Self-shaking type USB table fan

Abstract

The invention discloses a self-shaking type USB table fan, comprising a table fan seat, wherein the table fan seat is provided with a speed control mechanism for controlling the speed of the USB table fan moving head and a shaking head mechanism for realizing the function of the USB table fan turning head, The speed control mechanism and the moving head mechanism are frictionally driven by a belt; the device has a simple structure and simple operation, and can adjust the moving head speed within a certain range while satisfying the basic blowing and shaking function of the USB table fan, so as to be adapted to use. The most comfortable shaking speed of the head makes the device more user-friendly and improves the quality of life of the user.

1 . A self-shaking type USB table fan, comprising a table fan seat, characterized in that: the table fan seat is provided with a speed control mechanism for controlling the speed of the USB table fan moving head and a moving head mechanism for realizing the function of the USB table fan turning head, The speed control mechanism and the moving head mechanism are frictionally driven by a belt, the speed control mechanism includes a USB cable, a cone block and six friction blocks, and the USB cable is used for connecting an external power source to supply device power, the cone The lifting and lowering of the block may cause the friction blocks to be close to or away from each other, and the speed control mechanism further includes a cam, a U-shaped block and a metal block, and the cam is kept in contact with the U-shaped block while being rotated, and the cam rotates. a position may be rotationally conductive with the metal block, the rocking mechanism is located to the left of the speed control mechanism, the moving head mechanism comprises a vertical rod, a shaking head slot and a fan blade, and the vertical rod is in the moving head slot The movement of the fan blade can be pushed to realize the function of shaking the head. When the friction blocks are close to each other or away from each other, the moving mechanism can be pulled to move left and right. The distance between the speed control mechanism and the moving head mechanism determines the USB table fan. Shaking his head Of said control means and the speed of the motor and the oscillating mechanism moving head hair motor drive means is operated. 
     
     
         2 . The self-shaking type USB stage fan according to  claim 1 , wherein the speed control mechanism comprises a moving head motor, wherein the table fan seat is provided with a working slot, and the lower end wall of the working slot is provided with a transverse slot. The lower end wall of the transverse groove is fixed with a base, and the upper end surface of the base is fixed with a moving head motor with a driving shaft, wherein the upper end of the driving shaft is fixed with a circular block, and the upper end surface of the circular block is provided with six elastic grooves, The left end wall of the left elastic groove is fixed with an elastic spring, and the right end of the elastic spring is fixed with a T-shaped block slidably connected to the elastic groove, and the upper end of the T-shaped block is located in the working groove and is fixed with a support block. a rotating shaft is arranged on the upper end surface of the supporting block, and a friction block is fixed on the upper end of the driving shaft;
 wherein, the right end wall of the working slot is provided with a switching slot, and the left end wall of the switching slot is embedded with a metal block, and the metal block is connected with the moving motor through a short wire, and the upper side of the metal block is provided with The U-shaped block is embedded in the fan-seat, the left end wall of the switching slot is rotated with a cam, the right end of the cam is fixed with an insulating rod whose right end is located outside, and the right end of the U-shaped block is fixed with a USB cable. The working slot communicates with the outside through a cylindrical groove, the cylindrical groove end wall is provided with a spiral groove, the spiral groove is slidably provided with a curved block, and the right end of the curved block is fixed with a lifting rod penetrating the cylindrical groove. The lower end of the lifting rod is fixed with a tapered block between the supporting blocks, and the movement of the curved block in the spiral groove can drive the tapered block to move up and down.   
     
     
         3 . A self-shaking type USB stage fan according to  claim 1 , wherein the moving head mechanism comprises a moving shaft, a sliding block is arranged in the lateral groove, and the moving block and the base are moved by a spring. a fixed connection, the upper end surface of the moving block is rotated to be provided with a moving shaft, and the upper end of the moving shaft is fixed with a driving pulley that is frictionally transmitted through the belt and the three friction blocks on the right side, and the upper end surface of the working groove is rotated to be provided with a positioning shaft. a positioning block is fixed at a lower end of the positioning shaft, a blower motor is fixed to the left end surface of the positioning block, the blower motor and the U-shaped block are connected by a long wire, and the left end surface of the blower motor is rotated with a fan shaft, The fan shaft is provided with a translation slot, the translation slot is slidably provided with a ring block, the lower end surface of the ring block is fixed with a support rod, the support rod is provided with a movement slot, and the movement slot is provided with a motion block The moving block and the moving block are fixedly connected by a U-shaped rod, the lower end of the supporting rod is fixed with a groove block, the trough block is provided with a shaking head groove, and the upper end surface of the driving pulley wheel is fixedly inserted through the moving head groove Vertical a fan cover having a fan cover fixed to a left end surface thereof, a left end of the fan shaft being located in the fan cover and uniformly fixed with three blades, and the movement of the vertical rod in the moving head groove can be driven The fan shaft swings.