Multifunctional sounding device

1. A multifunctional sounding device comprising:

a housing body with a containment cavity;

a sounding unit placed in the containment cavity, comprising a vibration system, a magnetic circuit system having a main magnet and a secondary magnet arranged around the main magnet to form a magnetic gap for driving the vibration system to vibrate and produce sound along a first direction;

an elastic assembly in the containment cavity and fixedly connected with the housing body;

a weight connected with the elastic assembly to be suspended in the containment cavity for being movable along a second direction which is perpendicular to the first direction;

a driving coil fixed to the weight, comprising a first side edge and a second side edge opposite to the first side edge; wherein

in the first direction, the first side edge is spaced from the main magnet; the second side edge is spaced from the secondary magnet.

2. The multifunctional sounding device as described in claim 1 , wherein, a polarity of one end of the main magnet toward the driving coil is opposite to a polarity of one end of the secondary magnet toward the driving coil.

3. The multifunctional sounding device as described in claim 1 , wherein, the first side edge and the second side edge cooperatively form a wire winding hole, and in the first direction, the wire winding hole is located opposite to the magnetic gap.

4. The multifunctional sounding device as described in claim 1 , wherein, the weight has a mounting groove for fixing the driving coil; the first side edge and the second side edge together form a wire winding hole; a groove bottom of the mounting groove protrudes and forms a positioning part for being aligned and assembled into the wire winding hole.

5. The multifunctional sounding device as described in claim 4 , wherein, the magnetic circuit system further comprises a yoke fixedly connected with the main magnet and the secondary magnet; the yoke includes an avoidance space; the first side edge is spaced from the main magnet through the avoidance space; the second side edge is spaced from the secondary magnet by the avoidance space.

6. The multifunctional sounding device as described in claim 5 , wherein, in the first direction, the yoke part is located inside the mounting groove.

7. The multifunctional sounding device as described in claim 4 , wherein, the weight comprises a motherboard part formed with the mounting groove, and a side panel part formed by bending and extending in a direction toward the sounding unit from opposite two ends of the motherboard part disposed in the third direction; the third direction is perpendicular to the first direction and the second direction; an outer edge of the end face of the secondary magnet facing the driving coil is formed with an inverted angle opening; the side panel part comprises a first part located on the peripheral side of the sounding unit and a second part extending from the motherboard part and opening relative to the inverted angle to connect with the first part.

8. The multifunctional sounding device as described in claim 1 further comprising a frame; wherein the vibration system comprises a voice coil, an upper diaphragm and a dome inserted in the magnetic gap; the upper diaphragm comprises a first folded circular part, a first outer flipped edge extending from the outer edge of the first folded circular part, and a first inner flipped edge extending from the inner edge of the first folded circular part; the first outer flipped edge is fixed to the frame; the first inner flipped edge is fixed on the dome, and the dome is fixedly connected with the voice coil.

9. The multifunctional sounding device as described in claim 1 further comprising a frame; wherein the vibration system comprises a voice coil inserted in the magnetic gap, an upper diaphragm, a lower diaphragm located opposite to the upper diaphragm along the first direction, and a skeleton located between the upper diaphragm and the lower diaphragm;

the skeleton comprises a main body part, a first bended part bending and extending from the inner edge of the main body part, and a second bended part bending and extending from the outer edge of the main body part, and the voice coil is fixed to the first bended part; the upper diaphragm comprises a first folded circular part, a first outer flipped edge extending from the outer edge of the first folded circular part, and a first inner flipped edge extending from the inner edge of the first folded circular part;

the first outer flipped edge is fixed to the frame; the first inner flipped edge is fixed on the main body part of the skeleton; the lower diaphragm comprises a second folded circular part disposed opposite to the first folded circular part, a second outer flipped edge extending from the outer edge of the second folded circular part, and a second inner flipped edge extending from the inner edge of the second folded circular part; the second outer flipped edge is fixed to the end face of the frame away from the first outer flipped edge; the second inner flipped edge is fixed to the second bended part.

10. The multifunctional sounding device as described in claim 9 , wherein, the upper diaphragm further comprises a third folded circular part disposed inside the first folded circular part, and a third outer flipped edge extending from the outer edge of the third folded circular part, and a third inner flipped edge extending from the inner edge of the third folded circular part; the sounding unit also comprises a positioning ring sleeved on the magnetic circuit system; and wherein, the third outer flipped edge is fixed on the main body part of the skeleton; the third inner flipped edge is fixed on the positioning ring.

11. The multifunctional sounding device as described in claim 9 , wherein, the vibration system further comprises a dome set on the main body part, and the dome is located inside the first inner flipped edge.