CN202586040U - Composite carbon brush used for automobile starting motor - Google Patents
Composite carbon brush used for automobile starting motor Download PDFInfo
- Publication number
- CN202586040U CN202586040U CN 201220222416 CN201220222416U CN202586040U CN 202586040 U CN202586040 U CN 202586040U CN 201220222416 CN201220222416 CN 201220222416 CN 201220222416 U CN201220222416 U CN 201220222416U CN 202586040 U CN202586040 U CN 202586040U
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- China
- Prior art keywords
- carbon brush
- carbon
- brush
- graphite block
- carbon body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a composite carbon brush used for an automobile starting motor. The composite carbon brush comprises a left carbon body and a carbon brush conducting wire. The composite carbon brush further comprises a right carbon body. One end of the carbon brush conducting wire is connected with the left carbon body, and the other end of the carbon brush conducting wire is connected with left right carbon body. The left carbon body and the right carbon body respectively are in an interlayer structure. Connecting ends of the carbon brush conducting wire and the carbon brush are Y-shaped structures, which can well fix the carbon brush, thereby avoiding swing of the carbon brush and prolonging the service life of the carbon brush.
Description
Technical field
The utility model relates to a kind of carbon brush, in particular for the carbon brush of automobile starting motor.
Background technology
Carbon brush is the device that transmits energy or signal between standing part and the rotating part of motor or generator or other rotating machineries, when motor rotates, electric energy is flowed to coil through phase changer.Carbon brush is widely used in many electric equipments as a kind of sliding contact part.Traditional carbon brush generally is that pure carbon adds coagulating agent and processes, and external form generally is a square, and volume varies, and has lead to draw on the top.The automobile starter carbon brush is the sliding contact part of conduction current on the starter commutator, very easily wearing and tearing.Existing starter carbon brush, the link of brush lead and carbon brush are " I " types, be prone to loosening, and can not be well fixing carbon brush, carbon brush is prone to wave and damage.The thermal coefficient of expansion of existing in addition automobile starter carbon brush is lower, causes carbon brush card brush easily, causes motor commutation unstable, even produces ring fire, and the burn commutator for electric motor is surperficial, shortens the useful life of carbon brush and motor, has increased the cost of maintenance.
Summary of the invention
The purpose of the utility model provides a kind of automobile starting motor that can increase the service life and uses compound carbon brush.
For addressing the above problem, the technical scheme of the utility model is: a kind of automobile starting motor is used compound carbon brush, comprises left carbon body, brush lead; Also comprise right carbon body; One end of brush lead is connected with left carbon body, and the other end is connected with right carbon body, and left carbon body and right carbon body are respectively sandwich.
Further improvement as the utility model; Left carbon body with sandwich is made up of two identical graphite blocks and insulating barrier; Two graphite blocks are bonded together through insulating barrier; Right carbon body with sandwich is made up of two identical graphite blocks and insulating barrier, and two graphite blocks are bonded together through insulating barrier.
Further improvement as the utility model; The link of brush lead and left carbon brush and right carbon brush is " Y " type; One end divergent ends of brush lead is separately fixed on two identical graphite blocks, and other end divergent ends is separately fixed on two other identical graphite blocks.
As the further improvement of the utility model, brush lead is the copper braided wire.
To sum up, the link of the utility model brush lead and left carbon brush and right carbon brush is " Y " type, and fixing carbon brush has improved the degree of stability of carbon brush, has prolonged the useful life of carbon brush, has improved the load performance and the braking ability of actuating motor; Carbon brush has been given up the carbon brush chip architecture of common carbon brush, reduces manufacturing cost; In the middle of the carbon body, add the insulation glue-line, can improve the thermal coefficient of expansion of carbon brush, thereby improve the switching-over stability of motor.
Description of drawings
Fig. 1 is the front view of the utility model.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explanation.
As shown in Figure 1, this automobile starting motor is used compound carbon brush, comprises left carbon body 1, brush lead 3, also comprises right carbon body 2, and an end of brush lead 3 is connected with left carbon body 1, and the other end is connected with right carbon body 2, and left carbon body 1 is respectively sandwich with right carbon body 2; The left carbon body 1 of sandwich is made up of graphite block 4, graphite block 5 and insulating barrier 6; Graphite block 4 is bonded together through insulating barrier 6 with graphite block 5; The right carbon body 2 of sandwich is made up of graphite block 7, graphite block 8 and insulating barrier 9, and graphite block 7 is bonded together through insulating barrier 9 with graphite block 8; Brush lead 3 is " Y " type with the link of left carbon body 1 and right carbon body 2, and an end divergent ends of brush lead is separately fixed on graphite block 4, the graphite block 5, and other end divergent ends is separately fixed on graphite block 7, the graphite block 8.In addition, brush lead (3) is the copper braided wire, has excellent conducting performance.Carbon brush has also been given up the carbon brush chip architecture of common carbon brush, reduces manufacturing cost.
Claims (4)
1. an automobile starting motor is used compound carbon brush; Comprise left carbon body (1), brush lead (3); It is characterized in that: also comprise right carbon body (2); One end of brush lead (3) is connected with left carbon body (1), and the other end is connected with right carbon body (2), and left carbon body (1) and right carbon body (2) are respectively sandwich.
2. automobile starting motor according to claim 1 is used compound carbon brush; It is characterized in that: the left carbon body (1) of sandwich is made up of graphite block (4), graphite block (5) and insulating barrier (6); Graphite block (4) and graphite block (5) are bonded together through insulating barrier (6); The right carbon body (2) of sandwich is made up of graphite block (7), graphite block (8) and insulating barrier (9), and graphite block (7) and graphite block (8) are bonded together through insulating barrier (9).
3. automobile starting motor according to claim 1 is used compound carbon brush; It is characterized in that: said brush lead (3) is " Y " type with the link of left carbon body (1) and right carbon body (2); One end divergent ends of brush lead is separately fixed on graphite block (4), the graphite block (5), and other end divergent ends is separately fixed on graphite block (7), the graphite block (8).
4. automobile starting motor according to claim 1 is used compound carbon brush, it is characterized in that: said brush lead (3) is the copper braided wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222416 CN202586040U (en) | 2012-05-17 | 2012-05-17 | Composite carbon brush used for automobile starting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222416 CN202586040U (en) | 2012-05-17 | 2012-05-17 | Composite carbon brush used for automobile starting motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586040U true CN202586040U (en) | 2012-12-05 |
Family
ID=47255411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220222416 Expired - Fee Related CN202586040U (en) | 2012-05-17 | 2012-05-17 | Composite carbon brush used for automobile starting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586040U (en) |
-
2012
- 2012-05-17 CN CN 201220222416 patent/CN202586040U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130517 |