JPH0449611Y2 - - Google Patents
Info
- Publication number
- JPH0449611Y2 JPH0449611Y2 JP151287U JP151287U JPH0449611Y2 JP H0449611 Y2 JPH0449611 Y2 JP H0449611Y2 JP 151287 U JP151287 U JP 151287U JP 151287 U JP151287 U JP 151287U JP H0449611 Y2 JPH0449611 Y2 JP H0449611Y2
- Authority
- JP
- Japan
- Prior art keywords
- mirror body
- coupling member
- objective lens
- binoculars
- optical axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 19
- 210000001747 pupil Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Description
【考案の詳細な説明】
産業上の利用分野
本考案は双眼鏡に関し、特に、ポロプリズムも
しくはポロミラーを用いた双眼鏡における眼幅調
節機構に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to binoculars, and particularly to an interpupillary distance adjustment mechanism in binoculars using a Porro prism or a Porro mirror.
従来の技術
使用者それぞれによつて両眼の間隔は一定でな
いため、双眼鏡には、使用者の両眼の間隔に合致
させるよう左右一対の鏡体の間隔を調節する眼幅
調節機構が不可欠であり、その構成も従来から
種々のものが知られている。BACKGROUND TECHNOLOGY Since the distance between the eyes of each user is not constant, binoculars must have an interpupillary distance adjustment mechanism that adjusts the distance between the left and right lenses to match the distance between the user's eyes. Various types of configurations have been known.
一方、従来におけるポロプリズムもしくはポロ
ミラーを用いた双眼鏡の左右一対の鏡体は、結合
部材に、対物レンズ及び接眼レンズの光軸と平行
な軸を中心として回動自在に支持されているのが
一般的である。 On the other hand, the pair of left and right mirror bodies of conventional binoculars using Porro prisms or Porro mirrors is generally supported by a coupling member so as to be rotatable about an axis parallel to the optical axes of the objective lens and eyepiece. It is true.
考案が解決しようとする問題点
したがつて従来にあつては、眼幅調節を行うた
めに、各鏡体を接離方向に回動させると、前記各
対物レンズの光軸も互いに接離方向に移動し、軸
間距離が変化してしまう。このため、組み立て時
において精度よく光軸の調整をすることが困難で
あり、また、平板状の偏光フイルター等を左右一
体的に装着することは不可能であるという欠点が
ある。また、前述のような各鏡体の接離方向への
回動は、使用者が双眼鏡を覗きながら、鏡体を直
接回動して行うのが一般的であり、この操作が煩
雑であるという欠点もあつた。Problems to be Solved by the Invention Therefore, in the past, when each mirror body was rotated in the direction toward and away from each other in order to adjust the interpupillary distance, the optical axes of the objective lenses were also rotated in the direction toward and away from each other. , and the distance between the axes changes. For this reason, it is difficult to accurately adjust the optical axis during assembly, and there are also disadvantages in that it is impossible to integrally mount flat polarizing filters on the left and right sides. In addition, the above-mentioned rotation of each mirror body in the approaching and separating directions is generally performed by the user directly rotating the mirror body while looking through the binoculars, which is a cumbersome operation. There were also drawbacks.
本考案は、このような欠点を解消した双眼鏡の
眼幅調節機構を提供することを目的とする。 An object of the present invention is to provide a pupil distance adjustment mechanism for binoculars that eliminates such drawbacks.
問題点を解決するための手段
ポロプリズムもしくはポロミラーを用いた双眼
鏡において、左右一対の鏡体の各対物レンズ側を
その周部で結合部材に回動自在に支持する一方、
前記各鏡体をその対物レンズの光軸を軸として回
動すべく各鏡体の接眼レンズ側をそれぞれ軸受板
を介して前記各対物レンズの光軸上で前記結合部
材に支持し、前記各鏡体には、前記結合部材に支
持した駆動部材によつて前記各鏡体を回動すべく
前記駆動部材と係合する従動部を形成し、前記駆
動部材を操作するための操作部材を前記結合部材
外に設けたものである。Means for Solving the Problems In binoculars using Porro prisms or Porro mirrors, each objective lens side of a pair of left and right mirrors is rotatably supported on a coupling member at its periphery, while
In order to rotate each mirror body about the optical axis of the objective lens, the eyepiece side of each mirror body is supported by the coupling member on the optical axis of each objective lens via a bearing plate, and The mirror body is formed with a driven portion that engages with the drive member to rotate each mirror body by the drive member supported by the coupling member, and an operating member for operating the drive member is formed on the mirror body. It is provided outside the coupling member.
作 用
各鏡体をその対物レンズの光軸を軸として回動
すべく支持したので、眼幅調節のため各接眼レン
ズの光軸間距離を変化させても、各対物レンズの
光軸は同一位置で回転するだけであり、その軸間
距離が変化することはなく、また、眼幅調節は結
合部材外に設けた操作部材により行うので、調節
操作が容易となる。Function Since each mirror body is supported to rotate around the optical axis of its objective lens, even if the distance between the optical axes of each eyepiece is changed to adjust the interpupillary distance, the optical axis of each objective lens remains the same. The interpupillary distance is simply rotated at the desired position without changing the distance between the axes, and the interpupillary distance adjustment is performed using an operating member provided outside the coupling member, making the adjustment operation easy.
実施例
以下、本考案の好適な実施例を添付図面に基づ
いて詳細に説明する。Embodiments Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
ここにおいて、第１図は双眼鏡全体を示す平面
図、第２図は駆動部材と各鏡体との係合状態を示
す接眼レンズ側から見た結合部材の断面図、第３
図は要部の概略的な分解図、第４図は鏡体の対物
レンズ側を示す側面図である。 Here, FIG. 1 is a plan view showing the entire binoculars, FIG. 2 is a cross-sectional view of the coupling member seen from the eyepiece side, showing the state of engagement between the driving member and each mirror body, and FIG.
The figure is a schematic exploded view of the main parts, and FIG. 4 is a side view showing the objective lens side of the mirror body.
第３図に示したように、結合部材１は、互いの
軸線ｋ，k′が平行で、かつ長手方向のほぼ半分ま
で伸びる一対の保持孔２，３を有している。前記
結合部材１は、上下両面１ａ，１ｂが前記各保持
孔２，３よりさらに伸び、その端部には固定壁４
が設けられ、固定壁４の側面は、前記各保持孔
２，３と同一の曲率を有する円弧状に形成されて
いる。また、前記固定壁４には、後述する軸受板
とカバー板とをそれぞれねじ止めするための上下
各２対のねじ穴５ａ，５ｂ，５ｃ，５ｄ及び６
ａ，６ｂ，６ｃ，６ｄが穿設されている。なお、
保持孔２，３の固定壁４とは反対端の内周面は、
図示してはいないが、テーパー面となつている。 As shown in FIG. 3, the coupling member 1 has a pair of holding holes 2 and 3 whose axes k and k' are parallel to each other and extend approximately halfway in the longitudinal direction. The upper and lower surfaces 1a and 1b of the coupling member 1 extend further beyond the respective holding holes 2 and 3, and a fixing wall 4 is provided at the end thereof.
The side surface of the fixed wall 4 is formed into an arc shape having the same curvature as each of the holding holes 2 and 3. The fixed wall 4 also has two pairs of upper and lower screw holes 5a, 5b, 5c, 5d and 6 for screwing a bearing plate and a cover plate, which will be described later, respectively.
Holes a, 6b, 6c, and 6d are drilled. In addition,
The inner peripheral surface of the holding holes 2 and 3 at the opposite end from the fixed wall 4 is
Although not shown, it has a tapered surface.
第２図で明らかなように、結合部材１の上下両
面１ａ，１ｂの固定壁４近傍には、駆動部材たる
ウオーム７が刻設された駆動軸８が回転自在に支
持されている。駆動軸８の上端は結合部材１の上
面１ａから突出し、この突出部分に操作部材９が
固定されている。第１図及び第２図に示したよう
に、操作部材９には指標１０が設けられる一方、
結合部材１の上面１ａには目盛１１が設けられて
いる。したがつて、前記操作部材６を回動する
と、駆動軸８も前記操作部材９の回動方向と同一
方向に、かつ前記操作部材９の回動量と同一量だ
け回動し、その回動方向及び回動量は、前記目盛
１１に対する指標１０の位置によつて読み取るこ
とができる。 As is clear from FIG. 2, a drive shaft 8 on which a worm 7, which is a drive member, is carved is rotatably supported near the fixed walls 4 on both upper and lower surfaces 1a and 1b of the coupling member 1. The upper end of the drive shaft 8 protrudes from the upper surface 1a of the coupling member 1, and an operating member 9 is fixed to this protruding portion. As shown in FIGS. 1 and 2, the operating member 9 is provided with an indicator 10,
A scale 11 is provided on the upper surface 1a of the coupling member 1. Therefore, when the operating member 6 is rotated, the drive shaft 8 is also rotated in the same direction as the rotating direction of the operating member 9 and by the same amount as the rotating amount of the operating member 9. The amount of rotation can be read by the position of the indicator 10 with respect to the scale 11.
第２図で明らかなように、各保持孔２，３には
それぞれ、左右一対の鏡体１２，１３の対物レン
ズ側が、互いの軸線が一致するようにして回動自
在に嵌入しており、各鏡体１２，１３の嵌入先端
外周面は前記各保持孔２，３のテーパー面になら
つたテーパー面１２ａとなつている（但し鏡体１
２についてのみ図示）。これによつて、各鏡体１
２，１３の対物レンズ側はそれぞれの外周におい
て、結合部材１に回動自在に支持されることにな
り、前記両テーパー面１２ａが接合することによ
つて、前記各鏡体１２，１３は、各保持孔２，３
に対して円滑に回動し得るものである。次ぎに、
各鏡体１２，１３の構成をその支持機構とともに
さらに詳述するが、両者は嵌入位置が左右相違す
ることにともなう勝手違いを除いては同一構成で
あるから、鏡体１２についてのみ説明する。 As is clear from FIG. 2, the objective lens sides of a pair of left and right mirror bodies 12 and 13 are rotatably fitted into each of the holding holes 2 and 3 so that their axes coincide with each other. The outer peripheral surface of the fitting tip of each mirror body 12, 13 is a tapered surface 12a that follows the tapered surface of each of the holding holes 2, 3 (however, the mirror body 1
(Only 2 is shown). By this, each mirror body 1
The objective lenses 2 and 13 are rotatably supported by the coupling member 1 at their respective outer peripheries, and by joining both the tapered surfaces 12a, each of the mirror bodies 12 and 13 is Each holding hole 2, 3
It can be rotated smoothly against the Next,
The structure of each mirror body 12, 13 will be described in more detail together with its support mechanism, but since both mirror bodies have the same configuration except for the difference in right and left fitting positions, only the mirror body 12 will be described.
第３図に示したように、鏡体１２は対物レンズ
収納部１２ｂと接眼レンズ収納部１２ｃとからな
り、これら各収納部１２ｂ，１２ｃには、図示し
ていないが対物レンズ、接眼レンズ、ポロプリズ
ムを有する光学レンズ系が内蔵されている。そし
て、前記対物レンズの光軸１が保持孔２の軸線ｋ
と一致するように、鏡体１２は前記保持孔２に回
動自在に支持されているものである。また、対物
レンズ収納部１２ｂの光軸１上に位置する接眼レ
ンズ側端面には受孔１４が透設されている。前記
鏡体１２は、ボール１５を前記受孔１４とともに
協働して回転自在に支持する受孔１６ａを備えた
軸受板１７が、その各透孔１８ａ，１８ｂ，１８
ｃ，１８ｄが固定壁４の各ねじ穴５ａ，５ｂ，５
ｃ，５ｄに対応位置して、前記固定壁４にねじ１
９止め固定されることにより、対物レンズの光軸
１を軸として回動自在の状態で結合部材１に支持
される。そして、この回動範囲は、第４図に示し
た鏡体１２の対物レンズ収納部１２ｂの外周に接
眼レンズ収納部１２ｃに沿つて突設した突縁部２
０の両側端が結合部材１の上下両面１ａ，１ｂの
側端面と当接することで規制される。また、前記
対物レンズ収納部１２ｂの外周には、ウオーム７
と噛合するよう従動部たるギア２１が刻設されて
いる。したがつて、操作部材９の回動方向及び回
動量に応じて、鏡体１２は対物レンズ（図示せ
ず）の光軸１を軸とし、第２図上時計方向若しく
は反時計方向に所定角度回動するのである。さら
に、前記接眼レンズ収納部１２ｃ端面には接眼カ
バー２２が設けられている。 As shown in FIG. 3, the mirror body 12 consists of an objective lens storage section 12b and an eyepiece storage section 12c, and each of these storage sections 12b and 12c contains an objective lens, an eyepiece lens, and a lens (not shown). It has a built-in optical lens system with a prism. The optical axis 1 of the objective lens is the axis k of the holding hole 2.
The mirror body 12 is rotatably supported in the holding hole 2 so as to coincide with the above. Further, a receiving hole 14 is transparently provided in the end surface of the eyepiece lens side located on the optical axis 1 of the objective lens housing portion 12b. The mirror body 12 has a bearing plate 17 provided with a receiving hole 16a that rotatably supports the ball 15 in cooperation with the receiving hole 14, and each of the through holes 18a, 18b, 18
c, 18d are the respective screw holes 5a, 5b, 5 of the fixed wall 4
Attach screws 1 to the fixed wall 4 at positions corresponding to c and 5d.
9, it is supported by the coupling member 1 in a rotatable state about the optical axis 1 of the objective lens. This rotation range is determined by a projecting edge 2 that is protruded from the outer periphery of the objective lens housing 12b of the mirror body 12 along the eyepiece housing 12c shown in FIG.
0 is regulated by contacting the side ends of both upper and lower surfaces 1a and 1b of the coupling member 1. Further, a worm 7 is provided on the outer periphery of the objective lens housing portion 12b.
A gear 21, which is a driven part, is carved so as to mesh with the driven part. Therefore, depending on the direction and amount of rotation of the operating member 9, the mirror body 12 rotates at a predetermined angle clockwise or counterclockwise in FIG. It rotates. Furthermore, an eyepiece cover 22 is provided on the end surface of the eyepiece storage portion 12c.
鏡体１３についても以上と同一な構成であり、
支持機構としては受孔１６ａに替わつて軸受板１
７の受孔１６ｂが対応するものである。 The mirror body 13 also has the same configuration as above,
As a support mechanism, the bearing plate 1 is used instead of the receiving hole 16a.
7 corresponds to the receiving hole 16b.
なお、第１図に示したように、軸受板１７を隠
すために、カバー板２３が固定壁４の各ねじ穴６
ａ，６ｂ，６ｃ，６ｄにねじ止めされ、また第１
図及び第３図に示したように、結合部材１の前記
カバー板２３とは反対面側にはフロントカバー２
４が嵌着されている。また、第１図乃至第３図に
示した、結合部材１の上面１ａに設けられたレバ
ー２５は、図示していない一対の接眼レンズ枠に
連繋されており、これを回動操作することによつ
て前記接眼レンズ枠を鏡体１２，１３内で軸方向
に移動して、焦点調節を行うものである。 Note that, as shown in FIG.
a, 6b, 6c, 6d, and the first
As shown in FIG. 3, a front cover 2 is provided on the opposite side of the coupling member 1 from the cover plate 23.
4 is fitted. Further, the lever 25 provided on the upper surface 1a of the coupling member 1 shown in FIGS. 1 to 3 is connected to a pair of eyepiece frames (not shown), and can be rotated. Therefore, the eyepiece frame is moved in the axial direction within the mirror bodies 12 and 13 to adjust the focus.
本実施例は以上のように構成したから、操作部
材９を所望方向に回動すると、その回動方向及び
回動量に応じて、各鏡体１２，１３は対物レンズ
（図示せず）の光軸１，１′を軸とし、第２図上時
計方向もしくは反時計方向に互いに反対方向に所
定角度回動し、接眼レンズ（図示せず）の光軸間
距離を変化させ、眼幅調節を行うことができる。
この際、対物レンズの光軸１，１′は常に一定位
置にあるので、その光軸間距離が変化することは
ない。 Since the present embodiment is configured as described above, when the operating member 9 is rotated in a desired direction, each mirror body 12, 13 is moved by the light of the objective lens (not shown) depending on the direction and amount of rotation. The eyepieces are rotated by a predetermined angle in opposite directions, clockwise or counterclockwise in FIG. It can be carried out.
At this time, since the optical axes 1 and 1' of the objective lenses are always at fixed positions, the distance between the optical axes does not change.
なお、本考案は上述した実施例に限定されるも
のではなく、例えば、ポロミラーを有する光学レ
ンズ系を用いることもでき、また、軸受板１７に
よる鏡体１２，１３の回動自在な支持はボール１
５のほか軸体を用いることも可能であり、さらに
は、各鏡体１２，１３の内周面で結合部材１に回
動自在に支持させてもよい。加えて、駆動部材と
従動部は、ウオーム７を有する駆動軸８と前記ウ
オーム７に噛合するギア２１の組み合わせに限定
されない等、その技術思想を逸脱しない範囲内で
多くの改変を施し得ることはもちろんである。 Note that the present invention is not limited to the embodiments described above, and for example, an optical lens system having a Porro mirror may be used, and the rotatable support of the mirror bodies 12 and 13 by the bearing plate 17 may be achieved by using a ball. 1
It is also possible to use a shaft other than 5, and furthermore, the coupling member 1 may be rotatably supported on the inner circumferential surface of each mirror body 12, 13. In addition, the drive member and the driven part are not limited to the combination of the drive shaft 8 having the worm 7 and the gear 21 meshing with the worm 7, and many modifications can be made without departing from the technical idea. Of course.
効 果
以上説明したところで明らかなように、本考案
によれば、簡単な操作で眼幅調節が可能になり、
眼幅調節の際にも対物レンズの光軸は常に一定位
置にあるので、平板状の偏光フイルター等を左右
一体的に装着することができ、また、組み立て時
における光軸調整が容易となるほか、各鏡体を支
持する結合部材は眼幅調節時にも静止状態にある
からその下面に三脚取り付け用の穴を設けること
も可能となるという多くの勝れた効果を奏するこ
とができる。Effects As is clear from the above explanation, according to the present invention, it is possible to adjust the interpupillary distance with a simple operation.
Since the optical axis of the objective lens is always in a fixed position even when adjusting interpupillary distance, flat polarizing filters, etc. can be attached to the left and right sides, and optical axis adjustment during assembly is easy. Since the connecting member that supports each mirror body remains stationary even when the interpupillary distance is adjusted, it is possible to provide a hole for attaching a tripod on the lower surface of the connecting member, which provides many excellent effects.
図は本考案の好適な実施例を示し、第１図は双
眼鏡全体を示す平面図、第２図は駆動部材と各鏡
体との係合状態を示す接眼レンズ側から見た結合
部材の断面図、第３図は要部の概略的な分解図、
第４図は鏡体の対物レンズ側を示す側面図であ
る。
１……結合部材、２，３……保持孔、７……ウ
オーム、８……駆動軸、９……操作部材、１２，
１３……鏡体、１２ｂ，１３ｂ……対物レンズ収
納部、１２ｃ，１３ｃ……接眼レンズ収納部、１
４……受孔、１５……ボール、１６ａ，１６ｂ…
…受孔、１７……軸受板、２０……突縁部、２１
……ギア。
The figures show a preferred embodiment of the present invention, with Fig. 1 being a plan view showing the entire binoculars, and Fig. 2 being a cross section of the coupling member seen from the eyepiece side showing the state of engagement between the driving member and each mirror body. Figure 3 is a schematic exploded view of the main parts,
FIG. 4 is a side view showing the objective lens side of the mirror body. DESCRIPTION OF SYMBOLS 1... Connection member, 2, 3... Holding hole, 7... Worm, 8... Drive shaft, 9... Operation member, 12,
13...Mirror body, 12b, 13b...Objective lens storage section, 12c, 13c...Eyepiece lens storage section, 1
4... Receiving hole, 15... Ball, 16a, 16b...
... Receiving hole, 17... Bearing plate, 20... Projection, 21
……gear.
Claims (1)
鏡において、左右一対の鏡体の各対物レンズ側を
その周部で結合部材に回動自在に支持する一方、
前記各鏡体をその対物レンズの光軸を軸として回
動すべく各鏡体の接眼レンズ側をそれぞれ軸受板
を介して前記各対物レンズの光軸上で前記結合部
材に支持し、前記各鏡体には、前記結合部材に支
持した駆動部材によつて前記各鏡体を回動すべく
前記駆動部材と係合する従動部を形成し、前記駆
動部材を操作するための操作部材を前記結合部材
外に設けたことを特徴とする双眼鏡の眼幅調節機
構。 In binoculars using Porro prisms or Porro mirrors, each objective lens side of a pair of left and right mirrors is rotatably supported by a coupling member at its periphery, while
In order to rotate each mirror body about the optical axis of the objective lens, the eyepiece side of each mirror body is supported by the coupling member on the optical axis of each objective lens via a bearing plate, and The mirror body is formed with a driven portion that engages with the drive member to rotate each mirror body by the drive member supported by the coupling member, and an operating member for operating the drive member is formed on the mirror body. A pupil distance adjustment mechanism for binoculars, characterized in that it is provided outside a coupling member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP151287U JPH0449611Y2 (en) | 1987-01-09 | 1987-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP151287U JPH0449611Y2 (en) | 1987-01-09 | 1987-01-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63109915U JPS63109915U (en) | 1988-07-15 |
| JPH0449611Y2 true JPH0449611Y2 (en) | 1992-11-24 |
Family
ID=30779486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP151287U Expired JPH0449611Y2 (en) | 1987-01-09 | 1987-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449611Y2 (en) |
-
1987
- 1987-01-09 JP JP151287U patent/JPH0449611Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63109915U (en) | 1988-07-15 |
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