Linear actuator

Abstract

The present invention relates to a linear actuator () comprising an outer tube () secured to a console and a rear mounting () and a front mounting () for mounting the linear actuator (). The linear actuator () further comprises a motor housing () which constitutes a first part of an actuator housing () The linear actuator () further comprises an inner tube () which at its outermost end is secured to the front mounting () and with its other end is in connection with a spindle nut on a spindle. Through a transmission an electric motor causes the spindle to rotate at which the spindle nut and the inner tube will be moved in an outwards or inwards direction depending on the direction of rotation of the spindle. The spindle nut and the inner tube are guided telescopically in the outer tube. The spindle nut and the inner tube are secured against rotation in the outer tube. Due to the number of components and a large number of assembly operations, the production of this type of linear actuator () is cost-intensive. The invention thus relates to providing a linear actuator () which is more production friendly and cost-efficient. This is achieved according to the invention in that the outer tube () and the console () are cast as a unit which constitutes a base unit (). Thus, both the number of components as well as the number of assembly operations is reduced causing the total cost for manufacturing of the linear actuator () to be reduced considerably.