DE3329999A1

DE3329999A1 - Rotor for electric motors in toys

Info

Publication number: DE3329999A1
Application number: DE19833329999
Authority: DE
Inventors: Helmut 7321 Wangen Röther
Original assignee: Gebr Maerklin and Cie GmbH
Current assignee: Gebr Maerklin and Cie GmbH
Priority date: 1983-08-19
Filing date: 1983-08-19
Publication date: 1985-03-07

Abstract

The commutator segments of the rotors of very small electric motors have integral wires which run parallel to the axial shaft in the thermoplastic hub from one bearing part to the other bearing part and there form tabs for winding ends to be soldered onto, with the advantage of optimally simple production. <IMAGE>

Description

Rotor für Spielzeug-Elektromotoren. Toy electric motor rotor.

Die Erfindung betrifft einen Rotor für Spielzeug-Elektromotoren mit Welle, Spulen und Kollektor.The invention relates to a rotor for toy electric motors with Shaft, coils and collector.

Gekennzeichnet ist das Wesentliche des Erfundenen dadurch, daß sein Blechpaket von je einer als Wicklungsisolierung ausgebildeten Endscheibe aus einem Thermoplast abgedeckt und auf einer die Welle umschließenden Nabe aus einem Thermoplast zentriert sind, ferner, daß die Kollektorsegmente in drahtähnlichen Lötfahnen enden, welche in der Nabe parallel zur Welle verlaufen.The essence of what is invented is characterized by being Laminated core of one end plate each designed as a winding insulation Covered thermoplastic and on a hub surrounding the shaft made of a thermoplastic are centered, furthermore that the collector segments end in wire-like soldering lugs, which run parallel to the shaft in the hub.

Die Zeichnung zeigt ein Ausführungsbeispiel mit zwei Querschnitten Fig 1 und Fig 2.The drawing shows an embodiment with two cross sections Fig. 1 and Fig. 2.

Die Rotorwelle ist vom auch das Blechpaket 1 einstückig umfangenden Thermoplastteil 7, 2 zentriert. Die Kollektorsegmente 4 und die Lötfahnen 5 sind jeweils einstückig z.B. Blechstanzteile. Sie sind gegenüber den Lötfahnen 5 ein wenig abgesetzt und haben einen etwas größeren Durchmesser. Das Blechpaket ist mit einem Thermoplast einstückig umgossen. Die Stege 7, 2 des Thermoplastkörpers überdecken Kollektorteile und Lötfahnenteile an deren Wurzeln, wodurch diese Blechlappen abgestiitzt und gegen Aufbiegen gesichert werden.The rotor shaft is encircling the laminated core 1 in one piece Thermoplastic part 7, 2 centered. The collector segments 4 and the soldering lugs 5 are each in one piece, e.g. stamped sheet metal parts. They are opposite the soldering lugs 5 little separated and have a slightly larger diameter. The sheet metal package is with encapsulated in one piece with a thermoplastic. Cover the webs 7, 2 of the thermoplastic body Collector parts and solder lug parts at their roots, as a result of which these sheet metal tabs are supported and secured against bending open.

Claims

Claims: 1.) Rotor for toy electric motors with shaft, coils and collector, characterized in that its laminated core consists of one each as winding insulation trained end plate made of a thermoplastic and covered on a the shaft surrounding hub made of a thermoplastic are centered, further that the collector segments end in wire-like soldering lugs, which run parallel to the shaft in the hub.

2.) Rotor according to claim 1, characterized in that the collector segments and the soldering tails are in one piece.

3.) Rotor according to claim 1 and 2, characterized in that the collector segments are offset from the soldering lugs and have a coarser diameter.

4e) rotor according to claim 1, 2 or 3, characterized in that the Laminated core is encased in one piece with a thermoplastic0 5) rotor according to the claims1 to 4 characterized in that the insulation parts (webs 7, 2) are collector parts (e.g. lamellas) are partially covered and thus secured against bending.