PRESSURE BUFFER DEVICE

• Main Author: KONAKAI MASAYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 27.12.2018
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; SHOCK-ABSORBERS; SPRINGS; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

To perform replacement of components of a damping force variable mechanism at low costs in a pressure buffer device.SOLUTION: A pressure buffer device 1 includes: a cylinder part which houses an oil (a fluid); a valve part 53 which has a valve movably provided and applies resistance to the oil to generate damping force; a coil unit 51 which has a coil for generating magnetic force and moves the valve by the magnetic force; a body housing part 52 which holds the coil unit 51; a fixing ring 54 which is provided between the coil unit 51 and the body housing part 52 and hooks on the coil unit 51 and the body housing part 52 to fix the coil unit 51 to the body housing part 52; and an operation opening part 513H which enables operation to be conducted to the fixing ring 54 in a state where the coil unit 51 and the body housing part 52 are connected.SELECTED DRAWING: Figure 2 【課題】圧力緩衝装置において減衰力可変機構の部品の交換を安価に行う。【解決手段】油圧緩衝装置１は、オイル（流体）を収容するシリンダ部と、移動可能に設けられるバルブを有してオイルに抵抗を与えて減衰力を発生させるバルブ部５３と、磁力を発生させるコイルを有し、磁力によってバルブを移動させるコイルユニット５１と、コイルユニット５１を保持する本体ハウジング部５２と、コイルユニット５１と本体ハウジング部５２との間に設けられ、コイルユニット５１および本体ハウジング部５２に掛かることで、本体ハウジング部５２にコイルユニット５１を固定する固定リング５４と、コイルユニット５１と本体ハウジング部５２とが接続した状態にて、固定リング５４に対する操作を可能にする操作開口部５１３Ｈとを備える。【選択図】図２