A linear compressor provided with an anti-collision device for preventing a piston from coming into collision with a cylinder head andor a suction valve even when the piston moves past its upper dead center position. The pedal includes a pedal arm which in one end area thereof is pivotally mounted about a pivoting axis and which in the other end thereof is provided with a pedal plate which can be impinged upon the force by the driver. The bracket of the insert comprises at least one brace, which is connected to the insert and is also embeddable in the body of the component.