M429413 五、新型說明： 【新型所屬之技術領域】 本新型關於一種調整裝置，特別是關於一種椅背腰墊 自動調整裝置。 【先前技術】 椅背是裝設於椅座的後方（即乘坐椅座時相對於人體 背部的位置），用以支撐人體的背部，使其乘坐舒適。 人體的脊椎略成s形，亦即就背部而言，人體在腰部 位置係略成凹陷部。椅背通常在相對於人體腰部的高度位 置设有稍向前突出的護腰部，以頂住人體的腰部，使其乘 坐時，腰部有所依靠及支撐，用以保護人體腰部，並使其 乘坐更為舒適。M429413 V. New description: [New technical field] The present invention relates to an adjusting device, in particular to a seat back waist pad automatic adjusting device. [Prior Art] The back of the chair is mounted at the rear of the seat (that is, the position relative to the back of the human body when the seat is seated) to support the back of the human body for comfortable ride. The spine of the human body is slightly s-shaped, that is, in terms of the back, the human body is slightly depressed at the waist position. The back of the chair is usually provided with a slightly forward-facing waist portion at a height relative to the waist of the human body to support the waist of the human body, and the waist portion is supported and supported to protect the waist of the human body and to ride it. More comfortable.
a ”、、、而，人體乘坐於一座椅時可能會變換不同的乘坐姿 而人體腰部隨著不同的乘坐姿態亦有不同的位置變 化’例如後仰、前傾、下沉或向上挺直等。 習^椅背就其護腰部而言通常是為固定式的，無法被 調整八刖後及上下的位置。此於人體腰部處於後仰的狀態 時主雖可以以椅#的護腰部抵頂於人體的腰部，使其獲得 依罪及支撐’惟於人體腰部在處於直立或下沉的狀態時， 由於人體腰部向前或向下偏離椅背的護腰部，使得人體腰 獲得椅腰部的有效依靠及支樓，造成人體腰部 、s進而〜易造成腰酸背痛的疲勞及疲倦現象。 ;X上原因，造成習知椅背的應用性不佳。 3 M429413 【新型内容】 鑑於習知椅背固定式護腰部的缺憾，本新型之一目的 在於提供一種椅背腰墊自動調整裝置，可以隨著人體腰部 的位置而自動調整腰墊的位置。 根據上述之目的，本新型之一態樣是在提供一種椅背 腰墊自動調整裝置，其包括：一椅背，具有相對的一正面 與一背面；一調整單元，至少包含一滑塊為可上下滑動地 滑設於椅背的正面；以及一腰墊，具有相對的一正面與一 背面，腰墊的背面以一樞轴樞設於調整單元。腰墊可隨著 滑塊一體上下滑動，並可在滑塊的位置上以樞軸為軸而前 後轉動；因而腰墊可隨著人體腰部的位置而自動調整位 置，使得人體的腰部隨時都能獲得腰墊有效的支撐及依 靠。 根據本新型的一實施例，調整單元包含：一裝配部， 設於椅背的正面；一蓋體，裝設於裝配部，蓋體與裝配部 之間形成一容置空間，且蓋體的一正面開設有一直向滑槽 為與容置空間相通；以及一滑塊，容置於容置空間，滑塊 的一正面凸設有一第一枢接座，其穿經蓋體的直向滑槽而 向外突出，且滑塊的一底面與蓋體的一底面之間設有至少 一彈簧。依此達成滑塊可上下滑動的動作，並提供一種與 腰墊框接的結構。 根據本新型的一實施例，滑塊的底面凸設有至少一導 柱，蓋體的底面設有與導柱之位置及數量相配應的至少一 導槽，各彈簀分別套覆於各導柱並分別容置於各導槽。依 4 M429413 此使得彈簧被穩定地規範在既定的空間及路徑上伸縮，提 供對滑塊一穩定的彈性作用力。 根據本新型的一實施例，裝配部的内面設有至少一直 向凸條，滑塊的一背面鄰靠於直向凸條。用以減少滑塊背 面與裝配部内面的磨擦，增進滑塊滑動的順暢性。 根據本新型的一實施例，直向凸條的其中一凸條設有 沿直向等間隔排列的多數定位槽，滑塊的背面則裝設有一 與定位槽相配應的彈性定位珠體。依彈性定位珠體與定位 凹槽的相互卡合，用以保持滑塊位於所調整的位置，使其 具穩定性。 根據本新型的一實施例，腰墊的背面凸設有一第二樞 接座，其具有位於兩側的凸台及位於二凸台之間的一凹 口；滑塊的第一樞接座容置於凹口，並以樞轴樞接第一樞 接座及第二樞接座的二凸台。依此達成腰墊與滑塊之間的 極接。 【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實施例詳細說明當中，將可清楚的呈 現。 請參閱第1圖及第5圖，其分別繪示依照本新型一實施 方式之椅背腰墊自動調整裝置的外觀圖、分解圖、背面所 視的分解圖、背面所視的外觀圖、以及剖視圖。如圖所示， 依照本新型一實施方式之椅背腰墊自動調整裝置包括一 5 M429413 椅背100、一調整單元200與一腰墊300。 椅背100裝設於一椅座4〇〇(請參閱第6圖及第7圖） 上。椅背100具有相對的一正面與一背面12〇;由俯視 而言，椅背100具有與人體背部相配應的弧度，當人體乘 坐於椅座時，供做為人體背部的依靠之用。 調整單元200包含有至少一滑塊230，其可上下滑動地 滑設於椅背100的正面11〇。在具體實施上，調整單元2〇〇 •包含有一裝配部210、—蓋體220與上述的滑塊230。其中， 裝配部210設於椅背1〇〇的正面11〇<5蓋體22〇裝設於裝配部 210 ’並與裝配部之間形成一容置空間22丨；且蓋體220的 一正面222開設有一直向滑槽223為與容置空間221相通。 滑塊230容置於容置空間221 ;滑塊23〇的一正面231凸設有 一第一樞接座232 ’其穿經蓋體220的直向滑槽223而向外 突出；滑塊230的一底面233與蓋體220的一底面224之間設 有三個彈簧240。依此’滑塊230乃可以在直向滑槽223的 籲長度行程内而於容置空間22J内上下滑動；彈簧240則可賦 與滑塊230在無外力作用下保持滑塊230位於初始位置，亦 即使滑塊230隨時保持位於容置空間221的上部位置。 滑塊230的底面233凸設有與彈簧240相配應數量的三 個導柱234,而蓋體220的底面224則設有與導柱234之位置 及數量相配應的三個導槽225。各彈簧240分別套覆於各導 柱234並分別容置於各導槽225。依此使得各彈簧240被穩 定地規範在既定的空間及路徑上伸縮’提供對滑塊230一 穩定的彈性作用力。 M429413 裝配部210的内面設有多數條例如三條直向凸條 211，滑塊230的一背面235則鄰靠於該些直向凸條21卜在 滑塊230上下滑動的過程當中，直向凸條211能減少滑塊 230背面235與裝配部210整個内面的磨擦面積，進而增進 滑塊230滑動的順暢性。 直向凸條211的其中一凸條設有沿直向間隔排列的多 數定位槽212,而滑塊230的背面235則裝設有一與定位槽 212相配應的彈性定位珠體236，當滑塊230隨著使用者乘 * 坐的姿態被上下調整位置而至一既定位置時，滑塊230的 彈性定位珠體236卡入於多數定位槽212的其中一定位 槽，而保持滑塊230於此時該所調整的位置，使其具穩定 性。 腰墊300具有相對的一正面310與一背面320 ;由俯視 而言，腰墊300具有與人體腰部相配應的弧度，當人體乘 坐於椅座時，供做為人體腰部的依靠之用。腰墊300的背 鲁面320以一樞轴250樞設於調整單元200，因而相對於調整 單元200而言，腰墊300乃可以以樞軸250為轴而呈後仰或 前傾的轉動。 就腰墊300與滑調整單元200之間的樞接結構而言，於 實施上，腰墊300的背面320凸設有一第二樞接座330，該 第二樞接座具有位於其兩側的凸台331及位於該二凸台之 間的一凹口 332，滑塊230的第一樞接座232則容置於第二 樞接座330的凹口 332，並以樞軸250樞接第一樞接座232 及第二樞接座330的二凸台331。因而腰墊300可隨著滑塊 7 230—體上下滑動，並可進一步在滑塊230的所處的位置上 以樞軸250為軸而前後轉動。 請一併參閲第6圖及第7圖’其分別繪示依照本新型一 實施方式之椅背腰墊自動調整裝置於人體處於不同乘坐 姿態時的使用示意圖。如第6圖所示’當人體5〇〇乘坐於椅 座400並處於例如休息姿態時，人體5〇〇的腰部係呈後仰且 下沉的姿態；於此時，人體500腰部的後仰動作，會帶動 腰墊300以樞軸250為軸而向後轉動（向順時鍾方向轉 動）；同時，人體5〇〇腰部的下沉動作’會經由腰墊300帶 動滑塊230下滑，使得腰墊300隨之下移；依此時後仰及下 滑的腰墊300而有效地支標人體5〇〇此時後仰及下沉的腰 部。 相對地，如第7圖所示，當人體500乘坐於椅座4〇〇並 處於例如工作姿態時’人體500的腰部係呈稍向前傾且向 上挺直的姿態；於此時’人體500腰部的前傾動作，會帶 動腰墊300以樞軸250為軸而向前轉動（向逆時鍾方向轉 動）；同時’人體500腰部向上挺直的的動作，因作用於滑 塊230的作用力減少，滑塊230乃會依其彈簧240而上滑， 使得腰墊300隨之上移；依此時前傾及上滑的腰墊3〇〇而有 效地支撐人體5〇〇此時前傾及向上挺直的腰部。因此，不 論人體500處於休息姿態或處於工作姿態等之不同的乘坐 姿態’椅背10 0的腰墊3 0 0皆能隨之調整位置，使得人體5 〇 〇 的腰部獲得腰垫300有效的支撐及依靠。 依據本新型一實施方式之椅背腰墊自動調整裝置，其 M429413 腰墊300的位置可隨著人體腰部的位置而自動調整，使得 人體的腰部隨時都能獲得有效的支樓及依靠，減低人體腰 部的負擔，並使其乘坐舒適。以上所述，確實達到本新型 的創作目的。 雖二本新型以實施方式揭露如上，然其並非用以限定 本新型，任何熟習此技藝者，在不脫離本新型的精神和範 =内，當可作各種的更動與潤飾，因此本新型之保護範圍 籲當視後附的申請專利範圍所界定者為準。 【圖式簡單說明】 為讓本新型之上述和其他目的、特徵、優點與實施例 月b更明確易懂’所附圖式之說明如下： 第1圖是繪示依照本新型一實施方式之椅背腰墊自動 調整裝置的外觀圖。 第2圖是繪示第1圖所示之椅背腰墊自動調整裝置的 _ 分解圖。 第3圖是繪示第2圖所示之椅背腰墊自動調整裝置其 中之調整單元由背面所視的分解圖。 第4圖是繪示第1圖所示之椅背腰墊自動調整裝置去 除椅背後由背面所視的外觀圖。 第5圖是繪示第1圖所示之椅背自動調整裝置的剖視 示意圖。 第6圖是繪示第5圖所示之椅背自動調整裝置在人體 處於例如休息姿態時的使用示意圖。 9 M429413 第7圖是繪示第5圖所示之椅背自動調整裝置在人體 處於例如工作姿態時的使用示意圖。 【主要元件符號說明】 100 :椅背 110 :正面 120 :背面 200 :調整單元 210 :裝配部 211 :直向凸條 212 :定位槽 220 :蓋體 221 :容置空間 222 :正面 223 :直向滑槽 224 :底面 225 :導槽 230 :滑塊 231 :正面 232 :第一樞接座 233 :底面 234 :導柱 235 :背面 236 :彈性定位珠體 240 :彈簧 250 :框轴 300 :腰墊 310 :正面 320 :背面 330 :第二樞接座 331 :凸台 332 :凹口 400 :椅座 500 :人體a ”, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Etc. The back of the chair is usually fixed for the waist, and cannot be adjusted after the gossip and the up and down position. This is the case when the waist of the human body is in the back state, the main body can be worn by the waist of the chair # It is placed on the waist of the human body to obtain sin and support. 'When the waist of the human body is in an upright or sinking state, the waist of the human body is deflected forward or downward from the waist of the seat back, so that the waist of the human body is obtained from the waist of the chair. Effectively relying on the branch, causing fatigue and fatigue in the waist, s and ~ of the human body, which may cause back pain. X causes the application of the back of the chair to be poor. 3 M429413 [New content] In view of the customary chair One of the novels of the present invention is to provide an automatic adjustment device for the back of the waist pad, which can automatically adjust the position of the waist pad according to the position of the waist of the human body. One aspect of the model is to provide a seat back waist pad automatic adjusting device, comprising: a seat back having an opposite front surface and a back surface; and an adjusting unit comprising at least one slider for sliding up and down a front side of the seat back; and a waist pad having an opposite front side and a back side, the back side of the waist pad being pivotally disposed on the adjusting unit. The waist pad can slide up and down with the slider body and can be in the slider The position pivots back and forth with the pivot as the axis; therefore, the waist pad can automatically adjust the position according to the position of the waist of the human body, so that the waist of the human body can obtain effective support and rely on the waist pad at any time. According to an embodiment of the present invention, The adjusting unit comprises: a mounting portion disposed on the front surface of the seat back; a cover body mounted on the mounting portion, an accommodating space formed between the cover body and the mounting portion, and a front sliding slot is formed on a front surface of the cover body The first pivoting seat is protruded from a front surface of the sliding cover, and is protruded outwardly and slides a bottom surface of the block and a cover At least one spring is disposed between the faces, thereby achieving a motion of sliding the slider up and down, and providing a structure that is framed with the waist pad. According to an embodiment of the present invention, at least one guide post is protruded from the bottom surface of the slider. The bottom surface of the cover body is provided with at least one guide groove corresponding to the position and the number of the guide columns, and the magazines are respectively sleeved on the guide columns and respectively accommodated in the guide channels. According to 4 M429413, the spring is stably stabilized. The specification expands and contracts in a predetermined space and path to provide a stable elastic force to the slider. According to an embodiment of the present invention, the inner surface of the assembly portion is provided with at least a straight rib, and a back surface of the slider is adjacent to the straight The rib is used to reduce the friction between the back surface of the slider and the inner surface of the mounting portion, thereby improving the smoothness of sliding of the slider. According to an embodiment of the present invention, one of the ribs of the straight rib is arranged at equal intervals in the straight direction. Most of the positioning slots, the back of the slider is provided with an elastic positioning bead that matches the positioning slot. The elastic positioning bead and the positioning groove are engaged with each other to keep the slider in the adjusted position for stability. According to an embodiment of the present invention, a second pivoting seat is protruded from the back surface of the waist pad, and has a boss on both sides and a notch between the two bosses; the first pivoting seat of the slider The utility model is disposed in the recess and pivotally pivots the two pivoting seats of the first pivoting seat and the second pivoting seat. In this way, the pole connection between the waist pad and the slider is achieved. [Embodiment] The foregoing and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of embodiments with reference to the drawings. Please refer to FIG. 1 and FIG. 5 , which respectively show an external view, an exploded view, an exploded view of the back side, an external view, and an external view of the back waist pad automatic adjusting device according to an embodiment of the present invention. Cutaway view. As shown in the figure, the seat back waist pad automatic adjusting device according to an embodiment of the present invention comprises a 5 M429413 seat back 100, an adjusting unit 200 and a waist pad 300. The seat back 100 is mounted on a seat 4 (see Figures 6 and 7). The back 100 has an opposite front face and a back face 12; from the top view, the back 100 has a curvature corresponding to the back of the human body, and is used as a back for the human body when the body is seated on the seat. The adjustment unit 200 includes at least one slider 230 that is slidably slidably disposed on the front surface 11 of the seat back 100. In a specific implementation, the adjusting unit 2 includes a mounting portion 210, a cover 220 and the slider 230 described above. The mounting portion 210 is disposed on the front surface 11 of the seat back 1 〇 < 5 the cover 22 〇 is mounted on the mounting portion 210 ′ and forms an accommodating space 22 与 with the mounting portion; and the cover 220 The front surface 222 is provided with an all-way chute 223 for communicating with the accommodating space 221. The slider 230 is received in the accommodating space 221; a front 231 of the slider 23 凸 protrudes from a first pivoting seat 232 ′ which protrudes through the straight sliding slot 223 of the cover 220 and protrudes outward; the slider 230 A spring 240 is disposed between a bottom surface 233 and a bottom surface 224 of the cover 220. According to this, the slider 230 can slide up and down in the accommodating space 22J in the stroke length of the straight sliding slot 223; the spring 240 can be coupled to the slider 230 to keep the slider 230 in the initial position without external force. Even if the slider 230 is kept at the upper position of the accommodating space 221 at any time. The bottom surface 233 of the slider 230 protrudes from the spring 240 to match the number of three guide posts 234, and the bottom surface 224 of the cover 220 is provided with three guide grooves 225 corresponding to the position and number of the guide posts 234. Each of the springs 240 is sleeved on each of the guide posts 234 and received in each of the guide grooves 225. Accordingly, each of the springs 240 is stably regulated to telescope in a predetermined space and path to provide a stable elastic force to the slider 230. M429413 The inner surface of the mounting portion 210 is provided with a plurality of strips, for example, three straight ribs 211. A back surface 235 of the slider 230 is adjacent to the straight ribs 21 and slides up and down in the slider 230. The strip 211 can reduce the friction area of the back surface 235 of the slider 230 and the entire inner surface of the mounting portion 210, thereby improving the smoothness of the sliding of the slider 230. One of the ribs of the straight rib 211 is provided with a plurality of positioning grooves 212 arranged at a right interval, and the back surface 235 of the slider 230 is provided with an elastic positioning bead 236 corresponding to the positioning groove 212. The elastic positioning bead 236 of the slider 230 is engaged with one of the positioning slots of the plurality of positioning slots 212, and the slider 230 is held there as the user's sitting posture is adjusted up and down to a predetermined position. The adjusted position makes it stable. The waist pad 300 has a front surface 310 and a back surface 320. The top surface of the waist pad 300 has a curvature corresponding to the waist of the human body. When the body is seated on the seat, it is used as a waist for the human body. The back surface 320 of the waist pad 300 is pivotally disposed on the adjustment unit 200 by a pivot 250. Therefore, the waist pad 300 can be tilted or tilted forward with the pivot 250 as an axis with respect to the adjustment unit 200. For the pivotal structure between the waist pad 300 and the sliding adjustment unit 200, a second pivoting seat 330 is protruded from the rear surface 320 of the waist pad 300. The second pivoting seat has two sides on the two sides. The boss 331 and a notch 332 between the two bosses, the first pivoting seat 232 of the slider 230 is received in the notch 332 of the second pivoting seat 330, and pivoted by the pivot 250. A pivoting base 232 and two bosses 331 of the second pivoting seat 330. Thus, the waist pad 300 can slide up and down with the slider 7230, and can be further rotated forward and backward with the pivot 250 as the axis at the position of the slider 230. Please refer to FIG. 6 and FIG. 7 respectively. FIG. 6 is a schematic view showing the use of the automatic backrest pad adjusting device according to an embodiment of the present invention when the human body is in different riding postures. As shown in Fig. 6, when the human body 5 is seated on the seat 400 and is in a resting posture, for example, the waist of the human body is tilted and sunken; at this time, the back of the human body 500 is tilted back. The action will drive the waist pad 300 to rotate backward with the pivot 250 as the axis (rotation in the clockwise direction); at the same time, the sinking action of the body 5 waist portion will drive the slider 230 to slide down through the waist pad 300, so that the waist pad 300 is then moved down; according to the waist pad 300 which is tilted back and down at this time, the waist of the human body 5 squats and sinks at this time is effectively supported. In contrast, as shown in FIG. 7, when the human body 500 is seated on the seat 4 and is in the working posture, for example, the waist of the human body 500 is slightly inclined forward and straight upward; at this time, the human body 500 The forward tilting motion of the waist causes the waist pad 300 to rotate forward with the pivot 250 as an axis (rotating in the counterclockwise direction); and at the same time, the action of the waist of the human body 500 is straight upward due to the force acting on the slider 230. Reduced, the slider 230 will slide up according to the spring 240, so that the waist pad 300 will move up accordingly; according to the waist pad 3前 which is inclined forward and upward, the body can be effectively supported. And the straight up waist. Therefore, regardless of the different postures of the human body 500 in a resting posture or in a working posture, the waist pad 300 of the back 100 can be adjusted accordingly, so that the waist of the human body 5 is effectively supported by the waist pad 300. And rely on. According to the automatic adjusting device for the back waist pad of the embodiment of the present invention, the position of the M429413 waist pad 300 can be automatically adjusted according to the position of the waist of the human body, so that the waist of the human body can obtain an effective branch and rely at any time, thereby reducing the human body. The burden on the waist and make it comfortable to ride. As mentioned above, it has indeed achieved the creative purpose of this novel. Although the present invention is disclosed in the above embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached. BRIEF DESCRIPTION OF THE DRAWINGS In order to make the above and other objects, features, advantages and embodiments of the present invention more clearly understood, the description of the drawings is as follows: FIG. 1 is a diagram showing an embodiment according to an embodiment of the present invention. Appearance of the automatic adjustment device for the back of the seat back. Fig. 2 is an exploded perspective view showing the automatic adjustment device for the seat back waist pad shown in Fig. 1. Fig. 3 is an exploded perspective view showing the adjusting unit of the seat back waist pad automatic adjusting device shown in Fig. 2 as viewed from the back side. Fig. 4 is a perspective view showing the back of the seat back waist pad automatic adjusting device shown in Fig. 1 as viewed from the back side. Fig. 5 is a cross-sectional view showing the automatic seat back adjusting device shown in Fig. 1. Fig. 6 is a view showing the use of the automatic back adjusting device shown in Fig. 5 when the human body is in a resting posture, for example. 9 M429413 Fig. 7 is a schematic view showing the use of the automatic back adjustment device shown in Fig. 5 when the human body is in, for example, a working posture. [Main component symbol description] 100: seat back 110: front surface 120: rear surface 200: adjustment unit 210: mounting portion 211: straight rib 212: positioning groove 220: cover body 221: accommodation space 222: front surface 223: straight direction Chute 224: bottom surface 225: guide groove 230: slider 231: front surface 232: first pivot seat 233: bottom surface 234: guide post 235: back surface 236: elastic positioning bead body 240: spring 250: frame shaft 300: waist pad 310: front side 320: back side 330: second pivoting seat 331: boss 332: notch 400: seat 500: human body