JP2012032232A5 - - Google Patents

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Publication number
JP2012032232A5
JP2012032232A5 JP2010170866A JP2010170866A JP2012032232A5 JP 2012032232 A5 JP2012032232 A5 JP 2012032232A5 JP 2010170866 A JP2010170866 A JP 2010170866A JP 2010170866 A JP2010170866 A JP 2010170866A JP 2012032232 A5 JP2012032232 A5 JP 2012032232A5
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Japan
Prior art keywords
cover
center
rotation
gas spring
opening
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JP2010170866A
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Japanese (ja)
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JP5434841B2 (en
JP2012032232A (en
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Priority to JP2010170866A priority Critical patent/JP5434841B2/en
Priority claimed from JP2010170866A external-priority patent/JP5434841B2/en
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Publication of JP2012032232A5 publication Critical patent/JP2012032232A5/ja
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Description

前記ガススプリングの基端部は前記回転中心の直下位置に、先端部は前記カバーの回転中心を基点として重心位置とを結ぶ半直線上の位置に、それぞれ固定することが望ましい。これにより、前記カバーの重心位置が前記回転中心の直上にあるときを中心として、前記ガススプリングトルク値は開閉カバーの開閉角に対して対称に変化する。これにより、ガススプリングの仕様の選定、ガススプリングの基端部、先端部固定位置等の設定に係る計算を容易に行うことができ、また、これらのパラメータの許容範囲を広げることができる。さらに、前記回転中心から、ガススプリングの基端部、先端部の固定位置への距離を同一に設定すれば、より一層容易に上記の設定に係る計算を行うことができる。 The proximal end of the gas spring to the position directly below the center of rotation, the tip position of the half line connecting the centroid position as a base point to the center of rotation of the front hear bar, it is desirable to fix respectively. As a result, the gas spring torque value changes symmetrically with respect to the opening / closing angle of the opening / closing cover, with the center of gravity of the cover being directly above the rotation center. As a result, the calculation related to the selection of the specifications of the gas spring, the setting of the base end of the gas spring, the fixed position of the tip, etc. can be easily performed, and the allowable range of these parameters can be expanded. Furthermore, if the distances from the center of rotation to the base end portion and the fixed position of the tip end of the gas spring are set to be the same, the calculation related to the above setting can be performed more easily.

本発明に係る分析装置のカバー開閉機構は更に、
c) 前記基端部固定位置を変化させる機構
を備えてもよい。
この構成によれば、経時変化等によりガススプリングの弾性反力特性や静止摩擦特性が変化した場合に、前記ガススプリングの基端部固定位置を変更することにより、前記カバートルク値と、前記ガススプリングの弾性反力特性により生じる前記回転軸周りのガススプリングトルク値との合計値が、前記ガススプリングの伸縮の双方向の外力に対する前記回転軸周りの前記ガススプリングの静摩擦力から求められる静止トルク値の範囲内である状態が維持されるように、ガススプリングの基端部の固定位置を再調整することが可能である。
The cover opening / closing mechanism of the analyzer according to the present invention further includes:
c) it may comprise a mechanism for changing the base end portion fixed position.
According to this configuration, when the elastic reaction force characteristic or the static friction characteristic of the gas spring changes due to changes over time, the cover torque value and the gas are changed by changing the base end fixing position of the gas spring. The static torque obtained from the static friction force of the gas spring around the rotating shaft against the external force in both directions of expansion and contraction of the gas spring is the total value of the gas spring torque value around the rotating shaft generated by the elastic reaction force characteristic of the spring It is possible to readjust the fixing position of the base end portion of the gas spring so that the state within the range of the value is maintained.

Claims (5)

a) 分析装置の筐体の開口部を覆い、水平方向の回転軸を中心とする回転により該開口部を開閉するカバーと、
b) 基端部が前記筐体に、先端部が前記カバーに取り付けられ、伸縮に対して所定の弾性反力特性を有し、伸縮の双方向の外力に対して所定の静摩擦力を有するガススプリングと、を備え、
前記回転軸に垂直な面において、
前記カバーの回転中心と前記カバーの全閉位置における重心位置を通る直線と、前記回転中心と前記カバーの全開位置における重心位置を通る直線と、により挟まれる領域のうち、前記回転中心の直下位置を含む領域内に前記ガススプリングの基端部固定位置を有し、 前記回転中心を基点とし、前記カバーの重心位置を通る半直線の略直線上に前記ガススプリングの先端部固定位置を有するものであり、
前記カバーの回転に伴って変化する、カバーの自重に起因して生じる前記回転軸周りのカバートルク値と、前記ガススプリングの弾性反力により生じる前記回転軸周りのガススプリングトルク値との合計値が、前記ガススプリングの伸縮の双方向の外力に対する前記ガススプリングの静摩擦力から求められる前記回転軸周りの静止トルク値の範囲内となるように設定されている
ことを特徴とする分析装置のカバー開閉機構。
a) a cover that covers the opening of the housing of the analyzer and opens and closes the opening by rotation about a horizontal rotation axis;
b) A gas having a base end portion attached to the casing and a tip end portion attached to the cover, having a predetermined elastic reaction force characteristic against expansion and contraction, and a predetermined static frictional force against bidirectional external force of expansion and contraction A spring, and
In a plane perpendicular to the rotation axis,
A position directly below the rotation center in a region sandwiched between the rotation center of the cover and a straight line passing through the center of gravity at the fully closed position of the cover and a straight line passing through the center of gravity at the fully open position of the cover. The gas spring has a base end fixing position, and the gas spring has a tip fixing position on a substantially straight line passing through the center of gravity of the cover and passing through the center of gravity of the cover. And
The total value of the cover torque value around the rotation axis caused by the weight of the cover and the gas spring torque value around the rotation axis caused by the elastic reaction force of the gas spring, which changes with the rotation of the cover. Is set so as to be within a range of a static torque value around the rotation axis obtained from a static friction force of the gas spring with respect to a bi-directional external force of expansion and contraction of the gas spring. Opening and closing mechanism.
更に、
c) 前記基端部固定位置を変化させる機構、
を備えることを特徴とする、請求項1に記載の分析装置のカバー開閉機構。
Furthermore,
c) mechanism for changing the base end portion fixed position,
The cover opening / closing mechanism of the analyzer according to claim 1, comprising:
更に、
d) 前記先端部固定位置を変化させる機構、
を備えることを特徴とする、請求項1又は2に記載の分析装置のカバー開閉機構。
Furthermore,
d) mechanism for changing the tip fixed position,
The cover opening / closing mechanism of the analyzer according to claim 1 or 2, further comprising:
更に、
e) 前記カバーの回転に対する静摩擦力を生じさせる静止補助機構、
を備えることを特徴とする、請求項1から3のいずれかに記載の分析装置のカバー開閉機構。
Furthermore,
e) a stationary auxiliary mechanism causing static friction force against the rotation of the front hear bar,
The cover opening / closing mechanism of the analyzer according to any one of claims 1 to 3, further comprising:
記基部固定位置が、前記カバーの回転中心を通る鉛直線上の下方位置であることを特徴とする、請求項1から4のいずれかに記載の分析装置のカバー開閉機構。 Before Kimoto end fixed position, before and wherein the hear a lower position on the vertical line passing through the center of rotation of the bar, the cover opening and closing mechanism of the analyzer according to any one of claims 1 to 4.
JP2010170866A 2010-07-29 2010-07-29 Analysis device cover opening and closing mechanism Active JP5434841B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010170866A JP5434841B2 (en) 2010-07-29 2010-07-29 Analysis device cover opening and closing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010170866A JP5434841B2 (en) 2010-07-29 2010-07-29 Analysis device cover opening and closing mechanism

Publications (3)

Publication Number Publication Date
JP2012032232A JP2012032232A (en) 2012-02-16
JP2012032232A5 true JP2012032232A5 (en) 2012-11-08
JP5434841B2 JP5434841B2 (en) 2014-03-05

Family

ID=45845825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010170866A Active JP5434841B2 (en) 2010-07-29 2010-07-29 Analysis device cover opening and closing mechanism

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5912845B2 (en) * 2012-05-18 2016-04-27 株式会社イトーキ Gas cylinder quality inspection device and quality inspection method
JP7389719B2 (en) * 2020-07-09 2023-11-30 株式会社日立ハイテク Opening/closing lid device and automatic analysis device equipped with the same

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