Claims (6)
一種鏡頭模組,其包括一鏡筒、一鏡座及一彈性元件;所述鏡筒包括依次相連接之一作動部及一軸接部,所述作動部之直徑大於軸接部之直徑,該作動部具有一與軸接部相連接之階梯面,所述軸接部上設置有外螺紋,所述外螺紋遠離所述作動部設置;所述鏡座開設有收容所述鏡筒之通孔,該鏡座朝向於物側之一端為上端面,所述通孔內設置有內螺紋,所述內螺紋遠離上端面設置,且所述鏡筒上之外螺紋與所述鏡座上之內螺紋形成松配合使得兩者之間在軸向不相鎖附;所述彈性元件設置於鏡筒之階梯面與鏡座之上端面之間,並彈性抵持在階梯面及上端面之間。
A lens module includes a lens barrel, a lens holder and an elastic member; the lens barrel includes one of an actuating portion and a shaft connecting portion, wherein the diameter of the actuating portion is larger than the diameter of the shaft portion, The actuating portion has a stepped surface connected to the shaft connecting portion, the shaft connecting portion is provided with an external thread, and the external thread is disposed away from the actuating portion; the mirror base is provided with a through hole for receiving the lens barrel One end of the lens holder facing the object side is an upper end surface, and the through hole is provided with an internal thread, the internal thread is disposed away from the upper end surface, and the external thread on the lens barrel is inside the lens holder The thread forms a loose fit so that the two are not axially locked; the elastic element is disposed between the step surface of the lens barrel and the upper end surface of the lens holder, and elastically resists between the step surface and the upper end surface.
如申請專利範圍第1項所述之鏡頭模組,其中:所述鏡筒之外螺紋之齒厚小於所述鏡座之內螺紋之螺距。
The lens module of claim 1, wherein: the tooth thickness of the external thread of the lens barrel is smaller than the pitch of the internal thread of the lens holder.
如申請專利範圍第1項所述之鏡頭模組,其中:所述彈性元件為環狀彈簧,其具有環狀部及設在環狀部上之彈片,彈片一端與環狀部連接,另外一端向遠離環狀部之一個端面翹起。
The lens module of claim 1, wherein the elastic element is an annular spring having an annular portion and a resilient piece disposed on the annular portion, the elastic piece being connected to the annular portion at one end, and the other end Lifting away from one end face away from the annular portion.
如申請專利範圍第1項所述之鏡頭模組,其中:所述作動部為圓盤狀,其邊緣間隔均勻之開設有多個凹槽。
The lens module of claim 1, wherein the actuating portion has a disk shape, and the edges are evenly spaced apart to provide a plurality of grooves.
如申請專利範圍第4項所述之鏡頭模組,其中:所述凹槽為半圓形。
The lens module of claim 4, wherein the groove is semi-circular.
如申請專利範圍第1項所述之鏡頭模組,其中:所述外螺紋與所述內螺紋之螺紋圈數為2~3圈。
The lens module of claim 1, wherein the number of threads of the external thread and the internal thread is 2 to 3 turns.