JP2013178401A5

JP2013178401A5 -

Info

Publication number: JP2013178401A5
Application number: JP2012042476A
Authority: JP
Filing date: 2012-02-28
Publication date: 2015-04-16

Description

レンズ鏡筒は、所定軸方向に延びる筒状部材と、前記筒状部材に挿入され、前記所定軸方向にスライドする軸部材と、前記軸部材の一端を支持し、前記軸部材の前記筒状部材に対するスライドにより前記所定軸方向にガイドされる、光学部材を保持する保持部材と、を備え、前記軸部材は、前記筒状部材の前記保持部材側で、前記保持部材がスライドする場合に前記筒状部材と嵌合し続ける第１嵌合部と、前記第１嵌合部から離れた位置で前記筒状部材と嵌合する第２嵌合部と、前記第１嵌合部と前記第２嵌合部との間に配置され、前記第１嵌合部及び前記第２嵌合部の外径よりも小さい外径を有する中間部と、を有する。 The lens barrel includes a cylindrical member that extends in a predetermined axial direction, a shaft member that is inserted into the cylindrical member and slides in the predetermined axial direction, supports one end of the shaft member, and the cylindrical shape of the shaft member. A holding member that holds an optical member guided in the predetermined axial direction by sliding with respect to the member, and the shaft member is located on the holding member side of the cylindrical member, and the holding member slides when the holding member slides. A first fitting portion that continues to be fitted to the tubular member, a second fitting portion that is fitted to the tubular member at a position away from the first fitting portion, the first fitting portion, and the first fitting portion. 2 and an intermediate portion having an outer diameter smaller than the outer diameter of the first fitting portion and the second fitting portion.

撮像装置は、前記レンズ鏡筒と、前記レンズ鏡筒により結ばれた画像を撮像する撮像部と、を備える。 The imaging apparatus includes the lens barrel and an imaging unit that captures an image connected by the lens barrel.

Claims

所定軸方向に延びる筒状部材と、
前記筒状部材に挿入され、前記所定軸方向にスライドする軸部材と、
前記軸部材の一端を支持し、前記軸部材の前記筒状部材に対するスライドにより前記所定軸方向にガイドされる、光学部材を保持する保持部材と、
を備え、
前記軸部材は、
前記筒状部材の前記保持部材側で、前記保持部材がスライドする場合に前記筒状部材と嵌合し続ける第１嵌合部と、
前記第１嵌合部から離れた位置で前記筒状部材と嵌合する第２嵌合部と、
前記第１嵌合部と前記第２嵌合部との間に配置され、前記第１嵌合部及び前記第２嵌合部の外径よりも小さい外径を有する中間部と、
を有することを特徴とするレンズ鏡筒。 A tubular member extending to a predetermined Teijiku direction,
A shaft member inserted into the cylindrical member and sliding in the predetermined axial direction;
A holding member that supports one end of the shaft member and that is guided in the predetermined axial direction by sliding the shaft member with respect to the cylindrical member;
With
The shaft member is
In the holding member side of the tubular member, a first fitting portion to keep engaged with the tubular member when the holding member slides,
A second fitting portion to be fitted with said tubular member at a location remote from the first fitting part,
An intermediate portion disposed between the first fitting portion and the second fitting portion, and having an outer diameter smaller than the outer diameters of the first fitting portion and the second fitting portion;
A lens barrel comprising:

前記所定軸方向に延び、前記保持部材に接触され、前記保持部材の前記所定軸回り方向の移動動作を規制する規制部材を更に備え、
前記規制部材は、前記保持部材がスライドする場合に、前記保持部材と接触し続けることが可能な長さを有することを特徴とする請求項１に記載のレンズ鏡筒。 A regulating member that extends in the predetermined axial direction, is in contact with the holding member , and regulates a movement operation of the holding member around the predetermined axis;
The regulating member, when the retaining member slides, the lens barrel according to claim 1, characterized in that it comprises that the possible length to keep in contact with the holding member.

前記筒状部材が固定された基準部材を有することを特徴とする請求項２に記載のレンズ鏡筒。 The lens barrel according to claim 2, further comprising a reference member to which the cylindrical member is fixed.

前記基準部材は、前記所定軸方向に延びる延伸部材を有し、
前記筒状部材及び前記延伸部材のいずれか一方は、第２光学部材を保持する第２保持部材が前記所定軸方向に移動する際のガイドとして用いられ、前記筒状部材及び前記延伸部材のいずれか他方は、前記第２保持部材と接触することで、前記第２保持部材の前記所定軸回りの方向の移動動作を規制することを特徴とする請求項３に記載のレンズ鏡筒。 The reference member has an extending member extending in the predetermined axial direction,
Either the cylindrical member or the extending member is used as a guide when the second holding member that holds the second optical member moves in the predetermined axial direction, and either the cylindrical member or the extending member is used. 4. The lens barrel according to claim 3 , wherein the other restricts the movement of the second holding member in the direction around the predetermined axis by contacting the second holding member. 5.

前記延伸部材は、筒形状を有し、
前記規制部材は、軸状であり、前記保持部材に固定され、前記延伸部材の内部に挿入され、
前記規制部材の外径は、前記延伸部材の内径よりも小さいことを特徴とする請求項４に記載のレンズ鏡筒。 The extending member has a cylindrical shape,
The regulating member is a shaft-shaped, is fixed to the holding member is inserted inside the stretching member,
The lens barrel according to claim 4 , wherein an outer diameter of the regulating member is smaller than an inner diameter of the extending member.

前記第１嵌合部及び前記第２嵌合部は、前記軸部材の両端に設けられていることを特徴とする請求項１〜５のいずれか一項に記載のレンズ鏡筒。 The first fitting part and the second fitting portion, the lens barrel according to any one of claims 1 to 5, characterized in that are provided at both ends of the shaft member.

前記筒状部材と前記延伸部材は、前記レンズ鏡筒の光軸を基準として１８０度対向する位置に配置されていることを特徴とする請求項４または５に記載のレンズ鏡筒。 6. The lens barrel according to claim 4, wherein the cylindrical member and the extending member are disposed at positions that face each other by 180 degrees with respect to an optical axis of the lens barrel.

請求項１〜７のいずれか一項に記載のレンズ鏡筒と、
前記レンズ鏡筒により結ばれた画像を撮像する撮像部と、を備える撮像装置。 The lens barrel according to any one of claims 1 to 7 ,
An imaging device comprising: an imaging unit that captures an image connected by the lens barrel.