M343478 八、新型說明： 【新型所屬之技術領域】 ， 轉型係提供給傳統或無動力之病床的行動輔助裝置 • ，^卜111定於絲上的驅動單元上設有可以隱沒及伸 出著地、並兼具有上下彈性位移之緩衝作用的驅動輪，使 能夠以動力方式取代人力而移動病床者。 * 【先前技術】 : -般我們所周知的電動病床，除了可提供病床做高低 •、靠背傾斜及床墊曲折等調整動作外，有的甚至本身還能 提供移動行走的能力’不過該類的病床等級高、價格昂貴 ’只在較為特殊的場合才會使㈣，㈣統或無提供走行 動力的電動病床，在移動病床時，都是必須藉由人力推動 移行，但由於操作的護理人員大多數是女子，所以對於重 量較重的病床，若再加上體重較重的病患時，一個護理人 員是非常難以將病床推動的，故必須至少要有兩個以上的 濩理人員格配合作，才能順利地移動病床，並穩定地控制 _ 病床的行走及轉彎。 【新型内容】 . 緣是，為了改善前述傳統病床欲進行移動時的不便及 耗力等問題，本新型所採行的技術手法，係病床上至少固 設一驅動單元，而該驅動單元又包括了一驅動組及一起落 缓衝組，其中該驅動組係包括一具有可被驅動旋轉之驅軸 上軸樞設一自由端末設有可被帶旋轉的驅動輪之起落元件 ’並禮起落緩衝組上設一可被帶動各自旋轉的螺桿與驅套 ，且令該螺桿上螺設一可被帶動而沿一預定方向直線位移 M343478 令驅部容設於驅套上所設之預 上均円並令驅套一端經由驅臂連結一緩衝元件 妙;2:該緩衝元件的另一端又與-第-連結元件連結， 亥第—連結元件的另一端又固設於一套設固定一 連:於=?:轉軸’最後再令該第二連結元件的另-端 、驅套、驅；=使，由前述螺桿的轉動而經由驅件 落元件末媳ί㈣疋件及第-、二連結元件，而帶動起 凡件末^驅動輪離地或著地者。 ，而:轉:=:=驅;單元係可設置於-轉向單元上 固定盤上軸設— 床二固定盤，並令 因此，孩山轉動及用故置驅動平元的轉盤者。 即可在起落、二f述本新型之驅動單元附設於病床上後， m 、且的驅使下而令驅動輪著地後，再藉由驅 動驅動輪的轉動，進而讓病床可 = 障况下而改由動力驅使移動。 ⑧費人力的 但是二i述:新型之起落緩衝組上所設的緩衝元件，不 動不=更是一吸收衝擊的元件，即當壤 —仏 千的地面時，可藉由該緩衝元件的_ 、百和病床的震動及增加病床移動的舒適性者。 人，别上述本新型的驅動單元可藉由轉向單 邊進而可以改變病床進行不同方向的移二早-而改 以’本新财藉由下觸實施例並配合附圖，而_ 于充勿的了解，並據以實施·· 又 【實施方式】 M343478 敬請參閱第一圖所示，本新型輔助病床移動的裝置， 主要係包括一可以固於病床上的轉向單元1及一可設置在 1 轉向單元1上的驅動單元2,其中該轉向單元1又如第二 • 、三及四圖所示，係包括一可固定於病床上的固定盤11， 並令固定盤11中間設一軸部111及稍外侧處固設一齒條 • 112，復設一轉盤12套於該軸部111上（請再配合第五圖 • 所示），並被固定於軸部111端末的擋板121擋止住，而 φ 使轉盤12不會脫離出轴部111上，且在該轉盤12的預定 處固設一其出力轴設裝設有齒輪122的驅動器123，並使 該齒輪122與上述之齒條112嚙合，令可藉由驅動器123 驅使齒輪122沿著齒條112移走，進而令轉盤12產生預期 方向的轉動。 另，該驅動單元2請配合第四、六及七、八圖所示， 主要係包括一起落緩衝組A及一驅動組B，其中該驅動組 B係為一固定於轉向單元1上之轉盤12的固定座21，並令 p 該固定座21兩侧固設有可供一驅軸22穿設的軸套211， 且令該驅軸22與一固定在轉盤12上的驅動器20之出力軸 軸端銜接，復又設一自由端處軸設有驅動輪23的起落元件 24,而使起落元件24的另一端兩侧在套設另一軸套241後 • ，再令該軸套241套入前述的軸套211上，讓起落元件24 可以在驅軸22上自由地上、下擺動而不受驅軸22轉動的 影響，同時又令驅軸22上固設一鏈輪221，而起落元件24 上軸設驅動輪23之軸上亦固設一鏈輪231，然後兩鏈輪221 及231之間則經由一鏈條繞設而連動。 7 M343478 此外，請再參閱弟七、八及九、十圖所示’在前述固 定座21另一端固設另一出力軸端設有齒輪251的驅動器 25 ,並又在驅動器25旁侧軸設一末端設有與前述齒輪251 响合之齒輪261的螺桿26 ’且該螺桿26係軸設於一軸設 在固定座21的驅套27内，使螺桿26與驅套27可各自轉 動而互不影響，同時在螺桿26上螺合套設一驅件262，而 續驅件262伸設一驅部263，並使驅部263穿設於驅套27 上所設之具有預定執跡的導槽271中，然後再令驅部263 的末端處又係穿合於一固定在固定座21上之一導塊265上 所設的導槽内’最後令驅部263的端末結合於一感位元件 266上；復’上述驅套27的一端伸出固定座21外後，與 一驅臂281之一端固接在一起，並令驅臂281的另一端又 與一缓衝元件28連結，而該缓衝元件28可為一氣壓棒者 ，然後再令缓衝元件28的另一端再與一第一連結元件282 之一端連結，且使第一連結元件282的另一端固設於一軸 設在固定座21上的一轉軸29上，而該轉軸29上另外又固 設一第二連結元件291，並再使第二連結元件291的另一 端連結於一中間連結元件292之一端，進而又令中間連結 元件292的另一端與起落元件24之轴設端的連結部242上 〇 因此’請參閱弟八、九及十、^ 圖所示，該驅動單 元2藉由轉向單元1之固定盤11固定於病床底面預定處， 而當欲使病床移動時，即可令驅動器25經由齒輪251,261 帶動螺桿26轉動’進而使驅件262依預定方向而沿著螺桿 8 M343478 26做直線的移動，並在驅件262移動時，其驅部265因係 容設於驅套27所設的導槽271中，而迫使驅套27發生轉 — 動後，使如第十二圖所示，讓其末端的驅臂281轉擺而帶 • 動緩衝元件28,使緩衝元件28另一端的第一連結元件282 帶動轉軸的轉動，進而再帶動第二連結元件291經由中間 • 連結元件292去驅使起落元件24擺轉，讓起落元件24自 • 由端處的驅動輪23下擺而著地，，然後藉由驅動器20帶 φ 動驅軸22而透過鏈輪221，231及鏈條，驅使驅動輪23轉 動而牽動病床移行；故承載病患而顯得沈重的病床，在上 述移動輔助裝置的驅使下，可讓護理人員對於病床的移動 操作更為容易及省力。 復請再參閱第十三圖所示，當驅動輪23在地面上滾行 移動的過程中，若遭遇到凹凸不平之地面的阻礙時，該驅 動輪23也會因緩衝元件28之彈性伸縮的作用，讓驅動輪 23具有彈性起伏的作用，所以即使驅動輪23在遭遇到凹 _ 凸不平的地面時，令其仍能與地面保持良好的接觸力外， 更令驅動輪23具有緩衝的作用，而讓病床發生不適的跳動 現象得以獲得緩和。 其次，又如第一及十四圖所示，病床除了可做縱向的 ^ 行進移動外，還可藉由驅動器123而令齒輪12沿著齒條 112繞移，使轉盤12產生預期的轉動，進而讓驅動單元2 亦隨之迴轉，令驅動輪23迴轉至預定的方向，故可帶動病 床做橫向或特定方向的移動，所以讓病床在進行的放置位 置的移動時，可以做更精準或細微之毫不費力的調整。 9 M343478 儘管，上述的實施例已對本新型有較佳之具體化的揭 露與詳述，皆為熟悉該項技術人士者所能清楚了解，而其 ' 所做的各種型式及方法局部的改變，應都是沒有脫離本新 * 型精神與範疇。 【圖式簡單說明】 * 第一圖係本新型的立體示意圖。 ^ 第二圖係本新型的立體分解示意圖。 Φ 第三圖係本新型的另一方向立體分解示意圖。 第四圖係本新型的底視圖。 第五圖係第四圖的x_x斷面剖視圖。 第六圖係第四圖的Y-Y斷面剖視圖。 第七圖係本新型之驅動單元的立體分解示意圖。 第八圖係本新型之驅動單元另一方向的立體分解示意圖。 第九圖係第四圖的Z-Z斷面剖視圖。 第十圖係本新型的側面剖視圖。 _ 第十一圖係本新型的侧面示意圖。 第十二圖係本新型之驅動輪伸出的狀態示意圖。 第十三圖係本新型之驅動輪的緩衝示意圖。 第十四圖係本新型之驅動單元轉向的作動示意圖。 1 轉向單元 11 固定盤 111 轴部 112 齒條 12 轉盤 121 擋板 122 齒輪 123 驅動器 ' 【主要元件符號說明】 M343478 2 驅動單元 A 20 驅動器 21 22 驅轴 221 23 驅動輪 231 241 軸套 242 251 齒輪 26 262 驅件 263 265 導塊 266 271 導槽 28 282 第一連結元件 291 第二連結元件 292 中間連結元件 起落緩衝組 B 驅動組 固定座 211 轴套 鏈輪 222 鍵條 鏈輪 24 起落元件 連結部 25 驅動器 螺桿 261 齒輪 驅部 264 限轉部 感位元件 27 驅套 缓衝元件 281 驅臂 29 轉轴M343478 VIII. New description: [New technical field] The transformation system provides the mobile auxiliary device for the traditional or non-powered bed. The ^111 is set on the drive unit of the wire and can be hidden and extended. And a driving wheel having a cushioning action of elastic displacement of the upper and lower sides, so that the person who can move the bed can be replaced by power. * [Prior Art]: - As we all know, electric beds can provide adjustments such as height, backrest tilt and mattress twists, and some can even provide the ability to move and walk. The bed is of high grade and expensive. 'Only in more special occasions, (4), (4) or no electric bed to provide mobility, when moving the bed, it is necessary to promote mobility by manpower, but due to the operation of the nursing staff Most of them are women, so for a heavier bed, if a patient with a heavier weight is added, it is very difficult for a nursing staff to push the bed. Therefore, at least two or more caregivers must cooperate. In order to smoothly move the bed, and stably control the walking and turning of the bed. [New content] The reason is that in order to improve the inconvenience and labor in the conventional bed to move, the technical method adopted by the present invention is to fix at least one driving unit on the hospital bed, and the driving unit includes a driving group and a falling buffer group, wherein the driving group includes a lifting element having a driving end that can be driven to rotate, and a free end is provided with a driving wheel that can be rotated, and the lifting and lowering buffer The set is provided with a screw and a driving sleeve which can be driven to rotate, and the screw is screwed to be linearly displaced in a predetermined direction by the M343478, so that the driving part is disposed on the driving sleeve. And the other end of the cushioning element is connected to the first-connecting element, and the other end of the connecting element is fixed in a set and fixed one at a time: =?: the shaft 'finally re-elects the other end of the second connecting element, the driver sleeve, the drive; =, by the rotation of the screw, through the drive member, the end of the element (4) and the first and second connecting elements, And drive the end of the piece ^ drive wheel Ground or landed. , and: turn: =: = drive; unit can be set on the - steering unit on the fixed plate axis - bed two fixed disk, and therefore, the child is turned and used to drive the flat turntable. After the driving unit of the new type is attached to the hospital bed, the driving wheel is driven by the m and the driving wheel, and then the driving wheel is rotated, so that the bed can be under the obstacle condition. Instead, the power is driven to move. 8 labor force, but the second: the buffer element set on the new type of landing buffer group, not moving = is more an impact-absorbing component, that is, when the soil is a thousand-thousand ground, the buffer element can be used The vibration of the bed and the bed and the comfort of the bed. People, not the above-mentioned driving unit of the new type can change the bed to change the direction of the bed in two directions by turning to one side - and change to 'this new money by lowering the embodiment and matching the drawing, and _ Understand and implement according to the implementation method · M343478 Please refer to the first figure, the device for moving the auxiliary bed, mainly includes a steering unit 1 which can be fixed on the hospital bed and one can be set in 1 The drive unit 2 on the steering unit 1, wherein the steering unit 1 is further provided as a second, third and fourth figure, comprising a fixed disk 11 fixed to the hospital bed, and a shaft portion is arranged between the fixed disk 11 111 and a slightly externally fixed rack • 112, a set of 12 turntables is set on the shaft portion 111 (please cooperate with the fifth figure), and is fixed to the end of the shaft portion 111 of the baffle 121 Stopping, and φ causes the turntable 12 to not disengage from the shaft portion 111, and a drive 123 having a gear 122 mounted on the output shaft is fixed at a predetermined position of the turntable 12, and the gear 122 is coupled to the tooth The strip 112 is engaged so that the gear 122 can be driven along the rack 11 by the driver 123 2 removed, which in turn causes the turntable 12 to rotate in the desired direction. In addition, the driving unit 2 is matched with the fourth, sixth, seventh, and eighth diagrams, and mainly includes a floating buffer group A and a driving group B, wherein the driving group B is a turntable fixed to the steering unit 1. The fixing seat 21 of the 12 is fixed, and the sleeve 211 for the drive shaft 22 is fixed on both sides of the fixing base 21, and the driving shaft 22 and the output shaft of the driver 20 fixed on the turntable 12 are arranged. The shaft end is connected, and the landing element 24 of the drive wheel 23 is disposed at a free end, and the other end of the other end of the landing element 24 is sleeved with another sleeve 241. The aforementioned sleeve 211 allows the landing element 24 to swing freely up and down on the drive shaft 22 without being affected by the rotation of the drive shaft 22, and at the same time, a sprocket 221 is fixed on the drive shaft 22, and the landing gear 24 is fixed. A sprocket 231 is also fixed on the shaft of the upper shaft drive wheel 23, and then the two sprocket wheels 221 and 231 are interlocked by a chain. 7 M343478 In addition, please refer to the driver's 25 with the gear 251 at the other end of the fixed seat 21 at the other end of the fixed seat 21, and the shaft 25 is provided on the side of the drive 25. a screw 26' is disposed at one end of the gear 261 that is coupled to the gear 251, and the screw 26 is axially disposed in a drive sleeve 27 of the fixed seat 21, so that the screw 26 and the drive sleeve 27 can be rotated independently of each other. The effect is that a driving member 262 is screwed on the screw 26, and the driving member 262 is extended with a driving portion 263, and the driving portion 263 is disposed on the driving sleeve 27 and has a predetermined guiding groove. In 271, the end of the drive portion 263 is then engaged in a guide groove provided on a guide block 265 fixed to the fixed seat 21. The end of the final drive portion 263 is coupled to an inductive component. 266; after the end of the drive sleeve 27 protrudes from the outer side of the fixed seat 21, and is fixed to one end of the drive arm 281, and the other end of the drive arm 281 is coupled to a cushioning member 28, and the The cushioning member 28 can be a gas pressure rod, and then the other end of the cushioning member 28 is further connected to one of the first connecting members 282. And the other end of the first connecting member 282 is fixed on a rotating shaft 29 which is disposed on the fixing base 21, and a second connecting member 291 is additionally fixed on the rotating shaft 29, and the second connecting member is further connected. The other end of the member 291 is coupled to one end of an intermediate connecting member 292, and the other end of the intermediate connecting member 292 is coupled to the connecting portion 242 of the shafting end of the landing member 24. Therefore, please refer to the brothers eight, nine and ten, ^ As shown, the drive unit 2 is fixed to the bottom surface of the hospital bed by the fixed disk 11 of the steering unit 1, and when the bed is to be moved, the drive 25 can be rotated by the gears 251, 261 to drive the drive member 262. The linear movement of the screw 8 M343478 26 is performed according to the predetermined direction, and when the driving member 262 is moved, the driving portion 265 is disposed in the guiding groove 271 provided in the driving sleeve 27, thereby forcing the driving sleeve 27 to rotate. - After the movement, as shown in Fig. 12, the end of the drive arm 281 is swung to bring the movable cushioning member 28, so that the first connecting member 282 at the other end of the cushioning member 28 drives the rotation of the rotating shaft, and then drives The second connecting element 291 is via the middle The coupling element 292 drives the landing element 24 to swing, causing the landing element 24 to sway from the drive wheel 23 at the end, and then through the drive 20 with the φ drive shaft 22 through the sprocket 221, 231 and the chain The driving wheel 23 is driven to rotate and the bed is moved; therefore, the bed that is heavy and burdened by the patient, driven by the above-mentioned mobile auxiliary device, can make the nursing staff move the operation of the bed more easily and labor-saving. Referring to FIG. 13 again, when the drive wheel 23 is rolling on the ground, the drive wheel 23 is also elastically stretched by the cushioning member 28 if it encounters an obstacle to the uneven ground. The driving wheel 23 has the function of elastic undulation, so that even if the driving wheel 23 encounters a concave y uneven ground, it can maintain a good contact force with the ground, and the driving wheel 23 has a buffering effect. And the beating phenomenon that makes the bed uncomfortable can be alleviated. Secondly, as shown in the first and fourth figures, in addition to the longitudinal movement of the hospital bed, the gear 12 can be moved along the rack 112 by the driver 123 to cause the turntable 12 to produce the desired rotation. In turn, the drive unit 2 is also rotated, so that the drive wheel 23 is rotated to a predetermined direction, so that the bed can be moved in a lateral direction or a specific direction, so that the movement of the bed can be made more precise or subtle. Effortless adjustment. 9 M343478 Although the above embodiments have disclosed and described the preferred embodiments of the present invention, those skilled in the art can clearly understand the various changes in the various types and methods. They are not separated from the spirit and scope of this new type. [Simple description of the diagram] * The first diagram is a three-dimensional diagram of the novel. ^ The second figure is a schematic exploded view of the novel. Φ The third figure is a three-dimensional exploded view of the other direction of the present invention. The fourth figure is a bottom view of the novel. The fifth figure is a cross-sectional view of the x_x section of the fourth figure. Figure 6 is a cross-sectional view taken along line Y-Y of the fourth figure. The seventh figure is a perspective exploded view of the driving unit of the present invention. The eighth figure is a perspective exploded view of the driving unit of the present invention in another direction. The ninth drawing is a cross-sectional view taken along the Z-Z section of the fourth drawing. The tenth figure is a side cross-sectional view of the present invention. _ The eleventh figure is a side view of the novel. The twelfth figure is a schematic view showing the state in which the driving wheel of the present invention is extended. The thirteenth figure is a schematic diagram of the buffer of the driving wheel of the present invention. The fourteenth figure is a schematic diagram of the operation of the steering unit of the novel driving unit. 1 Steering unit 11 Fixed plate 111 Shaft part 112 Rack 12 Turntable 121 Baffle 122 Gear 123 Drive ' [Main component symbol description] M343478 2 Drive unit A 20 Drive 21 22 Drive shaft 221 23 Drive wheel 231 241 Bushing 242 251 Gear 26 262 Drive 263 265 Guide block 266 271 Guide groove 28 282 First joint element 291 Second joint element 292 Intermediate joint element Lifting buffer group B Drive group mount 211 Bushing sprocket 222 Key sprocket 24 Landing element joint 25 drive screw 261 gear drive part 264 limit rotation part sensing element 27 drive sleeve cushioning element 281 drive arm 29 shaft
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