JPS63217953A - Commutator motor - Google Patents

Abstract

PURPOSE:To eliminate the lead wire processing work of an operator in a commutator motor by contacting the electric circuit of a control substrate with a stator coil, brushes at first and second contacts to be electrically connected. CONSTITUTION:The power terminals 45, 46 of a control substrate 43 are electrically connected via first and second contact springs 57, 58 with the coils 53, 54 of a stator 33, and a brush holder 41. Then, the lead wires 64, 65 of the other ends of the cord 62 of a cord reel 63 for containing the cord 62 having a plug 61 at the end are wired to the power terminals 45, 46 of the substrate 43 attached to a motor-driven blower 31. Thus, the motor-driven blower 31 is electrically connected via the first and second contact springs 57, 58 merely by setting the stator 33 and the holder 60 in a casing 35 and attaching the substrate 43 to the outer surface of the end of the casing 35.

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a commutator motor used in electric flushing machines and the like.

Conventional technology Conventionally, the electrical block diagram of this type of rectifier pre-charge VJ machine is as shown in the sixth figure.
It was as shown in the figure. That is, the commutator electric It
(hereinafter abbreviated as electric vJ machine) 1, a control board 2 that is remotely controlled from the outside to control the electric motor 1, and a cord reel 5 that stores a cord 4 with a plug 3 attached to the tip. , conclude as below
It was lame.

One power terminal 6 of the motor 1 is connected to the control terminal 7 of the control board 2 and the lead wire 8, and one lead l119 of the cord reel 5 is connected to the other power terminal 1G of the motor 1 and one power terminal of the control board 2. 11 and lead wire 1
In 2.13, the other lead wire 14 of the cord reel 5 is connected to the other power terminal 15 of the control board 2 and the lead wire 1
At 6, the remote control terminals 17 and 18 of the control board 2 were connected to an external switch (not shown), etc., using leads 119.20. Therefore, to explain the case where I#h111 is used as an example of a Ti electric blower for a vacuum cleaner, the assembly of the vacuum cleaner body involves attaching the electric 4g11 control base plate 2 and cord reel 5 to the vacuum cleaner body. After setting, lead wires 8, 12, 13, 16, 19, and 20 were connected.

In addition, the stator 21 housed inside the He111
Also, as shown in Figures 7 and 8, electric! 7
A brush (
terminal 27.2 of the brush holder 26 holding the
8, a coil 2 wound around the core 22 of the stator 21;
The terminal end of 3.24 was led as a lead and connected. Therefore, when assembling the electric motor 1, the stator 2
1 into the inside of the casing 25, the coil 23.24
11g8i of the motor 1, respectively, to the power terminals 6, 10.
In order to connect to the terminals 27 and 28 of the brush holder 26, a worker processed and connected the leads.

Problems to be Solved by the Invention As described above, the conventional TatlJ n 1 has many lead wires and it is difficult to mechanize the connection of the lead wires, so much of the work must be done manually, making it difficult to unmanned factories. , which was a major hindrance to automation.

The present invention solves the above problems by attaching a control board to the electric ELN, reducing the number of lead wires, reducing the need for manual labor, and facilitating automation and unmanned production. The purpose is to provide a sub-electric motor.

Means for Solving the Problems In order to solve the above problems, the present invention accommodates a stator and a rotor in a motor casing, and provides a brush holder in the casing for holding a brush that contacts the commutator of the rotor. , a control board is attached to the outer surface of the end of the casing on the side where the brush holder is provided, and the control board is connected to the end surface of the stator on the brush holder side through a communication hole bored in the end of the casing. a first contact that contacts the brush holder and electrically connects the electric circuit of the control board and the stator coil; and a second contact that contacts the brush holder and electrically connects the brush and the stator coil.
It is equipped with a contact point.

Operation With the above configuration, simply by setting the stator and brush holder in the casing and attaching the control board to the outer surface of the casing end, the electric circuit of the control board, the stator coil, and the brushes are connected via the first and second contacts. electrical connection.

Therefore, the connection by the lead wire inside the TieJR is eliminated, and if this commutator motor is applied to the electric feed P1m of the vacuum cleaner, the number of connections in the glue gland of the vacuum cleaner body is also reduced.

Example Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 1 is a cross-sectional view of the commutator motor of the present invention applied to an electric blower for a vacuum cleaner. As shown in Fig. 1, commutator electric blower (hereinafter abbreviated as electric blower F!IA machine) 3
1 connects the fan 32, the stator 33, and the rotor 34 to which the fan 32 is attached using a resin electric feeder film 131.
The rotor 3 is housed in a casing 35.
4, the air flows through the fan 3 through the intake port 37 provided in the upper casing 36, as shown by the arrow in FIG.
2 and is sent to the outside through an air guide 38 that sequentially guides the wind into the inside of the casing 35, the stator 33, and an exhaust port 40 provided in the lower casing 39.

A brush holder 41 made of a conductive material and holding a brush (not shown) that contacts the commutator of the rotor 34 is provided inside the lower casing 39, and on the outer surface of the end of the lower casing 39, As shown in FIG. 2, a pair of bosses 42 are provided, and the bosses 42
A control board 43 having an electric circuit for power control of the I131 is attached with screws 44 as shown in FIG. Further, this control board 43 is provided with power terminals 45, 46 and lead wires 47, 48 for remote control, and a cooling fan 49 to which a current control element (not shown) of the electric circuit is attached is connected to the exhaust port 40. It is located facing the.

In addition, as shown in FIG. 3, the stator 33 has a core 50 sandwiched between both ends of the core 50 by the first and second winding frames 51.52 made of resin, and From coil 53
．． 54 is wound, and both ends of the coil 53.54 are guided to a contact spring holding part 55.56 protruding from the second winding frame 52, and the first and second contact springs, which are the first and second contacts, are connected to each other. 57.
58. And stator 3
3, the first and second contact springs 57 and 58 are connected to the brush holder 4.
The first contact spring 57 is inserted into the casing 35 as shown in FIG. Conductive terminal 59 of the electrical circuit of the control board 43
The second contact spring 58 is in contact with the brush holder 41 .

With the above configuration, the power terminals 45.46 of the control board 43 are electrically connected to the coils 53.54 of the stator 33 and the brush holder 41 by the first and second contact springs 57.58, and the The circuit block diagram is the fifth
It is configured as shown in the figure. The lead wire 64.65 at the other end of the cord 62 of the cord reel 63 containing the cord 62 having a plug 61 at the tip is connected to the power terminal 45.46 of the control board 43 attached to the electric blower n31, and the switch ( Remote control lead wires 47 and 48 of the control board 43 are connected to a control device (not shown) or the like.

In this way, the electric feeder ff1l131 sets the stator 33 and the brush holder 41 inside the casing 35,
A control board 43 is mounted on the outer surface of the end of the casing 35.
Electrical connection is established by the first and second contact springs 57 and 58 just by attaching the , eliminating the need for the worker to connect the lead wires inside the electric blower v131, that is, inside the rectifying pre-current vJIl, and Also in assembling the vacuum cleaner main body, the number of lead wire connections can be reduced. Furthermore, since the first and second contact springs 57, 58 are provided on one side of the stator 33, the terminals 5LL of the coils 53, 54 of the stator 33 can be embedded automatically by a coil winding machine.

Note that the first and second contact springs 57 and 58 are connected to the stator 33.
The control board 4 is provided on the second winding frame 52 of the control board 4.
3 and brush holder 41, terminal ends of coils 53 and 54 may be connected to second winding frame 52 of stator 33, and conductive terminals may be provided with which the contact springs come into contact.

Effects of the Invention As described above, according to the present invention, by simply setting the stator and brush holder in the casing and attaching the control board to the outer surface of the end of the casing, the electric circuit of the control board, the stator coil, and the brush can be easily connected. can be brought into contact with each other at the first and second contacts to establish an electrical connection, thereby eliminating the work of handling the lead wires by the workers inside the rectifier pre-power l1 machine. Furthermore, when the rectifying and pre-charging VJ machine of the present invention is applied to the electric blower of an electric cotton remover, the assembly of the vacuum cleaner main body requires fewer lead wire connections because the control board is attached to the commutator FF21 machine. It can reduce the number of workers and greatly promote unmanned factories and automation.

[Brief explanation of the drawing]

1 to 5 show one embodiment of the present invention, and the first
The figure shows rectifying pre-current 11Jts of electric discharge machine? 2 is a bottom view of the stator, FIG. 3 is a rear plan view of the commutator electric blower 111R, FIG. 4 is a sectional view of the main parts of the contact part of the stator, and FIG. 5 Figure 6 is a circuit block diagram of a vacuum cleaner using a commutator electric blower, Figure 6 is a circuit block diagram of a conventional electric vacuum cleaner using a commutator electric blower, and Figure 7 is a stator of a conventional commutator tvJ machine. FIG. 8 is a rear plan view of the commutator electric vJIR. 31... Commutator electric feed ff111, 32... Fan, 33... Stator, 34... Rotor, 35...
Casing, 41... Brush holder, 43... Control board, 53.54... Coil, 57, 58...
...First and second contact springs, 59...4 H terminal. Agent Yoshihiro Morimoto Figure 1 J/-Sasa tJ electric waste transfer! -43-・Lutrol Kanten 41
...Brassnel! ' To the 1st Zuha Ward
Persimmon faction h heto( taste faction

Claims (1)

[Claims] 1. A stator and a rotor are housed in a motor casing,
A brush holder that holds a brush that contacts the commutator of the rotor is provided in the casing, a control board is attached to the outer surface of the end of the casing on the side where the brush holder is provided, and a control board is installed on the outer surface of the end of the casing on the side where the brush holder is provided, and a first contact that contacts the control board through a communication hole drilled in the end of the casing to electrically connect the electric circuit of the control board and the stator coil; and a first contact that contacts the brush holder to connect the brush and the stator coil. A commutator motor provided with a second contact for electrical connection with the coil. 2. The commutator motor according to claim 1, wherein the first and second contacts are constructed from contact springs or conductive terminals.