A kind of with guard bar structure,With a divider switch,The divider switch include: it is upper,Lower seat,Mandrel and operating handle,Seat of honour top,Bottom side is equipped with an accommodating space and the upper conjunction gear of plural number,Accommodating space bottom sets a medium pore and is connected to conjunction gear center,One first column frame is connected on the outside of the seat of honour,The lower seat top,Bottom side is equipped with the lower conjunction gear of plural number and an accommodating recess portion,Accommodating recess portion top side sets a medium pore and is connected to lower conjunction gear center,One second column frame is connected on the outside of lower seat,The mandrel system on this,The medium pore of lower seat,One end protrudes into accommodating recess portion and combines plural spring shim,The other end then protrudes into accommodating space and is pivotally connected what operating handle one end,The operating handle end be equipped with first,Two resistance surfaces have different spacing from pivot joint position respectively,Rotate the operating handle and can make first,Two resistance surfaces support the what seat of honour respectively,Conjunction gear on this is set to generate intermeshing with lower conjunction gear or separate,With to this first,Two column framves form the control pivoted.一種床用護欄結構,具有一護欄開關,該護欄開關包括:上、下座、芯軸及操作握把,該上座頂、底側設有一容置空間及複數上結合齒,容置空間底部設一中央孔連通至上結合齒中央,上座外側連接一第一欄架,該下座頂、底側設有複數下結合齒及一容置凹部,容置凹部頂側設一中央孔連通至下結合齒中央,下座外側連接一第二欄架,該芯軸係貫穿該上、下座的中央孔,其一端伸入容置凹部內並結合複數彈簧墊片,另一端則伸入容置空間內並樞接於操作握把一端,該操作握把端部設有第一、二抵觸面分別與樞接部位具有不同間距,轉動該操作握把可使第一、二抵觸面分別抵頂於上座,使該上結合齒與下結合齒產生相互嚙合或分離,以對該第一、二欄架形成樞轉的控制。