CN204706741U - The commutator segment of cold extrusion design - Google Patents
The commutator segment of cold extrusion design Download PDFInfo
- Publication number
- CN204706741U CN204706741U CN201520395683.5U CN201520395683U CN204706741U CN 204706741 U CN204706741 U CN 204706741U CN 201520395683 U CN201520395683 U CN 201520395683U CN 204706741 U CN204706741 U CN 204706741U
- Authority
- CN
- China
- Prior art keywords
- commutator
- commutator segment
- segment
- cold extrusion
- length
- 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
Links
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses the commutator segment of a kind of cold extrusion design, for in tank commutator, upper surface is provided with the crotch of two implantation commutators, the leading portion of this commutator segment body upper surface is the isosceles trapezoid that a upper base length is greater than length of going to the bottom, and back segment is the isosceles trapezoid that a length of going to the bottom is greater than upper base length; Form a dovetail groove between adjacent commutator segment when described commutator segment is arranged in grooved circulator, and an end face of this dovetail groove is cambered surface.The utility model provides the commutator segment of a kind of cold extrusion design, for the manufacturing of commutator, has the advantage improving utilization rate of raw materials and production efficiency.
Description
Technical field
The utility model relates to electrical device manufacturing field, is specifically related to a kind of commutator segment being installed on cold extrusion design on commutator and insulated from each other.
Background technology
Commutator is commonly called as commutator, is parts in order to motor can be allowed to continue to rotate down on DC permanent magnet series excitation (single phase alternating current (A.C.) series excitation) motor, is widely used in electric tool, household electrical appliance, in electric motor of automobile.
Commutator segment is most important part in commutator, and annular array on commutator is insulated from each other.
Conventional tank commutator adopts the design of blade inserting commutator segment, commutator segment is through the drawing of multiple working procedure, then punching, form various dovetail, dovetail reaches the object of the wood of combining closely with phenolic moulding powder, after reach required commutator size through punching and turnery processing, produce a lot of copper junk, raw material input ratio is more, causes the waste in production.
Utility model content
For solving the problems of the technologies described above, the utility model provides the commutator segment of a kind of cold extrusion design, for the manufacturing of commutator, has the advantage improving utilization rate of raw materials and production efficiency.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of commutator segment of cold extrusion design, for in tank commutator, upper surface is provided with the crotch of two implantation commutators, and the leading portion of this commutator segment body upper surface is the isosceles trapezoid that a upper base length is greater than length of going to the bottom, and back segment is the isosceles trapezoid that a length of going to the bottom is greater than upper base length; Form a dovetail groove between adjacent commutator segment when described commutator segment is arranged in grooved circulator, and an end face of this dovetail groove is cambered surface.
Pass through technique scheme, the commutator segment of a kind of cold extrusion design provided by the utility model, adopt cold-extrusion technology structural design, copper pipe is extruded the dovetail groove of inner various shape by cold-stamped mode, itself and phenolic moulding powder are combined closely, and profile extrusion to corresponding 7 font structures, external diameter stays a little machining allowance, and then through injection-compression molding commutator, follow-up processing through finish turning reaches required commutator size, copper material utilance is greatly improved, reduces cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.
The arrangement schematic diagram of commutator segment on commutator of a kind of cold extrusion design that Fig. 1 proposes for the utility model;
The commutator segment of a kind of cold extrusion design that Fig. 2 proposes for the utility model is for work cutaway view during commutator;
The schematic diagram of the commutator segment of a kind of cold extrusion design that Fig. 3 proposes for the utility model;
Fig. 4 is the enlarged diagram of part A in Fig. 1.
Numeral or letter representation in figure:
1, crotch A, dovetail groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figures 1 to 4, a kind of commutator segment of cold extrusion design, for in tank commutator, upper surface is provided with the crotch 1 of two implantation commutators, the leading portion of this commutator segment body upper surface is the isosceles trapezoid that a upper base length is greater than length of going to the bottom, and back segment is the isosceles trapezoid that a length of going to the bottom is greater than upper base length; Form a dovetail groove A between adjacent commutator segment when described commutator segment is arranged in grooved circulator, and an end face of this dovetail groove A is cambered surface.
The commutator segment of a kind of cold extrusion design provided by the utility model, adopt cold-extrusion technology structural design, copper pipe is extruded inner dovetail groove A by cold-stamped mode, and profile extrusion to corresponding 7 font structures, external diameter stays a little machining allowance, and then through injection-compression molding commutator, follow-up processing through finish turning reaches required commutator size, copper material utilance is greatly improved, reduces cost.
To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.
Claims (1)
1. the commutator segment of a cold extrusion design, for in tank commutator, upper surface is provided with the crotch of two implantation commutators, it is characterized in that, the leading portion of this commutator segment body upper surface is the isosceles trapezoid that a upper base length is greater than length of going to the bottom, and back segment is the isosceles trapezoid that a length of going to the bottom is greater than upper base length; Form a dovetail groove between adjacent commutator segment when described commutator segment is arranged in grooved circulator, and an end face of this dovetail groove is cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395683.5U CN204706741U (en) | 2015-06-09 | 2015-06-09 | The commutator segment of cold extrusion design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395683.5U CN204706741U (en) | 2015-06-09 | 2015-06-09 | The commutator segment of cold extrusion design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706741U true CN204706741U (en) | 2015-10-14 |
Family
ID=54286336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520395683.5U Expired - Fee Related CN204706741U (en) | 2015-06-09 | 2015-06-09 | The commutator segment of cold extrusion design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706741U (en) |
-
2015
- 2015-06-09 CN CN201520395683.5U patent/CN204706741U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204706741U (en) | The commutator segment of cold extrusion design | |
| CN105680273A (en) | Commutator segment designed in cold extrusion manner | |
| CN203636259U (en) | Welding clamp for electronic ceramic steel pin and tungsten alloy combined die | |
| CN204171744U (en) | Water pump vane fixture for slotting machine | |
| CN204450125U (en) | The two rib grinding attachment of a kind of short cylindrical inner ring | |
| CN203804300U (en) | Multi-station forming cutter | |
| CN104191051B (en) | A kind of processing special holes device and method | |
| CN204442058U (en) | Direct current machine | |
| CN105436829A (en) | Manufacturing method for direct-current motor case | |
| CN203887826U (en) | Chuck assembly on electric or pneumatic tool | |
| CN204205252U (en) | For the commutator segment of solar-cell motor | |
| CN204376154U (en) | Commutator segment on solar energy engine commutator | |
| CN204179456U (en) | A kind of commutator | |
| CN204253521U (en) | A kind of test run motor is long folder fast | |
| CN204930737U (en) | A kind of news report platform | |
| CN103962617A (en) | Multi-station forming milling cutter | |
| CN204633102U (en) | Commutator | |
| CN202495664U (en) | High-strength commutator | |
| CN204179457U (en) | Novel commutator | |
| CN203645112U (en) | Groove-type commutator copper bar workblank | |
| CN204442056U (en) | A kind of direct current machine | |
| CN203751330U (en) | Upper die structure capable of enabling surface field of magnetic tile to be in sine wave distribution | |
| CN203660806U (en) | A lower puncher pin structure which enables a magnetic shoe scalar magnetic potential to show sine waves | |
| CN205846403U (en) | Tank commutator | |
| CN205039634U (en) | Punch tablet for rotor of motor |
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: 20151014 Termination date: 20160609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |