CN205376990U - Commutator copper sheet - Google Patents
Commutator copper sheet Download PDFInfo
- Publication number
- CN205376990U CN205376990U CN201620138689.9U CN201620138689U CN205376990U CN 205376990 U CN205376990 U CN 205376990U CN 201620138689 U CN201620138689 U CN 201620138689U CN 205376990 U CN205376990 U CN 205376990U
- Authority
- CN
- China
- Prior art keywords
- main leaf
- leaf body
- groove
- commutator
- copper
- 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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- Powder Metallurgy (AREA)
Abstract
The utility model discloses a commutator copper sheet, by forming after the punching of copper wire rod, including the main leaf body with collude the foot, the main leaf body has a fan -shaped cross section, the lateral surface of the main leaf body be the arc surface about, the side is inclined plane, medial surface and collude the foot and meet its characterized in that: the left surface perpendicular to main leaf body direction of height of the main leaf body is equipped with many left side recesses, and the left side recess transversely runs through the left surface of the main leaf body, the right flank perpendicular to main leaf body direction of height of the main leaf body is equipped with many right side recesses, and the right side recess transversely runs through the right flank of the main leaf body. The utility model discloses in the time of can strengthening the commutator shaping and the cohesion between the phenolic moulding powder, save material reduces self weight simultaneously to effectively improve the hypervelocity performance of commutator product.
Description
Technical field:
This utility model relates to commutator topology field, is specifically related to the improvement invention of a kind of copper segment.
Background technology:
Diverter product mainly divides Hooked reverser, tank commutator and end commutator three kinds.The essential structure of the copper sheet of Hooked reverser or tank commutator is: include main leaf body and hook, main leaf body has fan shaped cross section, the lateral surface of main leaf body is arc surface, left and right side is inclined-plane, medial surface connects with hook, when diverter molding, copper segment after screening together with phenolic moulding powder pressure injection.For improving the hypervelocity performance of diverter product, first have to strengthen the adhesion between copper segment and phenolic moulding powder during diverter molding, and this is generally by improving the structure of hook of copper segment, quantity or arranging what reinforcing ring realized, rarely other method that can adopt, therefore can not better meet the rate request that electric tool is increasingly higher.
Summary of the invention:
In view of the deficiency of background technology, the purpose of this utility model aims to provide a kind of adhesion when can strengthen diverter molding and between phenolic moulding powder, saves material simultaneously and reduces own wt, thus being effectively improved the copper segment of diverter product hypervelocity performance.
This utility model has adopted the following technical scheme that:
Copper segment, formed by after copper wires punching, including main leaf body and hook, main leaf body has fan shaped cross section, the lateral surface of main leaf body is arc surface, and left and right side is inclined-plane, and medial surface connects with hook, it is characterized in that: the left surface of described main leaf body is perpendicular to main leaf body short transverse and is provided with a plurality of left groove, left groove extends transversely through the left surface of main leaf body；The right flank of described main leaf body is perpendicular to main leaf body short transverse and is provided with a plurality of right groove, and right groove extends transversely through the right flank of main leaf body.
Described left groove and right groove are symmetrical arranged.
Described left groove and right groove are triangle groove.
The copper segment of technique scheme, it is provided with left and right sides groove in the left and right side of main leaf body, the design of this left and right sides groove makes main leaf body under the premise not changing profile, first save material and reduce own wt, the more important thing is that diverter phenolic moulding powder when injection-compression molding can be sufficient filling with entering in groove and fill groove, make to be formed between phenolic moulding powder and the main leaf body of copper segment to be firmly combined, due to the enhancing of adhesion and alleviating of weight, thus being effectively increased the hypervelocity performance of diverter product, and then better meet the rate request that electric tool is increasingly higher.
Accompanying drawing illustrates:
This utility model has drawings described below:
Fig. 1 is side surface direction view of the present utility model,
Fig. 2 is the right view of Fig. 1,
Fig. 3 is the top view of Fig. 2.
Detailed description of the invention:
As shown in the figure, copper segment of the present utility model, formed by after copper wires punching, including main leaf body 1 and two hooks 2, main leaf body 1 has fan shaped cross section, and the lateral surface of main leaf body 1 is arc surface, left surface A and right flank B is inclined-plane, medial surface connects with hook 2, and the left surface A of described main leaf body is perpendicular to main leaf body 1 short transverse and is provided with a plurality of left groove 3, and left groove 3 extends transversely through the left surface A of main leaf body；The right flank B of described main leaf body is perpendicular to main leaf body 1 short transverse and is provided with a plurality of right groove 4, and right groove 4 extends transversely through the right flank B of main leaf body.Described left groove 3 and right groove 4 are symmetrical arranged.Described left groove 3 and right groove 4 are triangle groove.
Claims (3)
1. copper segment, formed by after copper wires punching, including main leaf body and hook, main leaf body has fan shaped cross section, the lateral surface of main leaf body is arc surface, and left and right side is inclined-plane, and medial surface connects with hook, it is characterized in that: the left surface of described main leaf body is perpendicular to main leaf body short transverse and is provided with a plurality of left groove, left groove extends transversely through the left surface of main leaf body；The right flank of described main leaf body is perpendicular to main leaf body short transverse and is provided with a plurality of right groove, and right groove extends transversely through the right flank of main leaf body.
2. copper segment as claimed in claim 1, it is characterised in that: described left groove and right groove are symmetrical arranged.
3. copper segment as claimed in claim 1, it is characterised in that: described left groove and right groove are triangle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138689.9U CN205376990U (en) | 2016-02-20 | 2016-02-20 | Commutator copper sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138689.9U CN205376990U (en) | 2016-02-20 | 2016-02-20 | Commutator copper sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376990U true CN205376990U (en) | 2016-07-06 |
Family
ID=56272181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620138689.9U Expired - Fee Related CN205376990U (en) | 2016-02-20 | 2016-02-20 | Commutator copper sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205376990U (en) |
-
2016
- 2016-02-20 CN CN201620138689.9U patent/CN205376990U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20170220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |