Electric motor with a housing for at least two carbon brushes

Electric motor with a housing for at least two carbon brushes

CN
  • CN 1,666,402 A
  • Filed: 05/30/2003
  • Published: 09/07/2005
  • Est. Priority Date: 06/26/2002
  • Status: Active Application
First Claim
Patent Images

1. has the motor of holding frame (6) that is used at least two carbon brushes (5), these carbon brushes are crushed on the outer surface on the armature shaft (2) that is fixed in motor, columniform commutator (4) diametrically by spring force (7), it is characterized in that:

  • have holding frame (6) and can being drawn out axially going up from the rolling bearing (3) of commutator (4) through supporting armature shaft (2) of armature shaft (2) of carbon brush (5);

    And be used for housing rolling bearing (3) and avoid the device (11 that dirt is invaded,

         12) on a side of holding frame (6) that has carbon brush (5), be provided with the slope (14 of one or more such extensions at it,

         15), so that when pulling out when holding frame (6) carbon brush (5) slide and cross described slope and antagonistic spring power (7) is mobile radially outwardly simultaneously.

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