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    ROLLER SCREW
    1.
    发明公开
    ROLLER SCREW 审中-公开
    滚子螺丝

    公开(公告)号：EP1679454A1

    公开(公告)日：2006-07-12

    申请号：EP04787649.5

    申请日：2004-09-06

    申请人： THK CO., LTD.

    发明人： TERAMACHI, Akihiro, c/o THK Co., Ltd. ,  MICHIOKA, Hidekazu, c/o THK Co., Ltd. ,  NIWA, Hiroshi, c/o THK Co., Ltd. ,  NISHIMURA, Kentaro, c/o THK Co., Ltd.

    IPC分类号： F16H25/22

    CPC分类号： F16H25/2247 ,  F16H25/2238 ,  F16H2025/2271 ,  Y10T74/19767

    摘要： There is provided a roller screw comprising: a screw shaft 1 formed, on an outer peripheral surface thereof, with a spiral roller rolling groove 1a; a nut member 2 formed, on an inner peripheral surface thereof, with a spiral loaded roller rolling groove 2a opposing to the roller rolling groove 1a of the screw shaft; and a number of rollers 6 disposed between the roller rolling groove 1a and the loaded roller rolling groove 2a. A number of rollers 6 are arranged in cross shape and each of the rollers has a diameter D larger than a prescribed dimension. According to such roller screw, an optimum preload can be applied in accordance with the roller screw structure, thereby improving the rigidity of the roller screw.

    摘要翻译： 提供了一种滚柱丝杠，其包括：丝杠轴1，其在其外周表面上形成有螺旋滚子滚动槽1a; 螺母构件2在其内周表面上形成有与螺旋轴的滚子滚动槽1a相对的螺旋负载滚子滚动槽2a; 以及设置在滚子滚动槽1a和负载滚子滚动槽2a之间的多个滚子6。 多个辊6以十字形排列，每个辊的直径D大于规定尺寸。 根据这种滚柱丝杠，可以根据滚柱丝杠结构施加最佳的预加载荷，从而提高滚柱丝杠的刚性。

    SCREW DEVICE
    3.
    发明公开
    SCREW DEVICE 审中-公开
    SCHRAUBVORRICHTUNG

    公开(公告)号：EP1821002A1

    公开(公告)日：2007-08-22

    申请号：EP05799347.9

    申请日：2005-10-27

    申请人： THK CO., LTD.

    发明人： MICHIOKA, Hidekazu, c/o THK Co., Ltd. ,  NIWA, Hiroshi, c/o THK Co., Ltd. ,  IIDA, Katsuya c/o THK Co., Ltd. ,  SAITOH, Yoshiaki, c/o THK Co., Ltd.

    IPC分类号： F16H25/22 ,  F16H25/24

    CPC分类号： F16H25/2214 ,  F16H25/24 ,  F16H57/0006 ,  Y10T74/19772

    摘要： The present invention provides a screw device enabling insulation of sounds occurring from the inside of the screw device when circulating rolling elements.
    The screw device includes: a screw shaft 1 having a spiral rolling-element rolling groove 1a on an outer circumferential surface; a nut body 2 having a spiral loaded rolling-element rolling groove 2a on an inner circumferential surface to oppose the rolling-element rolling groove 1a of the screw shaft 1 and having therein a rolling-element returning passage 6 to return rolling elements 3 rolling in a loaded rolling-element rolling passage 10 formed between the loaded rolling-element rolling groove 2a and the rolling-element rolling groove 1a of the screw shaft 1; a circulation member 9 attached to an end face of the nut body 2 and provided with a direction changing passage 5 to connect the loaded rolling-element rolling passage 10 and the rolling-element returning passage 6; and a sound insulating member 11 attached to the nut body 2 to which the circulation member 9 is attached and formed to have an inner circumferential surface coming into contact with the screw shaft and to cover the circulation member 9.

    摘要翻译： 本发明提供了一种螺旋装置，其能够在循环滚动元件时使从螺旋装置的内部产生的声音绝缘。 螺杆装置包括：螺旋轴1，其在外周面上具有螺旋形滚动元件滚动槽1a; 在螺旋轴1的滚动体滚动槽1a上与内圆周表面上具有螺旋加载滚动元件滚动槽2a的螺母体2，并具有滚动元件返回通道6，使滚动元件3滚动 形成在负载的滚动体滚动槽2a和螺杆轴1的滚动体滚动槽1a之间的加载的滚动体滚动通道10; 安装在螺母本体2的端面的循环构件9，设有方向转换通路5，以连接加载的滚动体滚动通道10和滚动体返回通道6; 以及安装在螺母体2上的隔音构件11，循环构件9安装到该螺母体2上，以使其内周面与螺纹轴接触并覆盖循环构件9。