Electromechanical extending device of movable sofa

Abstract

Disclosed is an electromechanical extending device of a movable sofa, which is suitable for a movable sofa, especially for an electric rocking chair or swinging chair. The electromechanical extending device of a movable sofa comprises a mechanical extending device and an electric device, wherein the electric device consists of a motor, a motor front connection tube, a motor rear connection tube, a motor head installation piece, a motor movement sliding block, a sliding block installation piece, a rotating connection piece, and a rotating bended piece, the motor front connection tube is connected with a leg connection piece, the motor head installation piece is connected with the motor front connection tube, the motor head installation piece is connected with the motor in a rotating manner, the motor movement sliding block is installed on a guide rail of the motor, the sliding block installation piece is fixed on the motor rear connection tube, the sliding block installation piece is connected with the motor movement sliding block in a rotating manner, the motor rear connection tube is connected with the rotating bended piece, the rotating bended piece is connected with a rising connection piece in a rotating manner, the rotating connection piece is connected with the rotating bended piece in a rotating manner, and the rotating connection piece is connected with an installation board in a rotating manner. The device has a simple structure, a safe and reliable drive, a high efficiency, a low cost and a good level of comfort.

Description

TECHNICAL FIELD OF THE INVENTION[0001]The invention relates to an electromechanical extending device of a movable sofa, and in particular relates to a multi-functional electromechanical extending device of a movable sofa in which the leg shelf can be folded or unfolded and the angle of the backrest can be slightly adjusted. The electromechanical extending device of the movable sofa is mainly suitable for a movable sofa, especially for an electric rocking chair or swinging chair.BACKGROUND OF THE INVENTION[0002]The current electromechanical extending device of a movable sofa has six major disadvantages: 1, in the electrically driving manner of the movable sofa, the structure is too complicated, influencing the kinetic energy efficiency of the motor; 2, in the electrically driving manner of the movable sofa, the installation position of the motor installation head is too high so that there is a risk of the hip touching the motor installation head when people are seated in the sofa, an...

AI Technical Summary

Benefits of technology

[0008]The electromechanical extending device in accordance with the invention has a simple structure, helping improve the installation efficiency of the mechanical extending device.

[0009]The invention solves the phenomenon of shaking and inconsistent left and right sides in the running process in the electrically driving manner of the movable sofa in the prior art, and improves the level of comfort of the movable sofa.

[0010]The invention solves the problem that in the electrically driving manner of the movable sofa, the position of the motor installation head is too high so that there is a risk of the hip touching the motor installation head when people are seated in the sofa, and improves the safety of the movable sofa.

[0011]Both the fourth axis of rotation and the fifth axis of rotation in accordance with the invention are bolts, realizing the fact that the motor movement sliding block on the motor is connected with the motor head via the bolt, and improving the installation efficiency of the motor.

[0012]The invention unifies the structure of the mechanical extending device of the electric rocking chair or swinging chair, and reduces the controlling cost of the movable sofa.

[0013]The invention improves the electric function of the movable sofa, has a safe and reliable drive, a high efficiency, and a low cost, and improves the degree of automation and the level of comfort of the movable sofa.

Problems solved by technology

The current electromechanical extending device of a movable sofa has six major disadvantages: 1, in the electrically driving manner of the movable sofa, the structure is too complicated, influencing the kinetic energy efficiency of the motor; 2, in the electrically driving manner of the movable sofa, the installation position of the motor installation head is too high so that there is a risk of the hip touching the motor installation head when people are seated in the sofa, and there is a serious safety problem; 3, in the electrically driving manner of the movable sofa, the installation is complicated, influencing the installation efficiency of the movable sofa; 4, in the electrically driving manner of the movable sofa, the motor installation tube piece is too complicated so that there is a problem that the sofa cannot be installed in the production process; 5, in the electrically driving manner of the movable sofa, there is a problem of shaking and inconsistent left and right sides in the running process; and 6, the mechanical device of the electric rocking chair or swinging chair of the movable sofa has an inconsistent structure, increasing the manufacturing cost of the movable sofa.

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