JP2012247568A - Mirror holder - Google Patents

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JP2012247568A
JP2012247568A JP2011118252A JP2011118252A JP2012247568A JP 2012247568 A JP2012247568 A JP 2012247568A JP 2011118252 A JP2011118252 A JP 2011118252A JP 2011118252 A JP2011118252 A JP 2011118252A JP 2012247568 A JP2012247568 A JP 2012247568A
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mirror
holding member
mirror holding
mount
seat
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Wataru Nakada
渉 中田
Hideo Yachi
秀夫 谷内
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SIGMAKOKI Co Ltd
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SIGMAKOKI Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To solve such a problem that, when a spring is disposed between a fulcrum part and an adjustment screw, biasing force due to the spring acts also on a mirror holding member as a moment.SOLUTION: A mirror holding member 3 for holding a mirror 4 is tiltably supported on a mount member 2 by a fulcrum part 8 and a tilt angle is adjustably supported by adjustment screws 6. On one line between the adjustment screw 6 and the fulcrum part 8, washers 12 and 13 are disposed which have compression springs 10 and 11 for energizing the mirror holding member 3 toward the mount member 2.

Description

本発明は、例えばレーザ発振器などの光学装置において、ミラーを保持するミラーホルダに係り、詳しくは、ミラーの傾動角を調整する機構に関する。   The present invention relates to a mirror holder that holds a mirror in an optical device such as a laser oscillator, and more particularly to a mechanism that adjusts the tilt angle of the mirror.

一般に、レーザ発振器は、相対向して配置された全反射ミラー及び出力ミラーの間にレーザ媒体を設け、該レーザ媒体に励起光を照射して得られた光をミラー間で反射増幅させた後、その一部を出力ミラーによりレーザ光として取り出している。   In general, a laser oscillator is provided with a laser medium between total reflection mirrors and output mirrors arranged opposite to each other, and after the light obtained by irradiating the laser medium with excitation light is reflected and amplified between the mirrors A part of it is taken out as laser light by an output mirror.

このようなレーザ発振器においては、上述した一対のミラーの平行度を保つと共に安定したレーザ出力を得るために、ミラーを保持しその傾動角を調整可能なミラーホルダが知られている。この種のミラーホルダは、レーザ発振器等の光学装置のベースに固定されるマウント部材と、ミラーを一体に保持して上記マウント部材に対して傾動自在に支持されたミラー保持部材と、を有し、上記マウント部材とミラー保持部材との間にネジ機構を設け、複数の調整ネジの進退運動によって上記マウント部材に対するミラーの傾きを調整している(特許文献1、2参照)。   In such a laser oscillator, in order to maintain the parallelism of the above-described pair of mirrors and to obtain a stable laser output, a mirror holder is known that can hold a mirror and adjust its tilt angle. This type of mirror holder has a mount member fixed to the base of an optical device such as a laser oscillator, and a mirror holding member that holds the mirror integrally and is supported to be tiltable with respect to the mount member. A screw mechanism is provided between the mount member and the mirror holding member, and the inclination of the mirror with respect to the mount member is adjusted by advancing and retreating movements of a plurality of adjustment screws (see Patent Documents 1 and 2).

特許文献1記載のものは、図7(A)及び(B)に示すように、マウント部材101とミラー102を備えたミラー保持部材103とを引張コイルバネ104で接続し、該引張コイルバネ104の付勢力に抗して調整ネジ105を進退させることで、ミラー102のマウント部材101に対する傾動角を調整する。   7A and 7B, a mount member 101 and a mirror holding member 103 having a mirror 102 are connected by a tension coil spring 104, and the tension coil spring 104 is attached. The tilt angle of the mirror 102 with respect to the mount member 101 is adjusted by moving the adjusting screw 105 forward and backward against the force.

特許文献2記載のものは、マウント部材に圧縮バネの圧縮応力を受ける係止部を設け、連結ネジが上記圧縮バネ、マウント部材、及びミラー保持部材を順に貫通して、上記マウント部材が上記ミラー保持部材に付勢されると共に接続され、該圧縮バネの付勢力に抗して調整ネジを進退させてマウント部材に対するミラーの傾動角を調整する。   In the device described in Patent Document 2, a locking portion that receives the compressive stress of the compression spring is provided on the mount member, the connecting screw passes through the compression spring, the mount member, and the mirror holding member in order, and the mount member is the mirror. The holding member is urged and connected, and the adjustment screw is advanced and retracted against the urging force of the compression spring to adjust the tilt angle of the mirror with respect to the mount member.

特開2002−21835号公報Japanese Patent Laid-Open No. 2002-21835 特開2007−156204号公報JP 2007-156204 A

上記のように、特許文献1及び2記載のものは、マウント部材101とミラー102を保持するミラー保持部材103とを引張コイルバネ104や圧縮バネといった付勢部材を用いて接続及び保持する構造となっているが、何れも付勢部材104が、ミラー保持部材103をマウント部材101に対して傾動自在に支持する支点106と調整ネジ105との間に位置している(図7(A)及び(B)参照)。この場合、特許文献1記載のもののように、引張バネ104の強い付勢力がミラー保持部材103に作用すると、該ミラー保持部材103が撓み、該ミラー保持部材103に保持されたミラー102の角度を正確に設定することが困難となって、例えばレーザ発振器等の光学装置における相対向して配置されるミラー間での反射増幅に重要な平面度を損なう虞がある(図8参照)。   As described above, the devices described in Patent Documents 1 and 2 have a structure in which the mount member 101 and the mirror holding member 103 that holds the mirror 102 are connected and held using a biasing member such as a tension coil spring 104 or a compression spring. However, in any case, the urging member 104 is positioned between the fulcrum 106 that supports the mirror holding member 103 so as to be tiltable with respect to the mount member 101 and the adjusting screw 105 (FIGS. 7A and 7B). B)). In this case, as described in Patent Document 1, when a strong biasing force of the tension spring 104 acts on the mirror holding member 103, the mirror holding member 103 bends, and the angle of the mirror 102 held by the mirror holding member 103 is changed. It becomes difficult to set accurately, and there is a risk that flatness important for reflection amplification between mirrors arranged opposite to each other in an optical device such as a laser oscillator may be impaired (see FIG. 8).

上記マウント部材に圧縮バネの圧縮応力を受ける係止部を設けた特許文献2記載のものも、上記マウント部材にある係止部だけでなく、上記連結ネジを介してミラー保持部材にも圧縮バネの付勢力が作用するので、上記ミラー保持部材に装着されたミラーが撓む虞がある。   The mounting member described in Patent Document 2 in which the mounting member is provided with a locking portion that receives the compression stress of the compression spring is not limited to the locking portion on the mounting member, but also on the mirror holding member via the connecting screw. Therefore, the mirror mounted on the mirror holding member may be bent.

なお、マウント部材とミラー保持部材を接続する付勢部材には、例えば調整ネジを動かして上記マウント部材に対するミラーの傾動角を調整する場合において、ブレなくミラーを保持するために強い付勢力が必要であるので、付勢力の弱い付勢部材に換えることはできない。   Note that the urging member that connects the mount member and the mirror holding member needs a strong urging force to hold the mirror without blur when, for example, the adjustment screw is moved to adjust the tilt angle of the mirror with respect to the mount member. Therefore, it cannot be replaced with a biasing member having a weak biasing force.

また、支点と調整ネジの間に付勢部材を配置する必要から小型化に制限があった。   In addition, there is a limit to downsizing because it is necessary to dispose the biasing member between the fulcrum and the adjusting screw.

そこで、本発明は、ミラーを保持するミラー保持部材が撓むことなく、傾動可能に構成したミラーホルダを提供することを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to provide a mirror holder that can be tilted without bending a mirror holding member that holds the mirror.

本発明は、ミラー(4)を一体的に保持するミラー保持部材(3)と、
該ミラー保持部材(3)に対向配置されるマウント部材(2)と、
前記ミラー保持部材(3)を前記マウント部材(2)に対して傾動自在に支持する支点部(8)と、
前記ミラー保持部材(3)及び前記マウント部材(2)のいずれか一方に螺合され、他方に先端が当接して、前記マウント部材(3)に対する前記ミラー保持部材(2)の傾動角を調整する調整ネジ(6)と、
前記ミラー保持部材(3)と前記マウント部材(2)とが、前記支点部(8)及び前記調整ネジ(6)を介して当接するように付勢する付勢部材(10,11),(101,11)と、
を備えてなるミラーホルダ(1)において、
前記付勢部材(10,11),(101,11)が、前記支点部(8)及び前記調整ネジ(6)と一軸上に配置されてなる、
ことを特徴とするミラーホルダ(1)にある。
The present invention includes a mirror holding member (3) that integrally holds the mirror (4),
A mount member (2) disposed opposite to the mirror holding member (3);
A fulcrum part (8) for supporting the mirror holding member (3) in a tiltable manner with respect to the mount member (2);
The tip of the mirror holding member (3) or the mount member (2) is screwed and the other end abuts to adjust the tilt angle of the mirror holding member (2) with respect to the mount member (3). Adjusting screw (6) to be
Energizing members (10, 11), which energize the mirror holding member (3) and the mount member (2) so as to abut via the fulcrum portion (8) and the adjusting screw (6). 10 1, 11 1 ),
In the mirror holder (1) comprising:
The urging members (10, 11), (10 1, 11 1 ) are arranged on one axis with the fulcrum part (8) and the adjustment screw (6).
The mirror holder (1) is characterized in that.

なお、支点部は、ボール(8)でも、マウント部材(2)及びミラー保持部材(3)のいずれか一方(例えばマウント部材)に螺合したネジの先端に設けた半球状の当接部でもよい。また、付勢部材は、圧縮バネ等のバネでも、互いに反発又は吸引する磁石でもよい。   The fulcrum portion may be a ball (8) or a hemispherical abutting portion provided at the tip of a screw screwed to one of the mount member (2) and the mirror holding member (3) (for example, the mount member). Good. The biasing member may be a spring such as a compression spring or a magnet that repels or attracts each other.

例えば図1を参照して、前記調整ネジ(6)が螺合されている、前記マウント部材(2)及び前記ミラー保持部材(3)のいずれか一方に、前記付勢部材(10,11)を支持する座(12,13)を一体に設け、
該座(12,13)と前記マウント部材(2)及び前記ミラー保持部材(3)のいずれか他方との間に、前記付勢部材(10,11)をその付勢力に抗するように配置し、
前記座(12,13)と前記付勢部材(10,11)と前記調整ネジ(6)又は前記支点部(8)とが一軸上に配置されてなる。
For example, referring to FIG. 1, the urging member (10, 11) is attached to one of the mount member (2) and the mirror holding member (3) to which the adjustment screw (6) is screwed. The seats (12, 13) that support the
The urging member (10, 11) is disposed between the seat (12, 13) and the mount member (2) or the mirror holding member (3) so as to resist the urging force. And
The seat (12, 13), the urging member (10, 11), the adjustment screw (6) or the fulcrum part (8) are arranged on one axis.

なお、調整ネジ(6)は、マウント部材(2)に螺合されて、その先端の当接部(5)がミラー支持部材(3)に当接することが好ましいが、逆でもよい。   The adjustment screw (6) is preferably screwed into the mount member (2), and the contact portion (5) at the tip thereof is in contact with the mirror support member (3).

例えば図3を参照して、前記調整ネジ(6)の先端から、前記マウント部材(2)及び前記ミラー保持部材(3)のいずれか他方を貫通して延出するロッド(14)に座(12)を設け、
該座(12)と前記マウント部材(2)及び前記ミラー保持部材(3)のいずれか他方との間に、前記付勢部材(10)をその付勢力に抗して配置し、
前記座(12)と前記付勢部材(10)と前記調整ネジ(6)が一軸上に配置されてなる。
For example, referring to FIG. 3, a seat (on a rod (14) extending from the tip of the adjustment screw (6) through the other one of the mount member (2) and the mirror holding member (3) ( 12)
Between the seat (12) and the other one of the mount member (2) and the mirror holding member (3), the biasing member (10) is disposed against the biasing force,
The seat (12), the biasing member (10), and the adjustment screw (6) are arranged on one axis.

例えば図3を参照して、前記支点部(8)から、前記マウント部材(2)及び前記ミラー保持部材(3)の少なくとも一方を貫通して延出するロッド(15)に座(13)を設け、
該座(13)と前記マウント部材(2)及び前記ミラー保持部材(3)の少なくとも一方との間に、前記付勢部材(11)をその付勢力に抗するように配置し、
前記座(13)と前記付勢部材(11)と前記支点部(8)とが一軸上に配置されてなる。
For example, referring to FIG. 3, a seat (13) is attached to a rod (15) extending from the fulcrum (8) through at least one of the mount member (2) and the mirror holding member (3). Provided,
Between the seat (13) and at least one of the mount member (2) and the mirror holding member (3), the biasing member (11) is disposed so as to resist the biasing force,
The seat (13), the urging member (11), and the fulcrum part (8) are arranged on one axis.

なお、支点部が上述したネジ先端の半球状の当接部により構成される場合、上記ロッド(15)は、前記当接部に接する側の前記マウント部材(2)又は前記ミラー保持部材(3)(例えばミラー保持部材)を貫通して延びる1個で足りる。   When the fulcrum portion is constituted by the above-described hemispherical abutting portion of the screw, the rod (15) is configured such that the mount member (2) or the mirror holding member (3) on the side in contact with the abutting portion. ) (For example, a mirror holding member) that extends through one piece is sufficient.

例えば図1及び図3を参照して、前記付勢部材(10,11)は、圧縮バネであることが好ましいが、互いに反発する1対の磁石でもよい。   For example, referring to FIGS. 1 and 3, the biasing members (10, 11) are preferably compression springs, but may be a pair of magnets that repel each other.

例えば図6を参照して、前記座(12,13)における前記付勢部材(10,11)の反対側からロックボルト(20)を螺合し、該座(10,11)と前記マウント部材(2)及び前記ミラー保持部材(3)のいずれか他方との間を前記ロックボルト(20)で固定してなる。   For example, referring to FIG. 6, a lock bolt (20) is screwed from the opposite side of the urging member (10, 11) in the seat (12, 13), and the seat (10, 11) and the mount member (2) and the mirror holding member (3) are fixed between the other with the lock bolt (20).

例えば図4を参照して、前記付勢部材が吸着方向に付勢される磁石(10,11)からなり、
該磁石(10,11)が、前記マウント部材(2)及び前記ミラー保持部材(3)のいずれか他方に配置されて前記調整ネジ(6)の先端を吸着すると共に、前記マウント部材(2)及び前記ミラー保持部材(3)の少なくとも一方に配置されて前記支点部(8)を吸着してなる。
For example, referring to FIG. 4, the biasing member is composed of magnets (10 1 , 11 1 ) biased in the attracting direction,
The magnets (10 1 , 11 1 ) are arranged on the other of the mount member (2) and the mirror holding member (3) to attract the tip of the adjustment screw (6), and the mount member ( 2) and at least one of the mirror holding member (3) and adsorbs the fulcrum part (8).

なお、上記カッコ内の符号は、図面と対照するためのものであるが、これにより特許請求の範囲の記載に何等影響を及ぼすものではない。   In addition, although the code | symbol in the said parenthesis is for contrast with drawing, it does not have any influence on description of a claim by this.

請求項1に係る本発明によると、ミラー保持部材とマウント部材は支点部及び調整ネジを介して当接し、該支点部及び調整ネジと一軸上に付勢力が作用するので、該付勢力により、ミラー保持部材が撓むことがなく、比較的強い付勢力でミラー保持部材を保持するものでありながら、ミラーを高い精度に保持することができる。これによって、例えばレーザ発振器等の光学装置において、安定したレーザ出力を得ることができる。また、前記支点部及び調整ネジと一軸上に付勢部材を設けたので、調整ネジと支点部の間を詰めることができ、小型化が可能になる。   According to the first aspect of the present invention, the mirror holding member and the mount member are in contact with each other via the fulcrum portion and the adjustment screw, and the urging force acts on the fulcrum portion and the adjustment screw on one axis. Although the mirror holding member is not bent and the mirror holding member is held with a relatively strong biasing force, the mirror can be held with high accuracy. Thereby, a stable laser output can be obtained in an optical device such as a laser oscillator. In addition, since the urging member is provided on one axis with the fulcrum part and the adjustment screw, the space between the adjustment screw and the fulcrum part can be reduced, and the size can be reduced.

請求項2に係る本発明によると、調整ネジが螺合されているマウント部材及びミラー保持部材のいずれか一方に、付勢部材を支持する座を、付勢部材と上記調整ネジ又は支点部とが一軸上かつ一体に設けたので、ミラーの高い平面度を維持すると共に、構造が簡単で信頼性がある。   According to the second aspect of the present invention, the seat for supporting the urging member is mounted on either the mount member or the mirror holding member into which the adjustment screw is screwed, and the urging member and the adjustment screw or the fulcrum portion. Are provided on one axis and integrally, so that the high flatness of the mirror is maintained and the structure is simple and reliable.

請求項3及び請求項4に係る本発明によると、上記座を設けるために、調整ネジが螺合されているマウント部材及びミラー保持部材のいずれか一方が、例えばそれらのいずれか他方を囲むようにして延設する必要がないので、更なる小型化が可能になる。   According to the third and fourth aspects of the present invention, in order to provide the seat, one of the mount member and the mirror holding member into which the adjusting screw is screwed, for example, surrounds one of them. Since it is not necessary to extend, further downsizing becomes possible.

請求項5に係る本発明によると、付勢部材が圧縮バネであるので、比較的簡易な構造で、安定してミラー保持部材を保持することができる。   According to the present invention of claim 5, since the urging member is a compression spring, the mirror holding member can be stably held with a relatively simple structure.

請求項6に係る本発明によると、付勢部材と調整ネジ又は支点部と一軸上で、マウント部材及びミラー保持部材のいずれか他方がロックボルト及び上記調整ネジによって挟持されるので、ミラーの平面度は維持したままでマウント部材にミラー保持部材を確実に固定することができる。   According to the sixth aspect of the present invention, the urging member and the adjusting screw or the fulcrum portion and the other one of the mount member and the mirror holding member are clamped by the lock bolt and the adjusting screw. The mirror holding member can be reliably fixed to the mount member while maintaining the degree.

請求項7に係る本発明によると、調整ネジ又は支点部と一軸上に配置される付勢部材が磁石からなり、上記調整ネジ及び支点部を吸着するので、ミラーの平面度は維持したままで、簡易でコンパクトな構造でマウント部材に対するミラー保持部材の傾動角を調整することができる。   According to the seventh aspect of the present invention, the biasing member arranged on one axis with the adjustment screw or the fulcrum portion is made of a magnet and adsorbs the adjustment screw and the fulcrum portion, so that the flatness of the mirror is maintained. The tilt angle of the mirror holding member relative to the mount member can be adjusted with a simple and compact structure.

本発明の第1の実施の形態に係るミラーホルダを示す図であって、(A)は正面図、(B)は側部断面図である。It is a figure which shows the mirror holder which concerns on the 1st Embodiment of this invention, Comprising: (A) is a front view, (B) is side part sectional drawing. 図1(B)における、ミラーホルダに作用する付勢力の関係を示す模式図。The schematic diagram which shows the relationship of the urging | biasing force which acts on the mirror holder in FIG.1 (B). 本発明の第2の実施の形態に係るミラーホルダを示す図であって、(A)は正面図、(B)は側部断面図である。It is a figure which shows the mirror holder which concerns on the 2nd Embodiment of this invention, Comprising: (A) is a front view, (B) is side part sectional drawing. 本発明の第3の実施の形態に係るミラーホルダを示す図であって、(A)は正面図、(B)は側部断面図である。It is a figure which shows the mirror holder which concerns on the 3rd Embodiment of this invention, Comprising: (A) is a front view, (B) is side part sectional drawing. 本発明の第4の実施の形態に係るミラーホルダを示す図であって、(A)は正面図、(B)は側部断面図である。It is a figure which shows the mirror holder which concerns on the 4th Embodiment of this invention, Comprising: (A) is a front view, (B) is side sectional drawing. 本発明の第5の実施の形態に係るミラーホルダを示す図であって、(A)は正面図、(B)は側部断面図である。It is a figure which shows the mirror holder which concerns on the 5th Embodiment of this invention, Comprising: (A) is a front view, (B) is side part sectional drawing. 本発明の従来技術に係る実施例の一例を示し、(A)が正面図、(B)が側面図である。An example of the Example based on the prior art of this invention is shown, (A) is a front view, (B) is a side view. 図7(B)における、ミラーホルダに作用する付勢力の関係を示す模式図である。It is a schematic diagram which shows the relationship of the urging | biasing force which acts on a mirror holder in FIG.7 (B).

以下、図面に沿って、本発明の実施の形態に係るミラーホルダについて説明する。   Hereinafter, a mirror holder according to an embodiment of the present invention will be described with reference to the drawings.

(第1の実施の形態)
図1(A)及び(B)に示すように、第1の実施の形態によるミラーホルダ1は、例えば図示されないレーザ発振器のベース部分に固定される側面視略々コ字状のマウント部材2と、該マウント部材2のコ字部内に対向配置されて、該マウント部材2に対して後述のごとく傾動自在に支持されるミラー保持部材3と、を有する。該ミラー保持部材3は、上記マウント部材2の反対側にミラー4を装着する。
(First embodiment)
As shown in FIGS. 1A and 1B, a mirror holder 1 according to the first embodiment includes, for example, a substantially U-shaped mount member 2 fixed to a base portion of a laser oscillator (not shown). And a mirror holding member 3 that is opposed to the U-shaped portion of the mount member 2 and is tiltably supported with respect to the mount member 2 as will be described later. The mirror holding member 3 mounts a mirror 4 on the opposite side of the mount member 2.

上記マウント部材2には、上記ミラー保持部材3の反対側から、先端に半球状の当接部5,5を有する2本の調整ネジ6,6が螺合され、該調整ネジ6,6の先端の当接部5,5は上記ミラー保持部材3を押圧する。該ミラー保持部材3は、押圧される面に受部7を有し、該受部7は硬度の高い材料からなり上記当接部5が嵌合するように凹部を形成する。   Two adjustment screws 6, 6 having hemispherical contact portions 5, 5 at the tip are screwed onto the mount member 2 from the opposite side of the mirror holding member 3. The contact portions 5 and 5 at the tip press the mirror holding member 3. The mirror holding member 3 has a receiving portion 7 on a surface to be pressed, and the receiving portion 7 is made of a material having high hardness and forms a recess so that the abutting portion 5 is fitted.

なお、本実施例においては2本の調整ネジを配置したが、2本以上でもよく、調整ネジと一軸上の部材は2本の調整ネジにおいて互いに同一なので、一方の調整ネジ及びそれと一軸上の部材のみを説明して、他方の説明は省略する。   In this embodiment, two adjustment screws are arranged. However, two or more adjustment screws may be used, and the adjustment screw and the uniaxial member are identical to each other in the two adjustment screws. Only the members will be described, and the other description will be omitted.

正面視(図1(A)参照)において、上記調整ネジ6,6が配置されている位置から延びる線が直交する位置にボール8が設けられ、該ボール8は、上記マウント部材2及びミラー保持部材3に挟持されている。上記マウント部材2及びミラー保持部材3の上記ボール8と当接する位置において、断面三角形状のすり鉢形状からなる窪部9が形成され、上記ボール8は、上記窪部9に位置決めされて上記ミラー保持部材3を傾動自在に支持する支点部を構成する。   In a front view (see FIG. 1 (A)), a ball 8 is provided at a position where a line extending from a position where the adjusting screws 6 and 6 are disposed is orthogonal to the mounting member 2 and a mirror. It is sandwiched between the members 3. At the position where the mount member 2 and the mirror holding member 3 are in contact with the ball 8, a recess 9 having a mortar shape having a triangular cross section is formed, and the ball 8 is positioned in the recess 9 to hold the mirror. The fulcrum part which supports the member 3 so that tilting is possible is comprised.

また、上記マウント部材2は、上記ミラー保持部材3が調整ねじ6又はボール8とで挟持するように、かつ上記調整ネジ6又は上記ボール8と一軸上に圧縮バネ10,11を係止する座12,13を一体に設ける。該座12,13とミラー保持部材3との間に圧縮バネ10,11が縮されており、調整ネジ6と同一軸線上に配置された圧縮バネ10は、ミラー保持部材の受部7を調整ネジ6の先端の当接部5に当接するように付勢し、支点部であるボール8の正面図における中心点と同一軸線上に配置された圧縮バネ11は、ミラー保持部材をボール8に当接するように付勢して、ミラー保持部材3をマウント部材2に一体に支持している。   The mount member 2 is a seat for holding the compression springs 10 and 11 on one axis with the adjustment screw 6 or the ball 8 so that the mirror holding member 3 is clamped by the adjustment screw 6 or the ball 8. 12 and 13 are provided integrally. The compression springs 10 and 11 are contracted between the seats 12 and 13 and the mirror holding member 3, and the compression spring 10 disposed on the same axis as the adjustment screw 6 adjusts the receiving portion 7 of the mirror holding member. The compression spring 11 is urged so as to abut on the abutting portion 5 at the tip of the screw 6 and is arranged on the same axis as the center point in the front view of the ball 8 as a fulcrum portion. The mirror holding member 3 is integrally supported by the mount member 2 by being biased so as to abut.

なお、上記座12,13は、上記マウント部材2と一体加工しても、別部材で取付けてもよい。   The seats 12 and 13 may be integrally processed with the mount member 2 or may be attached as separate members.

なお、上記座12,13及びそれらとの上記ミラー保持部材3の対向面に配置される付勢部材である圧縮バネ10,11の代わりに、互いに反発する磁石を備えてもよい。   In addition, you may provide the magnets which repel each other instead of the compression springs 10 and 11 which are the urging | biasing members arrange | positioned to the said seats 12 and 13 and the mirror holding member 3 facing them.

本実施の形態は、以上のような構成からなるので、ミラーホルダ1は、上記座12に係止された圧縮バネ10が、上記ミラー保持部材3を上記調整ネジ6の先端の当接部5に付勢し、該付勢力に抗するように調整ネジ6を回転して上記ミラー保持部材3を押圧することで、上記圧縮バネ11によりマウント部材2とミラー保持部材3との間で位置決め・挟持された上記ボール8を支点として、上記マウント部材2に対する上記ミラー4と一体の上記ミラー保持部材3の傾動角を調整する。   Since the present embodiment is configured as described above, the mirror holder 1 has the compression spring 10 locked to the seat 12 so that the mirror holding member 3 is brought into contact with the contact portion 5 at the tip of the adjustment screw 6. , And the adjustment screw 6 is rotated so as to resist the urging force to press the mirror holding member 3, so that the compression spring 11 positions / mounts between the mount member 2 and the mirror holding member 3. The tilt angle of the mirror holding member 3 integrated with the mirror 4 with respect to the mount member 2 is adjusted with the ball 8 held therebetween as a fulcrum.

また、上記当接部5又はボール8と上記圧縮バネ10,11は、圧縮バネの作用線上にて一軸上に配置され、図2に示すように、圧縮バネ10,11による付勢力Xが上記ミラー保持部材3を介して上記当接部5及びボール8に作用するので、上記ミラー保持部材3が該付勢力により撓むことがなく、上記ミラー4の高い平面度を維持したまま、該ミラー4の上記マウント部材に対する傾動角を調整することができる。   Further, the contact portion 5 or the ball 8 and the compression springs 10 and 11 are arranged on a single axis on the line of action of the compression spring, and as shown in FIG. Since the mirror holding member 3 acts on the contact portion 5 and the ball 8 via the mirror holding member 3, the mirror holding member 3 is not bent by the biasing force, and the mirror 4 is maintained with high flatness. 4 can be adjusted with respect to the mount member.

(第2の実施の形態)
ついで、図3(A)及び(B)に沿って、第2の実施の形態について説明するが、上記第1の実施の形態と重複する部分については、図に同一符号を付して説明を省略する。
(Second Embodiment)
Next, the second embodiment will be described with reference to FIGS. 3A and 3B, and the same reference numerals are given to the same portions as those in the first embodiment. Omitted.

本実施の形態は、第1の実施の形態における上記座12の代わりに、上記当接部5から上記ミラー保持部材3を貫通してロッド14を延出して設け、該ロッド14の先端に座12を設ける。更に、上記支点となるボール8から両側に、上記マウント部材2及び上記ミラー保持部材3を貫通するロッド15,15を延出して設け、各ロッド15,15の先端に座13,13を設ける。上記座12,13,13に圧縮バネ10,11,11を係止する。   In this embodiment, instead of the seat 12 in the first embodiment, a rod 14 is provided to extend from the abutment portion 5 through the mirror holding member 3, and is seated at the tip of the rod 14. 12 is provided. Further, rods 15 and 15 penetrating the mount member 2 and the mirror holding member 3 are provided on both sides from the ball 8 serving as the fulcrum, and seats 13 and 13 are provided at the tips of the rods 15 and 15, respectively. The compression springs 10, 11, 11 are locked to the seats 12, 13, 13.

なお、上記支点は、上述したボールに限らず、上記マウント部材2及びミラー保持部材3のいずれか一方(例えばマウント部)に螺合したネジの先端に形成した半球状の当接面でもよく、この場合、上記支点となるボール8の両側から延びるロッド15,15は、上記ネジが螺合していない他方の側(例えばミラー保持部材)にのみに延びるもので足りる。   Note that the fulcrum is not limited to the above-described ball, and may be a hemispherical contact surface formed at the tip of a screw screwed into one of the mount member 2 and the mirror holding member 3 (for example, the mount portion), In this case, the rods 15, 15 extending from both sides of the ball 8 serving as the fulcrum need only extend to the other side (for example, a mirror holding member) to which the screw is not screwed.

なお、上記座12,13,13及びそれらとの上記ミラー保持部材3及び上記マウント部材2の対向面に、互いに反発する磁石を備えてもよい。   It should be noted that magnets that repel each other may be provided on the facing surfaces of the seats 12, 13, 13 and the mirror holding member 3 and the mount member 2.

本実施の形態は、以上のような構成からなるので、ミラーホルダ1は、上記座12,13,13に係止された圧縮バネ10,11,11が、上記マウント部材2及びミラー保持部材3を上記当接部5及びボール8に付勢し、該付勢力に抗するように調整ネジ6を回転して上記ミラー保持部材を押圧する。これにより、上記圧縮バネ11,11によりマウント部材2とミラー保持部材3との間で位置決め・挟持された上記ボール8を支点として、上記マウント部材に対する上記ミラー4と一体の上記ミラー保持部材3の傾動角を調整する。この場合も上記第1の実施の形態と同様に、圧縮バネ10,11等の付勢部材によりミラー保持部材3が撓むことはない。   Since the present embodiment is configured as described above, the mirror holder 1 includes compression springs 10, 11, 11 locked to the seats 12, 13, 13, the mount member 2 and the mirror holding member 3. Is urged against the contact portion 5 and the ball 8, and the adjusting screw 6 is rotated so as to resist the urging force to press the mirror holding member. Thus, the mirror holding member 3 integrated with the mirror 4 with respect to the mount member is supported by the ball 8 positioned and sandwiched between the mount member 2 and the mirror holding member 3 by the compression springs 11 and 11. Adjust the tilt angle. Also in this case, the mirror holding member 3 is not bent by the urging members such as the compression springs 10 and 11 as in the first embodiment.

(第3の実施の形態)
ついで、図4(A)及び(B)に沿って、第3の実施の形態について説明するが、上記第2の実施の形態と重複する部分については、図に同一符号を付して説明を省略する。
(Third embodiment)
Next, the third embodiment will be described with reference to FIGS. 4A and 4B, and the same reference numerals are given to the same portions as those in the second embodiment. Omitted.

本実施の形態は、付勢部材として、圧縮バネ10,11,11に代わり、磁石を設けたものである。   In the present embodiment, a magnet is provided as an urging member instead of the compression springs 10, 11, and 11.

ミラーホルダ1は、上記調整ネジ6の先端の当接部5が磁性体からなり、かつ上記ミラー保持部材3には、上記当接部5に当接する受部7を挟むようにして磁石10を配置する。 Mirror holder 1 is made abutment 5 of the tip of the adjusting screw 6 is of a magnetic material, and the said mirror holding member 3, which magnets 10 1 so as to sandwich the abutting receiving portion 7 to the contact portion 5 To do.

また、上記マウント部材2及びミラー保持部材3に、上記ボール8が挟持されるように互いに吸着する磁石11,11を配置する。該磁石11,11には、断面三角形状のすり鉢形状からなる窪部9,9が形成され、上記ボール8は、上記窪部9,9に位置決めされて上記ミラー保持部材3を傾動自在に支持する支点部を構成する。 Further, magnets 11 1 and 11 1 that are attracted to each other are arranged on the mount member 2 and the mirror holding member 3 so that the ball 8 is sandwiched therebetween. The magnets 11 1 and 11 1 are formed with recesses 9 and 9 having a mortar shape having a triangular cross section, and the ball 8 is positioned in the recesses 9 and 9 to freely tilt the mirror holding member 3. The fulcrum part to be supported is configured.

上記磁石10は、受部7を介して調整ネジ6の先端の当接部5を吸引し、上記磁石11、11は、支点部となるボール8を挟んで互いに吸引して、ミラー保持部材3をマウント部材2に支持する付勢部材を構成し、上記磁石10は、調整ネジ6の軸線と同一軸上に配置され、上記磁石11、11は、支点部であるボール8の正面図における中心点と同一軸上に配置されている。 The magnet 10 1, via the receiving portion 7 to suck the contact portion 5 of the tip of the adjusting screw 6, the magnet 11 1, 11 1 sucks each other across the ball 8 as the fulcrum, the mirror constitutes a biasing member for supporting the holding member 3 to the mount member 2, the magnet 10 1 is disposed on the axis on the same axis as the adjusting screw 6, the magnet 11 1, 11 1 is a fulcrum ball 8 is arranged on the same axis as the center point in the front view.

本実施の形態は、以上のような構成からなるので、ミラーホルダ1は、上記当接部5と磁石10、及び上記磁石11,11が互いに吸着し、上記調整ネジ6を回転して上記ミラー保持部材3を押圧することで、上記窪部9,9に位置決め・挟持された上記ボール8を支点として、上記マウント部材2に対する上記ミラー保持部材3の傾動角を調整する。この際、先の実施の形態と同様に、各磁石10、11、11の吸引方向(付勢方向)が調整ネジ6及び支点部8の当接方向と同一軸線に位置して、ミラー保持部材3は、上記磁石の吸引力がモーメントとして作用することはない。 Since the present embodiment is configured as described above, the mirror holder 1 is configured such that the contact portion 5, the magnet 10 1 , and the magnets 11 1 , 11 1 are attracted to each other, and the adjusting screw 6 is rotated. By pressing the mirror holding member 3, the tilt angle of the mirror holding member 3 with respect to the mount member 2 is adjusted with the ball 8 positioned and held in the recesses 9, 9 as a fulcrum. At this time, similarly to the previous embodiment, the attracting direction (biasing direction) of each of the magnets 10 1 , 11 1 , 11 1 is located on the same axis as the contact direction of the adjusting screw 6 and the fulcrum portion 8, In the mirror holding member 3, the magnetic attraction force does not act as a moment.

(第4の実施の形態)
ついで、図5(A)及び(B)に沿って、第4の実施の形態について説明するが、上記第1の実施の形態と重複する部分については、図に同一符号を付して説明を省略する。
(Fourth embodiment)
Next, the fourth embodiment will be described with reference to FIGS. 5A and 5B, and the same reference numerals are given to the same portions as those in the first embodiment. Omitted.

本実施の形態は、第1の実施の形態において、上記マウント部材2に対する上記ミラー保持部材3の傾動角を一度所定の角度に設定したときに、その角度で上記ミラー保持部材3を固定するためのロック部材を追加したものである。   In this embodiment, when the tilt angle of the mirror holding member 3 with respect to the mount member 2 is set to a predetermined angle once in the first embodiment, the mirror holding member 3 is fixed at that angle. The lock member is added.

ミラーホルダ1において、ミラー保持部材3は、正面視上記ミラー4の中心と同軸上におけるマウント部材2側にネジ孔16を形成し、マウント部材2の上記ネジ孔16に対向する位置に丸孔17を形成する。そして、丸孔17を貫通してネジ孔16に螺合し得るロックボルト18を備える。   In the mirror holder 1, the mirror holding member 3 is formed with a screw hole 16 on the side of the mount member 2 coaxially with the center of the mirror 4 when viewed from the front, and a round hole 17 at a position facing the screw hole 16 of the mount member 2. Form. And the lock bolt 18 which penetrates the round hole 17 and can be screwed by the screw hole 16 is provided.

本実施の形態は、上記マウント部材2に対する上記ミラー4と一体の上記ミラー保持部材3の傾動角を調整した状態で、上記ロックボルト18を、マウント部材2側から上記丸孔17を貫通してネジ孔16に螺合する。これにより、ロックボルト18が、該ロックボルト18の頭部18aとネジ孔16との間で、ミラー保持部材3をマウント部材2にロックされて、ミラー4は、上記調整された位置に維持される。   In this embodiment, with the tilt angle of the mirror holding member 3 integrated with the mirror 4 relative to the mount member 2 adjusted, the lock bolt 18 is passed through the round hole 17 from the mount member 2 side. Screwed into the screw hole 16. Thereby, the lock bolt 18 locks the mirror holding member 3 to the mount member 2 between the head 18a of the lock bolt 18 and the screw hole 16, and the mirror 4 is maintained in the adjusted position. The

(第5の実施の形態)
ついで、図6(A)及び(B)に沿って、第5の実施の形態について説明するが、上記第4の実施の形態と重複する部分については、図に同一符号を付して説明を省略する。
(Fifth embodiment)
Next, the fifth embodiment will be described with reference to FIGS. 6A and 6B. The same parts as those in the fourth embodiment will be described with the same reference numerals. Omitted.

本実施の形態は、第4の実施の形態において、上記ロックボルト18が、正面視上記ミラー4の中心と同軸上に上記ミラー保持部材3と螺合するために、強く締めると該ミラー保持部材3が撓む虞があることから、該ミラー保持部材3の撓みを避けつつ、ロックを達成するものである。   In this embodiment, in the fourth embodiment, when the lock bolt 18 is screwed into the mirror holding member 3 so as to be coaxial with the center of the mirror 4 when viewed from the front, the mirror holding member is Since there is a possibility that 3 may be bent, the lock is achieved while avoiding bending of the mirror holding member 3.

ミラーホルダ1は、上記座12,13にネジ孔19,19を形成する。そして、ロックボルト20,20を、上記圧縮バネ10,11の反対側から上記ネジ孔19,19に螺合して、上記圧縮バネ10,11の中心を貫通してその先端を上記ミラー保持部材3に押圧する。   The mirror holder 1 is formed with screw holes 19 and 19 in the seats 12 and 13. Then, the lock bolts 20 and 20 are screwed into the screw holes 19 and 19 from the opposite side of the compression springs 10 and 11 so as to pass through the centers of the compression springs 10 and 11 and the tip of the mirror holding member. 3 to press.

本実施の形態は、以上のような構成からなるので、ミラーホルダ1は、上記ロックボルト20,20を上記座12,13のネジ孔19,19に螺合していない状態で、上記調整ネジ6を回転して、上記ミラー保持部材3の傾動角を調整する。この状態で、上記座12,13のネジ孔19,19に上記ロックボルト20,20を螺合し、上記調整ネジ6及びボール8と一軸上でそれらの反対側から上記ミラー保持部材3を押圧して、上記ミラー保持部材3を撓むことなく固定する。この状態では、ロックボルト20,20の締付力は、調整ネジ6及び支点であるボール8と同一線上に作用するので、ミラー保持部材3が撓むことはない。   Since the present embodiment is configured as described above, the mirror holder 1 has the adjustment screw in a state where the lock bolts 20 and 20 are not screwed into the screw holes 19 and 19 of the seats 12 and 13. 6 is rotated to adjust the tilt angle of the mirror holding member 3. In this state, the lock bolts 20, 20 are screwed into the screw holes 19, 19 of the seats 12, 13, and the mirror holding member 3 is pressed from the opposite side of the adjustment screw 6 and the ball 8 on one axis. Then, the mirror holding member 3 is fixed without bending. In this state, the tightening force of the lock bolts 20 and 20 acts on the same line as the adjusting screw 6 and the ball 8 that is the fulcrum, so that the mirror holding member 3 does not bend.

なお、上述した実施の形態は、調整ネジ6をマウント部材2に螺合して配置したが、該調整ネジをミラー保持部材3に螺合して、該調整ネジの先端をマウント部材2に当接して上記ミラー保持部材3の傾動角を調整自在に設けてもよい。   In the embodiment described above, the adjustment screw 6 is screwed to the mount member 2, but the adjustment screw is screwed to the mirror holding member 3 so that the tip of the adjustment screw contacts the mount member 2. The tilt angle of the mirror holding member 3 may be provided so as to be adjustable.

1 ミラーホルダ
2 マウント部材
3 ミラー保持部材
4 ミラー
6 調整ネジ
8 ボール(支点部)
10,11 圧縮バネ
10,11 磁石
12,13 座
14,15 ロッド
18,20 ロックボルト
DESCRIPTION OF SYMBOLS 1 Mirror holder 2 Mount member 3 Mirror holding member 4 Mirror 6 Adjustment screw 8 Ball (fulcrum part)
10, 11 Compression spring 10 1 , 11 1 Magnet 12, 13 Seat 14, 15 Rod 18, 20 Rock bolt

Claims (7)

ミラーを一体的に保持するミラー保持部材と、
該ミラー保持部材に対向配置されるマウント部材と、
前記ミラー保持部材を前記マウント部材に対して傾動自在に支持する支点部と、
前記ミラー保持部材及び前記マウント部材のいずれか一方に螺合され、他方に先端が当接して、前記マウント部材に対する前記ミラー保持部材の傾動角を調整する調整ネジと、
前記ミラー保持部材と前記マウント部材とが、前記支点部及び前記調整ネジを介して当接するように付勢する付勢部材と、
を備えてなるミラーホルダにおいて、
前記付勢部材が、前記支点部及び前記調整ネジと一軸上に配置されてなる、
ことを特徴とするミラーホルダ。
A mirror holding member that integrally holds the mirror;
A mount member disposed opposite to the mirror holding member;
A fulcrum portion that supports the mirror holding member in a tiltable manner with respect to the mount member;
An adjustment screw that is screwed into one of the mirror holding member and the mount member, the tip of which contacts the other, and adjusts the tilt angle of the mirror holding member with respect to the mount member;
An urging member that urges the mirror holding member and the mount member to abut via the fulcrum portion and the adjustment screw;
In a mirror holder comprising:
The biasing member is arranged on one axis with the fulcrum part and the adjustment screw.
A mirror holder characterized by that.
前記調整ネジが螺合されている、前記マウント部材及び前記ミラー保持部材のいずれか一方に、前記付勢部材を支持する座を一体に設け、
該座と前記マウント部材及び前記ミラー保持部材のいずれか他方との間に、前記付勢部材をその付勢力に抗するように配置し、
前記座と前記付勢部材と前記調整ネジ又は前記支点部とが一軸上に配置されてなる、
請求項1記載のミラーホルダ。
A seat for supporting the biasing member is integrally provided on any one of the mount member and the mirror holding member to which the adjustment screw is screwed.
Between the seat and the other one of the mount member and the mirror holding member, the biasing member is disposed so as to resist the biasing force,
The seat, the biasing member, the adjustment screw or the fulcrum portion are arranged on one axis.
The mirror holder according to claim 1.
前記調整ネジの先端から、前記マウント部材及び前記ミラー保持部材のいずれか他方を貫通して延出するロッドに座を設け、
該座と前記マウント部材及び前記ミラー保持部材のいずれか他方との間に、前記付勢部材をその付勢力に抗して配置し、
前記座と前記付勢部材と前記調整ネジが一軸上に配置されてなる、
請求項1記載のミラーホルダ。
From the tip of the adjustment screw, a seat is provided on a rod extending through the other of the mount member and the mirror holding member,
The biasing member is disposed against the biasing force between the seat and the other one of the mount member and the mirror holding member,
The seat, the biasing member, and the adjustment screw are arranged on one axis.
The mirror holder according to claim 1.
前記支点部から、前記マウント部材及び前記ミラー保持部材の少なくとも一方を貫通して延出するロッドに座を設け、
該座と前記マウント部材及び前記ミラー保持部材の少なくとも一方との間に、前記付勢部材をその付勢力に抗するように配置し、
前記座と前記付勢部材と前記支点部とが一軸上に配置されてなる、
請求項1記載のミラーホルダ。
From the fulcrum portion, a seat is provided on a rod extending through at least one of the mount member and the mirror holding member,
Between the seat and at least one of the mount member and the mirror holding member, the biasing member is disposed so as to resist the biasing force,
The seat, the urging member, and the fulcrum portion are arranged on one axis.
The mirror holder according to claim 1.
前記付勢部材が圧縮バネである、
請求項1ないし4のいずれか記載のミラーホルダ。
The biasing member is a compression spring;
The mirror holder according to any one of claims 1 to 4.
前記座における前記付勢部材の反対側からロックボルトを螺合し、該座と前記マウント部材及び前記ミラー保持部材のいずれか他方との間を前記ロックボルトで固定してなる、
請求項2記載のミラーホルダ。
A lock bolt is screwed from the opposite side of the urging member in the seat, and the seat and the other one of the mount member and the mirror holding member are fixed with the lock bolt.
The mirror holder according to claim 2.
前記付勢部材が吸着方向に付勢される磁石からなり、
該磁石が、前記マウント部材及び前記ミラー保持部材のいずれか他方に配置されて前記調整ネジの先端を吸着すると共に、前記マウント部材及び前記ミラー保持部材の少なくとも一方に配置されて前記支点部を吸着してなる、
請求項1記載のミラーホルダ。
The biasing member is composed of a magnet biased in the attracting direction,
The magnet is disposed on one of the mount member and the mirror holding member to attract the tip of the adjustment screw, and is disposed on at least one of the mount member and the mirror holding member to attract the fulcrum portion. Become
The mirror holder according to claim 1.
JP2011118252A 2011-05-26 2011-05-26 Mirror holder Withdrawn JP2012247568A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014105975A1 (en) * 2012-12-26 2014-07-03 Thorlabs, Inc. Low wavefront distortion optical mount
JP2016180935A (en) * 2015-03-25 2016-10-13 セイコーエプソン株式会社 Projection optical device and projector
JPWO2015151152A1 (en) * 2014-03-31 2017-04-13 ギガフォトン株式会社 Mirror device
CN111999838A (en) * 2020-07-10 2020-11-27 中国科学院西安光学精密机械研究所 Adjusting component for adjusting distance between connected pieces and connecting device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014105975A1 (en) * 2012-12-26 2014-07-03 Thorlabs, Inc. Low wavefront distortion optical mount
US9599786B2 (en) 2012-12-26 2017-03-21 Thorlabs, Inc. Low wavefront distortion optical mount
JPWO2015151152A1 (en) * 2014-03-31 2017-04-13 ギガフォトン株式会社 Mirror device
JP2016180935A (en) * 2015-03-25 2016-10-13 セイコーエプソン株式会社 Projection optical device and projector
CN111999838A (en) * 2020-07-10 2020-11-27 中国科学院西安光学精密机械研究所 Adjusting component for adjusting distance between connected pieces and connecting device
CN111999838B (en) * 2020-07-10 2022-03-25 中国科学院西安光学精密机械研究所 Adjusting component for adjusting distance between connected pieces and connecting device

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