CN211629944U

CN211629944U - Starter rotor

Info

Publication number: CN211629944U
Application number: CN202020117499.5U
Authority: CN
Inventors: 周永
Original assignee: Wuxi Susun Autoparts Co ltd
Current assignee: Wuxi Susun Autoparts Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-02
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a starter rotor. Comprises a lifting platform commutator, an electric brush frame, an armature shaft, an enameled wire and an iron chip; the armature shaft is sleeved with an iron chip and a lifting platform commutator, and the iron chip is positioned below the lifting platform commutator; the elevating platform commutator comprises a boss and a connector lug located at the periphery of the bottom end of the boss, the iron chip is connected with the connector lug through an enameled wire, and each wire outlet end on the iron chip is connected with the corresponding connector lug on the elevating platform commutator through a single enameled wire in a plug-in manner to form a plug-in winding; the brush holder is sleeved on the boss, and the brush holder is in radial contact connection with the commutator of the elevating platform. The utility model discloses a plug-in type winding replaces original wound form winding, need not the manual work and twines repeatedly, and production efficiency has improved 50%. Radial contact is adopted between the commutator and the electric brush to replace plane contact, so that the stability of the rotor during operation is improved, and the assembly efficiency of the rotor assembled in the starter is improved by 30 percent.

Description

Starter rotor

The technical field is as follows:

the utility model belongs to the technical field of the rotor production, in particular to starter rotor.

Background art:

the existing starter rotor adopts a planar commutator, a winding is adopted between the planar commutator and an iron chip, and during manufacturing, as shown in figure 1, a joint on the planar commutator is connected by manually and repeatedly twisting an enameled wire, so that the production efficiency is low. In addition, the commutator of the rotor is in planar contact with the brush, and as shown in fig. 2, the operation is unstable.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

The utility model has the following contents:

an object of the utility model is to provide a starter rotor to overcome the defect among the above-mentioned prior art.

In order to achieve the above object, the utility model provides a starter rotor, include: the device comprises a lifting platform commutator, an electric brush frame, an armature shaft, an enameled wire and an iron chip; the armature shaft is sleeved with an iron chip and a lifting platform commutator, and the iron chip is positioned below the lifting platform commutator; the elevating platform commutator comprises a boss and a connector lug located at the periphery of the bottom end of the boss, the iron chip is connected with the connector lug through an enameled wire, and each wire outlet end on the iron chip is connected with the corresponding connector lug on the elevating platform commutator through a single enameled wire in a plug-in manner to form a plug-in winding; the brush holder is sleeved on the boss, and the brush holder is in radial contact connection with the commutator of the elevating platform.

Preferably, in the technical scheme, the commutator of the elevating platform is provided with a reinforcing ring at the bottom end of the connector lug for reinforcing the strength of the connection part of the connector lug and the enameled wire.

Preferably, in the technical scheme, the joint of the connector lug and the enameled wire is welded.

Preferably, in the technical scheme, the brush holder comprises an access end, a brush holder, brushes and wires, a sleeving hole is formed in the middle of the brush holder, two pairs of brushes are symmetrically arranged on the brush holder on two sides of the sleeving hole respectively, a brush head is arranged on each brush, the end portion of each brush head is aligned to the sleeving hole, the access end is connected with the wires, and the wires penetrate through the two pairs of brushes and are connected to the brush holder respectively.

Preferably, in the technical scheme, a wire divider is arranged on the brush holder, and the electric wire is divided into two paths through the wire divider and respectively connected with the brushes on the two sides of the sleeving hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

the original winding type winding is replaced by the plug-in type winding, manual repeated winding is not needed, and the production efficiency is improved by 50%. Radial contact is adopted between the commutator and the electric brush to replace plane contact, so that the stability of the rotor during operation is improved, and the assembly efficiency of the rotor assembled in the starter is improved by 30 percent.

Description of the drawings:

FIG. 1 is a schematic diagram of a winding type winding structure of an original starter rotor;

FIG. 2 is a schematic structural diagram of an original starter rotor assembly;

FIG. 3 is a schematic structural view of a starter rotor assembly according to the present invention;

fig. 4 is a schematic structural diagram of the starter rotor of the present invention;

FIG. 5 is a schematic view of the commutator of the elevating platform of the present invention;

FIG. 6 is a schematic view of the structure of the brush holder of the present invention;

the reference signs are: the method comprises the following steps of 1-elevating platform commutator, 2-electric brush holder, 3-electric pivot shaft, 4-enameled wire, 5-iron chip, 6-lug boss, 7-connector lug, 8-reinforcing ring, 9-access end, 10-electric brush holder, 11-electric brush, 12-electric wire, 13-sleeving hole, 14-electric brush head and 15-deconcentrator.

The specific implementation mode is as follows:

the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Example 1

As shown in fig. 3-5, a starter rotor includes a riser commutator 1, a brush holder 2, an armature shaft 3, an enamel wire 4, and an iron core sheet 5; the armature shaft 3 is sleeved with an iron core plate 5 and a lifting platform commutator 1, and the iron core plate 5 is positioned below the lifting platform commutator 1; the elevating platform commutator 1 comprises a boss 6 and a connector lug 7 positioned at the bottom end of the boss 6, the iron chip 5 is connected with the connector lug 7 through an enameled wire 4, and each wire outlet end on the iron chip 5 is in plug-in connection with the corresponding connector lug 7 on the elevating platform commutator 1 through a single enameled wire 4 to form a plug-in winding; the electric brush frame 2 is sleeved on the boss 6, and the electric brush frame 2 is in radial contact connection with the elevating platform commutator 1. The elevating platform commutator 1 is provided with a reinforcing ring 8 at the bottom end of the connector lug 7 for reinforcing the strength of the connection part of the connector lug 7 and the enameled wire 4. And welding the joint of the connector lug 7 and the enameled wire 4.

As shown in fig. 6, the brush holder 2 includes an inserting end 9, a brush holder 10, brushes 11, and an electric wire 12, a sleeving hole 13 is formed in the middle of the brush holder 10, two pairs of brushes 11 are symmetrically formed on the brush holder 10 on both sides of the sleeving hole 13, a brush head 14 is disposed on the brush 11, the end of the brush head 14 is aligned with the sleeving hole 13, the inserting end 9 is connected to the electric wire 12, a wire divider 15 is disposed on the brush holder 10, and the electric wire is divided into two parts by the wire divider 15 via the wire 12, and is connected to the brush holder 10 and the brushes 11 on both sides of the sleeving hole 13.

The original winding type winding is replaced by the plug-in type winding, manual repeated winding is not needed, and the production efficiency is improved by 50%. The boss 6 is inserted into the sleeving hole 13, the electric brush head 14 is contacted with the boss 6, radial contact is adopted between the elevating platform commutator 1 and the electric brush frame 2 to replace plane contact, the stability of the rotor during operation is improved, and the assembly efficiency of the rotor assembled in the starter is improved by 30%.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A starter rotor characterized by: comprises a lifting platform commutator, an electric brush frame, an armature shaft, an enameled wire and an iron chip; the armature shaft is sleeved with an iron chip and a lifting platform commutator, and the iron chip is positioned below the lifting platform commutator; the elevating platform commutator comprises a boss and a connector lug located at the periphery of the bottom end of the boss, the iron chip is connected with the connector lug through an enameled wire, and each wire outlet end on the iron chip is connected with the corresponding connector lug on the elevating platform commutator through a single enameled wire in a plug-in manner to form a plug-in winding; the brush holder is sleeved on the boss, and the brush holder is in radial contact connection with the commutator of the elevating platform.

2. The starter rotor as recited in claim 1, wherein: the commutator of the elevating platform is provided with a reinforcing ring at the bottom end of the connector lug.

3. The starter rotor as recited in claim 2, wherein: and welding the joint of the connector lug and the enameled wire.

4. The starter rotor as recited in claim 2, wherein: the electric brush frame comprises an access end, an electric brush seat, electric brushes and electric wires, wherein a sleeving hole is formed in the middle of the electric brush seat, two pairs of electric brushes are symmetrically arranged on the electric brush seats on two sides of the sleeving hole respectively, the electric brushes are arranged on the electric brushes, the end portions of the electric brushes are aligned with the sleeving hole, the access end is connected with the electric wires, and the electric wires penetrate through the two pairs of electric brushes and are connected to the electric brush seat respectively.

5. The starter rotor as recited in claim 4, wherein: the electric brush seat is provided with a deconcentrator, and the electric wire is divided into two paths through the deconcentrator and is respectively connected with the electric brushes on the two sides of the sleeving hole.