CN200953497Y - DC electric machine brush holder assembly - Google Patents
DC electric machine brush holder assembly Download PDFInfo
- Publication number
- CN200953497Y CN200953497Y CN 200620107191 CN200620107191U CN200953497Y CN 200953497 Y CN200953497 Y CN 200953497Y CN 200620107191 CN200620107191 CN 200620107191 CN 200620107191 U CN200620107191 U CN 200620107191U CN 200953497 Y CN200953497 Y CN 200953497Y
- Authority
- CN
- China
- Prior art keywords
- brush holder
- brush
- plate
- brush yoke
- inductance
- 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 relates to a brush yoke assembly of DC motor and belongs to the technical field of spare parts of DC motor. The utility model comprises a brush yoke plate fixed on a terminal cover, a brush yoke fixed on the brush yoke plate, and brushes arranged on the brush yoke. The brush yoke plate is made of epoxy plates, and beside the brush yoke are power source lug plates connected with brushes through brush pigtails. The power source lug plates are made of molded thin copper plates. Power source lines and power source lug plates are fixed with each other mechanically or through welding. With high current bearing, low producing cost, and convenient connection of leading-out lines, the utility model solves the problems that present brush yoke assembly's lines can be easily damaged; because of the high cost of foil plates, the manufacturing cost of brush yoke assembly is high as well; additionally, leading-out lines and brush yoke plate are welded together, but it is difficult to weld leading-out lines of large sections.
Description
Technical field
The utility model relates to a kind of direct current machine brush holder assembly, belongs to the technical field of direct current machine parts.
Technical background
The brush holder assembly of direct current machine generally includes brush holder plate, two or more brush, the brush holder that is used for fixing brush and lead-out wire, and the brush holder plate often adopts metal-clad plate in the prior art, and lead-out wire is beneficial to and covers paper tinsel and brush conduction on the brush holder plate.There are the following problems for said structure: can not bear big electric current, fragile circuit; Because the cost of metal-clad plate is higher, therefore caused the manufacturing cost of brush holder assembly higher simultaneously; In addition, only fixing between lead-out wire and the brush holder plate by welding, comparatively difficult for the welding of heavy in section lead-out wire.
Summary of the invention
The utility model purpose is to provide a kind of can bear big electric current, lower, the lead-out wire reliable direct current machine brush holder assembly easy to connect of manufacturing cost, and what solved existing brush holder assembly existence can bear big electric current, fragile circuit; Because the cost of metal-clad plate is higher, therefore caused the manufacturing cost of brush holder assembly higher simultaneously; In addition, only fixing between lead-out wire and the brush holder plate by welding, weld comparatively problems such as difficulty for the heavy in section lead-out wire.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: comprise the brush holder plate that is fixed on the end cap, be fixed on the brush holder on the brush holder plate and be arranged on brush on the brush holder, described brush holder plate is made of epoxy plate, the other power supply wiring sheet that is electrically connected by the brush pigtail with brush that is provided with of brush holder, described power supply wiring sheet is made of the shaping sheet copper, and is auxiliary fixing by mechanical fixation and welding between power line and the power supply wiring sheet.Adopt epoxy plate to replace metal-clad plate as lug plate, make the brush holder assembly can bear big electric current, and damaged line not as brush holder plate and shaping sheet copper, in addition, the size of current that can bear by the thickness adjustment of adjusting the moulding sheet copper; Reduced manufacturing cost, cost is higher when making wiring board with metal-clad plate, can save cost after adopting present structure, economizes on copper; Adopt mechanical fixation between electric wire and the shaping scale copper, add repair welding, solved larger cross-section electric wire welding difficult problem.Wherein, the mechanical fixation between power line and the power supply wiring sheet can adopt mechanical systems such as screw, riveted joint to fix.
As preferably, described brush holder is provided with inductance, the other brush holder plate of inductance is provided with the inductance lug plate that is electrically connected with inductance, described inductance lug plate is made of the shaping sheet copper, the inductance lug plate is other to be provided with the intermediate connection sheet that is made of the shaping sheet copper, is provided with ceramic condenser between described intermediate connection sheet and the inductance lug plate.
As preferably, described brush holder plate has sealing ring, and described lead-out wire is drawn from sealing ring, and the sealing ring inboard is provided with the absorption magnet ring corresponding to the lead-out wire place.
Therefore, the utlity model has can bear that big electric current, manufacturing cost are lower, lead-out wire characteristics such as reliable easy to connect.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, brush holder plate 6 is fixed on the end cap, brush holder plate 6 is made of epoxy plate, two brushes 11 are fixed on the brush holder plate 6 by brush holder 12 respectively, the brush holder 12 other power supply wiring sheets 9 that are electrically connected by the brush pigtail with brush 11 that are provided with, power supply wiring sheet 9 is made of the shaping sheet copper, and is auxiliary fixing by screw and welding between power line 1 and power line 3 and the power supply wiring sheet 9.Brush holder 12 is provided with inductance 10, inductance 10 other brush holder plates 6 are provided with the inductance lug plate 13 that is electrically connected with inductance 10, inductance lug plate 13 is made of the shaping sheet copper, inductance lug plate 13 sides are provided with the intermediate connection sheet 15 that is made of the shaping sheet copper, are provided with ceramic condenser 14 between intermediate connection sheet 15 and the inductance lug plate 13.Brush holder plate 6 has sealing ring 4, and lead-out wire 1, lead-out wire 2 and lead-out wire 3 are drawn from sealing ring 4, and sealing ring 4 inboards are provided with corresponding to the lead-out wire place and absorb magnet ring 5.
Claims (3)
1, a kind of direct current machine brush holder assembly, comprise the brush holder plate that is fixed on the end cap, be fixed on the brush holder on the brush holder plate and be arranged on brush on the brush holder, it is characterized in that described brush holder plate is made of epoxy plate, the other power supply wiring sheet that is electrically connected by the brush pigtail with brush that is provided with of brush holder, described power supply wiring sheet is made of the shaping sheet copper, and is auxiliary fixing by mechanical fixation and welding between power line and the power supply wiring sheet.
2, direct current machine brush holder assembly according to claim 1, it is characterized in that described brush holder is provided with inductance, the other brush holder plate of inductance is provided with the inductance lug plate that is electrically connected with inductance, described inductance lug plate is made of the shaping sheet copper, the inductance lug plate is other to be provided with the intermediate connection sheet that is made of the shaping sheet copper, is provided with ceramic condenser between described intermediate connection sheet and the inductance lug plate.
3, direct current machine brush holder assembly according to claim 1 and 2 is characterized in that described brush holder plate has sealing ring, and described lead-out wire is drawn from sealing ring, and the sealing ring inboard is provided with the absorption magnet ring corresponding to the lead-out wire place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620107191 CN200953497Y (en) | 2006-08-29 | 2006-08-29 | DC electric machine brush holder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620107191 CN200953497Y (en) | 2006-08-29 | 2006-08-29 | DC electric machine brush holder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200953497Y true CN200953497Y (en) | 2007-09-26 |
Family
ID=38811797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620107191 Expired - Fee Related CN200953497Y (en) | 2006-08-29 | 2006-08-29 | DC electric machine brush holder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200953497Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888130A (en) * | 2010-05-07 | 2010-11-17 | 许晓华 | Four-stage motor starting end cover assembly |
-
2006
- 2006-08-29 CN CN 200620107191 patent/CN200953497Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888130A (en) * | 2010-05-07 | 2010-11-17 | 许晓华 | Four-stage motor starting end cover assembly |
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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: 20070926 Termination date: 20100829 |