200932155 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種工作椅構造，特別是關於—種可任意移 動及調整高度，以方便操作人員進行低處工作之工作椅。 【先前技術】 習用工作椅構造，如中華民國專利公告第242550號「工作 柯」新式樣專利所不’其包含—側支架、四個轉向輪、一底板 及一座墊。該側支架概呈门型，其構成一上層平面、一連接支200932155 IX. Description of the Invention: [Technical Field] The present invention relates to a work chair structure, and more particularly to a work chair that can be arbitrarily moved and adjusted in height to facilitate an operator to perform low work. [Prior Art] The conventional work chair structure, such as the Republic of China Patent Bulletin No. 242550 "Work Ke" new style patent does not include - side brackets, four steering wheels, a bottom plate and a mat. The side bracket is generally a door type, which constitutes an upper plane and a connecting branch
Ο 架及一下層平面’該下層平面之底部設有該轉向輪，可使工作 持360度任意移動。該底板舖設於該下層平面上，可供腳踏及 置物。該連接支架連接該上層平面及下層平面。該座墊設於該 上層平面上，可供人員乘坐其上，進行低處之作業。然而，在 實際使用上’紅作椅因為轉向輪的輪徑較小，故並不適用 ^未經整理的地面（例如草地）’域座墊之高度係固定無法調 二，適。不同身⑤的人使用。再者，該工作椅並無靠背設 。十’谷易造成⑽間使料，操作人貞腰部無法獲得支撐而容 易疲勞另外，该座塾無法相對該側支架及底板任意轉動，相 對’低使用上之便概。在長期使訂，細支架之構造亦容 2彎折變形’可能造成該座私平穩，甚至降低王作椅之使用 壽命。 ^ :社作椅構造，如中華民國專利公告第294489號 工作椅」新式樣翻所示，其包含二獅支架、—置物底盤、 5 200932155 — _向輪及—錄。該二梯形支架分別設於該置物底盤之兩 - 嫁’且該該二梯形支架之兩側分別樞接該轉向輪，可使工作椅 雙向移動。該座墊設於該二梯形支架上，可供人員乘坐其上， 進行低處之作業。在實際使用上，雖然該工作椅因為輪獲較 大，可適用在未經整理的地面，然而該錄之高度仍為固定無 法調整’不適合不同身高的人使用。再者，該工作椅並無靠背 言史計，容易造成長時間使用時，操作人員腰部無法獲得支撑而 ❹ 容祕勞。另外’該錄無法麵該二梯形支架任意轉動，相 對降低使用上之便利性。 故有必要提供-種工作椅構造，以解決習知技術所存在 的缺陷。 【發明内容】 本發明之轉目的在於提供—種工作椅構造，其係利用凹 ❹魏板之凹陷部容置樞接組件’以便調整座椅之相對安聚高度 及降低座椅之最低工作高度，並使座椅能相對於凹型底板任意 轉動，進而提升工作椅之升降裕度及轉動裕度。 本發明之次要目的在於提供__種工作椅構造，其係利用凹 型底板之二輪室容置二活動輪組，以相對提高活動輪組之安装 高度、輪徑與跨距，使其可在輪室内360度任意轉動，進而增 加工作椅之移動裕度及移動穩定性。 本發明之另—目的在於提供—種工作_造，其座椅係利 200932155 : 祕背提供靠背魏，讀使猶者之背部得到支撐，進而提 . 升工作椅之使用舒適性。 為達上述之目的，本發明提供一種工作椅構造，其包含一凹 1 _板一活動輪組、一樞接組件及一座椅。該凹型底板形成 輪至及凹陷部’以分別容置該二活動輪組及該樞接組件。 該二活動細麵可猶的設於該L。飾接組件使該 ❹ 座财相對於該_絲_，整該雜相對於該凹型底 板之局度。藉此’在進行低處工作時，作業人員可避免以彎腰 或蹲跪等姿勢進行工作，而改以舒適之坐姿進行，達到減少工 作傷害的效果。 在本發明之-較佳實施例中，該二活動輪組分別包含一轉動 基座、-縣支架及二活動輪。該觸朗設於各該輪室之内 頂面。該轉動支架之丁頁端樞接於該轉動基座，及其底端植接於 ❹ I簡輪。各該輪室之長度及寬度大於各脑動輪組之最大 跨距’以便各該活動輪組能在各該輪室内任意轉動。在本發明 之另-較佳實施例中，各該活動輪組亦可局部露出各該輪室之 外，不受各該輪室之長度及寬度限制。 在本發明之，佳實施例中，該樞接組件設有一枢接座、— _盤、-樞軸及1整元件。該樞接座及枢接盤分別固設於 該凹型底板之_部該鋪之下表面。她軸設於該拖接 座及柩接盤之間，_鋪可相對於_魏板觀。該調敕 200932155 元件設於_虹，贿⑽於該_絲之高度。 【實施方式】 摩為了讓本發明之上述及其他目的'特徵、優點能更明顯易 二舉本發明較佳實施例’並配合所關式，作詳細 二:=所示’本發，佳實施例之工作椅· ^ λ * —活動輪組2、一樞接組件3及一鹿 〇 Γ。該凹型底板1概呈凹字型，其係可取材自金屬板、木板 或娜板等板材，且可選擇藉由衝壓、焊接、顧或黏接等方 式適當加讀成。該凹型底板i形成二輪室η及—凹陷部… 該f輪室11係該凹型底板1下表面之二開放空間，且分別位 二凹12之—側’以供分別容置該二活動輪組2。該二 产室11之尺寸係可選擇為蝴或獨。該凹陷部12係選擇凹 辦該凹型底板丨上表面之—中央位置或其他適當位置，以供 谷置遠極接組件3。再者，兮u々立κ，。 丹有该凹卩曰部12之其餘空間並可選擇 容置至少-整理盒，或直接放置卫具或零件。 請參照第卜2及3 _示，本發明較佳實關之二活動輪 組2分別包含-轉動基座2卜—轉動支架22及二活動輪幻。 該轉動基㈣目設於各雜室u之_面。鋪動支架沒設 有-中央支架221及-橫向支架222。該中央支架221之丁頁端 係樞接於_祕座21，及其底端係連接於雜向支架微之 8 200932155 一甲央位置。該橫向支帛222 <二端較佳係分別利用軸承等元 件樞接結合該二活動輪23。再者，各該輪室Η之尺寸係對應 於各该活動輪組2 ’且各該輪室11之長度及寬度必需大於各該 活動輪組2之最大跨距，以便各該活動輪組2能在各該輪室u 内任意轉動。在本發明之另—較佳實闕t，各絲動輪組2 亦可局部露出各該輪室U之外，不受各該輪室^之長度及寬 度限制。 a 请再參照第1及2 ®所示，本發明較佳實施例之樞接組件 3包含一樞接座31、一樞接盤32、一樞軸33及一調整元件34。 該樞接座31伽設於該_底板丨之_部12内，而該拇接 盤32則固設於該座椅4之下表面。該樞軸33較佳係選自一螺 桿，其二端分別以固設或樞接之方式結合於該搞接座別及枢 接盤32上。該調整元件34係套設於該樞軸33上，且位於該 樞接座31及樞接盤32之間。該調整元件％可選自_螺帽， 以便相對該樞軸33自由旋轉調整高度。惟，該調整树34亦 可選自其他具有高度驢功能之等效元件。值躲意的是，旋 轉該調整元件34可韻絲4上升或下降，職椅4之最低 位置付以降低至絲於細型底板丨之上緣，及其最高位置則 相關於該植軸33之預設長度。藉此，調整適合操作者身材及 當時工作所需之高度。 請再參照第1及2圖所示，本發明較佳實施例之座椅4包 9 200932155 娜4ί如可 ㈣之爲=接=!1她触32。該支 另甘s 接之方式結合於該椅塾41之-伽 Z疒蠕係以固設或框接之方式結合於 之北二 ❹ ❹ 需求，該座椅4另=2：权支接。再者，依使用 …^提供操作者;Ζ：Γ其分別設於爾 構造1至3圖所示’當操作者使用本發明之工作椅 上，料，雜者射4之椅㈣ 43，=力Γ移動該工作椅，且其腰背部係可靠背於該椅背 用補^ 之舒適性。再者，由於該二活動輪組2係利 22可轉動的組裝於該二輪室11内，該二輪室 有利於蝴__魅2之絲綠，帅對提供更 之輪控’且該轉動支架22亦可增加該活動輪組 2之跨距， 4工作椅能平穩的36〇度任意移動，不受地型限制，亦不會 口移動過速而造缸作椅之傾倒。另外，由於該凹型底板1利 用陷口IM2奋置該枢接組件3，其不但便於調整該鋪$ &相對安裝间度及有利於降低該座椅4之最低工作高度，並且 能使該座椅4能相對於該凹型底板1任意轉動 ’因此亦能提升 工作椅之升降裕度及轉動裕度。 如上所述才目較於習用工作椅構造雖能用於低處之作業， 10 200932155 卻也¥因無法調整高度或轉動，而導致操作不便等缺點，第1 圖之本發明之工作椅構造藉由在該凹型底板1之二輪室Η及 Q P 12刀別谷置該二活動輪組2及樞接組件3，其確實可 以调整該_ 4之姆安裝高度、降憾座椅4之最低工作高 ，’及相對提高該活動輪組2之钱高度、輪徑與跨距，進而 提升工作叙升降裕度、躺減、移動裕度及飾穩定性。 雖然本發明已啸佳實施例揭露，然其並翻以限制本發 明’任何抑此項技藝之人士’在不脫離本發明之精神和範圍 内，當可作各種更動與修飾，因此本發日月之職範圍當視後附 之申請專利範圍所界定者為準。 【圖式簡單說明】 第2圖：本發·佳實補之工倾構叙組合立體圖。 弟3圖：本發明較佳實 施例之工作椅構造之下視 【主要元件符號說明】 1凹型底板 11輪室 12凹陷部 2 活動輪叙 21轉動基座 22轉動支架 221中央支架 222横向支架 23活動輪 3 框接組件 31. 枢接座 32枢接盤 第1圖：本發明較佳實施例之工作椅構造之分解立體圖。 200932155 _ 33枢軸 34調整元件 ’ 4 座椅 41椅墊， 42支架 43椅背 ❹The truss and the lower plane are provided at the bottom of the lower plane to allow the work to be moved 360 degrees. The bottom plate is laid on the lower plane for pedaling and placing. The connecting bracket connects the upper plane and the lower plane. The seat cushion is disposed on the upper plane to allow a person to ride on the lower part of the work. However, in actual use, the red chair is not suitable because the wheel diameter of the steering wheel is small. ^The height of the unfinished ground (such as grass) is not fixed. Used by people of different bodies. Furthermore, the work chair has no backrest. Ten 'Gu Yi caused (10) to make the material, the operator could not get support and feel tired at the waist. In addition, the seat could not rotate freely with respect to the side bracket and the bottom plate, and the relative use was low. In the long-term order, the structure of the thin bracket can also be flexed and deformed, which may cause the seat to be privately stable and even reduce the service life of the king chair. ^ : The structure of the social chair, such as the Republic of China Patent Notice No. 294489, the new style of the work chair, which includes two lion brackets, the storage chassis, 5 200932155 — _ wheels and — recorded. The two trapezoidal brackets are respectively disposed on the two sides of the storage chassis, and the two sides of the two trapezoidal brackets are respectively pivotally connected to the steering wheel to move the work chair in two directions. The seat cushion is arranged on the two trapezoidal brackets, and can be used for the personnel to ride on the lower part. In actual use, although the work chair can be applied to the unfinished ground because of the larger wheel, the height of the record is still fixed and cannot be adjusted for those who are not suitable for different heights. Moreover, the work chair has no backrest history, and it is easy to cause long-term use, and the operator's waist can not obtain support and is secretive. In addition, the recording cannot be arbitrarily rotated by the two trapezoidal brackets, and the convenience in use is relatively reduced. Therefore, it is necessary to provide a work chair structure to solve the defects of the prior art. SUMMARY OF THE INVENTION The object of the present invention is to provide a work chair structure, which utilizes a recessed portion of a concave slab to accommodate a pivotal assembly 'to adjust the relative abutment height of the seat and lower the minimum working height of the seat. And the seat can be arbitrarily rotated relative to the concave bottom plate, thereby increasing the lifting margin and the turning margin of the working chair. A secondary object of the present invention is to provide a construction work chair structure, which utilizes a two-wheeled chamber of a concave bottom plate to accommodate two movable wheel sets to relatively increase the installation height, wheel diameter and span of the movable wheel set, so that The wheel interior rotates 360 degrees arbitrarily, thereby increasing the movement margin and movement stability of the work chair. Another object of the present invention is to provide a kind of work _, the seat of the system is 200932155: The back of the back provides the backrest Wei, the reading enables the back of the sergeant to be supported, and then the comfortable use of the work chair. To achieve the above object, the present invention provides a work chair structure comprising a concave 1 _ plate and a movable wheel set, a pivotal assembly and a seat. The concave bottom plate forms a wheel and a recessed portion to accommodate the two movable wheel sets and the pivoting assembly, respectively. The two active fine surfaces can be set in the L. The trim assembly causes the pocket to be relative to the extent of the recessed base relative to the recessed base. By doing this, when working in a low position, the operator can avoid working in a posture such as bending or squatting, and changing to a comfortable sitting position to reduce the effect of work injury. In a preferred embodiment of the invention, the two movable wheel sets respectively comprise a rotating base, a county bracket and two movable wheels. The touch is placed on the top surface of each of the wheel chambers. The sliding end of the rotating bracket is pivotally connected to the rotating base, and the bottom end thereof is implanted on the ❹I wheel. The length and width of each of the wheel chambers is greater than the maximum span of each of the brain wheel sets so that each of the movable wheel sets can be arbitrarily rotated in each of the wheel sets. In a further preferred embodiment of the invention, each of the movable wheel sets may also be partially exposed outside of the wheel chambers, independent of the length and width of each of the wheel chambers. In the preferred embodiment of the present invention, the pivoting assembly is provided with a pivoting seat, a disk, a pivot, and an integral component. The pivoting seat and the pivoting plate are respectively fixed on the lower surface of the concave bottom plate. Her shaft is located between the towing seat and the splicing plate, and the _ shop can be viewed relative to the wei plate. The 敕 200932155 component is located in _ rainbow, bribe (10) at the height of the _ wire. [Embodiment] In order to make the above-mentioned and other objects of the present invention, the features and advantages of the present invention can be made more obvious, and the preferred embodiment of the present invention is combined with the closed type. Example work chair · ^ λ * — movable wheel set 2, a pivotal assembly 3 and a deer. The concave bottom plate 1 is generally in the shape of a concave type, which can be taken from a metal plate, a wooden board or a sheet of a nano board, and can be appropriately read by means of stamping, welding, bonding or bonding. The concave bottom plate i forms a second wheel chamber η and a recessed portion. The f wheel chamber 11 is a two open space of the lower surface of the concave bottom plate 1 and is respectively disposed on the side of the recess 12 for respectively accommodating the two movable wheel sets. 2. The size of the second chamber 11 can be selected as butterfly or sole. The recessed portion 12 is selected to be recessed from the center of the upper surface of the concave bottom plate or at other suitable locations for the valley to be remotely coupled to the assembly 3. Furthermore, 兮u stands κ,. Dan has the remaining space of the recessed portion 12 and can optionally accommodate at least the finishing box or directly place the guard or part. Referring to Figures 2 and 3, the movable wheel set 2 of the present invention preferably includes a rotating base 2 - a rotating bracket 22 and two movable wheels. The rotating base (4) is disposed on the surface of each of the chambers u. The spreader bracket is not provided with a central bracket 221 and a transverse bracket 222. The slab end of the central bracket 221 is pivotally connected to the _ secret seat 21, and the bottom end thereof is connected to the miscellaneous bracket micro 8 200932155. The lateral support 222 < the two ends are preferably pivotally coupled to the two movable wheels 23 by means of bearings or the like. Furthermore, the dimensions of each of the wheel chambers correspond to each of the movable wheel sets 2' and the length and width of each of the wheel houses 11 must be greater than the maximum span of each of the movable wheel sets 2, so that each of the movable wheel sets 2 It can rotate arbitrarily in each of the wheel chambers u. In another preferred embodiment of the present invention, each of the spinning wheel sets 2 may also partially expose each of the wheel chambers U, independent of the length and width of each of the wheel chambers. a. Referring to FIGS. 1 and 2, the pivoting assembly 3 of the preferred embodiment of the present invention includes a pivoting seat 31, a pivoting disk 32, a pivot 33, and an adjusting component 34. The pivoting seat 31 is slid in the portion 12 of the bottom plate, and the thumb plate 32 is fixed to the lower surface of the seat 4. Preferably, the pivot 33 is selected from a threaded rod, and the two ends are respectively fixed to the mating seat and the pivoting plate 32 by fixing or pivoting. The adjusting component 34 is sleeved on the pivot 33 and located between the pivoting seat 31 and the pivoting disk 32. The adjustment element % can be selected from the _ nut to freely rotate the adjustment height relative to the pivot 33. However, the adjustment tree 34 can also be selected from other equivalent elements having a high degree of functionality. The value is hidden, the rotation of the adjusting element 34 can raise or lower the thread 4, the lowest position of the chair 4 is lowered to the upper edge of the fine bottom plate, and the highest position thereof is related to the planting shaft 33. Preset length. In this way, the adjustment is suitable for the operator's body and the height required for the work at the time. Referring to FIGS. 1 and 2 again, the seat 4 of the preferred embodiment of the present invention is 9 200932155 娜4如如可(4)为=接=!1She touches 32. The singularly coupled to the chair sill 41 is coupled to the north ridge 固 in a fixed or framed manner, and the seat 4 is additionally 2: weighted. Furthermore, the operator is provided by using ...^; Ζ: Γ is set in the structure of the structure 1 to 3, respectively. 'When the operator uses the work chair of the present invention, the material, the chair of the miscellaneous shoots 4 (four) 43,= The work chair is moved, and the waist back can be backrested to the back of the chair for comfort. Furthermore, since the two movable wheel sets 2 are rotatably assembled in the two-wheel chamber 11, the two-wheeled room is advantageous for the __ 魅 2 silk green, and the handsome pair provides more wheeling' and the rotating bracket 22 can also increase the span of the movable wheel set 2, 4 work chairs can be moved at a steady 36 degrees, without the restriction of the ground type, and the mouth is not over-speeded and the chair is dumped. In addition, since the concave bottom plate 1 uses the notch IM2 to reach the pivoting assembly 3, it is convenient to adjust the installation and the relative installation degree and to reduce the minimum working height of the seat 4, and the seat can be The chair 4 can be arbitrarily rotated relative to the concave base plate 1 so that the lifting allowance and the turning margin of the work chair can also be improved. As described above, although the structure of the conventional work chair can be used for low-level work, 10 200932155 is also a disadvantage of the inconvenience of operation due to the inability to adjust the height or the rotation, and the work chair structure of the present invention of FIG. 1 is borrowed. The two movable wheel sets 2 and the pivoting assembly 3 are disposed in the two wheel chambers of the concave bottom plate 1 and the QP 12, which can adjust the installation height of the _4, and the minimum working height of the seat 4 , and relatively increase the height, wheel diameter and span of the activity wheel 2, thereby improving the working margin, the lie, the movement margin and the stability of the decoration. Although the present invention has been disclosed in the context of the present invention, it is intended that the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of the month is subject to the definition of the scope of the patent application attached. [Simple description of the diagram] Figure 2: The stereogram of the combination of the work and the construction of the work. Figure 3: The structure of the work chair according to the preferred embodiment of the present invention is shown below. [Main component symbol description] 1 concave bottom plate 11 wheel chamber 12 recessed portion 2 movable wheel 21 rotating base 22 rotating bracket 221 central bracket 222 lateral bracket 23 Movable wheel 3 frame assembly 31. Pivot socket 32 pivot plate FIG. 1 is an exploded perspective view of the work chair structure of the preferred embodiment of the present invention. 200932155 _ 33 pivot 34 adjustment element ‘ 4 seat 41 seat cushion, 42 bracket 43 back ❹
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