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    • 1. 发明专利
    • Pressure reducing valve and seat surface forming method for valve element
    • 减压阀和阀座表面形成阀门元件的方法
    • JP2011158052A
    • 2011-08-18
    • JP2010021560
    • 2010-02-02
    • Keihin Corp株式会社ケーヒン
    • SAITO YOSHIOISHIHARA KEI
    • F16K31/126F16K1/32F16K17/30G05D16/00
    • G05D16/0666
    • PROBLEM TO BE SOLVED: To provide a pressure reducing valve structured so that one end of its valve stem is coupled with a pressure receiving member operating in accordance with the pressure in a decompression chamber and a valve element having a seat surface capable of seating a valve hole leading to the decompression chamber on a valve seat opened in the central part is fixed to the axial direction middle part of the valve stem in such a way as accommodated in the valve chest and to provide a method to reduce the processing cost of the valve element made on synthetic resin.
      SOLUTION: The valve element 26 is furnished with a center hole 30 coaxially, and the valve stem 25A is formed from a first shaft member 31 having an insert shaft 33 coaxially and a second shaft member 32 having coaxially a bottomed insert hole 34 in which the insert shaft 33 is fitted by pressure or by threads, in such an arrangement that the two shaft members 31 and 32 are coupled together coaxially while at least one of them 31/32 is inserted through the center hole 30, wherein the valve element 26 is fixed to the valve stem 25A in such a manner as pinched from the two sides about the axial direction by a first and second fastening projections 35, 36 each having an outer periphery of a greater diameter than the center hole 30 and provided on the first and second shaft members 31, 32 in such a way as protruding outward in the radial direction.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种减压阀,其构造成使得其阀杆的一端与根据减压室中的压力操作的受压部件和具有能够 将通向中心部分开口的阀座上的减压室的阀孔安置在阀杆的轴向中间部分上,并以提供一种降低加工成本的方法 的阀芯由合成树脂制成。 阀元件26同轴地设置有中心孔30,阀杆25A由同轴的插入轴33的第一轴构件31和具有同轴的底部插入孔34的第二轴构件32形成 其中插入轴33通过压力或螺纹装配在一起,使得两个轴构件31和32同轴地联接在一起,同时其中至少一个31/32通过中心孔30插入,其中阀 元件26以这样的方式固定到阀杆25A上,即通过第一和第二紧固突起35,36从两侧围绕轴向方向夹紧,每个紧固突起35,36具有比中心孔30更大的直径的外周,并且设置在 第一和第二轴构件31,32以径向向外突出的方式。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Decompression valve
    • 解压阀
    • JP2010237863A
    • 2010-10-21
    • JP2009083510
    • 2009-03-30
    • Keihin Corp株式会社ケーヒン
    • YAMAMOTO HIROAKI
    • G05D16/06F16K17/30
    • F16K1/36F16K17/30F16K27/02G05D16/0658G05D16/0666Y10T137/7794Y10T137/7797Y10T137/7801Y10T137/7821Y10T137/7823Y10T137/7825Y10T137/7826
    • PROBLEM TO BE SOLVED: To reduce cost, by decreasing the number of sealing members for sealing between a valve chest and a decompression chamber in a pressure reducing valve in which the valve mechanism with the valve element fitted in the perimeter of the valve shaft is accommodated, in a body having the valve element, capable of sitting on a valve seat facing the valve chamber where high-pressure fluid is introduced, and the valve shaft with one end connected to the pressure receiving and moving member interlocked with the pressure of the decompression chamber leading to the valve port surrounded by the valve seats, and penetrating the valve port, making the other end face a back pressure chamber lead to the decompression chamber. SOLUTION: In the perimeter of a valve shaft 35, by making circulation of the fluid between a valve chest 32 and a back pressure chamber 65 allowed with the valve shaft 35, a valve element 36 is fitted. By making the axial directional movement of the valve shaft 35 guided, between the perimeters of guide member 30 fixed to a body 16, and the valve element 36, an annular sealing member 46, interposed between the valve chest 32 and the back pressure chamber 65, is arranged. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题为了降低成本,通过减少减压阀中的阀室和减压室之间的密封用密封件的数量,其中阀体装配在阀周边的阀体 轴容纳在具有阀元件的主体中,能够坐在面向阀室的阀座上,其中引入高压流体,并且一端连接到压力接收和移动构件的阀轴与压力互锁 所述减压室通向由所述阀座包围的所述阀口,并且穿透所述阀口,使得另一端面朝向所述减压室的背压室。 解决方案:在阀轴35的周边中,通过使阀体32和与阀轴35之间允许的背压室65之间的流体循环,安装阀元件36。 通过使阀轴35的轴向定向运动在固定到主体16的引导构件30的周边与阀元件36之间被引导,设置在阀室32和背压室65之间的环形密封构件46 ,被安排。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Valve structure for fluid pressure device
    • 流体压力装置的阀结构
    • JP2011192159A
    • 2011-09-29
    • JP2010059403
    • 2010-03-16
    • Smc CorpSmc株式会社
    • ITO SHINICHIHANADA MICHIHIRO
    • G05D16/06
    • F16K1/46F16K17/044G05D16/0666Y10T137/7793
    • PROBLEM TO BE SOLVED: To provide a valve structure for a fluid pressure device, which secures stable sealing performance and improves manufacturing performance and durability. SOLUTION: A valve element 50 constituting a pressure reducing valve 10 includes a first housing 58 provided to be continued to a stem 48, a second housing 60 provided at the outer periphery side of the first housing 58, and a packing 62 provided between the first housing 58 and the second housing 60. The packing 62 is fixed by being installed and held between a tapered portion 66 of the first housing 58 and an outer wall 74 of the second housing 60. A first cylindrical portion 64 of the first housing 58 is inserted into a second cylindrical portion 70 of the second housing 60, and integrally fixed thereto, for example, by welding, adhesion or the like. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于流体压力装置的阀结构,其确保了稳定的密封性能并且改善了制造性能和耐久性。 构成减压阀10的阀元件50包括设置成连续到杆48的第一壳体58,设置在第一壳体58的外周侧的第二壳体60和设置在第一壳体58的外周侧的第二壳体60 在第一壳体58和第二壳体60之间。密封件62通过安装并保持在第一壳体58的锥形部分66和第二壳体60的外壁74之间被固定。第一壳体58的第一圆柱形部分64 壳体58插入到第二壳体60的第二圆筒部70中,例如通过焊接,粘接等一体地固定在壳体58上。 版权所有(C)2011,JPO&INPIT