Magnetic structure of voice coil motor, voice coil motor, zoom lens and photographic equipment

A magnetic structure of a voice coil motor, applied to a zoom lens, comprising:

• a yoke assembly provided with two annular yoke bodies provided side by side in a first direction;
• wherein a central axis of each of the annular yoke bodies is provided along a second direction, and each of the annular yoke bodies is configured to extend along a third direction;
• the two annular yoke bodies are provided with two first yoke sections that are close to each other in the first direction, and two second yoke sections that are far away from each other;
• and
• a magnetic strip assembly provided with two magnets;
• wherein the two magnets are respectively provided in the two annular yoke bodies;
• the two magnets are respectively provided on opposite side end surfaces of the two first yoke sections, or opposite side end surfaces of the two second yoke sections,
• wherein each of the magnets comprises a magnetic strip, the magnetic strip is configured to extend along the third direction and is fixedly connected to the two first yoke sections or the two second yoke sections through a thread connection structure.