JP2020034866A - Projection angle adjustment device, projection device, and projection angle adjustment method - Google Patents

Projection angle adjustment device, projection device, and projection angle adjustment method Download PDF

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JP2020034866A
JP2020034866A JP2018163435A JP2018163435A JP2020034866A JP 2020034866 A JP2020034866 A JP 2020034866A JP 2018163435 A JP2018163435 A JP 2018163435A JP 2018163435 A JP2018163435 A JP 2018163435A JP 2020034866 A JP2020034866 A JP 2020034866A
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main body
spherical portion
spherical
projection angle
projection
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JP7115741B2 (en
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洋之 洲崎
Hiroyuki Suzaki
洋之 洲崎
大木　誠
Makoto Oki
誠 大木
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NEC Embedded Products Ltd
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Abstract

To readily and surely adjust a projection angle from a projection part, and to deal with an attachment to an attachment surface such as a ceiling, wall face and the like.SOLUTION: A projection angle adjustment device 100, which is interposed between a projection machine main body 1 projecting images and a support part 2 coupled to an attachment surface M and supporting the projection device main body 1, has: a first spherical surface part Q1 that is provided integrally with the projection machine main body 1; a second spherical surface part Q2 that is formed integrally with the support part 2, and is provided slidable to the first spherical surface part Q1; a third spherical surface part Q3 that is provided integrally with a clamp member 3 located on an opposite side of the projection machine main body 1 across the support part 2, and catches the second spherical surface part Q2 between the first spherical surface part Q1 and third spherical surface part Q3; a stopper member 4 that is provided contactable with the clamp member 3, and regulates the slide to the second spherical surface part Q2 of the first spherical surface part Q1; and an operation member 5 that operates the stopper member 4 so as to press or separate toward or from the clamp member 3.SELECTED DRAWING: Figure 1

Description

本発明は、投影画面の位置ずれを修正することが容易な投影角度調整装置、投影装置及び投影角度調整方法に関する。   The present invention relates to a projection angle adjustment device, a projection device, and a projection angle adjustment method that can easily correct a displacement of a projection screen.

遊技機に用いられる投影装置に関連する技術として、短い距離で画像を投影可能な天井取付式短焦点プロジェクターがある。
このようなプロジェクターは、遊技機に内蔵される液晶ディスプレイの代替えとして、プロジェクションマッピングなどの画面表示を壁面に対して行うことができる。 As a technology related to a projection device used for a game machine, there is a ceiling-mounted short focus projector that can project an image at a short distance.
Such a projector can perform screen display such as projection mapping on a wall surface as an alternative to a liquid crystal display built in a gaming machine.

この種のプロジェクターとして、特許文献１に示される画像表示装置が知られている。
この画像表示装置では、画像を表示する投影レンズを有する投影部と、投影部を支持する支持機構とを具備している。
支持機構は、投影部に固定された丸カップ状の摺動支持部材と、該摺動支持部材の外側を摺動可能に支持する球状凹面を上面に有する台座と、該台座の球状凹面内に貼られたシートと、摺動支持部材を摩擦シートに対して押圧する固定部材とを有している。 As this type of projector, an image display device disclosed in Patent Document 1 is known.
This image display device includes a projection unit having a projection lens for displaying an image, and a support mechanism for supporting the projection unit.
The support mechanism has a round cup-shaped sliding support member fixed to the projection unit, a pedestal having a spherical concave surface on the upper surface for slidably supporting the outside of the sliding support member, and a spherical concave surface of the pedestal. It has an affixed sheet and a fixing member for pressing the sliding support member against the friction sheet.

そして、上記画像表示装置では、固定部材を介して、球状凹面内の摩擦シートに対する摺動支持部材への押圧力を弱くした場合に、摺動支持部材と摩擦シートとの摩擦力が低下して投影部の角度が調節可能になり、一方、球状凹面内の摩擦シートに対する摺動支持部材への押圧力を強くした場合に、摩擦力が増加して投影部の角度が固定される。   And in the said image display apparatus, when the pressing force with respect to the friction sheet in a spherical concave surface with respect to the sliding support member via the fixing member was weakened, the frictional force between the sliding support member and the friction sheet was reduced. The angle of the projection unit can be adjusted. On the other hand, when the pressing force on the sliding support member against the friction sheet in the spherical concave surface is increased, the friction force increases and the angle of the projection unit is fixed.

特開２００２−２０９１６１号公報JP-A-2002-209161

ところで、特許文献１に示される画像表示装置では、台座の上面に形成された球状の球状凹面内に、摩擦シートを介して、投影部が搭載される丸カップ状の摺動支持部材が回転自在に設けられる構成である。
このため、上記画像表示装置では、台座の上面に形成された球状凹面内に、投影部を有する摺動支持部材が載置された縦型構造となり、天井取付式とすることができない。
具体的には、上記画像表示装置では、投影部が搭載される摺動支持部材を、台座内に収容された固定部材で支持する構成であるので、天井取付式とした場合に、固定部材を補強するなどの対策が別途必要となり、構成が複雑化するという問題がある。 By the way, in the image display device disclosed in Patent Document 1, a round cup-shaped sliding support member on which a projection unit is mounted is rotatable via a friction sheet in a spherical concave surface formed on an upper surface of a pedestal. It is a structure provided in.
For this reason, the image display device has a vertical structure in which the sliding support member having the projection portion is placed in the spherical concave surface formed on the upper surface of the pedestal, and cannot be ceiling-mounted.
Specifically, the image display device has a configuration in which the sliding support member on which the projection unit is mounted is supported by the fixing member housed in the pedestal. There is a problem that a countermeasure such as reinforcement is required separately, and the configuration is complicated.

この発明は、上述した事情に鑑みてなされたものであって、投影部からの投影角度を容易かつ確実に調整することができ、かつ天井、壁面などの取付面への取付にも自在に対応することができる投影角度調整装置、投影装置及び投影角度調整方法を提供する。   The present invention has been made in view of the above-described circumstances, and can easily and reliably adjust a projection angle from a projection unit, and can freely be mounted on a mounting surface such as a ceiling or a wall surface. Provided are a projection angle adjustment device, a projection device, and a projection angle adjustment method.

上記課題を解決するために、この発明は以下の手段を提案している。
本発明の第1態様は、画像を投影する投影機本体と、取付対象となる取付面に連結されかつ前記投影機本体を支持する支持部との間に介在される投影角度調整装置であって、前記投影機本体と一体に設けられた第１球面部と、前記支持部と一体に設けられかつ前記第１球面部に対してスライド可能に設けられた第２球面部と、前記支持部を挟んで前記投影機本体の反対側に位置する挟持部材３と一体に設けられて、前記第１球面部との間に前記第２球面部を挟み込む第３球面部と、前記挟持部材に接触可能に設けられて前記第２球面部に対する前記第１球面部のスライドを規制するストッパ部材と、前記ストッパ部材を前記挟持部材に向けて押圧又は離間するように操作する操作部材と、をすることを特徴とする。 In order to solve the above problems, the present invention proposes the following means.
A first aspect of the present invention is a projection angle adjusting device interposed between a projector main body for projecting an image and a support portion connected to a mounting surface to be mounted and supporting the projector main body, A first spherical portion provided integrally with the projector body, a second spherical portion provided integrally with the support portion and slidably provided with respect to the first spherical portion, and the support portion. A third spherical portion, which is provided integrally with the holding member 3 located on the opposite side of the projector main body and sandwiches the second spherical portion between the holding member 3 and the first spherical portion, and is capable of contacting the holding member. A stopper member that is provided on the second spherical portion to restrict sliding of the first spherical portion with respect to the second spherical portion; and an operating member that operates the stopper member to press or separate it toward the holding member. Features.

本発明の第２態様は、画像を投影する投影機本体と、取付対象となる取付面に連結されかつ前記投影機本体を支持する支持部との間に介在される投影角度調整装置に適用される投影角度調整方法であって、前記投影機本体と一体な第１球面部に対して前記支持部と一体な第２球面部をスライド可能に位置させる段階と、前記支持部を挟んで前記投影機本体の反対側に挟持部材を位置させる段階と、前記挟持部材の表面に対してストッパ部材を押圧又は離間することにより、第１球面部と第２球面部との接触圧力を調整して、前記支持部に対する前記投影機本体の回転又は移動を許容又は規制する段階と、を有することを特徴とする。   The second aspect of the present invention is applied to a projection angle adjusting device interposed between a projector main body for projecting an image and a support portion connected to a mounting surface to be mounted and supporting the projector main body. A projection angle adjusting method, comprising: slidably positioning a second spherical portion integral with the support portion with respect to a first spherical portion integral with the projector main body; Positioning the holding member on the opposite side of the machine body, and pressing or separating the stopper member against the surface of the holding member to adjust the contact pressure between the first spherical portion and the second spherical portion, Allowing or restricting the rotation or movement of the projector main body with respect to the support portion.

本発明によれば、簡易な構成により、投影機本体からの投影角度を容易かつ確実に調整及び位置決めすることができる。   According to the present invention, the projection angle from the projector main body can be easily and reliably adjusted and positioned with a simple configuration.

本発明に係る投影角度調整装置の概略構成図である。1 is a schematic configuration diagram of a projection angle adjustment device according to the present invention. 本発明の実施形態に係る投影角度調整装置の外観図である。1 is an external view of a projection angle adjustment device according to an embodiment of the present invention. 図２の断面図である。It is sectional drawing of FIG. 図３を一部拡大した図である。FIG. 4 is a partially enlarged view of FIG. 3.

本発明の最小構成について、図１を参照して説明する。
本発明に係る投影角度調整装置１００は、画像を投影する投影機本体１と、取付対象となる取付面Ｍに連結されかつ投影機本体１を支持する支持部２との間に介在される。 The minimum configuration of the present invention will be described with reference to FIG.
The projection angle adjusting device 100 according to the present invention is interposed between a projector main body 1 that projects an image and a support 2 that is connected to a mounting surface M to be mounted and supports the projector main body 1.

投影機本体１には第１球面部Ｑ１が一体に設けられている。
支持部２には、第１球面部Ｑ１に対してスライド可能な第２球面部Ｑ２が一体に設けられている。
支持部２を挟んで投影機本体１の反対側には挟持部材３が配置されている。
この挟持部材３には、第１球面部Ｑ１との間に第２球面部Ｑ２を挟み込む第３球面部Ｑ３が一体に設けられている。 The projector body 1 is integrally provided with a first spherical portion Q1.
The support portion 2 is integrally provided with a second spherical portion Q2 slidable with respect to the first spherical portion Q1.
A holding member 3 is arranged on the opposite side of the projector main body 1 with respect to the support 2.
The sandwiching member 3 is integrally provided with a third spherical portion Q3 which sandwiches the second spherical portion Q2 between the first spherical portion Q1.

挟持部材３には、第２球面部Ｑ２に対する第１球面部Ｑ１のスライドを規制するストッパ部材４が接触可能に設けられている。
また、この挟持部材３には、ストッパ部材４を挟持部材３に向けて押圧する又は離間するように操作される操作部材５が設けられている。 The holding member 3 is provided with a stopper member 4 for restricting sliding of the first spherical portion Q1 with respect to the second spherical portion Q2 so as to be able to come into contact therewith.
The holding member 3 is provided with an operation member 5 that is operated to press or separate the stopper member 4 toward the holding member 3.

そして、以上のように構成された投影角度調整装置１００では、取付対象となる取付面Ｍに連結された支持部２を介して投影機本体１が支持される。
この支持部２には、投影機本体１と一体な第１球面部Ｑ１に対して相対的にスライド可能な第２球面部Ｑ２が設けられている。すなわち、投影機本体１は第１球面部Ｑ１及び第２球面部Ｑ２を介して支持部２に対してスライドすることにより、予め定められた角度で回転及び移動可能となる。 In the projection angle adjusting device 100 configured as described above, the projector main body 1 is supported via the support 2 connected to the mounting surface M to be mounted.
The support portion 2 is provided with a second spherical portion Q2 which is relatively slidable with respect to the first spherical portion Q1 integrated with the projector main body 1. That is, the projector main body 1 can rotate and move at a predetermined angle by sliding with respect to the support portion 2 via the first spherical portion Q1 and the second spherical portion Q2.

一方、支持部２を挟んで投影機本体１の反対側に位置する挟持部材３には、投影機本体１の第１球面部Ｑ１と、支持部２の第２球面部Ｑ２との接触圧を調整するための第３球面部Ｑ３が一体に設けられている。   On the other hand, a contact pressure between the first spherical portion Q1 of the projector main body 1 and the second spherical portion Q2 of the support portion 2 is applied to the holding member 3 located on the opposite side of the projector main body 1 with the support portion 2 therebetween. A third spherical portion Q3 for adjustment is provided integrally.

また、第３球面部Ｑ３を有する挟持部材３には、第２球面部Ｑ２に対する第１球面部Ｑ１のスライドを規制するストッパ部材４が接触可能に設けられ、さらにストッパ部材４を挟持部材３に向けて押圧又は離間するように操作する操作部材５が設けられている。
これにより、ストッパ部材４が挟持部材３の表面から離間する位置となるように操作部材５を操作した場合に、投影機本体１と一体な第１球面部Ｑ１と、支持部２と一体な第２球面部Ｑ２との押圧状態が解除され、支持部２に対する投影機本体１の回転又は移動を自在に行うことができる。 In addition, a stopper member 4 for restricting sliding of the first spherical portion Q1 with respect to the second spherical portion Q2 is provided on the holding member 3 having the third spherical portion Q3 so as to be in contact therewith. An operation member 5 that is operated so as to be pressed or moved away is provided.
Thereby, when the operation member 5 is operated so that the stopper member 4 is located at a position separated from the surface of the holding member 3, the first spherical portion Q1 integrated with the projector main body 1 and the first spherical portion Q1 integrated with the support portion 2 are formed. The pressed state with the two spherical portions Q2 is released, and the projector main body 1 can be freely rotated or moved with respect to the support portion 2.

一方、操作部材５を操作することにより、挟持部材３をストッパ部材４に対して押下した場合には、ストッパ部材４及び挟持部材３と一体な第３球面部Ｑ３を順次介して、支持部２と一体な第２球面部Ｑ２が、投影機本体１と一体な第１球面部Ｑ１に対して密着され、投影機本体１の支持部２に対する回転又は移動が規制される。   On the other hand, when the holding member 3 is pressed against the stopper member 4 by operating the operation member 5, the support portion 2 is sequentially passed through the stopper member 4 and the third spherical portion Q3 integrated with the holding member 3. The second spherical portion Q2 integral with the first main body 1 is in close contact with the first spherical portion Q1 integral with the projector main body 1, and rotation or movement of the projector main body 1 with respect to the support portion 2 is restricted.

すなわち、本発明の投影角度調整装置１００では、作業者が操作部材５を操作することにより、ストッパ部材４、挟持部材３及び該挟持部材３と一体な第３球面部Ｑ３を順次介して、投影機本体１と一体な第１球面部Ｑ１が、支持部２と一体な第２球面部Ｑ２に対して回転又は移動することを適宜、設定可能となる。
従って、本発明の投影角度調整装置１００では、取付対象となる取付面Ｍに連結された支持部２に、第１球面部Ｑ１〜第３球面部Ｑ３、ストッパ部材４及び操作部材５という簡易な構成を設けるだけで、投影機本体１からの投影角度を容易かつ確実に調整及び位置決めすることができ、かつ天井、壁面などの取付面Ｍへの取付にも自在に対応することができる。
さらに、本発明の投影角度調整装置１００は簡易な構成であるので、小型化にも容易に対応することができる。 That is, in the projection angle adjustment device 100 of the present invention, when the operator operates the operation member 5, the projection is sequentially performed via the stopper member 4, the holding member 3, and the third spherical portion Q3 integrated with the holding member 3. Rotation or movement of the first spherical portion Q1 integrated with the machine body 1 with respect to the second spherical portion Q2 integrated with the support portion 2 can be set as appropriate.
Therefore, in the projection angle adjusting device 100 of the present invention, the support portion 2 connected to the mounting surface M to be mounted has the first spherical portion Q1 to the third spherical portion Q3, the stopper member 4, and the simple operating member 5. By simply providing the configuration, the projection angle from the projector main body 1 can be easily and reliably adjusted and positioned, and can be freely mounted on a mounting surface M such as a ceiling or a wall surface.
Furthermore, since the projection angle adjustment device 100 of the present invention has a simple configuration, it can easily cope with downsizing.

なお、本発明の投影角度調整装置１００では、投影機本体１と一体な第１球面部Ｑ１に対して支持部２と一体な第２球面部Ｑ２をスライド可能に位置させる段階と、支持部２を挟んで投影機本体１の反対側に挟持部材３を位置させる段階と、挟持部材３の表面に対してストッパ部材４を押圧又は離間することにより、第１球面部Ｑ１と第２球面部Ｑ２との接触圧力を調整して、支持部２に対する投影機本体１の回転／移動を許容又は規制する段階と、からなる投影角度調整方法が採用されている。   In the projection angle adjusting device 100 of the present invention, the step of slidably positioning the second spherical portion Q2 integrated with the support portion 2 with respect to the first spherical portion Q1 integrated with the projector body 1, Positioning the holding member 3 on the opposite side of the projector body 1 with respect to the projector body 1 and pressing or separating the stopper member 4 from the surface of the holding member 3 to thereby form the first spherical portion Q1 and the second spherical portion Q2. And adjusting the contact pressure with the support unit 2 to allow or restrict the rotation / movement of the projector body 1 with respect to the support unit 2.

（実施形態）
本発明の実施形態に係る構成について、図２〜図４を参照して説明する。
本発明に係る投影角度調整装置１０１は、画像を投影する投影機本体１１と、取付対象となる取付面Ｍ１に連結されかつ投影機本体１１を支持する支持部１２との間に介在される。
また、この投影角度調整装置１０１は、支持部１２の前側（図中右側）に位置し、支持部の後側（図中左側）に投影画像を鑑賞する鑑賞者が位置する。
また、本発明に係る投影角度調整装置１０１は、投影機本体１１及び該投影機本体１１を支持する支持部１２を含むことで、投影装置２００を構成する。 (Embodiment)
A configuration according to an embodiment of the present invention will be described with reference to FIGS.
The projection angle adjusting device 101 according to the present invention is interposed between a projector main body 11 that projects an image and a support portion 12 that is connected to a mounting surface M1 to be mounted and supports the projector main body 11.
Further, the projection angle adjusting device 101 is located on the front side (right side in the figure) of the support section 12, and a viewer who views the projected image is located on the rear side (left side in the figure) of the support section.
Further, the projection angle adjusting device 101 according to the present invention includes the projector main body 11 and the support portion 12 that supports the projector main body 11, thereby configuring the projection device 200.

投影機本体１１は、図２及び図３に示されるように内部に設けられた投影装置（図示略）から出力された画像が矢印Ｐで示す方向に照射される。
また、この投影機本体１１の筐体となるケーシング２０には、図中上方に突出する第１球面部Ｑ１１を有する本体ケースドーム部２１が一体に設けられている。
本体ケースドーム部２１上の第１球面部Ｑ１１は、図中、矢印Ｂ１−Ｂ２方向（この方向は紙面に示される横方向の他、紙面と交差／直交する方向も含む）に沿う球状に形成されている。 The projector main body 11 irradiates an image output from a projection device (not shown) provided therein as shown in FIGS. 2 and 3 in a direction indicated by an arrow P.
A casing 20 serving as a housing of the projector main body 11 is integrally provided with a main body case dome portion 21 having a first spherical portion Q11 protruding upward in the drawing.
The first spherical portion Q11 on the main body case dome portion 21 is formed in a spherical shape along the arrow B1-B2 direction in the figure (this direction includes not only the lateral direction shown on the paper surface but also the direction intersecting / perpendicular to the paper surface). Have been.

支持部１２は、投影機本体１１を支える部材であって、天井となる取付面Ｍ１に固定ねじ２２により固定されている。
また、この支持部１２には、ドーム形状に形成された対向モールド２３が設けられている。この対向モールド２３は、図３及び図４に詳細に示されるように、第１球面部Ｑ１１に対してスライド可能な第２球面部Ｑ１２を内側に一体に有する形状であって、その中央部には、図中上下方向（矢印Ａ１−Ａ２方向）に貫通した貫通穴２４が形成されている。
なお、対向モールド２３上の第２球面部Ｑ１２は、本体ケースドーム部２１上の第１球面部Ｑ１１と同様、矢印Ｂ１−Ｂ２方向に沿う球状に形成されている。また、対向モールド２３に形成された貫通孔２４は、本体ケースドーム部２１上の可動域（符号ｂで示す）に基づきその大きさが設定される。 The support portion 12 is a member that supports the projector main body 11, and is fixed to a mounting surface M1 serving as a ceiling with a fixing screw 22.
Further, the support portion 12 is provided with a facing mold 23 formed in a dome shape. As shown in detail in FIGS. 3 and 4, the facing mold 23 has a shape in which a second spherical portion Q12 slidable with respect to the first spherical portion Q11 is integrally formed inside, and a central portion thereof is provided. Is formed with a through-hole 24 penetrating in the vertical direction (the direction of arrows A1-A2) in the figure.
The second spherical portion Q12 on the opposite mold 23 is formed in a spherical shape along the direction of the arrow B1-B2, like the first spherical portion Q11 on the main body case dome portion 21. The size of the through hole 24 formed in the facing mold 23 is set based on the movable range (indicated by the symbol b) on the main body case dome portion 21.

支持部１２の対向モールド２３を挟んで投影機本体１１の反対側には挟持部材１３が配置されている。
この挟持部材１３は、第１球面部Ｑ１１との間に第２球面部Ｑ１２を挟み込むための第３球面部Ｑ３が内側に一体に設けられたドーム状の剣山型プレート３０からなる。
第３球面部Ｑ１３は、剣山型プレート３０上の内側表面に一体に形成されたものであって、本体ケースドーム部２１上の第１球面部Ｑ１１及び対向モールド２３上の第２球面部Ｑ１２と同様、矢印Ｂ１−Ｂ２方向に沿う球状に形成されている。 A holding member 13 is arranged on the opposite side of the projector body 11 with respect to the opposite mold 23 of the support portion 12.
The holding member 13 includes a dome-shaped sword mountain plate 30 in which a third spherical portion Q3 for sandwiching the second spherical portion Q12 with the first spherical portion Q11 is integrally provided inside.
The third spherical portion Q13 is integrally formed on the inner surface of the sword-shaped plate 30, and includes a first spherical portion Q11 on the main body case dome portion 21 and a second spherical portion Q12 on the opposing mold 23. Similarly, it is formed in a spherical shape along the arrow B1-B2 direction.

なお、本例では、第１球面部Ｑ１１〜第３球面部Ｑ１３が互いに並行となる位置関係にありかつ同一の曲率で形成されている。
また、挟持部材１３の外側表面は、ストッパ部材１４の滑りを防止するために微細な凹凸面３１を有している。 In the present example, the first spherical portion Q11 to the third spherical portion Q13 have a positional relationship parallel to each other and are formed with the same curvature.
The outer surface of the holding member 13 has a fine uneven surface 31 to prevent the stopper member 14 from slipping.

剣山型プレート３０の中央部には、対向モールド２３の貫通孔２４を貫通して、投影機本体１１の本体ケースドーム部２１に至る連結ねじ３２が設置されている。
この連結ねじ３２は、投影機本体１１の本体ケースドーム部２１の中央に形成された雌ねじ部３３に若干の遊びをもって螺合されている。 At the center of the sword-shaped plate 30, a connecting screw 32 that penetrates the through hole 24 of the facing mold 23 and reaches the main body case dome portion 21 of the projector main body 11 is provided.
The connecting screw 32 is screwed with a slight play to a female screw portion 33 formed at the center of the main body case dome portion 21 of the projector main body 11.

剣山型プレート３０の図中上部には外側表面の凹凸面３１に接触されるストッパ部材１４が設けられている。
ストッパ部材１４の本体は弾性変形可能な板ばね４０により形成されたものであって、その中間部は、支持部１２に設置された支持軸４１により矢印Ｃ１−Ｃ２方向に回転自在に軸支されている。
ストッパ部材１４の板ばね４０一端には剣山型プレート３０の凹凸面３１に接触するストッパゴム４２が設置され、また、板ばね４０他端には、該ストッパ部材１４を操作する操作部材１５が設置されている。 A stopper member 14 is provided on the upper part of the sword-shaped plate 30 in the figure to contact the uneven surface 31 on the outer surface.
The main body of the stopper member 14 is formed by a leaf spring 40 that can be elastically deformed, and an intermediate portion thereof is rotatably supported in a direction indicated by arrows C1 and C2 by a support shaft 41 provided on the support portion 12. ing.
At one end of the leaf spring 40 of the stopper member 14, a stopper rubber 42 that contacts the concave-convex surface 31 of the sword-shaped plate 30 is installed, and at the other end of the leaf spring 40, an operation member 15 that operates the stopper member 14 is installed. Have been.

ストッパゴム４２は、リング状に形成されかつ内面が剣山型プレート３０の凹凸面３１に接触可能に設けられるものであって、リング状の内部空間に、前述した連結ねじ３２が配置される。
また、このストッパゴム４２は、板ばね４０の端部にリング状に形成された保持部材４０Ａにより、該板ばね４０に連結されている。 The stopper rubber 42 is formed in a ring shape and the inner surface thereof is provided so as to be able to contact the uneven surface 31 of the sword-shaped plate 30, and the above-described connection screw 32 is disposed in the ring-shaped internal space.
The stopper rubber 42 is connected to the leaf spring 40 by a holding member 40A formed in a ring shape at an end of the leaf spring 40.

操作部材１５は、支持部１２に螺合される締込ねじ５０により構成されるものであって、締込ねじ５０を締結する又は緩めることで、支持軸４１を中心として板ばね４０を矢印Ｃ１−Ｃ２方向に回動できる。
具体的には、操作部材１５の締込ねじ５０を緩めて、支持軸４１を中心として矢印Ｃ１方向に板ばね４０を回転させた場合には、板ばね４０先端のストッパゴム４２が挟持部材１３の剣山型プレート３０から離間する位置となる。これにより、剣山型プレート３０の第３球面部Ｑ１３が支持部１２の対向モールド２３を上方から押える力が弱まる。 The operation member 15 is constituted by a tightening screw 50 screwed to the support portion 12. By tightening or loosening the tightening screw 50, the leaf spring 40 is centered on the support shaft 41 by an arrow C <b> 1. It can rotate in the -C2 direction.
Specifically, when the tightening screw 50 of the operation member 15 is loosened and the leaf spring 40 is rotated in the direction of arrow C1 about the support shaft 41, the stopper rubber 42 at the tip of the leaf spring 40 is Is located away from the sword-shaped plate 30. Thereby, the force of the third spherical portion Q13 of the sword mountain plate 30 pressing the opposing mold 23 of the support portion 12 from above is reduced.

一方、操作部材１５の締込ねじ５０を締めて、支持軸４１を中心として矢印Ｃ２方向に板ばね４０を回転させた場合には、板ばね４０先端のストッパゴム４２が挟持部材１３の剣山型プレート３０を上方から押圧する位置となる。これにより、剣山型プレート３０の第３球面部Ｑ１３が支持部１２の対向モールド２３を上方から押える力が強まる。   On the other hand, when the tightening screw 50 of the operation member 15 is tightened and the leaf spring 40 is rotated in the direction of arrow C2 about the support shaft 41, the stopper rubber 42 at the tip of the leaf spring 40 becomes This is a position where the plate 30 is pressed from above. Thereby, the force with which the third spherical portion Q13 of the sword mountain-shaped plate 30 presses the opposing mold 23 of the support portion 12 from above is increased.

そして、以上のように構成された投影角度調整装置１０１では、取付対象となる取付面Ｍ１に連結された支持部１２を介して投影機本体１１が支持される。
この支持部１２には、投影機本体１１と一体な第１球面部Ｑ１１に対してスライド可能な第２球面部Ｑ１２が設けられている。すなわち、投影機本体１１は第１球面部Ｑ１１及び第２球面部Ｑ１２を介して支持部１２に対して矢印Ｂ１−Ｂ２方向にスライドすることにより、予め定められた角度で回転及び移動可能となる。 In the projection angle adjusting device 101 configured as described above, the projector main body 11 is supported via the support portion 12 connected to the mounting surface M1 to be mounted.
The support portion 12 is provided with a second spherical portion Q12 slidable with respect to the first spherical portion Q11 integrated with the projector main body 11. That is, the projector body 11 can rotate and move at a predetermined angle by sliding in the directions of arrows B1-B2 with respect to the support portion 12 via the first spherical portion Q11 and the second spherical portion Q12. .

一方、支持部１２を挟んで投影機本体１１の反対側に位置する挟持部材１３には、投影機本体１１の第１球面部Ｑ１１と、支持部１２の第２球面部Ｑ１２との接触圧を調整するための第３球面部Ｑ１３が一体に設けられている。   On the other hand, the contact pressure between the first spherical portion Q11 of the projector main body 11 and the second spherical portion Q12 of the support portion 12 is applied to the holding member 13 located on the opposite side of the projector main body 11 with the support portion 12 therebetween. A third spherical portion Q13 for adjustment is provided integrally.

また、第３球面部Ｑ１３を有する挟持部材１３には、第２球面部Ｑ１２に対する第１球面部Ｑ１１のスライドを規制するストッパ部材１４が接触可能に設けられ、さらにストッパ部材１４のストッパゴム４２を挟持部材１３に向けて押圧又は離間するように操作する操作部材１５が設けられている。
そして、このような構成により、操作部材１５の締込ねじ５０を緩めて、支持軸４１を中心として矢印Ｃ１方向に板ばね４０を回転させた場合には、板ばね４０先端のストッパゴム４２が挟持部材１３の剣山型プレート３０から離間する位置となる。これにより、剣山型プレート３０内側の第３球面部Ｑ１３が支持部１２の対向モールド２３を上方から押える力が弱まる。その結果、投影機本体１１と一体な第１球面部Ｑ１１と、支持部１２と一体な第２球面部Ｑ１２との押圧状態が解除され、支持部１２に対する投影機本体１１の回転（すなわち、ｘｙｚ軸で示される三次元空間での回転）又は矢印Ｂ１−Ｂ２方向への移動を自在に行わせることができる。 Further, a stopper member 14 for restricting sliding of the first spherical portion Q11 with respect to the second spherical portion Q12 is provided on the holding member 13 having the third spherical portion Q13 so as to be in contact therewith. An operation member 15 is provided to operate so as to press or separate from the holding member 13.
With such a configuration, when the fastening screw 50 of the operation member 15 is loosened and the leaf spring 40 is rotated in the arrow C1 direction about the support shaft 41, the stopper rubber 42 at the tip of the leaf spring 40 is This is a position where the holding member 13 is separated from the sword-shaped plate 30. Accordingly, the force of the third spherical portion Q13 inside the sword mountain plate 30 pressing the opposing mold 23 of the support portion 12 from above is reduced. As a result, the pressed state of the first spherical portion Q11 integrated with the projector main body 11 and the second spherical portion Q12 integrated with the support portion 12 is released, and the rotation of the projector main body 11 with respect to the support portion 12 (ie, xyz) (Rotation in a three-dimensional space indicated by an axis) or movement in the directions of arrows B1-B2.

一方、操作部材１５の締込ねじ５０を締めて、支持軸４１を中心として矢印Ｃ２方向に板ばね４０を回転させた場合には、板ばね４０先端のストッパゴム４２が挟持部材１３の剣山型プレート３０を上方から押圧する位置となる。これにより、剣山型プレート３０内側の第３球面部Ｑ１３が支持部１２の対向モールド２３を上方から押える力が強まる。その結果、支持部１２と一体な第２球面部Ｑ１２が、投影機本体１１と一体な第１球面部Ｑ１１に対して密着され、支持部１２に対する投影機本体１１の回転又は矢印Ｂ１−Ｂ２方向移動を規制する。   On the other hand, when the leaf screw 40 is rotated in the direction of the arrow C2 around the support shaft 41 by tightening the tightening screw 50 of the operation member 15, the stopper rubber 42 at the tip of the leaf spring 40 becomes This is a position where the plate 30 is pressed from above. Thereby, the force by which the third spherical portion Q13 inside the sword mountain plate 30 presses the opposing mold 23 of the support portion 12 from above is increased. As a result, the second spherical portion Q12 integrated with the support portion 12 is brought into close contact with the first spherical portion Q11 integrated with the projector main body 11, and the rotation of the projector main body 11 with respect to the support portion 12 or the arrow B1-B2 direction. Restrict movement.

すなわち、本実施形態の投影角度調整装置１０１では、作業者が操作部材１５の締込ねじ５０を操作することにより、ストッパ部材１４、挟持部材１３及び該挟持部材１３と一体な第３球面部Ｑ１３を順次介して、投影機本体１１と一体な第１球面部Ｑ１１が、支持部１２と一体な第２球面部Ｑ１２に対して回転又は移動することを適宜、設定可能とする。
従って、本実施形態の投影角度調整装置１０１では、取付対象となる取付面Ｍ１に連結された支持部１２に、第１球面部Ｑ１１〜第３球面部Ｑ１３、ストッパ部材１４及び操作部材１５という簡易な構成を設けるだけで、投影機本体１１からの投影角度を容易かつ確実に調整及び位置決めすることができ、かつ天井、壁面などの取付面Ｍ１への取付にも自在に対応することができる。
さらに、本実施形態の投影角度調整装置１０１は簡易な構成であるので、小型化にも容易に対応することができる。 That is, in the projection angle adjusting device 101 of the present embodiment, when the operator operates the tightening screw 50 of the operation member 15, the stopper member 14, the holding member 13, and the third spherical portion Q13 integrated with the holding member 13 are provided. , The rotation or movement of the first spherical portion Q11 integral with the projector main body 11 with respect to the second spherical portion Q12 integral with the support portion 12 can be set as appropriate.
Therefore, in the projection angle adjustment device 101 of the present embodiment, the support portion 12 connected to the mounting surface M1 to be mounted has a simple configuration of the first spherical portion Q11 to the third spherical portion Q13, the stopper member 14, and the operation member 15. By simply providing a simple configuration, the projection angle from the projector main body 11 can be easily and reliably adjusted and positioned, and can be freely mounted on the mounting surface M1 such as a ceiling or a wall surface.
Furthermore, since the projection angle adjustment device 101 of the present embodiment has a simple configuration, it can easily cope with downsizing.

また、本実施形態の投影角度調整装置１０１は、支持部１２の前側（図中右側）に位置し、支持部の後側（図中左側）に投影画像を鑑賞する鑑賞者が位置する構成であるので、投影機本体１１のケーシング２０の前側（図中右側）に操作部材１５の締込ねじ５０を位置させることができる。そして、このような投影機本体１１のケーシング２０の存在により、操作部材１５の締込ねじ５０が、鑑賞者から見えない箇所に位置することになり、外観が損なわれることを防止できる効果がある。   In addition, the projection angle adjustment device 101 of the present embodiment is configured to be located on the front side (the right side in the figure) of the support unit 12 and to have a viewer who views the projected image behind the support unit (the left side in the figure). Therefore, the tightening screw 50 of the operation member 15 can be located on the front side (the right side in the figure) of the casing 20 of the projector main body 11. The presence of the casing 20 of the projector main body 11 causes the tightening screw 50 of the operation member 15 to be located at a position that cannot be seen by a viewer, and has the effect of preventing the appearance from being impaired. .

なお、上記実施形態は以下のように変形しても良い。
（変形例１）
上記実施形態では、投影機本体１１の筐体となるケーシング２０に、図中上方に突出する凸状の第１球面部Ｑ１１を設け、これに対応して対向モールド２３に凹状の第２球面部Ｑ１２を配置し、かつ剣山型プレート３０にも凹状の第３球面部Ｑ１３を配置した。
しかし、これに限定されず、図中下方に向けて凹状の第１球面部Ｑ１１を設け、これに対応して対向モールド２３及び剣山型プレート３０に、凸状の第２球面部Ｑ１２及び第３球面部Ｑ１３をそれぞれ配置しても良い。 The above embodiment may be modified as follows.
(Modification 1)
In the above embodiment, a convex first spherical portion Q11 protruding upward in the drawing is provided on a casing 20 serving as a housing of the projector body 11, and a concave second spherical portion is formed on the opposing mold 23 correspondingly. Q12 was arranged, and a concave third spherical portion Q13 was arranged also on the sword-shaped plate 30.
However, the present invention is not limited thereto, and a concave first spherical surface portion Q11 is provided downward in the drawing, and a corresponding convex second spherical surface portion Q12 and third convex spherical surface portion The spherical portions Q13 may be arranged.

（変形例２）
上記実施形態では、第１球面部Ｑ１１〜第３球面部Ｑ１３の曲率を同じ／ほぼ同じに設定しているが、これに限定されず、互いに嵌合する構成が保たれるのであれば、各曲率を段階的に変化させるようにしても良い。
また、第１球面部Ｑ１１〜第３球面部Ｑ１３の大きさ／重なり範囲を上側になる程、小さくなるように設定しているが、これら第１球面部Ｑ１１〜第３球面部Ｑ１３の大きさ／重なり範囲は適宜設定可能である。
すなわち、凹曲面の曲率半径が凸曲面の曲率半径より大きければ、凹曲面の内側で凸曲面を支持することができ、その曲率半径の差が小さければ小さいほど位置決め精度および位置決め安定性を向上させることができる。 (Modification 2)
In the above-described embodiment, the curvatures of the first spherical portion Q11 to the third spherical portion Q13 are set to the same / substantially the same. However, the present invention is not limited to this. The curvature may be changed stepwise.
The size / overlapping range of the first spherical portion Q11 to the third spherical portion Q13 is set to be smaller as the upper side thereof is higher, but the size of the first spherical portion Q11 to the third spherical portion Q13 is set. / The overlapping range can be set as appropriate.
That is, if the radius of curvature of the concave surface is larger than the radius of curvature of the convex surface, the convex surface can be supported inside the concave surface, and the smaller the difference in the radius of curvature, the better the positioning accuracy and positioning stability. be able to.

（変形例３）
上記実施形態では、支持部１２の対向モールド２３に、投影機本体１１の可動域（符号ｂで示す）を決定する貫通孔２４が設けられているが、その貫通孔２４の大きさは、投影機本体１１が支持部１２に対して矢印Ｂ１−Ｂ２方向に移動する角度に基づき適宜設定される。すなわち、図４に示される投影機本体１１の可動域ｂは、図面より小さい範囲であっても良いし、第１球面部Ｑ１１及び第２球面部Ｑ１２が接触される範囲の全域に亘って形成しても良い。 (Modification 3)
In the above embodiment, the opposing mold 23 of the support portion 12 is provided with the through-hole 24 that determines the movable range (indicated by the symbol “b”) of the projector body 11. It is set appropriately based on the angle at which the machine main body 11 moves in the directions of the arrows B1-B2 with respect to the support portion 12. That is, the movable range b of the projector body 11 shown in FIG. 4 may be smaller than the drawing, or may be formed over the entire range where the first spherical portion Q11 and the second spherical portion Q12 are in contact. You may.

（変形例４）
上記実施形態では、支持部１２の取付対象となる取付面Ｍ１を天井面としたが、これに限定されず、垂直な壁面であっても良いし、水平な床面であっても良い。 (Modification 4)
In the above embodiment, the mounting surface M1 to which the support portion 12 is mounted is the ceiling surface. However, the mounting surface is not limited to this, and may be a vertical wall surface or a horizontal floor surface.

以上、本発明の実施形態について図面を参照して詳述したが、具体的な構成はこの実施形態に限られるものではなく、本発明の要旨を逸脱しない範囲の設計変更等も含まれる。   As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to the embodiments, and includes design changes and the like without departing from the gist of the present invention.

本発明は、天井取付式短焦点プロジェクター等に適用されて、投影画面の位置ずれを容易に修正可能な投影角度調整装置、投影装置及び投影角度調整方法に関する。   The present invention relates to a projection angle adjustment device, a projection device, and a projection angle adjustment method that are applied to a ceiling-mounted short focus projector or the like, and that can easily correct a position shift of a projection screen.

１ 投影機本体
２ 支持部
３ 挟持部材
４ ストッパ部材
５ 操作部材
１１ 投影機本体
１２ 支持部
１３ 挟持部材
１４ ストッパ部材
１５ 操作部材
２０ ケーシング
２１ 本体ケースドーム部
２３ 対向モールド
３０ 剣山型プレート
４０ 板ばね
４１ 支持軸
４２ ストッパゴム
５０ 締込ねじ
１００ 投影角度調整装置
１０１ 投影角度調整装置
Ｍ 取付面
Ｍ１ 取付面
Ｑ１ 第１球面部
Ｑ２ 第２球面部
Ｑ３ 第３球面部
Ｑ１１ 第１球面部
Ｑ１２ 第２球面部
Ｑ１３ 第３球面部 DESCRIPTION OF SYMBOLS 1 Projector main body 2 Support part 3 Holding member 4 Stopper member 5 Operating member 11 Projector main body 12 Support part 13 Holding member 14 Stopper member 15 Operating member 20 Casing 21 Main body case dome part 23 Opposite mold 30 Sword mountain plate 40 Leaf spring 41 Support shaft 42 Stopper rubber 50 Tightening screw 100 Projection angle adjustment device 101 Projection angle adjustment device M Mounting surface M1 Mounting surface Q1 First spherical surface portion Q2 Second spherical surface portion Q3 Third spherical surface portion Q11 First spherical surface portion Q12 Second spherical surface portion Q13 Third spherical surface

Claims (10)

画像を投影する投影機本体と、取付対象となる取付面に連結されかつ前記投影機本体を支持する支持部との間に介在される投影角度調整装置であって、
前記投影機本体と一体に設けられた第１球面部と、
前記支持部と一体に設けられかつ前記第１球面部に対してスライド可能に設けられた第２球面部と、
前記支持部を挟んで前記投影機本体の反対側に位置する挟持部材３と一体に設けられて、前記第１球面部との間に前記第２球面部を挟み込む第３球面部と、
前記挟持部材に接触可能に設けられて前記第２球面部に対する前記第１球面部のスライドを規制するストッパ部材と、
前記ストッパ部材を前記挟持部材に向けて押圧又は離間するように操作する操作部材と、を有する投影角度調整装置。 A projector angle adjusting device that is interposed between a projector main body that projects an image and a support portion that is connected to a mounting surface to be mounted and supports the projector main body,
A first spherical portion provided integrally with the projector body;
A second spherical portion provided integrally with the support portion and slidably provided with respect to the first spherical portion;
A third spherical portion provided integrally with the holding member 3 located on the opposite side of the projector main body with the support portion interposed therebetween and sandwiching the second spherical portion with the first spherical portion;
A stopper member provided so as to be capable of contacting the holding member and restricting sliding of the first spherical portion with respect to the second spherical portion;
An operation member for operating the stopper member so as to press or separate it toward the holding member. 前記支持部の取付対象となる取付面は天井面であることを特徴とする請求項１に記載の投影角度調整装置。   The projection angle adjustment device according to claim 1, wherein a mounting surface to which the support portion is mounted is a ceiling surface. 前記第１〜第３球面部は互いに並行となる位置関係にありかつ同一の曲率で形成されていることを特徴とする請求項1又は２のいずれか１項に記載の投影角度調整装置。   3. The projection angle adjusting device according to claim 1, wherein the first to third spherical portions have a positional relationship parallel to each other and have the same curvature. 前記第１〜第３球面部は上側に向けて湾曲することを請求項1〜３のいずれか１項に記載の投影角度調整装置。   The projection angle adjusting device according to claim 1, wherein the first to third spherical portions are curved upward. 前記第３球面部は、前記第１及び第２球面部の設置範囲内の一部に形成されることを請求項1〜４のいずれか１項に記載の投影角度調整装置。   The projection angle adjustment device according to any one of claims 1 to 4, wherein the third spherical portion is formed in a part of an installation range of the first and second spherical portions. 前記ストッパ部材は、リング状に形成されかつ内面が前記挟持部材の表面に接触するストッパゴムを有することを特徴とする請求項１〜５のいずれか１項に記載の投影角度調整装置。   The projection angle adjusting device according to any one of claims 1 to 5, wherein the stopper member is formed in a ring shape and has a stopper rubber whose inner surface is in contact with a surface of the holding member. 前記ストッパ部材の本体は弾性変形可能な板ばねにより形成されることを特徴とする請求項１〜６のいずれか１項に記載の投影角度調整装置。   The projection angle adjusting device according to any one of claims 1 to 6, wherein a main body of the stopper member is formed of an elastically deformable leaf spring. 前記ストッパ部材の本体は前記支持部に設けられた支持軸に回転自在に軸支され、
前記ストッパ部材の本体一端側に前記挟持部材の表面に接触する前記ストッパゴムが設置され、前記ストッパ部材の本体他端側に前記操作部材が設置されることを特徴とする請求項６または７のいずれか１項に記載の投影角度調整装置。 The main body of the stopper member is rotatably supported by a support shaft provided in the support portion,
9. The stopper rubber according to claim 6, wherein the stopper rubber is provided at one end of the main body of the stopper member so as to contact the surface of the holding member, and the operating member is provided at the other end of the main body of the stopper member. The projection angle adjusting device according to claim 1. 請求項１〜８のいずれか1項に記載の投影角度調整装置が投影機本体の支持部に設けられることを特徴とする投影装置。   A projection apparatus, wherein the projection angle adjustment device according to any one of claims 1 to 8 is provided on a support of a projector main body. 画像を投影する投影機本体と、取付対象となる取付面に連結されかつ前記投影機本体を支持する支持部との間に介在される投影角度調整装置において、
前記投影機本体と一体な第１球面部に対して前記支持部と一体な第２球面部をスライド可能に位置させる段階と、
前記支持部を挟んで前記投影機本体の反対側に挟持部材を位置させる段階と、
前記挟持部材の表面に対してストッパ部材を押圧又は離間することにより、第１球面部と第２球面部との接触圧力を調整して、前記支持部に対する前記投影機本体の回転又は移動を許容又は規制する段階と、を有することを特徴とする投影角度調整方法。 In a projection angle adjusting device that is interposed between a projector main body that projects an image and a support portion that is connected to a mounting surface to be mounted and supports the projector main body,
Positioning a second spherical portion integral with the support portion slidably with respect to a first spherical portion integral with the projector body;
Positioning a holding member on the opposite side of the projector main body with the support portion interposed therebetween,
By pressing or separating the stopper member against the surface of the holding member, the contact pressure between the first spherical portion and the second spherical portion is adjusted, and the rotation or movement of the projector main body with respect to the support portion is allowed. Or a step of regulating the projection angle.
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