JPS62168776U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 shows the configuration of an embodiment of the motor of the present invention, Fig.
The figure shows the configuration of one embodiment of the insulating core, Figures 3 and 4.
The figure is an explanatory diagram illustrating the structure before winding the rotor winding, FIGS. 5 and 6 are an explanatory diagram illustrating the configuration of one embodiment of the brush, and FIG. 7 is an explanatory diagram illustrating the means for obtaining the brush. FIG. 8 shows a conventional motor. In the figure, 1 is a motor case, 2 is a motor case lid, 3 is a permanent magnet, 4 and 5 are bearings, 6 is a laminated core, 7 is a rotor winding, 8 is a brush, and 8-1 is a terminal part. , 8-2 is a brush sliding piece, 8-3 is a sliding contact, 8-4 is a joint, 9 is a commutator surface, 10, 11
is the motor terminal, 12 is the motor rotation shaft, 13, 14
are respectively insulated cores, 13-1 is a hollow cylindrical part, 13
-2 is a through hole, 13-3 is a wing part, 13-4 is a hanging part, 13-5 is a notch part, 15-1 is a commutator piece,
15-2 is a rising part, 16 is a varistor ring for preventing spark generation, 17 is a washer, 18 is a base material, 1
9 represents a palladium alloy layer, and 20 represents a solder plating layer.

Amendment February 10, 1982 The scope of claims for utility model registration is amended as follows.

[Claims for Utility Model Registration] A substantially flat motor case having a permanent magnet field, a motor case lid that is engaged with an open end surface of the motor case, and a closed case of the motor case. a rotor having a motor rotating shaft rotatably supported by a first bearing provided on an end face and a second bearing provided in the motor case lid; a rotor supported by the motor case lid; In a small flat motor having a brush that slides on a commutator piece provided on a rotating shaft, a wing portion substantially covering the core is provided on the outermost end surface of the laminated core constituting the rotor. The insulating core has an insulating core having a through hole in the center through which the motor rotation shaft passes, and a plurality of commutator pieces formed around the through hole to which the rising portions of the plurality of commutator pieces are engaged. a hollow cylindrical part having a notch;
A commutator surface formed by the commutator pieces is formed on the motor rotating shaft inside the hollow cylindrical part, and a rotor winding is supported on the outer peripheral surface of the hollow cylindrical part of the insulating core. The brush is wound on a laminated core covered with the wing portion of the insulating core, and the brush is configured to slide on a commutator surface formed inside the hollow cylindrical portion of the insulating core. , comprising at least a terminal portion held by the motor case lid and a brush sliding piece sliding on the commutator surface, and the terminal portion and the brush sliding piece are welded with a welding agent interposed therebetween. A small flat motor characterized by being integrally joined.

Claims (1)

[Scope of utility model registration request] a substantially flat motor case having a permanent magnet field; a motor case lid engaged with an open end surface of the motor case; a first cap provided on a closed end surface of the motor case; a rotor having a motor rotation shaft rotatably supported by a bearing and a second bearing provided on the motor case lid; a commutator supported on the motor case lid and provided on the motor rotation shaft; In a small flat motor having brushes that are engaged with the child pieces, the laminated core constituting the rotor is provided with an insulating core having wing portions on the outermost end surface of the laminated core that substantially covers the core, and the insulating core is A hollow cylindrical portion having a through hole in the center through which the motor rotation shaft passes and a plurality of notches formed around the through hole and into which the rising portions of the plurality of commutator pieces are engaged. , a commutator surface formed by the commutator pieces is formed on the motor rotating shaft inside the hollow cylindrical part, and a rotor winding is supported on the outer peripheral surface of the hollow cylindrical part of the insulating core. and is wound on a laminated core covered with a wing portion of the insulating core, and the brush is configured to slide on a commutator surface formed inside the hollow cylindrical portion of the insulating core. The motor case also includes at least a terminal portion held by the motor case lid and a brush sliding piece that slides on the commutator surface, and the terminal portion and the brush sliding piece are welded together with a welding agent interposed therebetween. A small flat motor characterized by being integrally joined.