CN204304655U - Medium-and-large-sized armature of direct current motor overhang insulation structure - Google Patents
Medium-and-large-sized armature of direct current motor overhang insulation structure Download PDFInfo
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- CN204304655U CN204304655U CN201420812364.5U CN201420812364U CN204304655U CN 204304655 U CN204304655 U CN 204304655U CN 201420812364 U CN201420812364 U CN 201420812364U CN 204304655 U CN204304655 U CN 204304655U
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- armature
- direct current
- current motor
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Abstract
For solving the reduction armature coil radiating effect that prior art medium-and-large-sized armature of direct current motor overhang insulation structure exists, structure is comparatively complicated, makes to make the problems such as comparatively difficult, the utility model proposes a kind of medium-and-large-sized armature of direct current motor overhang insulation structure.The utility model medium-and-large-sized armature of direct current motor overhang insulation structure, rear end annulus lays micarex, then, adopt polyester film composite insulating foil and glass fiber tape to be wound around, make micarex, polyester film composite insulating foil and glass fiber tape form insulating barrier outside the annulus of rear end.The Advantageous Effects of the utility model medium-sized armature of direct current motor overhang insulation structure is ensureing armature coil insulation against ground effect while, the cooling air flowing to armature coil when armature is rotated can cool armature coil, improves the radiating effect of armature coil.Further, structure is simple, is easy to make.
Description
Technical field
The utility model relates to medium-and-large-sized armature of direct current motor overhang insulation structure technology, is related specifically to a kind of medium-and-large-sized armature of direct current motor overhang insulation structure.
Background technology
Both sides, medium-and-large-sized direct current generator end have end and the armature clamping ring of motor winding usually, for preventing the vibrated swing in armature coil end, cause distortion or fracture, usually armature coil end is provided with armature clamping ring rear end annulus, to support armature coil end.Prior art medium-and-large-sized armature of direct current motor overhang insulation structure adopts glass-cloth board, polyester film composite insulating foil and glass-silk rope to form insulator between armature coil and armature clamping ring and rear end annulus, or respectively at armature coil and armature clamping ring with form insulator between armature coil and rear end annulus.This structure effectively can ensure the insulation against ground effect of armature coil and armature clamping ring, but because described insulator axially extends to rear end annulus from armature clamping ring, block the cooling air flowing to armature coil when armature rotates, reduce the radiating effect of armature coil.Further, the structure of insulator is comparatively complicated, makes to make comparatively difficulty.Obviously, prior art medium-and-large-sized armature of direct current motor overhang insulation structure also exists and reduces armature coil radiating effect, and structure is comparatively complicated, makes to make the problems such as comparatively difficult.
Summary of the invention
For solving the reduction armature coil radiating effect that prior art medium-and-large-sized armature of direct current motor overhang insulation structure exists, structure is comparatively complicated, makes to make the problems such as comparatively difficult, the utility model proposes a kind of medium-and-large-sized armature of direct current motor overhang insulation structure.The utility model medium-and-large-sized armature of direct current motor overhang insulation structure, rear end annulus lays micarex, then, adopt polyester film composite insulating foil and glass fiber tape to be wound around, make micarex, polyester film composite insulating foil and glass fiber tape form insulating barrier outside the annulus of rear end.
The Advantageous Effects of the utility model medium-sized armature of direct current motor overhang insulation structure is ensureing armature coil insulation against ground effect while, the cooling air flowing to armature coil when armature is rotated can cool armature coil, improves the radiating effect of armature coil.Further, structure is simple, is easy to make.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of prior art medium-and-large-sized armature of direct current motor overhang insulation structure;
Accompanying drawing 2 is A portion close-up schematic view in accompanying drawing 1;
Accompanying drawing 3 is the schematic diagram of utility model medium-and-large-sized armature of direct current motor overhang insulation structure;
Accompanying drawing 4 is B portion close-up schematic view in accompanying drawing 3.
Below in conjunction with the drawings and specific embodiments, utility model medium-and-large-sized armature of direct current motor overhang insulation structure is further described.
Detailed description of the invention
Accompanying drawing 1 is the schematic diagram of prior art medium-sized armature of direct current motor overhang insulation structure, accompanying drawing 2 is A portion close-up schematic view in accompanying drawing 1, in figure, 1 is armature coil, and 2 is armature clamping ring, and 3 is rear end annulus, 4 is insulator, 41 is glass-cloth board, and 42 is polyester film composite insulating foil, and 43 is glass-silk rope.As seen from the figure, prior art medium-sized armature of direct current motor overhang insulation structure adopts glass-cloth board 41, polyester film composite insulating foil 42 and glass-silk rope 43 to form insulator 4 between armature coil 1 and armature clamping ring 2 and rear end annulus 3, or respectively at armature coil 1 and armature clamping ring 2 with form insulator 4 between armature coil 1 and rear end annulus 3.This structure effectively can ensure the insulation against ground effect of armature coil and armature clamping ring, but because described insulator axially extends to rear end annulus from armature clamping ring, block the cooling air flowing to armature coil when armature rotates, reduce the radiating effect of armature coil.Further, the structure of insulator is comparatively complicated, makes to make comparatively difficulty.Obviously, prior art medium-sized armature of direct current motor overhang insulation structure also exists and reduces armature coil radiating effect, and structure is comparatively complicated, makes to make the problems such as comparatively difficult.
Accompanying drawing 3 is the schematic diagram of utility model medium-and-large-sized armature of direct current motor overhang insulation structure, accompanying drawing 4 is B portion close-up schematic view in accompanying drawing 3, in figure, 1 is armature coil, and 2 is armature clamping ring, and 3 is rear end annulus, 5 is insulating barrier, 51 is micarex, and 52 is polyester film composite insulating foil, and 53 is glass fiber tape.As seen from the figure, the utility model medium-and-large-sized armature of direct current motor overhang insulation structure, rear end annulus 3 is laid micarex 51, then, adopt polyester film composite insulating foil 52 and glass fiber tape 53 to be wound around, make micarex 51, polyester film composite insulating foil 52 and glass fiber tape 53 form insulating barrier outside rear end annulus 3.Although the utility model medium-sized armature of direct current motor overhang insulation structure only carries out insulation processing to rear end annulus, but because armature coil and armature clamping ring itself is separated with certain space length mutually, and, can not be touched by when the arch brace of rear end at armature coil, therefore, armature coil insulation effect over the ground can be ensured completely, because the utility model medium-sized armature of direct current motor overhang insulation structure only has insulating barrier in rear end annulus arranged outside, the cooling air flowing to armature coil when armature is rotated can cool armature coil, improve the radiating effect of armature coil.Further, make insulation layer structure simple, and be easy to make.
Obviously, the Advantageous Effects of the utility model medium-and-large-sized armature of direct current motor overhang insulation structure is ensureing armature coil insulation against ground effect while, the cooling air flowing to armature coil when armature is rotated can cool armature coil, improves the radiating effect of armature coil.Further, structure is simple, is easy to make.
Claims (1)
1. a medium-and-large-sized armature of direct current motor overhang insulation structure, it is characterized in that, rear end annulus lays micarex, then, adopt polyester film composite insulating foil and glass fiber tape to be wound around, make micarex, polyester film composite insulating foil and glass fiber tape form insulating barrier outside the annulus of rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812364.5U CN204304655U (en) | 2014-12-18 | 2014-12-18 | Medium-and-large-sized armature of direct current motor overhang insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812364.5U CN204304655U (en) | 2014-12-18 | 2014-12-18 | Medium-and-large-sized armature of direct current motor overhang insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304655U true CN204304655U (en) | 2015-04-29 |
Family
ID=53110165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420812364.5U Expired - Fee Related CN204304655U (en) | 2014-12-18 | 2014-12-18 | Medium-and-large-sized armature of direct current motor overhang insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022246669A1 (en) * | 2021-05-25 | 2022-12-01 | 浙江德威电机有限公司 | Efficient starting motor with built-in reinforcing ring |
-
2014
- 2014-12-18 CN CN201420812364.5U patent/CN204304655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022246669A1 (en) * | 2021-05-25 | 2022-12-01 | 浙江德威电机有限公司 | Efficient starting motor with built-in reinforcing ring |
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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: 20150429 Termination date: 20211218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |