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An actuator

A technology of actuators and linear actuators, which can be applied to electric components, casings/covers/supports, tables that can change the height of the table top, etc., and can solve the problems of high price, difficult implementation, and complex structure.

Active Publication Date: 2011-09-28
LINAK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the existing connection, the solution to be solved is expensive, complex or not easy to implement

Method used

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Examples

Experimental program
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Embodiment Construction

[0026] figure 1 A lifting column linear actuator for a height-adjustable (sit / stand) table is shown, which has three elements 1, 2, 3 arranged telescopically on the inside to each other, the lower end of which is the outer element 1 for connecting into the base. The upper end of the internal element 3 has a casing 4 extending vertically from the wider side of the strut. Holes 5 are formed on the sides and ends of the facing away from the cabinet for installing a desktop / frame supporting the desktop. A bracket 1' for mounting a rim is provided on the wider side of the top of the exterior member 1. The strut is also equipped with a non-guided or guided intermediate element 2 . When using an element 2 that is not guided, first the inner element 1 is pushed out, and then the middle element 2 is brought out by joining. However, the intermediate element 2 moves with varying degrees of randomness due to friction between the individual elements. figure 2 shows a drive assembly t...

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PUM

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Abstract

In actuators where an electric motor, via a transmission, drives an activation element intended to cause movement of an adjustable element in the structure in which the actuator is incorporated, particularly within the furniture sector, hospital beds and sickbeds. The level of noise may be reduced in that at least the electric motor (6) is mounted in tightly fitting recess (12) in a block (11) offoam plastics or similar vibration / noise damping material. An additional reduction of vibrations / noise is achieved by inserting a claw coupling (9a, 9b) with a gasket of rubber or rubber-like material between the individual claws in the claw coupling.

Description

technical field [0001] The invention relates to an actuator comprising a casing, an electric motor placed in the casing, the electric motor has a motor shaft, a transmission device connected to the motor shaft, the transmission device includes an output stage, an actuator connected to the output stage of the transmission for moving the adjustable element in the structure in which the actuator is incorporated. Background technique [0002] Actuators driven by typical 24V reversible low voltage DC motors are used as adjustable items of furniture such as beds, chairs, tables. In a linear actuator, an electric motor through a transmission drives a shaft with a nut mounted non-rotatably so that the nut can move back and forth on the shaft depending on the direction of rotation of the shaft. The nut is placed on a tubular rod, the free end of which is provided with an appendage for fixing within the structure. Usually the transmission consists only of a worm gear, the worm of wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K5/02H02K5/24A47B9/04H02K7/06H02K7/116
CPCH02K7/06H02K7/1166H02K5/24A47B9/04
Inventor N·克林克C·普拉茨
Owner LINAK AS