Pressure gage

圧力計

Abstract

PROBLEM TO BE SOLVED: To provide a pressure gage which is designed to suppress the jolting of the adjustment handle within the free end of Bourdon tube and to protect the compressed air from leak by soldering the free end side of Bourdon tube to seal out. SOLUTION: In the pressure gage 10 indicating the pressure of the compressed air A by activating a needle 11 via a needle driving mechanism 20 with the displacement on the side of the free end 14b of the oval-shaped Bourdon tube 14 finished cylindrically and in arc by means of the compressed air A supplied from the fixed end 14a, the adjustment handle 15 to seal up the cylindrically shaped free end 14b of Bourdon tube 14 is equipped with the column-shaped coupled part 15a entering the cylinder-shaped free end 14b of Bourdon tube 14, while under the condition the column-shaped coupled part 15a of the adjustment handle 15 are inserted without any space within the cylinder-shaped free end 14b of Bourdon tube 14, the soldering 16 can complete sealing between the cylinder-shaped free end 14b of Bourdon tube 14 and the column-shaped coupled part 15a of the adjustment handle 15.
(57)【要約】 【課題】 ブルドン管の自由端内に対する調整桿のガタ 付きを抑え、ブルドン管の自由端側を半田付けで密封し て圧縮空気のエア漏れを防ぐ圧力計を提供する。 【解決手段】 固定端14a側から供給された圧縮空気 Aによる略楕円筒状で円弧状のブルドン管14の自由端 14b側の変位により、指針駆動機構20を介して指針 11を移動させて該圧縮空気Aの圧力を表示するように した圧力計10において、ブルドン管14の自由端14 b側を円筒状に形成し、かつ、このブルドン管14の円 筒状の自由端14bを密閉する調整桿15に、ブルドン 管14の円筒状の自由端14b内に入り込む円柱状の嵌 合部15aを設ける一方、ブルドン管14の円筒状の自 由端14b内に調整桿15の円柱状の嵌合部15aを隙 間なく嵌め込んだ状態で、ブルドン管14の円筒状の自 由端14bと調整桿15の円柱状の嵌合部15aの間を 半田付け16により密封した。

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