CN202034864U - Carbon powder isolation mechanism for carbon brush direct current motor - Google Patents
Carbon powder isolation mechanism for carbon brush direct current motor Download PDFInfo
- Publication number
- CN202034864U CN202034864U CN201120085688XU CN201120085688U CN202034864U CN 202034864 U CN202034864 U CN 202034864U CN 201120085688X U CN201120085688X U CN 201120085688XU CN 201120085688 U CN201120085688 U CN 201120085688U CN 202034864 U CN202034864 U CN 202034864U
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- China
- Prior art keywords
- carbon brush
- commutator
- meson
- carbon
- cover
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- 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.)
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- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses a carbon powder isolation mechanism for a carbon brush direct current motor. The carbon powder isolation mechanism comprises a motor shell, a bearing end cover, a commutator and a carbon brush cover, wherein the carbon brush cover is arranged at one end of the motor shell and is fixed by an end cover; an insulation oil-blocking meson is sleeved between the commutator and the bearing end cover; the carbon brush cover is a concave circular-shaped cover body and is provided with a center hole, the two sides of an concave inner cavity of the carbon brush cover are symmetrically provided with carbon brush sleeves, and component slots are arranged between the carbon brush sleeves; the commutator is arranged in a space surrounded by the inner side walls of the component slots, and locating slots of power-supply wiring pieces are arranged at the outer sides of the component slots; the inner diameter of the centre hole is no greater than the outer diameter of the commutator and is greater than the outer diameter of the insulation oil-blocking meson; a circle of flange is formed at the inner side of the bottom of each of the component slots; and the insulation oil-blocking meson is the bowl-shaped meson, and the bowl mouth edge extends out from the center hole, thereby forming a carbon powder isolation space among the insulation oil-blocking meson, the flanges, the end surfaces of the commutator and the inner side walls of the component slots, preventing electric conduction channels from being formed from a carbon brush, the carbon brush sleeves, the centre hole of the carbon brush cover, the bearing end cover to the motor shell to the greatest extent due to the accumulated carbon power and avoiding the potential safety hazards.
Description
Technical field
The utility model relates to a kind of carbon brush direct current machine carbon dust interrupter.
Background technology
In the prior art, carbon brush direct current machine carbon dust interrupter generally includes motor case, bearing (ball) cover, commutator, and the carbon brush that insulating material is made covers, the carbon brush lid is installed in an end of casing, and be fixed by end cap, commutator is in the carbon brush lid, and also be with the oily meson of insulation retaining between the bearing (ball) cover, there is centre bore at described carbon brush lid center, bilateral symmetry is provided with the carbon brush cover of radially conducting, become the positions of 90 degree symmetries to be provided with the penetrating power supply wiring sheet location notch that goes out the back side with the carbon brush cover, the power supply wiring sheet is to insert toward the back side from this power supply wiring sheet location notch to stretch out, the centre bore internal diameter of carbon brush lid is usually greater than the external diameter of commutator, commutator rotation and carbon brush friction during the work of carbon brush direct current machine, the carbon dust that weares and teares can be fallen carbon brush and put, the carbon brush lid is to there being certain buffer action between carbon dust and the casing, but also might fall on the bearing (ball) cover by the centre bore of carbon brush lid, and bearing (ball) cover is with the casing riveted, carbon dust is stacked into for a long time and to a certain degree will forms one from carbon brush, the carbon cover, the centre bore of carbon brush lid, bearing (ball) cover is to the conductive channel of casing, with the conduct current casing, there is potential safety hazard.
The utility model content
The technical problems to be solved in the utility model provides a kind of effectively preventing and piles up the formation conductive channel because of carbon dust, stops the carbon brush direct current machine carbon dust interrupter of potential safety hazard.
In order to solve the technical problem, the technical scheme of the utility model carbon brush direct current machine carbon dust interrupter is: comprise motor case, bearing (ball) cover, commutator, and the carbon brush that insulating material is made covers, the carbon brush lid is installed in an end of casing, and be fixed by end cap, commutator is in the carbon brush lid, and also be with the oily meson of insulation retaining between the bearing (ball) cover, described carbon brush lid is a recessed circular lid, there is centre bore at the center, its spill inner chamber bilateral symmetry is provided with the carbon brush cover of radially conducting, be provided with member slot along spill inner chamber circumferential edge between the carbon brush cover of described both sides, commutator is to be in the space of member slot madial wall encirclement, the outside in the both sides member slot, become the positions of 90 degree symmetries to be provided with the penetrating power supply wiring sheet location notch that goes out the back side with the carbon brush cover, the power supply wiring sheet is to insert toward the back side from this power supply wiring sheet location notch to stretch out, described centre bore internal diameter is not more than the external diameter of commutator, and greater than the external diameter of the oily meson of insulation retaining, form a circle flange in the member slot bottom inside, it is a bowl type meson that described insulation keeps off oily meson, its the rim of a bowl edge stretches out outward from centre bore, makes the oily meson of insulation retaining, form a carbon dust insulating space between the end face of flange and commutator and the madial wall of member slot.
One of technical scheme that the utility model is further improved is: described centre bore internal diameter is not more than the external diameter of commutator insulating barrier, and greater than the external diameter of the oily meson of insulation retaining.
Two of the technical scheme that the utility model is further improved is: the madial wall height of described member slot is higher than the maximum height of hidden element, and don't touches the hook of commutator.
The beneficial effects of the utility model are: because the utility model has improved the structure of carbon brush lid, a carbon dust insulating space that forms between the end face that having utilized insulate keeps off oily meson, flange and commutator and the madial wall of member slot, at utmost prevented to have stopped potential safety hazard because of carbon dust pile up to form centre bore from carbon brush, carbon brush cover, carbon brush lid, the bearing (ball) cover conductive channel to casing.
Description of drawings
Below in conjunction with accompanying drawing carbon brush direct current machine carbon dust interrupter of the present utility model is described in more detail.
Fig. 1 is the front view of carbon brush direct current machine carbon dust interrupter of the present utility model.
Fig. 2 is the half sectional view of Fig. 1.
Fig. 3 is that enlarged drawing is looked on the left side of Fig. 1.
Fig. 4 is a carbon brush cover cavity topology view in the carbon brush direct current machine carbon dust interrupter of the present utility model.
Fig. 5 is the top direction stereogram of carbon brush lid.
Fig. 6 is the bottom surface direction stereogram of carbon brush lid.
Fig. 7 is the side surface direction view of carbon brush lid.
Fig. 8 is that the A-A of Fig. 4 is to cutaway view.
Fig. 9 is that the B-B of Fig. 4 is to cutaway view.
Figure 10 is the broken section enlarged drawing of the carbon brush cap position of the utility model carbon brush direct current machine carbon dust interrupter.
Embodiment:
Shown in Fig. 1～10, the technical scheme of the utility model carbon brush direct current machine carbon dust interrupter is: comprise motor case 1, bearing (ball) cover 2, commutator 3, and the carbon brush that insulating material is made covers 4, carbon brush lid 4 is installed in an end of casing 1, and be fixed by end cap 2, commutator 3 is in the carbon brush lid 4, and also be with the oily meson 5 of insulation retaining between the bearing (ball) cover 2, described carbon brush lid 4 is recessed circular lids, there is centre bore 41 at the center, its spill inner chamber bilateral symmetry is provided with the carbon brush cover 42 of radially conducting, be provided with member slot 43 along spill inner chamber circumferential edge between the described both sides carbon brush cover 42, commutator 3 is to be in the space of member slot 43 madial walls encirclement, the outside in both sides member slot 43, be provided with the penetrating power supply wiring sheet location notch 44 that goes out the back side with the symmetrical position of 42 one-tenths 90 degree of carbon brush cover, the power supply wiring sheet is to insert toward the back side from this power supply wiring sheet location notch 44 to stretch out, described centre bore 41 internal diameters are not more than the external diameter of commutator 3, and greater than the external diameter of the oily meson 5 of insulation retaining, form a circle flange 45 in member slot 43 bottom inside, it is bowl type mesons that described insulation keeps off oily meson 5, its the rim of a bowl edge stretches out outward from centre bore 41, makes the oily meson 5 of insulation retaining, form a carbon dust insulating space 6 between the madial wall 46 of the end face of flange 45 and commutator 3 and member slot 43.
By shown in Figure 10, one of execution mode that the utility model is further improved is: described centre bore 41 internal diameters are not more than the external diameter of commutator 3 insulating barriers, and greater than the external diameter of the oily meson 5 of insulation retaining.
Two of the execution mode that the utility model is further improved is: the madial wall 46 of described member slot 43 highly is higher than the maximum height of hidden element, and don't touches the hook of commutator 3.
The utility model has improved the structure of carbon brush lid 4, a carbon dust insulating space 6 that forms between the end face that having utilized insulate keeps off oily meson 5, flange 45 and commutator 3 and the madial wall 46 of member slot 43, at utmost prevented to have stopped potential safety hazard because of carbon dust pile up to form centre bore 41 from carbon brush 7, carbon brush cover 42, carbon brush lid 4, bearing (ball) cover 2 conductive channel to casing 1.
The above be the utility model preferred embodiment, it does not constitute the restriction to the utility model protection range, so long as realize the purpose of this utility model with essentially identical means, all should belong to protection range of the present utility model.
Claims (3)
1. carbon brush direct current machine carbon dust interrupter, comprise motor case (1), bearing (ball) cover (2), commutator (3), and the carbon brush that insulating material is made covers (4), carbon brush lid (4) is installed in an end of casing (1), and be fixed by end cap (2), commutator (3) is in the carbon brush lid (4), and also be with insulation retaining oily meson (5) between the bearing (ball) cover (2), described carbon brush lid (4) is a recessed circular lid, there is centre bore (41) at the center, its spill inner chamber bilateral symmetry is provided with the carbon brush cover (42) of radially conducting, be provided with member slot (43) along spill inner chamber circumferential edge between the described both sides carbon brush covers (42), commutator (3) is to be in the space of member slot (43) madial wall encirclement, the outside in both sides member slot (43), be provided with the penetrating power supply wiring sheet location notch (44) that goes out the back side with the position of carbon brush cover (42) Cheng Jiushi degree symmetry, the power supply wiring sheet is to insert toward the back side from this power supply wiring sheet location notch (44) to stretch out, it is characterized in that: described centre bore (41) internal diameter is not more than the external diameter of commutator (3), and greater than the external diameter of the oily meson of insulation retaining (5), form a circle flange (45) in member slot (43) bottom inside, it is a bowl type meson that described insulation keeps off oily meson (5), its the rim of a bowl edge stretches out outward from centre bore (41), makes insulation retaining oily meson (5), form a carbon dust insulating space (6) between the madial wall of the end face of flange (45) and commutator (3) and member slot (43).
2. carbon brush direct current machine carbon dust interrupter according to claim 1 is characterized in that: described centre bore (41) internal diameter is not more than the external diameter of commutator (3) insulating barrier, and keeps off the external diameter of oily meson (5) greater than insulation.
3. carbon brush direct current machine carbon dust interrupter according to claim 1, it is characterized in that: the madial wall height of described member slot (43) is higher than the maximum height of hidden element, and don't touches the hook of commutator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120085688XU CN202034864U (en) | 2011-03-23 | 2011-03-23 | Carbon powder isolation mechanism for carbon brush direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120085688XU CN202034864U (en) | 2011-03-23 | 2011-03-23 | Carbon powder isolation mechanism for carbon brush direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034864U true CN202034864U (en) | 2011-11-09 |
Family
ID=44897148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120085688XU Expired - Fee Related CN202034864U (en) | 2011-03-23 | 2011-03-23 | Carbon powder isolation mechanism for carbon brush direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178662A (en) * | 2011-12-22 | 2013-06-26 | 罗伯特·博世有限公司 | Rectified electromotor |
-
2011
- 2011-03-23 CN CN201120085688XU patent/CN202034864U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178662A (en) * | 2011-12-22 | 2013-06-26 | 罗伯特·博世有限公司 | Rectified electromotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGMEN GLORY MICROMOTOR MANUFACTURING CO., LTD. Free format text: FORMER OWNER: JIANGMEN GLORY MOTOR LTD. Effective date: 20130418 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 529020 JIANGMEN, GUANGDONG PROVINCE TO: 529000 JIANGMEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130418 Address after: 529000 Guangdong Province, Jiangmen City Hongxing Road No. 88 Fengshan Industrial Zone No. 1 Patentee after: JIANGMEN GLORY MOTOR MANUFACTORY LTD. Address before: 529020 Guangdong Province, Jiangmen City Hongxing Road No. 88 Fengshan Industrial Zone No. 12 first floor Patentee before: Jiangmen GMJ Motor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |