Vacuum, pressure or liquid pump

Abstract

It comprises driving means ( 2 ), with shaft ( 5 ), connected to an eccentric ( 8 ), at least two membranes that block a similar number of apertures ( 4 ) in a box ( 1 ), characterised in that it comprises: connecting rod 6 , the centre of which houses a single bearing ( 9 ) for each eccentric ( 8 ), through which referred shaft ( 5 ) passes, and at least two actuators ( 7 ) that join membranes ( 3 ) to connecting rod ( 6 ), with said actuators ( 7 ) articulated to connecting rod ( 6 ).

1 . A vacuum, pressure or liquid pump, of the type comprising driving means ( 2 ), with shaft ( 5 ), connected to an eccentric ( 8 ), at least two membranes that block a same number of apertures ( 4 ) in a box ( 1 ), characterised in that it comprises:
 Single connecting rod ( 6 ), the centre of which houses a single bearing ( 9 ) for each eccentric ( 8 ), through which referred shaft ( 5 ) passes,   At least two actuators ( 7 ) that join membranes ( 3 ) to connecting rod ( 6 ), with said actuators ( 7 ) articulated to connecting rod ( 6 ), and   said driving means are a motor ( 2 ).   
     
     
         2 . A pump, in accordance with  claim 1  characterised in that connecting rod ( 6 ) partially houses actuators ( 7 ) and articulates with the same by means of a first pass-through orifice ( 10 ), through which connecting rod ( 6 ) passes, facing a second pass-through orifice ( 11 ), through which actuator ( 7 ) passes, so that both pass-through orifices ( 10 ,  11 ) are joined by a pin ( 12 ). 
     
     
         3 . A pump, in accordance with  claim 1  characterised in that actuators ( 7 ) are articulated in an equidistant manner from each other to the connecting rod ( 6 ).