CN216016603U - Sealing structure of wire holder of oil-cooled motor - Google Patents
Sealing structure of wire holder of oil-cooled motor Download PDFInfo
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- CN216016603U CN216016603U CN202121770275.5U CN202121770275U CN216016603U CN 216016603 U CN216016603 U CN 216016603U CN 202121770275 U CN202121770275 U CN 202121770275U CN 216016603 U CN216016603 U CN 216016603U
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- insulating sleeve
- oil
- conductive column
- wire holder
- sealing ring
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Abstract
The utility model belongs to the technical field of motor structure design, and relates to a sealing structure of a wire holder of an oil-cooled motor. The winding device comprises a conductive post (1), a first insulating sleeve (2), a second insulating sleeve (4), a first O-shaped sealing ring (5), a second O-shaped sealing ring (6), a fixing nut (3) and a winding wire outlet end (7); the sealing groove is formed in the conductive column and the insulating structure, so that the difficulty in processing and maintaining the sealing groove of the shell is avoided, and the sealing reliability is improved.
Description
Technical Field
The utility model belongs to the technical field of motor structure design, and relates to a sealing structure of a wire holder of an oil-cooled motor.
Background
At present, an aviation alternating-current generator is generally a 115V/400Hz three-phase four-wire system, so four appearance ends need to be led out to realize power output, the aviation alternating-current generator is structurally and fixedly led out through a wire holder assembly, and for an aviation oil-cooled generator, the sealing design that 4 power output wires are led out to a wire holder is very critical.
Disclosure of Invention
The purpose of the utility model is: the utility model provides an aviation oil-cooled motor double-deck sealed lead electrical pillar and stretch out structure improves sealed reliability to the seal groove does not open on the casing of generator, convenient to detach installation maintenance.
The technical scheme of the utility model is as follows: a sealing structure of a wire holder of an oil-cooled motor comprises a conductive column 1, a first insulating sleeve 2, a second insulating sleeve 4, a first O-shaped sealing ring 5, a second O-shaped sealing ring 6, a fixing nut 3 and a winding wire outlet end 7; the conductive column 1 provided with the first O-shaped sealing ring 5 is arranged in a second insulating sleeve 4 provided with a second O-shaped sealing ring 6 and then arranged in a hole of a motor shell 11 together, the first insulating sleeve 2 and a fixing nut 3 are assembled in sequence for fixing, one end of the conductive column 1 is fixed with a winding leading-out end 7, and the other end of the conductive column is fixed with an end terminal wire sheet 8.
The conductive column 1 is a columnar body with a step structure, the upper end of the conductive column is symmetrically cut with a plane, and one surface of the conductive column is fixedly attached to the end connection piece 8; the lower end is symmetrically cut with a plane in the direction perpendicular to the plane of the upper end, one surface is fixedly attached to the winding wire outlet end 7, and the first insulating sleeve 2 is arranged on the step of the conductive column 1.
The cross section of the first insulating sleeve 2 is of a T-shaped barrel-shaped structure.
The second insulating sleeve 4 is of a barrel-shaped structure, the inner circular surface structure is matched with the matching surface of the conductive column 1, and the outer circular surface is matched with the matching surface of the inner cavity of the motor shell 11.
The first O-shaped sealing ring 5 and the second O-shaped sealing ring 6 are made of cooling oil resistant rubber materials.
And a sealing groove connected with the first O-shaped sealing ring 5 is arranged on the inner cylindrical surface of the second insulating sleeve 4.
The utility model has the advantages that: the double-layer sealing structure design is provided, the sealing groove is formed in the conductive column and the insulating structure, the processing difficulty and the maintenance difficulty of the sealing groove of the shell are avoided, and meanwhile, the sealing reliability is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein: 1-conducting column 2-first insulating sleeve 3-fixing nut 4-second insulating sleeve 5-first O-shaped sealing ring 6-second O-shaped sealing ring 7-winding wire outlet end 8-terminal wiring sheet 9-wiring seat screw 10-wiring seat plastic casting piece 11-motor shell
Detailed Description
A sealing structure of a wire holder of an oil-cooled motor comprises a conductive column 1, a first insulating sleeve 2, a second insulating sleeve 4, a first O-shaped sealing ring 5, a second O-shaped sealing ring 6, a fixing nut 3 and a winding wire outlet end 7; the conductive column 1 provided with the first O-shaped sealing ring 5 is arranged in a second insulating sleeve 4 provided with a second O-shaped sealing ring 6 and then arranged in a hole of a motor shell 11 together, the first insulating sleeve 2 and a fixing nut 3 are assembled in sequence for fixing, one end of the conductive column 1 is fixed with a winding leading-out end 7, and the other end of the conductive column is fixed with an end terminal wire sheet 8.
The conductive column 1 is a columnar body with a step structure, the upper end of the conductive column is symmetrically cut with a plane, and one surface of the conductive column is fixedly attached to the end connection piece 8; the lower end is symmetrically cut with a plane in the direction perpendicular to the plane of the upper end, one surface is fixedly attached to the winding wire outlet end 7, and the first insulating sleeve 2 is arranged on the step of the conductive column 1.
The cross section of the first insulating sleeve 2 is of a T-shaped barrel-shaped structure.
The second insulating sleeve 4 is of a barrel-shaped structure, the inner circular surface structure is matched with the matching surface of the conductive column 1, and the outer circular surface is matched with the matching surface of the inner cavity of the motor shell 11.
The first O-shaped sealing ring 5 and the second O-shaped sealing ring 6 are made of cooling oil resistant rubber materials.
And a sealing groove connected with the first O-shaped sealing ring 5 is arranged on the inner cylindrical surface of the second insulating sleeve 4. Open the seal groove on leading electrical pillar 1 and second insulating cover 4, lead electrical pillar 1 and realize through first insulating cover 2, second insulating cover 4 with motor casing insulating requirement, realize double-deck sealed through installing in leading electrical pillar 1's first O type sealing washer 5 and installing in second insulating cover 4's second O type sealing washer 6. One end of the conductive column 1 is welded with the winding wire outlet end 7, and the other end is welded with the end connection piece 8. The wire holder screw 9 is embedded on the wire holder compression molding part 10 to form a wire holder assembly, and is installed on the outer circular surface of the motor shell through a screw, and the end terminal piece 8 is fixed on the wire holder assembly and is attached to the end face of the small step of the wire holder screw 9, so that the electrical connection from the winding wire outlet end to the wire holder screw is completed, and the wire leading-out of the motor wire holder is realized.
Claims (6)
1. A sealing structure of a wire holder of an oil-cooled motor is characterized by comprising a conductive column (1), a first insulating sleeve (2), a second insulating sleeve (4), a first O-shaped sealing ring (5), a second O-shaped sealing ring (6), a fixing nut (3) and a winding wire outlet end (7); the method comprises the steps that a conductive column (1) provided with a first O-shaped sealing ring (5) is arranged in a second O-shaped sealing ring (6) and a second insulating sleeve (4), the conductive column and the second O-shaped sealing ring are arranged in a hole of a motor shell (11), the first insulating sleeve (2) and a fixing nut (3) are sequentially assembled and fixed, one end of the conductive column (1) is fixed with a winding wire outlet end (7), and the other end of the conductive column is fixed with a terminal connecting piece (8).
2. The sealing structure of the wire holder of the oil-cooled motor according to claim 1, wherein the conductive column (1) is a column body with a step structure, the upper end of the column body is symmetrically cut with a plane, and one surface of the column body is attached and fixed with the end connection piece (8); the lower end and the upper end plane are symmetrically cut into planes in the vertical direction, one surface of each plane is fixedly attached to a winding wire outlet end (7), and the first insulating sleeve (2) is arranged on the step of the conductive column (1).
3. An oil-cooled motor wire holder sealing structure according to claim 1, wherein the first insulating sleeve (2) has a T-shaped barrel-like structure in cross section.
4. An oil-cooled motor wire holder sealing structure according to claim 1, wherein the second insulating sleeve (4) is a barrel-shaped structure, the inner circular surface structure is matched with the matching surface of the conductive column (1), and the outer circular surface is matched with the matching surface of the inner cavity of the motor shell (11).
5. An oil-cooled motor wire holder sealing structure according to claim 1, wherein the first and second O-rings (5, 6) are made of a cooling oil-resistant rubber material.
6. The oil-cooled motor wire holder sealing structure according to claim 1, wherein the inner cylindrical surface of the second insulating sleeve (4) is provided with a sealing groove connected with the first O-ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770275.5U CN216016603U (en) | 2021-07-30 | 2021-07-30 | Sealing structure of wire holder of oil-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770275.5U CN216016603U (en) | 2021-07-30 | 2021-07-30 | Sealing structure of wire holder of oil-cooled motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216016603U true CN216016603U (en) | 2022-03-11 |
Family
ID=80589792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121770275.5U Active CN216016603U (en) | 2021-07-30 | 2021-07-30 | Sealing structure of wire holder of oil-cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216016603U (en) |
-
2021
- 2021-07-30 CN CN202121770275.5U patent/CN216016603U/en active Active
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