One-way throttle valve

单向节流阀

Abstract

本实用新型公开了一种单向节流阀,属于液压保护元件;旨在提供一种结构简单、压力调节方便的节流阀。它由设有阀腔的阀体、设在所述阀腔中的阀芯构成;阀体(7)上设有与阀腔(10)连通的进油口(8)和出油口(9),所述阀芯由固定在阀体(7)上将阀腔(10)封闭的堵头(3)、设在阀腔(10)中呈套状结构的活门(6)、设在堵头(3)与该活门之间的弹簧(4)、固定在堵头(3)上伸入阀腔(10)中与活门(6)配合的调节螺杆(2)构成,活门(6)上设有与阀腔(10)连通的油孔(5)。本实用新型具有结构简单、压力调节方便等优点;可用于液压系统中对管路压力进行控制。
The utility model discloses a one-way throttle valve, belongs to a hydraulic protective element, and aims to provide a throttle valve which has a simple structure and conveniently adjusts pressure. The throttle valve consists of a valve body with a valve cavity, and a valve core arranged in the valve cavity, wherein an oil inlet (8) and an oil outlet (9) which are communicated with the valve cavity (10) are formed on the valve body (7); the valve core consists of a plug (3) which is fixed on the valve body (7) and seals the valve cavity (10), a valve (6) which is arranged in the valve cavity (10) and has a sleeve structure, a spring (4) arranged between the plug (3) and the valve, and an adjusting screw rod (2) which is fixed on the plug (3), stretches into the valve cavity (10) and is matched with the valve (6); and an oil hole (5) communicated with the valve cavity (10) is formed in the valve (6). The throttle valve has the advantages that the throttle valve has a simple structure, conveniently adjusts the pressure, and the like; and the throttle valve can be used for controlling the pressure of a pipeline in a hydraulic system.

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