行业新闻

原文
DJF1 valve problems and improvements (1) accumulator leak Accumulator into the water, if water is found in air bubbles emerge accumulator leak, which the majority is caused by poor sealing inflation valve. D-JF1 valve pneumatic valve on the accumulator using a M8 socket screws, threaded portion along its length cut out of a plane, equipped with a gasket to seal combination, although this structure is simple but easy to leak, filling air sealing and inspection of gas pressure required special tools. (2) adjustment screw leakage D-JF1 valve is a poppet valve. As the structure and the reasons for making it difficult to shut and not leaking. , As amended, sealed with a steel ball, with good results. (3) Pistons limp stuck in the highest Compatible with the piston in the cylindrical hole of the upper guide kit, there are two holes, the inside burr after drilling, resulting in the piston guide sleeve in the area limp card, so that the output flow and pressure are low and can not meet the requirements . A better approach is the place to add a undercuts, to make the hole guide sleeve inside the upper two burr holes. (4) diameter of the guide sleeve O-ring easily cut bad The original design of the valve body and the guide sleeve O-ring seal is located in the hole in the valve body for ease of processing, are located in the guide sleeve, but no body orifice chamfer of 20 °, resulting in O-ring seal assembly ring easily cut bad.
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译文：
DJF1减压阀存在的问题及改进措施（1）蓄能器漏气蓄能器放进水中，若水中有气泡冒出即查出蓄能器漏气，这多数是充气阀密封不良所致。D-JF1减压阀蓄能器上充气阀采用一个M8内六角螺钉，在其螺纹部沿长削出一平面，配一组合密封垫圈来密封，这种结构虽简单却易漏气，充气密封和检查气体压力均需专用工具。（2）调节螺钉漏液 D-JF1减压阀是个锥阀。由于结构和制造的原因很难使其关死而不漏液。经修改后用一钢球密封，效果很好。（3）活塞蹩卡在最高位在与活塞外圆相配合的导向套内孔上部，有2个小孔，钻孔后内侧有毛刺，致使活塞导向套在该处蹩卡，使输出流量和压力均偏低而不能满足要求。较好的办法是将该处增加一退刀槽，去尽导向套孔内上部2个小孔内侧的毛刺。（4）导向套外径O形密封圈易切坏原设计阀体与导向套的密封是O形密封圈设在阀体内孔中，为便于加工，现设在导向套上，但阀体孔口没有20°的倒角，致使装配时O形密封圈易被切坏。

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