構特徵、技術内容及組細說明，可清楚看出本發明設計之特點在於：#卸之詳 1327466 提供一種易於組合拆卸之「電動輪椅的榣桿裝置，其軸桿'定位座及樞接的樞接塊及軸座，可直接置入美座的容置空間中，使基座内壁面上所設置的卡勾可鉤住軸座’並以盍板底端之抵壓板插入基座嵌槽中，而能穩固的完成基座内部之零組件的組合，且其拆解進行維護保養，只要以一般工具前端插入蓋板缺口中加以撬開，即能迅速的取出設置於基座内部之零组件，因此，本發明設計，可達到易於拆裝組合之絕佳功效，而能方便搖桿裝置進行維護保養工作。【圖式簡單說明】第一圖本發明立體分解圖》第二圖本發明組合剖視圖。第三圖本發明進行搖桿裝置操作之實施例剖視圖。第四圖本發明進行搖桿裝置操作之實施例另—視角剖視圖。The top end of the magazine (56) abuts against the ring (57), and the bottom end of the spring (56) abuts the cap (5 4 ), so the hand grip (60) drives the shaft yoke (30) Angle &, the cap (5 4 ) can resist the reaction force generated by the seat (4 〇) inclined surface (4 2 ) against the convex portion (5 4 1 ) to compress the spring (56)' After releasing the hand, the restoring force of the spring (56) compression can push back the cap (5 4 ), so that the shaft (30) can return to the vertical state. A circuit board having a sensing element disposed on the bottom plate (2 〇) is disposed on the bottom plate (20), and is positioned by the protruding post (2〇1), and a sensing sensor is disposed in the positioning seat (32) The component, the sensing component can be a Hall sensor 'coil, a gravity direction sensor or other oppositely acting sensing element'. The gravity direction sensor is a G-Sensor numbered A7260Q sold by Freescale. It is a three-axis direction induction, and when the shaft (3 〇) is yawed, the sensing element in the positioning seat (32) can be made to act against the sensing element provided on the bottom plate (2 〇) surface. It can drive several motors installed in the electric wheelchair to cause the difference between the left and right wheels, so that the electric wheelchair can perform the front, rear, left and right displacement operations. The combination step of the invention is that the positioning seat (32) is first set at the bottom end of the shaft (30), and then the pivoting block (34) is pivoted on the lower edge of the shaft (3〇) and then pivoted ( 37) The pivoting block (34) is pivoted in the shaft seat (40) and can be placed from the top to the bottom in the receiving space 9 (11) of the base (1 〇), 蕤ώ ! ) Γ n 2r a hook (1 5 ) the leading edge of the outer edge of the top edge (丄5 丄) c囫 arc surface or the second side, the edge can be laterally facing the door ^ smoothly make the shaft seat (4◦) week can be affected by the card Hook the hook (1 5 ), and after passing the hook (1 5 ), c Ί η , Λ 15) hook the circumference of the shaft seat (40) and abut the base, 丄υ) inner ring (placed The base (10" is provided with a cover plate (50) 2) to allow the top end to be pressed against the bottom plate of the raft (50) (5 pedestal (1 〇) (4), 14 into the side push Hook (] ς y T ", v into ^ shaft seat (40) with the rest 'make the hook (15) can be more stable palm and two" (56), ring (chuan, rubber sleeve ( ... the bottom end, complete and fix the bottom plate (20) to the base (1〇) where the combination of the device is installed. Also, the maintenance of the present invention (6 0) The rubber sleeve "Q," is skillfully removed first and the cap (54 for 58) wide circle (57) 'spring (56) notch (53) "Use the general tool front end to insert the cover (50) up Move the cover (5 〇) hemp (52) from the bottom of the groove (... 〇), and then pull the hook (i 5) 坂 (5 0 ), 〇) the lateral cut of the circumference, so And 15) the release of the shaft seat ",.± 卞 leather so" can be opened the hook (7 ς, 吏 shaft (3 〇) together with the shaft), the seat (sm plug block (34) and The whole design of the invention is characterized in that: The details of 1327466 provide an easy-to-assemble disassembly of the "electrical wheelchair mast device, the shaft' positioning seat and the pivotal pivoting block and the shaft seat, which can be directly placed in the accommodating space of the pedestal, so that the pedestal is The hook provided on the wall can hook the shaft seat' and insert the pressing plate at the bottom end of the sill into the pedestal slot, and can stably complete the zero group inside the pedestal. The combination of the parts, and the disassembly thereof for maintenance, can be quickly removed from the components disposed inside the base by simply inserting the front end of the general tool into the gap of the cover plate, so that the design of the present invention can be easily removed. The utility model has the excellent effect of assembling the assembly, and can conveniently carry out the maintenance work of the rocker device. [Simplified illustration of the drawing] The first figure is an exploded perspective view of the present invention. The second figure is a sectional view of the combination of the present invention. A cross-sectional view of an embodiment of the operation. Fig. 4 is a cross-sectional view showing an embodiment of the operation of the rocker device of the present invention.

第五圖：習用輪椅的搖桿裝置之組合示意圖（一）第六圖：習用輪椅的搖桿裝置之組合示意圖（二）【主要元件符號說明】 (10)基座 (1〇1)固定肋 (1 2 )階層部 (14)嵌槽 (1 5 1 )導引面 (1 1 )容置空間 (13)環牆 (1 5 )卡勾 (1 6 )内環圈 11 1327466Figure 5: Combination diagram of the rocker device of the conventional wheelchair (1) Figure 6: Combination diagram of the rocker device of the conventional wheelchair (2) [Explanation of main components] (10) Base (1〇1) fixing rib (1 2) Level section (14) Insert groove (1 5 1 ) Guide surface (1 1 ) Housing space (13) Ring wall (1 5 ) Hook (1 6 ) Inner ring 11 1327466

(1 7 )間隙 (2 Ο 1 )凸柱 (21)翼片 (3 1 )樞轴 (3 3 )凸部 (3 5 )穿孔 (3 7 )樞軸 (4 1 )穿孔 (5 0 )蓋板 (5 2 )抵壓板 (5 4 )帽套 (5 5 )軸套 (5 7 )環圈 (6 0 )握把 (7 1 )内凸環 (7 2 0 )頂部 (7 4 )軸座 (7 6 )枢轴 (7 8 )軸桿 (7 9 1 )環圈 (81)導槽 (2 0 )底板 (3 0 )軸桿 (3 2 )定位座 (3 4 )樞接塊 (3 6 )極軸 (4 0 )車由座 (4 2 )傾斜面 (5 1 )穿孔 (5 3 )缺口 (5 4 1 )抵靠凸部 (5 6 )彈簧 (5 8 )膠套 (7 0 )基座 (7 2 )定位肋 (7 3 )蓋板 (7 5 )樞接塊 (7 7 )帽套 (7 9 )彈簧 (8 0 )固定板 (9 0 )握把 12(1 7) Clearance (2 Ο 1) Tab (21) Tab (3 1 ) Pivot (3 3 ) Projection (3 5 ) Perforation (3 7 ) Pivot (4 1 ) Perforation (5 0 ) Cover Plate (5 2 ) abutting plate ( 5 4 ) cap (5 5 ) bushing (5 7 ) ring (60) grip (7 1 ) inner ring (7 2 0) top (7 4) shaft seat (7 6 ) Pivot (7 8 ) Shaft (7 9 1) Ring (81) Guide groove (20) Base plate (3 0) Shaft (3 2 ) Positioning seat (3 4 ) Pivot block (3 6) Polar axis (40) car is pierced by the seat (4 2 ) inclined surface (5 1 ) (5 3 ) notch (5 4 1 ) against the convex part (5 6 ) spring (5 8 ) rubber sleeve (7 0 Base (7 2 ) positioning rib (7 3 ) cover plate ( 7 5 ) pivot block (7 7 ) cap (7 9 ) spring (80) fixing plate (90) grip 12

Claims

1327466 X. Patent application scope: 1. A rocker device for an electric wheelchair, which has a cover plate, a base, a shaft seat, a rocker assembly and a bottom plate. The base is internally formed and the shaft is arranged in the seat. a rocker assembly is provided on the shaft seat, and is characterized in that: the earth wall surface of the base is shaped like a __t. ^ A into a hook mechanism, and the hook mechanism is engaged with the shaft seat to make (4) The rocker assembly on the axle housing is positioned on the base.

The rocker device of the electric wheelchair according to the first aspect of the invention, wherein the hook mechanism is formed on the inner wall surface of the base, and the inner ring is provided with a hook. 3. The rocker device of the electric wheelchair according to the second paragraph of claim 2 further forms a layer portion on the inner wall surface of the base of the sea, and the inner edge of the inner surface of the layer portion forms a ring wall, and the ring wall corresponds to the hook portion. At least one slot. 4. The rocker device of the electric wheelchair according to claim 3, wherein the layer portion is positioned for the cover plate, and the cover plate is internally provided with a through hole, and at least one pressing plate is disposed on the lower side of the cover plate, and the pressing plate is provided. It can be inserted into the opposite side of the groove of the base. 5, as claimed in claim 2, in the rocker device of the electric wheelchair of claim 2, wherein the outer edge of the top end of the hook forms a guiding surface. 6 ' As shown in the patent application scope, the rocker of the electric wheelchair of the first aspect of the invention is provided with a notch on the inner wall surface of the perforation of the cover plate 4+ ’. 7. The rocker assembly of the electric wheelchair according to claim 1, wherein the rocker assembly comprises a grip, a shaft and a pivoting block, and a ring is arranged on the shaft + the trunk, and the shaft is arranged on the shaft The surface is provided with a spring 'shaft lower edge 13 1327466, a set of towel i sets, a bottom end of the shaft is provided with a positioning seat, and the pole piece is internally arranged - the perforation 'the lower edge of the shaft passes through the perforation, and a pivot is arranged. The lower edge of the shaft is pivoted in the through hole of the splicing block, and the pivoting block is pivoted in the hole of the shaft seat by a pivot. 8. The rocker device of the electric wheelchair according to claim 7, wherein the bottom end of the cap is formed to abut against the convex portion, the curved surface is formed against the bottom surface of the convex portion, and the perforated periphery of the top end of the shaft seat forms an inclined surface. Abut against the inclined surface against the bottom surface of the convex portion. 9. The rocker device of the electric wheelchair according to the invention of claim 1, wherein the base surface of the base is provided with a fixing rib, the bottom end of the base is provided with a bottom plate, and the periphery of the bottom plate forms a fin relative to the fixing rib, and the towel can be screwed through. Set to screw and consolidate. The cradle device of the electric wheelchair according to the seventh or ninth aspect of the invention, wherein the bottom plate is provided with a plurality of sensing elements for control, and an inductive element for controlling is provided in the positioning seat. XI. Schema: as the next page 14