JPH0412417Y2 - - Google Patents
Info
- Publication number
- JPH0412417Y2 JPH0412417Y2 JP1986014841U JP1484186U JPH0412417Y2 JP H0412417 Y2 JPH0412417 Y2 JP H0412417Y2 JP 1986014841 U JP1986014841 U JP 1986014841U JP 1484186 U JP1484186 U JP 1484186U JP H0412417 Y2 JPH0412417 Y2 JP H0412417Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- screw
- tightening
- surveying instrument
- rotation
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、トランシツト、セオドライト、ある
いは、レベル、トータルステーシヨン等の測量機
能を有する測量機の回転軸としての鉛直軸、水平
軸を微少回転させる測量機の微少軸回転装置の改
良に関する。[Detailed description of the invention] (Industrial application field) This invention allows for slight rotation of the vertical and horizontal axes as the rotation axes of surveying instruments such as transits, theodolites, levels, total stations, etc. Concerning improvements to minute axis rotation devices for surveying instruments.
（従来の技術）
従来から、測量機の回転軸に嵌挿された緊締環
と、この緊締環をその回転軸に緊締する緊締ネジ
と、その回転軸に緊締されたその緊締環を微少回
転させてその回転軸を微動回転させる微動ネジと
を有する測量機の軸微少回転装置が知られてい
る。そして、測量機の筺体には、許容孔が形成さ
れ、この許容孔に緊締ネジのネジ軸が挿通されて
いる。この許容孔は、その微動ネジの送り操作に
よつて緊締環が回転されるときに、緊締ネジもそ
の緊締環の微動回転方向に回転するために、その
回転軸の微動回転時にその緊締ネジのネジ軸がそ
の回転軸の微動回転方向に回転するのを許容する
機能を有している。(Prior Art) Conventionally, a tightening ring fitted onto the rotating shaft of a surveying instrument, a tightening screw tightening the tightening ring to the rotating shaft, and a tightening ring tightened to the rotating shaft are slightly rotated. 2. Description of the Related Art A shaft fine rotation device for a surveying instrument is known, which has a fine screw for finely rotating its rotation shaft. A tolerance hole is formed in the housing of the surveying instrument, and the threaded shaft of the tightening screw is inserted through the tolerance hole. When the tightening ring is rotated by the feeding operation of the fine adjustment screw, the tightening screw also rotates in the direction of fine rotation of the tightening ring. It has a function of allowing the screw shaft to rotate in the fine rotational direction of the rotation shaft.
ところで、従来から、その許容孔には、ごみ、
ほこり等の異物、雨滴の進入を防止するための防
塵手段が設けられている。第３図は、その従来の
測量機の防塵手段の構成を示すもので、この従来
の防塵手段は、筺体１０に形成されている許容孔
１１の裏面側に、その許容孔１１の開口面積より
も大きな面積を有する防塵板１２を設け、防塵板
１２に緊締ネジ１３のネジ軸１４が嵌挿される嵌
挿孔を形成し、そのネジ軸１４をその嵌挿孔に挿
通すると共に、筺体１０の裏面に取付けられてい
る保持部材１５と防塵板１２との間にバネ１６を
設けて、そのバネ１６によつてその防塵板１２を
許容孔１１の裏面に押し付け、回転軸の微動回転
時に微動回転される緊締環（図示を略す）の微少
回転に伴つて緊締ネジ１３のネジ軸１４が許容孔
１１内を微動回転方向（図中、矢印Ｆ方向）に移
動したとしても、それに伴つて防塵板１２が筺体
１０の裏面に摺接しつつ移動してその許容孔１１
を常時覆う構成となつている。 By the way, the permissible hole has traditionally been used to prevent dirt,
A dustproof means is provided to prevent foreign matter such as dust and raindrops from entering. FIG. 3 shows the configuration of the dust-proofing means of the conventional surveying instrument. A dustproof plate 12 having a large area is also provided, and a fitting hole into which the screw shaft 14 of the tightening screw 13 is fitted is formed in the dustproof plate 12, and the screw shaft 14 is inserted into the fitting hole. A spring 16 is provided between the holding member 15 attached to the back surface and the dust-proof plate 12, and the spring 16 presses the dust-proof plate 12 against the back surface of the tolerance hole 11, causing fine rotation when the rotating shaft rotates finely. Even if the screw shaft 14 of the tightening screw 13 moves in the direction of slight rotation (in the direction of arrow F in the figure) within the allowable hole 11 due to the slight rotation of the tightening ring (not shown), the dustproof plate will 12 moves while slidingly contacting the back surface of the housing 10 to open the permissible hole 11.
It is configured to cover the area at all times.
（考案が解決しようとする問題点）
ところが、この従来の測量機の軸微少回転装置
では、その防塵手段の構成が複雑で、部品点数が
多く組立に時間を要するためコストが高くなると
いう問題点があると共に、微動回転時の緊締ネジ
のネジ軸の運動軌跡が円弧運動であるのに対して
それに伴つて運動する防塵板の運動軌跡が直線運
動であるために防塵板とネジ軸との遊び量を大き
くしておかなければならず、防塵効果を十分に期
待できない問題もある。(Problems that the invention aims to solve) However, with this conventional shaft micro-rotating device for surveying instruments, the structure of the dust-proofing means is complicated, and there are many parts, which require time to assemble, resulting in high costs. At the same time, the movement trajectory of the screw shaft of the tightening screw during fine rotation is a circular motion, whereas the movement trajectory of the dustproof plate that moves along with it is a linear motion, so there is play between the dustproof plate and the screw shaft. There is also the problem that the amount must be large, and a sufficient dustproof effect cannot be expected.
（考案の目的）
本考案は、係る従来の欠点を解消するために為
されたもので、機械的に複雑な構造を採用せずに
部品点数を削減してコストの低減を図りつつ、防
塵機能をより一層向上させることのできる測量機
の軸微少回転装置を提供することを目的とする。(Purpose of the invention) The present invention was devised to eliminate the drawbacks of the conventional technology.It reduces the number of parts without adopting a mechanically complex structure, reduces costs, and has dustproof function. The purpose of the present invention is to provide a micro-rotation device for the shaft of a surveying instrument that can further improve the performance of the survey instrument.
（問題点を解決するための手段）
上記の目的を達成するための本考案に係る測量
機の軸微少回転装置の構成上の特徴は、測量機の
筐体に形成されて微動回転時のネジ軸の微動回転
方向への回動を許容する許容孔に、柔軟性を有し
てその許容孔を覆うカバー部材をもうけ、このカ
バー部材には、その中央部に開口部を形成し、そ
の周辺部にその許容孔の周壁に固着される固着部
を形成し、その緊締ネジのネジ軸をその開口部に
嵌合させたところにある。(Means for Solving the Problems) The structural feature of the shaft minute rotation device for a surveying instrument according to the present invention to achieve the above object is that it is formed in the casing of the surveying instrument so that the screw during minute rotation is A cover member that is flexible and covers the permissible hole is provided in the permissible hole that allows rotation in the fine rotational direction of the shaft, and this cover member has an opening formed in the center and a cover member that covers the permissible hole. A fixing portion is formed in the opening to be fixed to the peripheral wall of the permissible hole, and the screw shaft of the tightening screw is fitted into the opening.
（実施例）
以下に、本考案に係る測量機の軸微少回転装置
の実施例を図面を参照しつつ説明する。(Example) Hereinafter, an example of the shaft minute rotation device for a surveying instrument according to the present invention will be described with reference to the drawings.
第１図は、本考案に係る測量機の軸微少回転装
置の第１実施例を説明するためのものであつて、
この第１実施例は、本考案に係る測量機の軸微少
回転装置をトランシツトの望遠鏡の回転軸として
の耳軸（水平軸ともいう）に適用した例を示して
いる。 FIG. 1 is for explaining a first embodiment of a shaft minute rotation device for a surveying instrument according to the present invention.
This first embodiment shows an example in which the shaft minute rotation device of a surveying instrument according to the present invention is applied to an ear axis (also called a horizontal axis) as a rotation axis of a transit telescope.
第１図において、２０は耳軸である。この耳軸
２０は、図示を略す軸受に軸心Ｏの回りに回動自
在に軸支されている。この耳軸２０には、緊締環
２１がわずかなクリアランスをもつて回動自在に
嵌挿されている。この緊締環２１には、微動部ア
ーム２２と緊締部アーム２３とが設けられてい
る。微動部アーム２２には、ピン２６が植設され
ている。測量機の筺体１０には、ピン２７が植設
されている。ピン２６とピン２７とには、バネ２
８が掛け渡され、バネ２８は、常時、緊締環２１
を時計回り方向に回動させるように作用する。こ
の微動部アーム２２の先端部には切欠き部２９が
形成されている。 In FIG. 1, 20 is the ear axis. This ear shaft 20 is rotatably supported around an axis O by a bearing (not shown). A tightening ring 21 is rotatably fitted into the ear shaft 20 with a slight clearance. This tightening ring 21 is provided with a fine movement part arm 22 and a tightening part arm 23. A pin 26 is implanted in the fine movement arm 22 . A pin 27 is implanted in the housing 10 of the surveying instrument. Spring 2 is attached to pin 26 and pin 27.
8 is stretched across the spring 28, and the spring 28 is always attached to the tightening ring 21.
It acts to rotate the clockwise direction. A notch 29 is formed at the tip of the fine movement arm 22 .
測量機の筺体１０には、微動ネジ３０が設けら
れている。この微動ネジ３０は、微動軸３１と送
り軸３２とから大略構成されている。この送り軸
３２には雌ネジ３４が形成され、この雌ネジ３４
に微動軸３１の雄ネジ３３が螺合されている。微
動軸３１の先端部３５は、緊締環２１の微動部ア
ーム２２の切欠き部２９に当接されている。この
微動軸３１は、その微動ハンドル３６を回転させ
ることによつて進退され、緊締環２１を軸心Ｏの
回りに微動回転させるものである。 A fine adjustment screw 30 is provided in the housing 10 of the surveying instrument. The fine adjustment screw 30 is roughly composed of a fine adjustment shaft 31 and a feed shaft 32. A female thread 34 is formed on this feed shaft 32, and this female thread 34
A male screw 33 of a fine movement shaft 31 is screwed into the holder. The tip 35 of the fine movement shaft 31 is in contact with the notch 29 of the fine movement arm 22 of the tightening ring 21 . The fine movement shaft 31 is moved forward and backward by rotating the fine movement handle 36, and finely rotates the tightening ring 21 around the axis O.
緊締環２１の緊締部アーム２３には、雌ネジ２
５が形成されている。この雌ネジ２５には、緊締
ネジ１３のネジ軸１４に形成された雄ネジ１３０
が螺合されている。そのネジ軸１４は、筺体１０
の許容孔１１を貫通している。その緊締ネジ１３
は、緊締ハンドル１３２を回転させることによつ
て進退されるものである。緊締部アーム２３に
は、収納部２４が形成され、この収納部２４には
３個の円柱駒１３１が収納されている。緊締ネジ
１３のネジ軸１４は、その先端部１４５が収納部
２４に臨んでおり、緊締ネジ１３を回転させて収
納部２４に向かつて進出させると、その先端部１
４５が円柱駒１３１に当接して、この円柱駒１３
１が耳軸２０の外周面に押し付けられ、これによ
つて、緊締環２１が耳軸２０に緊締されるもので
ある。この緊締環２１が緊締された状態で、微動
ネジ３０を操作すると緊締環２１が回転されて、
耳軸２０が微少回転されるものである。 The tightening part arm 23 of the tightening ring 21 has a female screw 2.
5 is formed. This female screw 25 has a male screw 130 formed on the screw shaft 14 of the tightening screw 13.
are screwed together. The screw shaft 14 is connected to the housing 10
It passes through the permissible hole 11 of. The tightening screw 13
is moved forward and backward by rotating the tightening handle 132. A storage part 24 is formed in the tightening part arm 23, and three cylindrical pieces 131 are stored in this storage part 24. The tip 145 of the screw shaft 14 of the tightening screw 13 faces the storage section 24, and when the tightening screw 13 is rotated and advanced toward the storage section 24, the tip 145 faces the storage section 24.
45 comes into contact with the cylindrical piece 131, and this cylindrical piece 13
1 is pressed against the outer peripheral surface of the ear shaft 20, thereby tightening the tightening ring 21 to the ear shaft 20. When the fine adjustment screw 30 is operated with the tightening ring 21 being tightened, the tightening ring 21 is rotated.
The ear shaft 20 is slightly rotated.
筺体１０の許容孔１１の部分を構成する周壁に
は、段部１０１が設けられている。許容孔１１に
は、その許容孔１１を覆うカバー部材４０が設け
られている。このカバー部材４０は柔軟性を有し
ている。カバー部材４０には、その周辺部に段部
１０１に接着剤によつて固着される固着部４２が
形成され、その中央部に厚肉の開口部４１が形成
されている。この開口部４１と固着部４２との間
は、防塵用の薄肉の防塵板部４３となつている。
その開口部４１には、緊締ネジ１３のネジ軸１４
が回動自在ではあるが略密着するようにして嵌合
されるものである。 A stepped portion 101 is provided on the peripheral wall of the housing 10 that constitutes the permissible hole 11 . The allowable hole 11 is provided with a cover member 40 that covers the allowable hole 11 . This cover member 40 has flexibility. The cover member 40 has a fixing part 42 fixed to the step part 101 with an adhesive on its periphery, and a thick opening 41 in the center thereof. Between the opening 41 and the fixed portion 42 is a thin dustproof plate 43 for dustproofing.
The opening 41 has a threaded shaft 14 of the tightening screw 13.
Although they are rotatable, they are fitted in a substantially intimate manner.
この実施例によれば、緊締環２１の回動に伴つ
て、ネジ軸１４が微動回転方向（図中、矢印Ｆ方
向）に移動したとしても、カバー部材４０によつ
て許容孔１１が覆われているため、筺体１０の中
にごみ、ほこり、雨滴等の進入するのを防止でき
る。 According to this embodiment, even if the screw shaft 14 moves in the direction of slight rotation (in the direction of arrow F in the figure) as the tightening ring 21 rotates, the cover member 40 will not cover the allowable hole 11. Therefore, it is possible to prevent dirt, dust, raindrops, etc. from entering the housing 10.
なお、緊締軸１３のネジ軸１４は緊締環２１の
耳軸２０への緊締、非緊締のみを司るため、その
送り量が少なくてもよく、したがつて、その回転
量が小さくてもよいことから、カバー部材４０の
弾力性を大きくする工夫、防塵板部４３の面積に
十分な余裕をもたせる工夫をすることによつて、
緊締軸１４を開口部４１に回転不能に密着させ
て、開口部４１をねじれさせつつネジ軸１４を回
転させる構成とすることもできる。 Note that since the threaded shaft 14 of the tightening shaft 13 only controls the tightening and untightening of the ear shaft 20 of the tightening ring 21, its feed amount may be small, and therefore its rotation amount may be small. Therefore, by increasing the elasticity of the cover member 40 and providing a sufficient area for the dustproof plate portion 43,
It is also possible to have a structure in which the tightening shaft 14 is brought into non-rotatable contact with the opening 41 and the threaded shaft 14 is rotated while the opening 41 is twisted.
第２図は、本考案に係る測量機の軸微少回転装
置の第２の実施例を示すもので、固着部４２に環
状リング部５０を形成し、この環状リング部５０
に嵌合溝５１を形成して、その嵌合溝５１を許容
孔１１の周壁に嵌合させて、そのカバー部材４０
を筺体１０に固着させる構成としたものである。
この実施例によれば、前記実施例に較べてカバー
部材４０の筺体１０への取付けがより一層容易と
なる。 FIG. 2 shows a second embodiment of the shaft minute rotation device for a surveying instrument according to the present invention, in which an annular ring portion 50 is formed in the fixed portion 42, and this annular ring portion 50
A fitting groove 51 is formed in the cover member 40 , and the fitting groove 51 is fitted into the peripheral wall of the allowance hole 11 .
is configured to be fixed to the housing 10.
According to this embodiment, attachment of the cover member 40 to the housing 10 becomes easier than in the previous embodiment.
（考案の効果）
本考案に係る測量機の軸微少回転装置は、以上
説明したように、許容孔をカバー部材で覆う構成
を採用することと致しましたので、部品点数の削
減を図りつつかつ機械的に複雑な構造を採用する
ことなく防塵効果の向上を期待できる。カバー部
材に柔軟性を有するものを採用する構造と致しま
したので、カバー部材を用いてごみ、ほこり、塵
埃、雨滴等の侵入を防止する構成とした場合であ
つても、緊締ネジの操作性の低下を防止できる効
果をも泰する。(Effects of the invention) As explained above, the shaft minute rotation device of the surveying instrument according to the invention adopts a structure in which the permissible hole is covered with a cover member, so that it is possible to reduce the number of parts and at the same time It can be expected to improve the dustproofing effect without adopting a mechanically complex structure. The structure uses a flexible cover member, so even if the cover member is used to prevent dirt, dust, dust, raindrops, etc. from entering, the tightening screws will not operate easily. It also has the effect of preventing a decline in
第１図は本考案に係る測量機の軸微少回転装置
の要部構成を示す図、第２図は本考案に係る測量
機の軸微少回転装置のカバー部材の他の実施例を
示す図、第３図は従来の測量機の軸微少回転装置
の許容孔部分の構造を示す断面図である。
１０……筺体、１１……許容孔、２０……耳軸
（回転軸）、２１……緊締環、１３……緊締ネジ、
１４……ネジ軸、２０……耳軸（回転軸）、２１
……緊締環、３０……微動ネジ、４０……カバー
部材、４１……開口部、４２……固着部。
FIG. 1 is a diagram showing the main part configuration of the shaft minute rotation device for a surveying instrument according to the present invention, and FIG. 2 is a diagram showing another embodiment of the cover member of the shaft minute rotation device for a surveying instrument according to the present invention. FIG. 3 is a sectional view showing the structure of a permissible hole portion of a shaft minute rotation device of a conventional surveying instrument. 10...Housing, 11...Permissible hole, 20...Ear shaft (rotation shaft), 21...Tightening ring, 13...Tightening screw,
14...Screw shaft, 20...Ear shaft (rotation shaft), 21
... Tightening ring, 30 ... Fine adjustment screw, 40 ... Cover member, 41 ... Opening, 42 ... Fixed portion.
Claims (1)
環を前記回転軸に緊締する緊締ネジと、前記回転
軸に緊締された前記緊締環を微少回転させて前記
回転軸を微動回転させる微動ネジと、前記測量機
の筺体に形成されかつ前記緊締ネジのネジ軸が挿
通されて前記回転軸の微動回転時に前記緊締ネジ
のネジ軸がその微動回転方向に回動するのを許容
する許容孔とを有する測量機の軸微少回転装置に
おいて、 前記許容孔には、柔軟性を有して前記許容孔を
覆うカバー部材が設けられ、該カバー部材には、
その中央部に開口部が形成され、その周辺部には
前記許容孔の周壁に固着される固定部が形成さ
れ、前記緊締ネジはそのネジ軸が前記開口部に嵌
合されていることを特徴とする測量機の軸微少回
転装置。[Claims for Utility Model Registration] A tightening ring fitted onto a rotating shaft of a surveying instrument, a tightening screw tightening the tightening ring to the rotating shaft, and a slight rotation of the tightening ring tightened to the rotating shaft. a fine adjustment screw that finely rotates the rotating shaft; and a fine screw that is formed on the housing of the surveying instrument, through which the screw shaft of the tightening screw is inserted, so that when the rotating shaft is slightly rotated, the screw shaft of the tightening screw moves in the direction of the fine rotation. In a shaft micro-rotation device for a surveying instrument having a permissible hole that allows rotation, the permissible hole is provided with a cover member that has flexibility and covers the permissible hole, and the cover member includes:
An opening is formed in the center thereof, a fixing part fixed to the peripheral wall of the permissible hole is formed in the periphery of the opening, and the screw shaft of the tightening screw is fitted into the opening. A small rotation device for the shaft of a surveying instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986014841U JPH0412417Y2 (en) | 1986-02-04 | 1986-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986014841U JPH0412417Y2 (en) | 1986-02-04 | 1986-02-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62126717U JPS62126717U (en) | 1987-08-11 |
| JPH0412417Y2 true JPH0412417Y2 (en) | 1992-03-25 |
Family
ID=30805209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986014841U Expired JPH0412417Y2 (en) | 1986-02-04 | 1986-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412417Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549796U (en) * | 1977-06-21 | 1979-01-22 | ||
| JPS5919430U (en) * | 1982-07-30 | 1984-02-06 | 日本プラスト株式会社 | Shift lever boots for vehicles |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237382Y2 (en) * | 1973-07-19 | 1977-08-25 | ||
| JPS53129352U (en) * | 1977-03-22 | 1978-10-14 | ||
| JPS5666571U (en) * | 1979-10-27 | 1981-06-03 | ||
| JPS57118432U (en) * | 1981-01-12 | 1982-07-22 | ||
| JPS60135267U (en) * | 1984-02-21 | 1985-09-09 | 日本プラスト株式会社 | column cover |
-
1986
- 1986-02-04 JP JP1986014841U patent/JPH0412417Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549796U (en) * | 1977-06-21 | 1979-01-22 | ||
| JPS5919430U (en) * | 1982-07-30 | 1984-02-06 | 日本プラスト株式会社 | Shift lever boots for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62126717U (en) | 1987-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4901014A (en) | Elastic bearing arrangement for rotational signal generator | |
| JP3104385B2 (en) | Coarse / fine movement device of surveying instrument | |
| JPH0412417Y2 (en) | ||
| JP3104386B2 (en) | Surveying instrument | |
| JPH0725619Y2 (en) | Surveying instrument | |
| JPH07883Y2 (en) | Dustproof and waterproof cover of surveying instrument | |
| JPH0324886Y2 (en) | ||
| JP2526365Y2 (en) | Photodiode support for optical pickup | |
| JP3563249B2 (en) | Camera barrel dustproof cover device | |
| JP2503367Y2 (en) | Lens mount mechanism | |
| JPH0318980Y2 (en) | ||
| US20230071481A1 (en) | Optical apparatus and image pickup apparatus | |
| JPH0328622Y2 (en) | ||
| JPH0249531Y2 (en) | ||
| JP2799016B2 (en) | Image sensor position adjustment device | |
| JPH0435952Y2 (en) | ||
| JPH0648570Y2 (en) | Optical pickup feeder | |
| JPH0435949Y2 (en) | ||
| JPH0435876Y2 (en) | ||
| JP2551547Y2 (en) | Rotary body support device | |
| JPS6346952Y2 (en) | ||
| JP2556279Y2 (en) | Direct-acting position sensor | |
| JPH11337800A (en) | Lens barrel | |
| JP2676976B2 (en) | Earth brush | |
| JPH0212627Y2 (en) |