Inflation/discharge electric pump without changing direction

Inflation/discharge electric pump without changing direction

  • CN 2,731,148 Y
  • Filed: 09/07/2004
  • Issued: 10/05/2005
  • Est. Priority Date: 09/07/2004
  • Status: Active Grant
First Claim
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1. one kind does not change the motor-drive pump that direction can be filled exhaust, it is characterized in that, comprising:

  • One base is the hollow box that a side has opening, has containing groove in it, and a side adjacent with the base openings side is provided with an opening;

    One one-way valve has the valve seat of a both-side opening, and valve seat is fixed in the opening of base, and a valve is located at valve seat and only can be pushed to chassis outer side, and the side of valve outside base is provided with a valve block, and the valve block complete closed is lived the opening of valve seat;

    One motor seat, it is the housing that hollow and two ends have ventilated port, the motor seat is located at the interior end near one-way valve of base, be provided with breach with an opening end sides adjacent wherein, one motor is fixed in the motor seat, motor one end is provided with a driveshaft, and driveshaft extends to the motor seat outside by the opening of motor seat;

    One air outlet seat is the hollow casing that a side has opening, and air outlet seat is fixed on the outward extending side of driveshaft of motor seat, and its closed side is provided with a perforation with respect to the driveshaft of motor, and the air outlet seat periphery is provided with an air-out breach;

    One air intake seat is the hollow casing that a side has opening, and the air intake seat is with the opening side relative fixed of opening side and air outlet seat, and its periphery is provided with the air intake breach with respect to the air-out breach of air outlet seat;

    One dividing plate is a circular lamellar body, and dividing plate is located between air outlet seat and the air intake seat, and it intercepts the opening of air outlet seat and air intake seat fully, and dividing plate is provided with a perforation;

    One flabellum is located in the air outlet seat, and joins with the driveshaft of motor;

    One ventilation seat, it is the hollow casing that a side has opening, the slippage of ventilation seat is in the motor seat, on the assemblying body of air outlet seat and air intake seat, the breach of motor seat, the air-out breach of air outlet seat and the air intake breach of air intake seat communicate with the opening side of ventilation seat and cover fully in the ventilation seat, ventilation seat one end forms a demarcation strip, demarcation strip one end extends the ventilation seat outside, and and formation one ventilated port between a more approaching end of ventilating, the demarcation strip the other end to ventilation seat inboard extend and and the more approaching end of ventilation seat between form a gas space, the air-out breach of the width of the ventilated port and the gas space and air outlet seat and the air intake breach of air intake seat are identical, and the ventilation seat is formed with a push rod with respect to the valve seat position;

    One top board closes the opening side of base, and top board is provided with a switch hole that is nested with outside the ventilated port of ventilation seat.

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