JPH0923629A - Brushless motor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize solderless assembling work of brushless motor by press- fitting a terminal to be stripped and electrically connected, press-fitted with an insulation film at the end of winding, in a receiving groove and securing the terminal in place before connecting a printed board, the terminal and a conductive pin electrically. SOLUTION: The end of a winding 5 is received in a receiving groove 3 provided at a part of insulation frame 2 of stator. An insulation coating at the end of winding 5 is then press-fitted thus press-fitting a terminal 4 to be stripped and electrically connected in the receiving groove 3 and securing the terminal 4 in place. On the other hand, a conductive pin 6 provided on a printed board 7 is inserted while being matched with the conducted terminal 4 thus connecting the winding 5 electrically with the printed board 7. This structure realizes solderless assembling work of brushless motor and eliminates deterioration of quality due to solderirng failure thus realizing automatic assembling work.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brushless electric motor.

[0002]

2. Description of the Related Art In recent years, in order to connect a printed circuit board and a winding of a brushless motor, a winding end is directly soldered to the printed circuit board or a color age pin protruding from an insulating frame is used in most cases. is there.

The structure of the stator of a conventional brushless motor will be described below. FIG. 4 is a configuration diagram of a stator portion of a conventional brushless electric motor. In FIG. 4, 10 is a stator of a brushless motor, 11 is a printed circuit board, 12 is a winding wound around the stator 10, 13 is an insulating frame (insulator) of the stator 10, and 14 is the printed circuit board 11 and the winding 12. Is a color age pin for connecting the printed circuit board 11 and the winding 12 to electrically connect the winding 12.

The assembling work in the stator portion of the brushless electric motor configured as described above will be described below. First, in order to connect the printed circuit board 11 and the winding 12, the stator 1
The printed circuit board 11 is inserted into the color age pins 14 extending from the insulating frame 13 of 0, and the worker holds the printed circuit board 11 toward the stator 10 and the winding 12 is pressed against the color age pin 14
Attach the solder 15 to the printed circuit board 11 and the winding 1
2 are connected, and the stator portion of the brushless motor is completed.

[0005]

However, in the above-mentioned conventional structure, when the solder 15 is attached to connect the winding wire 12 to the printed circuit board 11 as shown in FIG. 4, the printed circuit board is fixed in the vertical direction. Therefore, it may take a long time to float between the printed circuit board 11 and the insulating frame 13 and assembling work, and the winding 12 and the color age pin 14 may be soldered without completely removing the winding insulating coating. There is a possibility that there is also a problem with the quality after assembly.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention fixes a winding end by a terminal having a function of scraping an insulating film of a winding, and a conductive pin and a stator portion provided on a printed circuit board. It is configured to be inserted and connected to the terminal of.

[0007]

With this structure, the winding end processing, the assembling work can be facilitated, and the quality after assembling can be improved.

[0008]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a one-sided sectional view of a brushless motor according to an embodiment of the present invention. FIG. 2 is an explanatory view of the assembling work of the brushless electric motor in one embodiment of the present invention.

FIG. 3 is a block diagram of a stator portion of a brushless motor according to an embodiment of the present invention. In FIGS. 1 and 3, 1 is a stator having a winding, 2 is an insulating frame (insulator), 3 is a groove at the end of the winding, 4 is a terminal having a function of scraping the insulating coating of the winding, 5 Is a wound winding.

As shown in the figure, in the assembling work of the stator portion of the brushless electric motor, the terminal 4 is press-fitted into the deposit groove 3 from the end of the winding 5 in the deposit groove 3. The lower side of the terminal 4 has a function of scraping off the insulating film of the winding 5, and at the same time as press-fitting, the insulating film at the end of the winding 5 is scraped off so that the winding 5 and the terminal 4 are brought into conduction.

On the other hand, the conductive pin 6 is provided on the printed circuit board 7.
And the pins 6 are inserted so that the terminals 4 brought into conduction are matched with each other, and the electrical connection between the winding 5 and the printed circuit board 7 is completed.

[0013]

As described above, according to the present invention, the winding part and the printed circuit board part are separately assembled, and the terminal end of the winding process is made into a terminal, and pins are set up on the printed circuit board to connect them so as to match each other. The brushless motor can be assembled without soldering, quality problems due to defective solder can be eliminated, and at the same time automatic assembly can be performed, so that the assembling efficiency can be improved and the assembling process can be rationalized.

[Brief description of drawings]

FIG. 1 is a side sectional view of a brushless motor according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of an assembling work of a brushless electric motor according to an embodiment of the present invention.

FIG. 3 is a configuration diagram of a stator portion of a brushless electric motor according to an embodiment of the present invention.

FIG. 4 is a configuration diagram of a stator portion of a conventional brushless electric motor.

[Explanation of symbols]

 1,10 Stator 2,13 Insulation frame 3 Winding end deposit groove 4 Terminal 5,12 Winding 6 pin 7,11 Printed circuit board 14 Color age pin 15 Solder

Claims (1)

[Claims] Claims: 1. An end of a winding wound in a winding end depositing groove provided in a part of an insulating frame of a stator is deposited, and an insulating film at the end of the winding is press-fitted to cause peeling and electrical. A brushless electric motor, characterized in that a terminal to be electrically connected is press-fitted and fixed in the deposit groove, and a printed board having a conductive pin is electrically connected to the terminal and the conductive pin.