Rotary oscillating fan

Rotary oscillating fan

CN
  • CN 2,771,529 Y
  • Filed: 01/14/2005
  • Issued: 04/12/2006
  • Est. Priority Date: 01/14/2005
  • Status: Active Grant
First Claim
Patent Images

1. one kinds of novel rotation oscillating fans, comprise base, be fixed on the vertical rod on the base, be contained in the carriage in the vertical rod, with the relatively-stationary outer cover of carriage, be fixed on the wind drum AC motor on the carriage, with the relatively-stationary rotation wind drum of wind drum AC motor rotating shaft, be contained in control switch on the outer cover, it is characterized in that:

  • described carriage is rotatably installed in the described vertical rod, it is the driven gear of shaft axis with described vertical rod that described carriage below has one, depart from the described carriage vertical rod axle position install one can reverse rotation motor, described reverse machine shaft is parallel with vertical rod, fix a rotation driving gear in the rotating shaft, described driven gear and rotation driving gear are meshing with each other, below described vertical rod, be electrical connection dish of center fixation with the vertical rod, there are two to be the center on the electrical connection dish with the vertical rod, spacer insulator, the annular conductive ring that communicates with two poles respectively, described carriage has at least two brush holes with described the electrical connection on the dish opposing side, spring and brush are housed in the hole, described brush keeps in touch with the described annular conductive ring that is electrically connected on the dish under the spring force effect, described brush is electrically connected with control switch by lead, control switch is electrically connected with described two motors, described control switch comprises a timing converter, is used in required time the power electrode that conversion automatically can reverse rotary electric machine.

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