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    • 41. 发明授权
    • High profile electrical connector
    • 高性能电连接器
    • US06863569B2
    • 2005-03-08
    • US10631566
    • 2003-07-30
    • ZiQiang ZhuJinkui HuGuohua Zhang
    • ZiQiang ZhuJinkui HuGuohua Zhang
    • H01R12/16H01R12/20H01R13/658H01R13/648
    • H01R13/6582
    • An electrical connector (1) includes a dielectric housing (12), a terminal subassembly (90), an inner shield (60) and an outer shield (70). The dielectric housing (12) includes a supporting portion (120) and a mating portion (138) defining a receiving space (124) above the supporting portion. The terminal subassembly includes first and second terminal modules (40, 80). The first and the second terminal modules respectively include first and second dielectric bodies (14, 16) retained in the receiving space and a number of first and second terminals (20, 30) received in the first and the second dielectric bodies. The first and the second dielectric bodies extend beyond the mating portion (138). The inner shield encloses the first and the second dielectric bodies and defines a first engaging space (2). The outer shield encircles the inner shield. The outer shield and the inner shield define a second engaging space (3) therebetween.
    • 电连接器(1)包括绝缘壳体(12),端子子组件(90),内屏蔽件(60)和外屏蔽件(70)。 绝缘壳体(12)包括支撑部分(120)和限定在支撑部分上方的容纳空间(124)的配合部分(138)。 终端子组件包括第一和第二终端模块(40,80)。 第一和第二端子模块分别包括保持在接收空间中的第一和第二电介质体(14,16)和容纳在第一和第二电介质体中的多个第一和第二端子(20,30)。 第一和第二介电体延伸超过配合部分(138)。 内屏蔽封闭第一和第二电介质体并限定第一接合空间(2)。 外屏蔽环绕内屏蔽。 外屏蔽件和内屏蔽件在其间限定第二接合空间(3)。
    • 42. 发明授权
    • Card ejecting mechanism for an electronic card connector
    • 电子卡连接器的卡片排出机构
    • US06702599B2
    • 2004-03-09
    • US10138436
    • 2002-05-02
    • Jinkui HuZiQiang ZhuGuohua Zhang
    • Jinkui HuZiQiang ZhuGuohua Zhang
    • H01R1362
    • G06K13/0806G06K13/08H01R13/6335
    • An electronic card connector (1) includes a body portion (2) including a head section (20) with terminals (3) retained therein and a pair of guiding arms (22), an ejecting lever (5) pivotally mounted on the head section for ejecting an inserted card, and a push rod (4) for driving the ejecting lever. One of the guiding arms defines a guiding channel (225) and has a contacting portion (226). The push rod is moveably received in the guiding channel and has a spring tab (44) abutting against the contacting portion of the guiding arm when the push rod moves in a card inserting direction, or in a card ejecting direction. The friction generated by movement of the spring tab along the contacting portion allows an operator to feel a better sense of operation of the card ejecting mechanism.
    • 电子卡连接器(1)包括主体部分(2),其包括具有保持在其中的端子(3)的头部(20)和一对引导臂(22),弹性杆(5),枢转地安装在头部 用于弹出插入的卡,以及用于驱动弹出杆的推杆(4)。 导向臂中的一个限定了引导通道(225)并且具有接触部分(226)。 推杆可移动地容纳在引导通道中,并且当推杆沿卡插入方向或卡排出方向移动时,弹簧突片(44)抵靠引导臂的接触部分。 沿着接触部分的弹簧片的运动产生的摩擦使得操作者感觉到卡片弹出机构的更好的操作感。
    • 47. 发明申请
    • Sampling tools for powder
    • 粉末采样工具
    • US20110000322A1
    • 2011-01-06
    • US12735674
    • 2009-02-25
    • Yisheng ChenGuohua Zhang
    • Yisheng ChenGuohua Zhang
    • G01N1/12
    • G01N1/08
    • The present invention provides a powder sampling device having a rod and a member mounted on the rod. The rod has a first set of cavities, the first set of cavities having first cavity and a second cavity, the first cavity being positioned at generally the same axial location as the second cavity, the first cavity being circumferentially spaced from the second cavity such that the first cavity occupies a first radial position of the rod and the second cavity occupies a second radial position of the rod and the first radial position is different from the second radial position. The member is mounted to the rod and is moveable from an open position to collect a powder sample within the first cavity and the second cavity to a closed position to retain the powder sample in the first cavity and the second cavity.
    • 本发明提供了一种具有杆和安装在杆上的构件的粉末取样装置。 所述杆具有第一组空腔,所述第一组空腔具有第一空腔和第二空腔,所述第一空腔定位在与所述第二空腔大致相同的轴向位置处,所述第一空腔与所述第二空腔周向间隔开,使得 所述第一空腔占据所述杆的第一径向位置,并且所述第二空腔占据所述杆的第二径向位置,并且所述第一径向位置与所述第二径向位置不同。 该构件安装到杆上并且可以从打开位置移动,以将第一腔体内的粉末样品收集到第二空腔到关闭位置,以将粉末样品保持在第一空腔和第二空腔中。
    • 48. 发明申请
    • Limited free-motion pump impeller coupling device
    • 有限自由运动泵叶轮联轴器装置
    • US20080080987A1
    • 2008-04-03
    • US11905127
    • 2007-09-27
    • Guohua ZhangLai King Ho
    • Guohua ZhangLai King Ho
    • F16D3/02
    • F04D13/022F04D13/06F16D3/02F16D3/10F16D15/00H02K7/118
    • A limited free-motion coupling device 10 coupling an impeller 14 to a shaft 16 of a rotor 12, the coupling device 10 comprising first and second parts 20, 22 which are axially engaged for relative angular displacement about a rotational axis A, and two spherical coupling members 24 for engaging the first and second parts 20, 22 to prevent the said relative angular displacement. One of the first and second parts 20, 22 is provided on the shaft 16 of the rotor 12, and the other is provided on the impeller 14. The first part 20 comprises two spaced coupling member arms 30 which project radially. The second part 22 comprises a cylindrical wall 66 extending coaxially with the rotational axis A of the coupling device 10. Two spaced arcuate channels 50 are formed in the cylindrical wall 66. Each coupling member 24 is received in and projects radially from a respective arcuate channel 50, and is freely movable between end walls of the arcuate channel 50. As the first part 20, rotates relative to the second part 22, the coupling member arms 30 of the first part 20 engage and move the coupling members 24 along the respective arcuate channels 50 until the coupling members 24 abut the end walls of the arcuate channels 50, thus locking the first part 20 relative to the second part 22.
    • 将叶轮14联接到转子12的轴16上的有限的自由运动联接装置10,联接装置10包括第一和第二部分20,22,第一和第二部分20,22被轴向接合以围绕旋转轴线A进行相对角位移,以及两个球形 联接构件24用于接合第一和第二部分20,22以防止所述相对角位移。 第一和第二部分20,22中的一个设置在转子12的轴16上,另一个设置在叶轮14上。第一部分20包括径向突出的两个间隔开的联接构件臂30。 第二部分22包括与联接装置10的旋转轴线A同轴延伸的圆柱形壁66.两个间隔开的弧形通道50形成在圆柱形壁66中。每个联接构件24被容纳在相应弓形通道 50,并且可在弓形通道50的端壁之间自由移动。随着第一部分20相对于第二部分22旋转,第一部分20的联接构件臂30沿着相应的弧形部分接合和移动联接构件24 通道50直到联接构件24邻接弓形通道50的端壁,从而相对于第二部分22锁定第一部分20。
    • 49. 发明申请
    • Manufacturing Method of Semi-Finished Piston with Inner Cooling Channel through Liquid Extrusion Process
    • 通过液体挤出工艺制造内冷却通道的半成品活塞的制造方法
    • US20070079948A1
    • 2007-04-12
    • US11278746
    • 2006-04-05
    • Guohua ZhangXiao SunXiaobo GaoShibo ZhaoYanpeng LiuHongmin WangXuejun MaZengjian Feng
    • Guohua ZhangXiao SunXiaobo GaoShibo ZhaoYanpeng LiuHongmin WangXuejun MaZengjian Feng
    • B22D19/08B22C9/10
    • B22D19/0027B22C9/105B22C9/108B22D17/24
    • This invention has provided a manufacturing method of semi-finished piston with inner cooling channel through liquid extrusion process, including the following steps: a) produce a wear-resistant cast iron ring with coupling hooks and a common salt and corundum dissoluble core with convex edges; b) fix the wear-resistant cast iron ring in the casting moulds after being aluminized; c) fix the dissoluble core after being pre-heated on the wear-resistant cast iron ring with coupling hooks and convex edges; d) fill in the casting mould with aluminum alloy liquid, compressing and molding. The dissoluble core can be accurately fixed in the casting mould through coupling hooks and convex edges. When the semi-finished piston has been manufactured into finished product, it shall be characterized by high compactness and high mechanical property resulted from liquid extrusion technology. Meanwhile, because of the cooling channel, the temperature in the combustion chamber of the head and ring groove is reduced, the load capacity of the piston is greatly improved, and the manufacturability becomes better.
    • 本发明提供了一种通过液体挤出工艺制造具有内部冷却通道的半成品活塞的制造方法,其包括以下步骤:a)制造具有连接钩的耐磨铸铁环和具有凸缘的普通盐和刚玉可溶芯 ; b)镀铝后在铸模中固定耐磨铸铁环; c)在具有连接钩和凸边的耐磨铸铁环上预热后固定可溶性芯; d)用铝合金液体填充铸模,压缩成型。 可以通过连接钩和凸边缘将可溶性芯体精确地固定在铸模中。 当半成品活塞已经制成成品时,其特点是液体挤出技术产生的紧凑性和机械性能很高。 同时,由于冷却通道,头环和环槽的燃烧室中的温度降低,活塞的负载能力大大提高,制造性变好。
    • 50. 发明申请
    • Welding Forged Steel Single Piece Piston and Its Manufacturing Methods
    • 焊接锻钢单件活塞及其制造方法
    • US20070079775A1
    • 2007-04-12
    • US11278715
    • 2006-04-05
    • Fenghua LinXuejun MaGuohua ZhangHongmin WangJunkui ZhuLixia WangZhanyu GaoShushan Zhang
    • Fenghua LinXuejun MaGuohua ZhangHongmin WangJunkui ZhuLixia WangZhanyu GaoShushan Zhang
    • F02F3/00
    • F02F3/003
    • The present invention has provided a welding forged steel single piece piston and its manufacturing methods. A semi-finished head and a semi-finished skirt are forged respectively; the semi-finished head and semi-finished skirt are heat-treated respectively; rough machining is carried out respectively to the semi-finished head and the semi-finished skirt, and a face of weld between the two adjacent ring grooves is higher than the one under the combustion chamber; the head and the skirt are welded together through friction welding; an annular groove, a combustion chamber, a ring groove, a pinhole, an outer annulus and oil inlet/outlet holes are manufactured respectively; and the surface of the piston is phosphorized and graphitized. Compared with one-piece forged piston, it has better processing technology, because the head and skirt are forged respectively and then welded together. Over-all structural rigidity of the piston has been increased, and distortion of the ring groove in high temperature is slight because the cooling oil recess is sealed through welding. As the annular groove is located on the upper part of skirt, the weight of body of the piston is lowered and this kind of structure can accelerate engine oil returning on, decrease the clearance between the piston and the cylinder and reduce the engine oil consumption.
    • 本发明提供了一种焊接锻钢单片活塞及其制造方法。 分别锻造半成品头和半成品裙; 半成品头和半成品裙分别进行热处理; 分别对半成品头和半成品裙部进行粗加工,两个相邻环形槽之间的焊接面高于燃烧室下面的焊接面; 头部和裙部通过摩擦焊接焊接在一起; 分别制造环状槽,燃烧室,环槽,针孔,外环和油入口/出口孔; 并且活塞的表面被磷化并石墨化。 与单件锻造活塞相比,它具有更好的加工技术,因为头部和裙部分别锻造,然后焊接在一起。 增加了活塞的全部结构刚度,并且由于冷却油凹部通过焊接而密封,高温环形槽的变形很小。 当环形槽位于裙部上部时,活塞体的重量降低,这种结构可以加速发动机油的返回,减少活塞与气缸之间的间隙,减少发动机机油消耗。