CN216819642U

CN216819642U - Starter rotor with stable voltage

Info

Publication number: CN216819642U
Application number: CN202122898497.1U
Authority: CN
Inventors: 郭周杰; 王婷
Original assignee: Changzhou Zhengheng Auto Parts Co ltd
Current assignee: Changzhou Zhengheng Auto Parts Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-24
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a starter rotor with stable voltage, which comprises an armature main body, wherein a magnetic flux lamination is arranged on the body surface of the armature main body, one end of the armature main body is connected with a commutator through a connecting frame, the other end of the armature main body is provided with an end cover, a transmission shaft connected with the armature main body is arranged at the center in the end cover, the tail end of the transmission shaft is provided with a bracket, a collecting ring is sleeved outside the transmission shaft, and two sides of the collecting ring are provided with symmetrically arranged electric brushes which are connected with a power supply box; the electric brush comprises an insulating shell, a through hole groove is formed in the center of the insulating shell, the end portion of the through hole groove is connected with the carbon brush sheet through the T-shaped frame, the starter rotor with stable voltage can be tightly abutted to the surface of the current collecting ring compared with an existing fixed starter rotor, and therefore the stability of current conduction is guaranteed, and the starter rotor has the advantages of being good in circuit stabilizing effect, high in reliability and good in safety performance.

Description

Starter rotor with stable voltage

Technical Field

The utility model relates to the field of starters, in particular to a starter rotor with stable voltage.

Background

When the engine is started, external force is required to provide initial power, the engine is traditionally started by hand, and with the development and progress of science and technology, mechanical power is widely applied to the starting of the engine, wherein the electric engine is rapidly and widely popularized due to the advantages of convenience in operation and high safety.

In the starter, under the action of a magnetic field, an electrified starter rotor rotates at a high speed to output power and drive an engine to start, so that the importance of the starter rotor is obvious, but after the starter rotor in the market operates for a long time, the problems of poor conflict and unstable voltage can occur due to abrasion, damage and the like of an electric brush.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a starter rotor with stable voltage, which aims to solve the problems of poor conflict and unstable voltage of the existing starter rotor in the market due to abrasion, damage and the like in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a starter rotor with stable voltage comprises an armature main body, wherein magnetic flux laminations are arranged on the body surface of the armature main body, one end of the armature main body is connected with a commutator through a connecting frame, an end cover is arranged at the other end of the armature main body, a transmission shaft connected with the armature main body is arranged at the center in the end cover, a bracket is arranged at the tail end of the transmission shaft, a collecting ring is sleeved outside the transmission shaft, electric brushes which are symmetrically arranged are arranged on two sides of the collecting ring, and the electric brushes are connected with a power supply box;

the electric brush comprises an insulating shell, a through hole groove is formed in the center of the insulating shell, the end portion of the through hole groove is connected with a carbon brush piece through a T-shaped frame, an elastic connection net is arranged between the carbon brush pieces, blind hole grooves are formed in the two sides of the through hole groove respectively, and an extrusion spring connected with the T-shaped frame is installed inside the blind hole grooves.

Preferably, the armature body is fixedly connected to the end shield.

Preferably, the armature body is fixedly connected with the transmission shaft, and the transmission shaft is fixedly connected with the collecting ring.

Preferably, the collecting ring is abutted against the carbon brush sheet.

Preferably, the carbon brush piece is electrically connected with the power supply box through a cable.

Preferably, the T-shaped frame and the elastic connecting net are made of insulating materials.

Preferably, the insulating shell is fixedly connected with the power supply box.

By adopting the technical scheme, the utility model has the beneficial effects that: compared with the existing fixed starter rotor, the starter rotor with stable voltage can tightly abut against the surface of the collecting ring, so that the stability of current conduction is ensured, and the starter rotor has the advantages of good circuit stabilizing effect, high reliability and good safety performance.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of a brush of the present invention.

Wherein: 1. an armature body; 2. magnetic flux lamination; 3. a connecting frame; 4. a commutator; 5. an end shield; 6. a drive shaft; 7. a collector ring; 8. a bracket; 9. an electric brush; 10. a power supply box; 901. an insulating housing; 902. a through hole slot; 903. a blind hole groove; 904. a compression spring; 905. a T-shaped frame; 906. a carbon brush sheet; 907. the elastic connecting net.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

Referring to fig. 1-2, a starter rotor with stable voltage comprises an armature body 1, magnetic flux laminations 2 are arranged on the surface of the armature body 1, one end of the armature body 1 is connected with a commutator 4 through a connecting frame 3, an end shield 5 is arranged at the other end of the armature body 1, a transmission shaft 6 connected with the armature body 1 is arranged at the center in the end shield 5, a bracket 8 is arranged at the tail end of the transmission shaft 6, a collecting ring 7 is sleeved outside the transmission shaft 6, symmetrically arranged electric brushes 9 are arranged on two sides of the collecting ring 7, and the electric brushes 9 are connected with a power supply box 10;

the brush 9 comprises an insulating shell 901, a through hole slot 902 is arranged in the center of the insulating shell 901, the end of the through hole slot 902 is connected with a carbon brush piece 906 through a T-shaped frame 905, an elastic connecting net 907 is arranged between the carbon brush pieces 906, blind hole slots 903 are respectively arranged on two sides of the through hole slot 902, and an extrusion spring 904 connected with the T-shaped frame 905 is installed inside each blind hole slot 903.

Specifically, the armature body 1 is fixedly connected with the end shield 5, so that the end shield 5 can provide protection for the enameled wire protruding from the end of the armature body 1.

Specifically, the armature body 1 is fixedly connected with the transmission shaft 6, and the transmission shaft 6 is fixedly connected with the collecting ring 7, so that the armature body 1 can be connected into a circuit through the collecting ring 7, the circuit of the device is communicated, and the armature body 1 rotates in a magnetic field.

Specifically, the collecting ring 7 and the carbon brush piece 906 are abutted together, so that the circuit can be connected through the collecting ring 7 and the carbon brush piece 906, and the carbon brush piece 906 can be circularly connected into the circuit when the collecting ring 7 rotates.

Specifically, the carbon brush piece 906 is electrically connected to the power supply box 10 through a cable, so that external power can be supplied through the power supply box 10, and the externally input power is adjusted in voltage and then is transmitted through the carbon brush piece 906.

Specifically, the T-shaped frame 905 and the elastic connection network 907 are made of insulating materials, so that the insulating performance of the device can be guaranteed, and the problem that the T-shaped frame 905 and the elastic connection network 907 are broken down by voltage to cause circuit faults is avoided, and therefore the stability of the voltage and the stability of the current are guaranteed.

Specifically, the insulating housing 901 is fixedly connected to the power supply box 10, so that the stability of the position of the brush 9 can be ensured by the power supply box 10, and the carbon brush piece 906 is abutted against the collecting ring 7 through the elastic action provided by the pressing spring 904.

The working principle is as follows: the device is arranged in a starter through a commutator 4 and a bracket 8, is connected with engine transmission equipment, is accessed with external power through a power supply box 10, regulates the voltage of the externally input power and then transmits the externally input power out through an electric brush 9, under the elastic action provided by an extrusion spring 904, a carbon brush piece 906 is abutted against a collecting ring 7, and the stable voltage output by the power supply box 10 is input into an armature body 1 through the abutment of the carbon brush piece 906 and an elastic connecting net 907, so that the armature body 1 rotates in a magnetic flux field, and the power is transmitted out through the commutator 4 to drive an engine to rotate.

The details which are not described in the present specification belong to the prior art which is well known to those skilled in the art, the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the drawings, the specific connection mode of each part adopts the conventional means of bolts, rivets, welding and the like which are mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the details which are not described in the present specification belong to the prior art which is well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A voltage stabilized starter rotor characterized by: the magnetic flux-driven armature comprises an armature body (1), wherein a magnetic flux lamination (2) is arranged on the surface of the armature body (1), one end of the armature body (1) is connected with a commutator (4) through a connecting frame (3), an end cover (5) is installed at the other end of the armature body (1), a transmission shaft (6) connected with the armature body (1) is arranged in the end cover (5), a bracket (8) is arranged at the tail end of the transmission shaft (6), a collecting ring (7) is sleeved outside the transmission shaft (6), electric brushes (9) are symmetrically arranged on two sides of the collecting ring (7), and the electric brushes (9) are connected with a power supply box (10);

the electric brush (9) comprises an insulating shell (901), a through hole groove (902) is formed in the center of the insulating shell (901), the lower end portion of the through hole groove (902) is connected with carbon brush pieces (906) through a T-shaped frame (905), an elastic connecting net (907) is arranged between every two adjacent carbon brush pieces (906), blind hole grooves (903) are formed in two sides of the through hole groove (902), and an extrusion spring (904) connected with the T-shaped frame (905) is installed inside each blind hole groove (903).

2. A voltage stabilized starter rotor according to claim 1, characterized in that: the armature body (1) is fixedly connected with the end cover (5).

3. A voltage stabilized starter rotor according to claim 1, characterized in that: the armature body (1) is fixedly connected with the transmission shaft (6), and the transmission shaft (6) is fixedly connected with the collecting ring (7).

4. A voltage stabilized starter rotor according to claim 1, characterized in that: the collector ring (7) is abutted against the carbon brush piece (906).

5. A voltage stabilized starter rotor according to claim 1, characterized in that: the carbon brush piece (906) is electrically connected with the power supply box (10) through a cable.

6. A voltage stabilized starter rotor according to claim 1, characterized in that: the T-shaped frame (905) and the elastic connecting net (907) are made of insulating materials.

7. A voltage stabilized starter rotor according to claim 1, characterized in that: the insulating shell (901) is fixedly connected with the power supply box (10).