节流阀

Throttling valve

Abstract

The utility model provides an oil return speed can be slow down, weaken the impact, the throttling valve of abnormal sound is subductd, include from the outside time oil pipe who extends of oil tank to and the cover establishes the sleeve pipe on returning oil pipe, the sleeve pipe with return oil pipe inner chamber intercommunication and constitute the oil path that returns of intercommunication oil tank cavity room, sleeve pipe and the department of cup jointing of returning oil pipe be built -in to have a throttling valve, throttling valve sets up the blotter between the axial terminal surface that oil pipe closes on each other with returning, time oil pipe and blotter contact during the striking, have weakened the impact force greatly, subduct abnormal sound sound.
本实用新型提供了一种能够减缓回油速度、减弱冲击、消减异响的节流阀,包括自油箱向外延伸的回油管,以及套设在回油管上的套管,套管与回油管内腔连通并构成连通油箱腔室的回油通路,套管与回油管的套接处内置有节流阀,节流阀与回油管彼此临近的轴向端面之间设置缓冲垫,撞击时回油管与缓冲垫相接触,大大减弱了冲击力,消减异响声。

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