TWI681739B - 彈力蹺蹺板式的自由傾仰機構及自由調節轉椅 - Google Patents
彈力蹺蹺板式的自由傾仰機構及自由調節轉椅 Download PDFInfo
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Abstract
本發明提供一種彈力蹺蹺板式的自由傾仰機構及自由調節轉椅,包括:一支撐座,供連接一椅腳;一底座,與該支撐座之間轉動連接,供連接一椅座;一翹板,與該支撐座之間轉動連接,供連接一椅背;一第一彈性機構,該第一彈性機構與該底座及該翹板相接以形成一彈力蹺蹺板結構;以及一第二彈性機構,與該支撐座及該底座相接,該第二彈性機構與該第一彈性機構對該底座的作用力方向相反。本發明另提供一種自由調節轉椅,包括:一如上述的彈力蹺蹺板式的自由傾仰機構,另包括一椅座、一椅背及一椅腳。
Description
本發明係與轉椅的配套部件有關,特別是有關於一種彈力蹺蹺板式的自由傾仰機構及自由調節轉椅。
傳統的同步傾仰轉椅雖然能讓使用者實現對轉椅傾仰角度的調節,但椅座和椅背之間的同步傾仰角被固定在一定的比例內,從而無法適合於所有使用者,這種椅座和椅背之間受限定的傾仰關係對一些使用者尚不能帶來更好的傾仰體驗。現有可獨立調整椅座、椅背傾仰角度的轉椅尚不能夠提供讓使用者感到十分滿意、符合人體工學的傾仰支撐彈力及角度,不能夠帶給使用者舒適度更高的傾仰體驗。
因此,有必要提供一種新穎且具有進步性之彈力蹺蹺板式的自由傾仰機構及自由調節轉椅,以解決上述之問題。
本發明之主要目的在於提供一種彈力蹺蹺板式的自由傾仰機構及自由調節轉椅,該彈力蹺蹺板式的自由傾仰機構能使得椅座和椅背各自獨立或同時自由地進行角度調節。
為達成上述目的,本發明提供一種彈力蹺蹺板式的自由傾仰機構,包括:一支撐座,供連接一椅腳;一底座,與該支撐座之間轉動連接,供連接一椅座;一翹板,與該支撐座之間轉動連接,供連接一椅背;一第一彈性機構,該第一彈性機構與該底座及該翹板相接以形成一彈力蹺蹺板結構;以及一第二彈性機構,與該支撐座及該底座相接,該第二彈性機構與該第一彈性機構對該底座的作用力方向相反。
為達成上述目的,本發明另提供一種自由調節轉椅,包括:一如上述的彈力蹺蹺板式的自由傾仰機構,另包括一椅座、一椅背及一椅腳。
以下僅以實施例說明本發明可能之實施態樣,然並非用以限制本發明所欲保護之範疇,合先敘明。
請參考圖1至8,其顯示本發明之一較佳實施例,本發明之彈力蹺蹺板式的自由傾仰機構1及自由調節轉椅100包括一支撐座10、一底座20、一翹板30、一第一彈性機構40以及一第二彈性機構50。
該支撐座10供連接一椅腳101;該底座20與該支撐座10之間轉動連接且供連接一椅座102;該翹板30與該支撐座10之間轉動連接且供連接一椅背103;該第一彈性機構40與該底座20及該翹板30相抵接或連接以形成一彈力蹺蹺板結構;該第二彈性機構50與該支撐座10及該底座20相抵接或連接,該第二彈性機構50與該第一彈性機構40對該底座20的作用力方向相反。藉此,該椅座102及該椅背103可自由的在設定範圍內進行任意角度調節。
該支撐座10、該底座20及該翹板30透過一軸件60轉動連接,該第一彈性機構40及該彈力蹺蹺板結構以該軸件60為支點。該第一彈性機構40為扭簧且連接於該軸件60,在本實施例中該第一彈性機構40可轉動地套設於該軸件60。然,該第一彈性機構可為彈片、扭力桿、壓簧、拉簧等能產生彈性勢能的構件;該第一彈性機構可包括二獨立彈性部件(如上述之彈性構件)、或由上述任何彈性構件配合建構而成,只要可施加彈力於該底座及該翹板即可。
該支撐座10及該翹板30其中一者設有至少一導孔、另一者設有至少一可活動地設於該至少一導孔中的導件。在本實施例中,該支撐座10設有至少一導孔11,該翹板30設有至少一可活動地設於該至少一導孔11中的導件31,較佳的,該導孔11為長弧槽,如此該翹板30可平穩地沿該至少一導孔11擺動。
該第二彈性機構50包括至少一抵接或連接於該支撐座10與該底座20之間的壓簧或拉簧。在本實施例中該第二彈性機構50為壓簧,該底座20另設有一底座調節軸21,該扭簧之二端以相反扭向彈頂該導件31及該底座調節軸21,該壓簧與該扭簧分別於該軸件60相對二側抵接於該底座20且達轉矩平衡。較佳地,該支撐座10及該底座20可分別設有容槽或套柱供該壓簧穩定設置。該第二彈性機構亦可為由壓簧及拉簧配合建構而成,亦可為彈片、扭力桿等能產生彈性勢能的構件。該第二彈性機構用於提供平衡彈力朝上彈頂該底座,其與該第一彈性件對該底座的作用力相反而起到平衡作用,藉此,該椅座與該椅背可自動無段地平衡配合而達到真正的自由傾仰,可完美符合任何使用者不同之腿部、臀部及背部之舒適模式。
在本實施例中,該彈力蹺蹺板式的自由傾仰機構1另包括一聯合鎖定結構70,其中該支撐座10設有一鎖定軸12,該聯合鎖定結構70包括一連接於該底座20且與該鎖定軸12可調整地連接之底座鎖定件71、一連接於該翹板30且與該鎖定軸12可調整地連接之翹板鎖定件72、以及一經操作而可鎖定該鎖定軸12、該底座鎖定件71及該翹板鎖定件72之鎖定裝置73。該鎖定軸12穿設於該底座鎖定件71之一導孔711及該翹板鎖定件72之一導孔721,該底座鎖定件71及該翹板鎖定件72之導孔711, 721允許該底座鎖定件71及該翹板鎖定件72相對該鎖定軸12移動,較佳的,該導孔711, 721為長弧槽,如此該底座20及該翹板30可平穩地沿該導孔擺動。該鎖定裝置73包括一設於該支撐座10之扳柄731及一套設於該鎖定軸12之壓簧732,該扳柄731之一端包括有一凸輪部733(例如滾輪),透過扳動該扳柄731可以使其上下動作,從而同時鬆開或鎖定該底座鎖定件71及該翹板鎖定件72。其中,該壓簧亦可為任何可供頂迫而供鎖定之任何構件及材料;該鎖定裝置亦可包括設於該底座或及該翹板之複數定位孔以及該支撐座之至少一銷件,該至少一銷件例如由一扳柄或索線致動,調整後可透過該銷件與該複數定位孔其中一者插設定位,以將調整後之構型鎖定。
在如圖9至11所示之另一實施例中,該彈力蹺蹺板式的自由傾仰機構1a可另包括一底座鎖定裝置74、一翹板鎖定裝置75、一底座鎖定件71及一翹板鎖定件76,其中該支撐座10設有一鎖定軸12,該翹板30設有一鎖定軸32,該底座鎖定件71連接於該底座20且與該支撐座10之鎖定軸12可調整地連接,該翹板鎖定件76連接於該底座20且與該翹板30之鎖定軸32可調整地連接,操作該底座鎖定裝置74可鎖定該底座鎖定件71及該支撐座10之鎖定軸12,操作該翹板鎖定裝置75可鎖定該翹板鎖定件76及該翹板30之鎖定軸32。該支撐座10之鎖定軸12穿設於該底座鎖定件71之一導孔711,該底座鎖定件71之導孔允許該底座鎖定件71相對該支撐座10之鎖定軸12移動;該翹板30之鎖定軸32穿設於該翹板鎖定件76之一導孔761,該翹板鎖定件76之導孔761允許該翹板鎖定件76相對該翹板30之鎖定軸32移動。藉此,該底座20及該翹板30可分別調整及定位。
本發明另提供一種自由調節轉椅100,該自由調節轉椅100包括一如上述的彈力蹺蹺板式的自由傾仰機構,另包括一椅座102、一椅背103及一椅腳101。較佳地,該自由調節轉椅100另包括一氣壓杆104,該氣壓杆104可升降地連接於該支撐座10與該椅腳101之間。
綜上,該彈力蹺蹺板式的自由傾仰機構能使得椅座和椅背可各自獨立或同時自由地進行角度調節、或可進一步鎖定,很大程度地滿足了不同個體的使用者的使用習慣和要求。使用該彈力蹺蹺板式的自由傾仰機構的自由調節轉椅能夠最大可能地滿足使用者對傾仰舒適度的要求,提高使用者的愉悅體驗。
1, 1a:彈力蹺蹺板式的自由傾仰機構 10:支撐座 11, 711, 721, 761:導孔 12:鎖定軸 20:底座 21:底座調節軸 30:翹板 31:導件 32:鎖定軸 40:第一彈性機構 50:第二彈性機構 60:軸件 70:聯合鎖定結構 71:底座鎖定件 | 72:翹板鎖定件 73:鎖定裝置 731:扳柄 732:壓簧 733:凸輪部 74:底座鎖定裝置 75:翹板鎖定裝置 76:翹板鎖定件 100:自由調節轉椅 101:椅腳 102:椅座 103:椅背 104:氣壓杆 |
圖1為本發明一較佳實施例自由調節轉椅之立體圖。
圖2為本發明一較佳實施例自由傾仰機構之分解圖。
圖3為本發明一較佳實施例自由傾仰機構之立體圖。
圖4為本發明一較佳實施例自由傾仰機構之剖面圖。
圖5為本發明一較佳實施例自由傾仰機構之作動示意圖。
圖6為本發明一較佳實施例自由傾仰機構之俯視圖。
圖7至8為本發明一較佳實施例自由傾仰機構之鎖定示意圖。
圖9為本發明另一較佳實施例自由傾仰機構之立體圖。
圖10至11為本發明另一較佳實施例自由傾仰機構之鎖定示意圖。
11,711,721‧‧‧導孔
12‧‧‧鎖定軸
20‧‧‧底座
21‧‧‧底座調節軸
31‧‧‧導件
40‧‧‧第一彈性機構
50‧‧‧第二彈性機構
60‧‧‧軸件
71‧‧‧底座鎖定件
72‧‧‧翹板鎖定件
732‧‧‧壓簧
103‧‧‧椅背
Claims (11)
- 一種彈力蹺蹺板式的自由傾仰機構,包括: 一支撐座,供連接一椅腳; 一底座,與該支撐座之間轉動連接,供連接一椅座; 一翹板,與該支撐座之間轉動連接,供連接一椅背; 一第一彈性機構,該第一彈性機構與該底座及該翹板相接以形成一彈力蹺蹺板結構;以及 一第二彈性機構,與該支撐座及該底座相接,該第二彈性機構與該第一彈性機構對該底座的作用力方向相反。
- 如請求項1所述的彈力蹺蹺板式的自由傾仰機構,其中該支撐座、該底座及該翹板透過一軸件轉動連接,該第一彈性機構可轉動地套設於該軸件,該第一彈性機構及該彈力蹺蹺板結構以該軸件為支點。
- 如請求項1所述的彈力蹺蹺板式的自由傾仰機構,其中該第二彈性機構相接於該支撐座與該底座之間。
- 如請求項1所述的彈力蹺蹺板式的自由傾仰機構,其中該支撐座及該翹板其中一者設有至少一導孔、另一者設有至少一可活動地設於該至少一導孔中的導件。
- 如請求項1所述的彈力蹺蹺板式的自由傾仰機構,另包括一聯合鎖定結構,其中該支撐座設有一鎖定軸,該聯合鎖定結構包括一連接於該底座且與該鎖定軸可調整地連接之底座鎖定件、一連接於該翹板且與該鎖定軸可調整地連接之翹板鎖定件、以及一經操作而可鎖定該鎖定軸、該底座鎖定件及該翹板鎖定件之鎖定裝置。
- 如請求項5所述的彈力蹺蹺板式的自由傾仰機構,其中該鎖定軸穿設於該底座鎖定件之一導孔及該翹板鎖定件之一導孔,該底座鎖定件及該翹板鎖定件之導孔允許該底座鎖定件及該翹板鎖定件相對該鎖定軸移動。
- 如請求項1所述的彈力蹺蹺板式的自由傾仰機構,另包括一底座鎖定裝置、一翹板鎖定裝置、一底座鎖定件及一翹板鎖定件,其中該支撐座設有一鎖定軸,該翹板設有一鎖定軸,該底座鎖定件連接於該底座且與該支撐座之鎖定軸可調整地連接,該翹板鎖定件連接於該底座且與該翹板之鎖定軸可調整地連接,操作該底座鎖定裝置可鎖定該底座鎖定件及該支撐座之鎖定軸,操作該翹板鎖定裝置可鎖定該翹板鎖定件及該翹板之鎖定軸。
- 如請求項7所述的彈力蹺蹺板式的自由傾仰機構,其中該支撐座之鎖定軸穿設於該底座鎖定件之一導孔,該底座鎖定件之導孔允許該底座鎖定件相對該支撐座之鎖定軸移動;該翹板之鎖定軸穿設於該翹板鎖定件之一導孔,該翹板鎖定件之導孔允許該翹板鎖定件相對該翹板之鎖定軸移動。
- 如請求項6所述的彈力蹺蹺板式的自由傾仰機構,其中該支撐座、該底座及該翹板透過一軸件轉動連接;該第一彈性機構可轉動地套設於該軸件;該第一彈性機構及該彈力蹺蹺板結構以該軸件為支點;該第二彈性機構相接於該支撐座與該底座之間;該支撐座設有至少一導孔,該翹板設有至少一可活動地設於該至少一導孔中的導件;該底座另設有一底座調節軸,該第一彈性機構之二端以相反方向彈頂該導件及該底座調節軸;該第一彈性機構與該第二彈性機構分別對該底座產生相反的作用力,使該底座達轉矩平衡。
- 一種自由調節轉椅,包括一如請求項1至9任一項所述的彈力蹺蹺板式的自由傾仰機構,另包括一椅座、一椅背及一椅腳,該椅背連接該翹板。
- 如請求項10所述的自由調節轉椅,另包括一氣壓杆,該氣壓杆可升降地連接於該支撐座與該椅腳之間。
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