JPH07224856A - Coupling - Google Patents
CouplingInfo
- Publication number
- JPH07224856A JPH07224856A JP6037754A JP3775494A JPH07224856A JP H07224856 A JPH07224856 A JP H07224856A JP 6037754 A JP6037754 A JP 6037754A JP 3775494 A JP3775494 A JP 3775494A JP H07224856 A JPH07224856 A JP H07224856A
- Authority
- JP
- Japan
- Prior art keywords
- joint portion
- coupling
- driven body
- driven
- optical microscope
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 20
- 238000010168 coupling process Methods 0.000 title claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Automatic Focus Adjustment (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はカップリングに係わり、
特に光学顕微鏡のフォーカス用微動調整ツマミのような
被駆動体をモータによって駆動する場合等の駆動力伝達
手段として好適なカップリングに関する。This invention relates to couplings,
Particularly, the present invention relates to a coupling suitable as a driving force transmitting means when a driven body such as a fine adjustment knob for focusing of an optical microscope is driven by a motor.
【０００２】[0002]
【従来の技術】生物観察用のような光学顕微鏡において
は、フォーカス調整を２段階で行うようになっており、
そのためフォーカス用粗動及び微動調整ツマミを備えて
いる。即ち、最初、粗動調整ツマミを操作して大略的な
フォーカス調整を行ってから微動調整ツマミを操作して
最終的なピント合わせを行う。2. Description of the Related Art In an optical microscope for biological observation, focus adjustment is performed in two stages.
Therefore, the coarse and fine adjustment knobs for focusing are provided. That is, first, the coarse movement adjustment knob is operated to perform a rough focus adjustment, and then the fine movement adjustment knob is operated to perform final focusing.
【０００３】而して上記粗動及び微動操作によるフォー
カス調整は通常手動にて行われるが、例えば、上記光学
顕微鏡にカメラを取り付けて生物を１０倍以下の低倍率
で写真撮影するような場合、特に上記微動操作を手動に
て行いピント合わせを行うのは被写界深度の幅が広いた
めになかなか難しく長時間を要し容易ではない。Focus adjustment by the coarse and fine movement operations is usually performed manually. For example, when a camera is attached to the optical microscope to photograph a living organism at a low magnification of 10 times or less, In particular, it is difficult to manually perform the fine movement operation for focusing because the depth of field is wide, and it takes a long time and is not easy.
【０００４】[0004]
【発明が解決しようとする課題】このため光学顕微鏡と
オートフォーカス装置とを一体に組み込んだ装置が従来
から開発市販されており、上記オートフォーカス装置に
よって前記微動操作を自動的に行わせてピント合わせを
短時間で可能としている。しかるにかかるオートフォー
カス機能付きの従来の光学顕微鏡は大変高価なものであ
る上、このオートフォーカス装置は１台の光学顕微鏡に
専用となっているので極めて不経済である。For this reason, a device in which an optical microscope and an autofocus device are integrally incorporated has been conventionally developed and marketed, and the fine movement operation is automatically performed by the autofocus device to focus. Is possible in a short time. However, the conventional optical microscope with the autofocus function is very expensive, and this autofocus device is dedicated to one optical microscope, which is extremely uneconomical.
【０００５】この問題を解決するには、光学顕微鏡とは
独立にオートフォーカス装置を構成し、これにより所望
の光学顕微鏡のフォーカス用微動調整ツマミを駆動でき
るようにすればよい。但し、この場合、複雑な取付手段
を用いたり、取付時に光学顕微鏡に損傷を与えたりする
恐れはなく、また加工を施す必要がないことが望まれ
る。To solve this problem, an autofocus device may be constructed independently of the optical microscope so that the fine adjustment knob for focusing of a desired optical microscope can be driven. However, in this case, it is desired that there is no possibility of using a complicated mounting means or damaging the optical microscope at the time of mounting, and that it is not necessary to perform processing.
【０００６】本発明の目的はかかるフォーカス用微動調
整ツマミのような被駆動体に対する駆動力伝達手段とし
て好適なカップリングを提供することにある。An object of the present invention is to provide a coupling suitable as a driving force transmitting means for a driven body such as the fine adjustment knob for focusing.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、本発明のカップリングは、被駆動体の形状に対応し
た開口部を有し、該開口部の内周面が被駆動体と摩擦結
合される有底カップ状の第１のジョイント部と、該第１
のジョイント部の底部と駆動軸とを連結する可撓性の第
２のジョイント部と、を有することを要旨とする。In order to achieve the above object, the coupling of the present invention has an opening corresponding to the shape of the driven body, and the inner peripheral surface of the opening frictions with the driven body. A bottomed cup-shaped first joint part to be joined, and the first joint part
And a flexible second joint portion that connects the bottom portion of the joint portion and the drive shaft.
【０００８】[0008]
【作用】本発明のカップリングは、例えば、独立のオー
トフォーカス装置により光学顕微鏡のフォーカス用微動
調整ツマミを駆動する場合の駆動力伝達手段として用い
られる。即ち、第１のジョイント部を上記ツマミに摩擦
結合すると共に第２のジョイント部を上記オートフォー
カス装置のモータの回転軸に連結することによりフォー
カス用微動調整を自動的に行うことができる。The coupling of the present invention is used, for example, as a driving force transmitting means when the fine movement adjusting knob for focusing of the optical microscope is driven by an independent autofocus device. That is, fine adjustment of focus can be automatically performed by frictionally coupling the first joint portion to the knob and connecting the second joint portion to the rotation shaft of the motor of the autofocus device.
【０００９】[0009]
【実施例】以下図面に示す本発明の実施例を説明する。
図１は本発明によるカップリングの一実施例で、１は有
底カップ状の第１のジョイント部で、被駆動体の形状に
対応した開口部１ａを有し、例えば、ウレタンゴムから
成る。２は可撓性の第２のジョイント部で、例えば、図
２に示すように、２個のハブ２ａ，２ｂ及びベローズ２
ｃから成る。ハブ２ａ，２ｂは、例えば、アルマイト処
理されたアルミニウム合金製のもので、またベローズ２
ｃはりん青銅製であり、各ハブにはネジ穴２ａ’，２
ｂ’が設けられている。Embodiments of the present invention shown in the drawings will be described below.
FIG. 1 shows an embodiment of a coupling according to the present invention. Reference numeral 1 denotes a bottomed cup-shaped first joint portion having an opening 1a corresponding to the shape of a driven body and made of, for example, urethane rubber. Reference numeral 2 denotes a flexible second joint portion, for example, two hubs 2a and 2b and a bellows 2 as shown in FIG.
It consists of c. The hubs 2a and 2b are made of, for example, anodized aluminum alloy, and the bellows 2
c is made of phosphor bronze, and each hub has screw holes 2a ', 2
b'is provided.
【００１０】第１のジョイント部１は、図３に示すよう
に、ゴム製の有底カップで、その底部中心に第２のジョ
イント部２の一端部（ハブ２ａ）が連結される。この連
結は、例えば、ハブ２ａのネジ穴２ａ’にネジ２ａ1を
装着した状態で一体的に有底カップ底部の中心部１ｂに
埋設して成り、ネジ２ａ1が回り止め機能を果たすよう
にする。As shown in FIG. 3, the first joint portion 1 is a bottomed cup made of rubber, and one end portion (hub 2a) of the second joint portion 2 is connected to the center of the bottom portion of the cup. This connection is made, for example, by integrally embedding the screw 2a 1 in the screw hole 2a ′ of the hub 2a in the central portion 1b of the bottomed cup bottom so that the screw 2a 1 functions as a rotation stop. To do.
【００１１】第１のジョイント部１はその開口部１ａよ
り被駆動体上に装着されてその開口部１ａの内周面が被
駆動体と摩擦結合されると共に第２のジョイント部２の
他端部（ハブ２ｂ）は駆動軸にネジ止めされ、駆動軸よ
りの駆動力が被駆動体に摩擦伝導される。このように第
１のジョイント部１は被駆動体に摩擦結合される構成な
ので、特別な連結手段は不要であり、また被駆動体に対
する取付加工も一切行う必要がない。更に第１のジョイ
ント部１の底部に複数の穴１ｃを設けておけば、ツマミ
１６からの取外しを容易にすることができる。The first joint portion 1 is mounted on the driven body through the opening 1a, the inner peripheral surface of the opening 1a is frictionally coupled to the driven body, and the other end of the second joint portion 2 is provided. The portion (hub 2b) is screwed to the drive shaft, and the driving force from the drive shaft is frictionally transmitted to the driven body. Since the first joint portion 1 is configured to be frictionally coupled to the driven body as described above, no special connecting means is required and no mounting process is required for the driven body. Further, if a plurality of holes 1c are provided on the bottom of the first joint portion 1, it can be easily removed from the knob 16.
【００１２】図４は本発明の一実施態様として図１のカ
ップリングを、光学顕微鏡のフォーカス用微動調整ツマ
ミに対するオートフォーカス装置による駆動力伝達手段
として適用した例を示す。同図において、１０は取付ケ
ースで、該ケース内には内壁１０ａ，１０ｂで仕切られ
た室１１，１２，１３が設けられ、室１１内にモータ１
４が配置され、ネジ１４ａ，１４ｂにて内壁１０ａに取
り付けられている。１５は図１のカップリングで、室１
２にて第１のジョイント部１の開口部１ａがフォーカス
用微動調整ツマミ１６に装着されその内周面が摩擦結合
されると共に第２のジョイント部２は内壁１０ａの開口
を介してモータ（例えば、ステッピングモータ）１４の
回転軸１４ｃにネジ穴２ｂ’によりネジ止めされてい
る。室１３には光学顕微鏡のフォーカス用粗動調整ツマ
ミ１７が配置され所定の取付部材１８を介してケース１
０に取り付けられている。従ってツマミ１７はケース１
０を回転させることにより手動にて操作できる。FIG. 4 shows an example in which the coupling shown in FIG. 1 is applied as a driving force transmitting means by an autofocus device to a fine adjustment knob for focusing of an optical microscope as one embodiment of the present invention. In the figure, 10 is a mounting case, and inside the case, chambers 11, 12, and 13 partitioned by inner walls 10a and 10b are provided.
4 are arranged and attached to the inner wall 10a with screws 14a and 14b. Reference numeral 15 is the coupling shown in FIG.
At 2, the opening portion 1a of the first joint portion 1 is attached to the fine focus adjustment knob 16 for focusing, and the inner peripheral surface thereof is frictionally coupled, and the second joint portion 2 is connected to the motor (for example, through the opening of the inner wall 10a). , Stepping motor 14 is screwed to a rotating shaft 14c by a screw hole 2b '. A coarse movement adjusting knob 17 for focusing of an optical microscope is arranged in the chamber 13, and a case 1 is attached via a predetermined mounting member 18.
It is attached to 0. Therefore, the knob 17 is case 1
It can be operated manually by rotating 0.
【００１３】１９はモータ１４に接続されているコード
で、プラグ２０により図５に示すオートフォーカス装置
２１に接続されている。図５において、２２は光学顕微
鏡で、その上方部のカメラ取付部にＣＣＤカメラユニッ
ト２３が取り付けられ、該ユニット２３からの検出信号
はオートフォーカス装置２１に送られると共に該装置２
１からは上記検出信号に応じたフォーカス用微動信号が
ケース１０内のモータ１４に送られる。これによりフォ
ーカス用微動調整ツマミ１６はカップリング１５を介し
てモータ１４によって駆動され、オートフォーカスが行
われる。なお、オートフォーカス装置の詳細について
は、例えば、特開平４−２０８７８１号公報に開示され
ている。Reference numeral 19 is a cord connected to the motor 14, and is connected to an autofocus device 21 shown in FIG. In FIG. 5, reference numeral 22 is an optical microscope, a CCD camera unit 23 is attached to the camera attachment portion above the optical microscope, and a detection signal from the unit 23 is sent to the autofocus device 21 and the device 2
From 1, a fine focus movement signal corresponding to the detection signal is sent to the motor 14 in the case 10. As a result, the fine movement adjustment knob 16 for focus is driven by the motor 14 via the coupling 15 to perform autofocus. The details of the autofocus device are disclosed in, for example, Japanese Patent Laid-Open No. 4-208781.
【００１４】[0014]
【発明の効果】以上説明した所から明らかなように本発
明のカップリングによれば下記のような優れた効果が得
られる。 （１）ネジ等の特別の取付手段を用いることなく被駆動
体に摩擦結合により連結することができる。しかも被駆
動体に対し何らの加工も施す必要もなく、また損傷を与
える恐れもない。 （２）被駆動体の軸と駆動軸とがずれていたり、傾きが
あったりしても、これらを吸収してスムーズに駆動でき
る。また駆動時に騒音が発生することもない。 （３）被駆動体を光学顕微鏡のフォーカス用微動調整ツ
マミとしてオートフォーカス装置によりこれを駆動する
場合に適用すれば、安価かつ容易にオートフォーカス機
能付きの光学顕微鏡を実現できる。しかも本発明のカッ
プリングは着脱が容易なので、複数台の光学顕微鏡に対
し１台のオートフォーカス装置を共用することができ、
極めて安価なものとなる。As is clear from the above description, the coupling of the present invention provides the following excellent effects. (1) The driven body can be connected by frictional coupling without using a special mounting means such as a screw. Moreover, there is no need to perform any processing on the driven body and there is no fear of damage. (2) Even if the axis of the driven body and the drive axis are misaligned or tilted, they can be absorbed and smoothly driven. Further, no noise is generated during driving. (3) If the driven body is used as a fine adjustment knob for focusing of the optical microscope and is driven by the autofocus device, an optical microscope with an autofocus function can be realized inexpensively and easily. Moreover, since the coupling of the present invention can be easily attached and detached, one autofocus device can be commonly used for a plurality of optical microscopes,
It will be extremely inexpensive.
【図１】本発明の一実施例の構成を示す一部断面図であ
る。FIG. 1 is a partial cross-sectional view showing the configuration of an embodiment of the present invention.
【図２】上記実施例における第２のジョイント部の一構
成例を示す図である。FIG. 2 is a diagram showing a configuration example of a second joint section in the above-mentioned embodiment.
【図３】上記実施例における第１のジョイント部の一構
成例を示す図である。FIG. 3 is a diagram showing a configuration example of a first joint section in the above-described embodiment.
【図４】本発明の一実施態様を示す構成図である。FIG. 4 is a configuration diagram showing an embodiment of the present invention.
【図５】本発明の一実施態様を示す略線図である。FIG. 5 is a schematic diagram showing an embodiment of the present invention.
１ 第１のジョイント部 ２ 第２のジョイント部 1 1st joint part 2 2nd joint part
Claims (4)
し、該開口部の内周面が被駆動体と摩擦結合される有底
カップ状の第１のジョイント部と、 該第１のジョイント部の底部と駆動軸とを連結する可撓
性の第２のジョイント部と、 を有することを特徴とするカップリング。1. A bottomed cup-shaped first joint portion having an opening corresponding to the shape of a driven body, the inner peripheral surface of the opening being frictionally coupled to the driven body, and the first joint. And a flexible second joint portion that connects the bottom portion of the joint portion and the drive shaft, and the coupling.
ョイント部がベローズで夫々構成され、第１のジョイン
ト部が被駆動体とゴムの摩擦力のみで着脱可能に結合し
ていることを特徴とする請求項１に記載のカップリン
グ。2. The first joint portion is made of rubber and the second joint portion is made of bellows, respectively, and the first joint portion is detachably coupled only with the frictional force between the driven body and the rubber. The coupling according to claim 1, wherein:
設けたことを特徴とする請求項１又は２に記載のカップ
リング。3. The coupling according to claim 1, wherein a through hole is provided in the bottomed portion of the first joint portion.
動調整ツマミであり、かつ前記駆動体がオートフォーカ
ス装置のモータによって駆動されることを特徴とする請
求項１に記載のカップリング。4. The coupling according to claim 1, wherein the driven body is a fine adjustment knob for focusing of an optical microscope, and the drive body is driven by a motor of an autofocus device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3775494A JP3034753B2 (en) | 1994-02-10 | 1994-02-10 | Coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3775494A JP3034753B2 (en) | 1994-02-10 | 1994-02-10 | Coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07224856A true JPH07224856A (en) | 1995-08-22 |
| JP3034753B2 JP3034753B2 (en) | 2000-04-17 |
Family
ID=12506264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3775494A Expired - Fee Related JP3034753B2 (en) | 1994-02-10 | 1994-02-10 | Coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3034753B2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55151927U (en) * | 1979-04-05 | 1980-11-01 | ||
| JPS5988518U (en) * | 1982-12-06 | 1984-06-15 | ノイベルク有限会社 | Coupling for small motors |
| JPS6014324U (en) * | 1983-07-09 | 1985-01-31 | 株式会社椿本チエイン | Fastening device between shaft and rotating body |
| JPH0257257U (en) * | 1988-10-21 | 1990-04-25 | ||
| JPH0365022U (en) * | 1989-10-30 | 1991-06-25 |
-
1994
- 1994-02-10 JP JP3775494A patent/JP3034753B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55151927U (en) * | 1979-04-05 | 1980-11-01 | ||
| JPS5988518U (en) * | 1982-12-06 | 1984-06-15 | ノイベルク有限会社 | Coupling for small motors |
| JPS6014324U (en) * | 1983-07-09 | 1985-01-31 | 株式会社椿本チエイン | Fastening device between shaft and rotating body |
| JPH0257257U (en) * | 1988-10-21 | 1990-04-25 | ||
| JPH0365022U (en) * | 1989-10-30 | 1991-06-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3034753B2 (en) | 2000-04-17 |
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