Anti-disturbance loudspeaker
A loudspeaker and anti-disturbance technology, which is applied in the field of loudspeakers, can solve the problems of discount of the sounding effect of the loudspeaker, interference of the axial movement of the paper cone, affecting the vibration of the paper cone, etc., to avoid irregular aging, ensure accurate transmission, and reduce the effect of interference.
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[0018] exist figure 1 In the shown embodiment, the anti-disturbance loudspeaker includes a housing 1, a permanent magnet ring 2, a stem 3, a voice coil 4, a paper cone 5 and a protective cover; the permanent magnet ring 2 is sleeved on the stem 3 , there is a magnetic gap between the inner wall of the permanent magnet ring 2 and the core post 3; the voice coil 4 is coaxially arranged with the core post 3, and one ring end of the voice coil 4 can reciprocate without friction in the magnetic gap; The other end of the circle 4 is connected with a paper cone 5;
[0019] Also includes a guide column 6, the guide column 6 is installed at the end of the stem 3, the guide column 6 is coaxially arranged with the stem 3; permanent magnetic strips 61 are arranged equidistantly on the cylindrical surface of the guide column 6, The magnetic pole connection direction of the permanent magnetic strip 61 is along the radial direction of the guide column 6;
[0020] A guide tube 7 is connecte...
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