Electromotive linear drive

电动直线驱动装置

Abstract

本发明涉及一种电动直线驱动装置(10),特别是用于调整家具构件,该电动直线驱动装置具有一多件式的、由塑料以注塑方法制成的壳体(14)和一滑块式构成的丝杆螺母(13),在所述壳体中装配至少一个驱动装置,所述丝杆螺母至少部分地环绕嵌接壳体(14)和/或至少部分地嵌入到壳体中,该电动直线驱动装置应设计成,使得设计结构极其简单,它还为了装入到特别是沙发椅中是紧凑的并且还能经济地由尽可能少的构件制成。按照本发明,壳体(14)包括至少两个壳体部件(14a和14b)并具有用于丝杆螺母(13)的滑道,其中至少丝杆(12)的螺纹线设置在壳体(14)外部。在一优选的实施形式中,所述壳体(14)关于电动直线驱动装置的装配位置设置在丝杆(12)的区域的下方。形成壳体(14)的所述壳体部件(14a和14b)在横截面内设计成相同的或类似的,优选壳状的。
The invention relates to an electromotive linear drive (10) having a multi-part housing (14) which is produced from plastic in an injection-molding process and in which are mounted at least one drive train, a block-shaped spindle nut (13) which engages at least partially around the housing or at least partially into the housing, should be designed such that the structural design is extremely simple and can furthermore, for installation in particular into a chair, be produced in a compact and also cheap manner from as few components as possible, and a rotatably driven spindle (12). According to the invention, the housing is formed from at least two housing parts (14a, 14b) and has sliding tracks for the spindle nut, wherein the thread flights of the spindle are arranged outside the housing in a region of the housing matched with spindle, an interface of the housing extends along a longitudinal axle wire of the spindle, and the spindle nut is formfittingly coupled to each housing part of the housing, that is the spindle nut can be movably guided relative to the housing.

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