CN201887303U

CN201887303U - Novel carbon brush holder structure for motor

Info

Publication number: CN201887303U
Application number: CN2010206468440U
Authority: CN
Inventors: 邬拥华
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2010-11-29
Filing date: 2010-11-29
Publication date: 2011-06-29
Anticipated expiration: 2020-11-29

Abstract

The utility model provides a novel carbon brush holder structure for a motor. The novel carbon brush holder structure comprises a carbon brush holder (1) with a mounting hole (11) formed in the middle, a spring (2), a carbon brush (3), a brush wire (4) and a box cover (5), wherein a carbon brush box (6) is arranged in the carbon brush holder (1) through injection molding; pins (61) extend from the carbon brush box (6) and are arranged at an exposed terminal (610) in the carbon brush holder (1) through injection molding; an outer end opening of the carbon brush box (6) is plugged by the box cover (5); the box cover (5) is buckled on the carbon brush holder (1); the spring (2) and the carbon brush (3) are placed in the carbon brush box (6); one end of the spring (2) is pressed on the box cover (5) and the other end of the spring (2) is propped against the bottom of the carbon brush (3); the top of the carbon brush (3) extends out of the carbon brush box (6) and enters the mounting hole (11); and the brush wire (4) is in electric connection with the carbon brush (3) and the carbon brush box (6). The carbon brush holder provided by the utility model has a simple structure; as the carbon brush box is wholly arranged in the carbon brush holder through plastic encapsulation, a favorable insulating effect is ensured; and the carbon brush box serving as a mold insert can effectively prevent the carbon brush from being tightly clamped due to deformation of the carbon brush holder in high temperature.

Description

The novel carbon brush holder structure that a kind of motor is used

Technical field:

The utility model relates to the novel carbon brush holder structure that a kind of motor is used.

Background technology:

Traditional carbon brush used for electric engine shelf structure, directly inject two carbon brush cavitys, spring, carbon brush, brush electric wire are installed in the carbon brush cavity, there is following defective in its structure: 1) often surface exposed and leap connection of brush conductive lead wire at carbon brush holder, and troublesome poeration, insulating properties and fail safe are not high, special in special environment for use, it is unallowed that the carbon brush lead-in wire exposes, and for example requires the carbon brush holder compact conformation on automobile starting motor, and insulation is good.2) carbon brush holder generally is a working of plastics, can be out of shape easy stuck carbon brush under hot environment, and motor was lost efficacy; 3) be electrically connected complexity, troublesome poeration, structure is compact inadequately simple.

Summary of the invention:

The purpose of this utility model provides the novel carbon brush holder structure that a kind of motor is used, its carbon brush does not need lead-in wire, make carbon brush holder simple for structure, the whole plastic packagings of brush-box are in carbon brush holder, guarantee the good insulation performance effect, brush-box can effectively prevent owing to brush holder distortion under the high temperature causes carbon brush stuck as mold insert.

The purpose of this utility model is achieved by following technical proposals.

The novel carbon brush holder structure that a kind of motor is used, be provided with carbon brush holder, spring, carbon brush, brush electric wire and the lid of installing hole in the middle of comprising, hollow conductive brush-box is injection-moulded in the carbon brush holder, brush-box is extended with pin, pin is injection-moulded in the terminals that only expose in the carbon brush holder, the outer end opening of brush-box is by the lid shutoff, on the lid spiral-lock carbon brush holder, spring and carbon brush place in the brush-box, one end of spring is pressed on the lid, the other end withstands on the bottom of carbon brush, and the top of carbon brush is stretched out brush-box and entered installing hole, and the brush electric wire is electrically connected carbon brush and brush-box.

Above-mentioned described carbon brush has two, and distribution is arranged above and below respectively.

Above-mentioned described brush electric wire one end is electrically connected carbon brush, and the other end connects power connecting sheet, and power connecting sheet is positioned at the afterbody of brush-box, the power connecting sheet both sides stretch out support arm, the button point is protruded in the outside of support arm, and the sidewall of the afterbody of brush-box is provided with groove, and formation was electrically connected inside the button point was fastened on groove.

Be injected with some conduction inserted sheets in the above-mentioned described carbon brush holder, the edge setting of carbon brush holder patches port, and an end of conduction inserted sheet extend into and patches the port the inside, and the other end of conduction inserted sheet stretches out carbon brush holder and forms terminal.

Above-mentioned described terminal and terminals are positioned at the same one side of carbon brush holder.

Above-mentioned described terminal is positioned at the terminals next door.

Above-mentioned described some conduction inserted sheets are spaced apart and be in-line and arrange.

The utility model compared with prior art, have following effect: 1) brush-box of the present utility model is injection-moulded in the carbon brush holder, brush-box is extended with pin, pin is injection-moulded in the terminals that only expose in the carbon brush holder, the carbon brush holder outside need not lead-in wire and is connected with carbon brush, make carbon brush holder simple for structure, the whole plastic packagings of brush-box are guaranteed the good insulation performance effect in carbon brush holder; 2) the whole plastic packagings of brush-box can effectively prevent owing to brush holder distortion under the high temperature causes carbon brush stuck in brush holder; 3) be injected with some conduction inserted sheets in the carbon brush holder, the edge setting of carbon brush holder patches port, one end of conduction inserted sheet extend into and patches the port the inside, the other end of conduction inserted sheet stretches out carbon brush holder and forms terminal, the pin terminals of described terminal and brush-box are positioned at the same one side of carbon brush holder, welding job all concentrates on the same working face, makes simple to operate. need not special anchor clamps such as worker.4) described brush electric wire one end is electrically connected carbon brush, the other end connects power connecting sheet, power connecting sheet is positioned at the afterbody of brush-box, the power connecting sheet both sides stretch out support arm, the button point is protruded in the outside of support arm, and the sidewall of the afterbody of brush-box is provided with groove, and formation was electrically connected inside the button point was fastened on groove, simple in structure, easy to connect.

Description of drawings:

Fig. 1 is an angle stereogram of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a front view of the present utility model.

Fig. 4 is the A-A cutaway view of Fig. 3.

Fig. 5 is the B-B cutaway view of Fig. 4.

Fig. 6 is the C-C partial enlarged drawing of Fig. 5.

Embodiment:

Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the novel carbon brush holder structure that a kind of motor is used, be provided with the carbon brush holder 1 of installing hole 11 in the middle of comprising, spring 2, carbon brush 3, brush electric wire 4 and lid 5, hollow conductive brush-box 6 is injection-moulded in the carbon brush holder 1, brush-box 6 is extended with pin 61, pin 61 is injection-moulded in the terminals 610 that only expose in the carbon brush holder 1, the outer end opening of brush-box 6 is by lid 5 shutoff, on the lid 5 spiral-lock carbon brush holders 1, spring 2 and carbon brush 3 place in the brush-box 6, one end of spring 2 is pressed on the lid 5, the other end withstands on the bottom of carbon brush 3, the top of carbon brush 3 is stretched out brush-box 6 and is entered installing hole 11, brush electric wire 4 is electrically connected carbon brush 3 and brush-box 6, carbon brush 3 has two, distribution is arranged above and below respectively, brush electric wire 4 one ends are electrically connected carbon brush 3, the other end connects power connecting sheet 7, power connecting sheet 7 is positioned at the afterbody of brush-box 6, power connecting sheet 7 both sides stretch out support arm 71, button point 710 is protruded in the outside of support arm 71, the sidewall of the afterbody of brush-box 6 is provided with groove 62, button point 710 is fastened on groove 62 the insides and forms electrical connection, carbon brush holder is injected with some conduction inserted sheets 13 for 1 li, the edge setting of carbon brush holder 1 patches port one 2, one end of conduction inserted sheet 13 extend into and patches port one 2 the insides, and the other end of conduction inserted sheet 13 stretches out carbon brush holder 1 and forms terminal 131, and terminal 131 and terminals 610 are positioned at the same one side of carbon brush holder 1, terminal 131 is positioned at terminals 610 next doors, and some conduction inserted sheet 13 is spaced apart and be in-line and arrange.

Brush-box 6 of the present utility model is injection-moulded in the carbon brush holder 1, brush-box 6 is extended with pin 61, pin 61 is injection-moulded in the terminals 610 that only expose in the carbon brush holder 1, carbon brush holder 1 outside need not lead-in wire and is connected with carbon brush 3, make carbon brush holder 1 simple for structure, brush-box 6 whole plastic packagings are guaranteed the good insulation performance effect in carbon brush holder 1.

Claims

1. novel carbon brush holder structure that motor is used, be provided with the carbon brush holder (1) of installing hole (11) in the middle of comprising, spring (2), carbon brush (3), brush electric wire (4) and lid (5), it is characterized in that: hollow conductive brush-box (6) is injection-moulded in the carbon brush holder (1), brush-box (6) is extended with pin (61), pin (61) is injection-moulded in the terminals (610) that only expose in the carbon brush holder (1), the outer end opening of brush-box (6) is by lid (5) shutoff, on lid (5) the spiral-lock carbon brush holder (1), spring (2) and carbon brush (3) place in the brush-box (6), one end of spring (2) is pressed on the lid (5), the other end withstands on the bottom of carbon brush (3), the top of carbon brush (3) is stretched out brush-box (6) and is entered installing hole (11), and brush electric wire (4) is electrically connected carbon brush (3) and brush-box (6).

2. the novel carbon brush holder structure that a kind of motor according to claim 1 is used is characterized in that: carbon brush (3) has two, and distribution is arranged above and below respectively.

3. the novel carbon brush holder structure that a kind of motor according to claim 1 and 2 is used, it is characterized in that: brush electric wire (4) one ends are electrically connected carbon brush (3), the other end connects power connecting sheet (7), power connecting sheet (7) is positioned at the afterbody of brush-box (6), power connecting sheet (7) both sides stretch out support arm (71), button point (710) is protruded in the outside of support arm (71), and the sidewall of the afterbody of brush-box (6) is provided with groove (62), and button point (710) is fastened on the formation of groove (62) the inside and is electrically connected.

4. the novel carbon brush holder structure that a kind of motor according to claim 1 and 2 is used, it is characterized in that: carbon brush holder (1) lining is injected with some conduction inserted sheets (13), the edge setting of carbon brush holder (1) patches port (12), one end of conduction inserted sheet (13) extend into and patches port (12) the inside, and the other end of conduction inserted sheet (13) stretches out carbon brush holder (1) and forms terminal (131).

5. the novel carbon brush holder structure that a kind of motor according to claim 4 is used is characterized in that: terminal (131) and terminals (610) are positioned at the same one side of carbon brush holder (1).

6. the novel carbon brush holder structure that a kind of motor according to claim 5 is used is characterized in that: terminal (131) is positioned at terminals (610) next door.

7. the novel carbon brush holder structure that a kind of motor according to claim 5 is used is characterized in that: some conduction inserted sheets (13) are spaced apart and be in-line and arrange.