WO1998054820A1 - Porte-balais - Google Patents
Porte-balais Download PDFInfo
- Publication number
- WO1998054820A1 WO1998054820A1 PCT/JP1997/001767 JP9701767W WO9854820A1 WO 1998054820 A1 WO1998054820 A1 WO 1998054820A1 JP 9701767 W JP9701767 W JP 9701767W WO 9854820 A1 WO9854820 A1 WO 9854820A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brush
- brush holding
- hole
- lead
- substrate
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/148—Slidably supported brushes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
- H01R39/385—Means for mechanical fixation of the brush holder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
- H01R39/40—Brush holders enabling brush movement within holder during current collection
Definitions
- the present invention relates to an improvement in a brush holding device used for a DC motor.
- a conventional brush holding device used in a DC motor is described, for example, in Japanese Utility Model Laid-Open No. 3-186658.
- the configuration of this conventional brush holding device will be described below with reference to FIGS.
- This brush holding device includes a pair of brush holding frames 2a and 2b on one side and a pair of brush holding frames 3a and 3b on the + side fixed to a substrate 4.
- the substrate 4 is formed in an annular shape from a steel plate, and the commutator 1 is inserted into the center hole 4a.
- the substrate 4 is provided with a plurality of positioning holes 20. Further, a plurality of claws 21 are provided on a part of the substrate 4 by press working.
- the brush holding frames 2a, 2b, 3a, 3b are molded with an insulating synthetic resin.
- brush insertion holes 22 are provided from the one end to the other end so as not to penetrate the other end.
- a pair of flange portions 23 are provided so as to extend outward from lower ends of both side surfaces, respectively.
- a locking hole 24 is provided in each of the pair of flange portions 23.
- a lead extraction groove 25 is provided on one side surface from one end to the other end so as to communicate the brush insertion hole 22 with the outside.
- a plurality of positioning projections 26 are provided on the bottom surface, and a plurality of heat radiation holes 27 are provided.
- the lead extraction grooves 25 It is configured in the same manner as the above-mentioned brush holding frames 2a and 3b, except that it is provided so that the brush insertion hole 22 communicates with the outside from one end side to the other end side of the surface. ing.
- These brush holding frames 2a, 2b, 3a, and 3b insert the projections 26 into the positioning holes 20 so that the claws 21 pass through the locking holes 24, and The tip side of the nail 21 protruding from the blind hole 24 is bent and fixed on the substrate 4.
- the brush holding frame 2a, 2b, 3a, 3b is such that the opening side of each brush insertion hole 2 2 faces the center hole 4a of the substrate 4, and the center of the brush insertion hole 2 2 is It is fixed on the substrate 4 so as to pass through the center of the center hole 4 a of the substrate 4.
- the protrusion 26 is inserted into the positioning hole 20 to restrict the movement of the brush holding frames 2a, 2b, 3a, 3b in the radial and rotational directions.
- the claws 21 for fixing the brush holding frames are bent in opposite directions in the radial direction to prevent the brush holding frames from coming off in the axial direction.
- the brushes 5a and 5b on one side pass the leads 7a and 7b on one side through the lead drawing groove 25 and are inserted into the brush insertion holes 22 of the brush holding frames 2a and 2b, respectively.
- the + side brushes 6a and 6b pass the + side leads 8a and 8b through the lead outlet grooves 25, and are inserted into the brush insertion holes 22 of the brush holding frames 3a and 3b, respectively.
- the brushes 5 a, 5 b, 6 a, and 6 b are rectified through the center hole 4 a of the substrate 4 by the urging force of the brush springs 9 provided in the brush insertion holes 22. It is in contact with the outer peripheral surface of the child 1.
- One-side leads 7a and 7b connected to the negative brushes 5a and 5b are connected to the substrate 4 by welding or the like and grounded.
- the + side leads 8a, 8b connected to the + side brushes 6a, 6b are connected to a power supply (not shown) via the connector 11.
- the positive leads 8a and 8b are covered with an insulating tube 10 in order to prevent an electrical short circuit with the substrate 4.
- This brush holding device is attached to an end bracket of a DC motor using a screw hole 12 provided in the substrate 4.
- the present invention has been made in order to solve the above-described problems, and has a structure in which the brush holding frame can be applied regardless of the direction in which the lead is pulled out.
- An object of the present invention is to provide a brush holding device that can prevent the occurrence of operation failure.
- the brush holding device according to the present invention is a brush insertion device which is made of a steel plate and has a through hole through which a commutator is inserted, and which is made of an insulating synthetic resin and has an opening at one end and a closing at the other end. A hole is provided, and a lead extraction groove is provided on both side surfaces so that the brush insertion hole communicates with the outside from one end side to the other end side.
- the plurality of brush holding frames fixed to the substrate and the leads fixed to the side portions are arranged in such a manner as to face the holes, and so that the direction of the holes of the brush insertion holes faces the center of the holes of the through holes.
- Hole hole center It is obtained by a plurality of Burashipane that biases.
- FIG. 1 is a plan view showing a brush holding device according to Embodiment 1 of the present invention.
- FIG. 2 is a front view showing a brush holding frame applied to the brush holding device according to the first embodiment of the present invention
- FIG. 3 is a perspective view of a main part showing a method for mounting a brush holding frame in the brush holding device according to the first embodiment of the present invention
- FIG. 4 is a plan view showing a conventional brush holding device.
- FIG. 5 is a front view showing one brush holding frame applied to the conventional brush holding device
- FIG. 6 is a front view showing the other brush holding frame applied to the conventional brush holding device
- FIG. 7 is a conventional brush holding device. It is a principal part perspective view which shows the attachment method of the brush holding frame in a holding device.
- FIG. 1 is a plan view showing a brush holding device according to Embodiment 1 of the present invention
- FIG. 2 is a front view showing a brush holding frame applied to the brush holding device according to Embodiment 1 of the present invention
- FIG. 3 is a perspective view of a main part showing a method for attaching a brush holding frame in the brush holding device according to the first embodiment of the present invention.
- This brush holding device is configured such that a pair of brush holding frames 30a and 30b on one side and a pair of brush holding frames 31a and 31b on the + side are fixed on a substrate 4.
- the substrate 4 is formed in an annular shape from a steel plate, and the commutator 1 is inserted into a center hole 4a as a through hole.
- the substrate 4 is provided with a plurality of positioning holes 20. Further, a plurality of claws 21 are provided on a part of the substrate 4 by press working.
- These brush holding frames 30a, 30b, 31a and 31b are molded with insulating synthetic resin, and as shown in Fig. Two Are provided from the one end side to the other end side so as not to penetrate the other end side. Further, a pair of flange portions 23 are provided so as to extend outward from the lower ends of both side surfaces, respectively. A locking hole 24 is provided in each of the pair of flange portions 23. In addition, lead extraction grooves 25 are provided on both side surfaces from one end side to the other end side so as to communicate the brush insertion hole 22 with the outside. Further, a plurality of positioning projections 26 are provided on the bottom surface. Further, a plurality of heat radiating holes 27 are provided.
- These brush holding frames 30a, 30b, 31a, and 31b insert the projections 26 into the positioning holes 20 so that the claws 21 pass through the locking holes 24. Then, the tip side of the nail 21 protruding from the locking hole 24 is bent and fixed on the substrate 4. At this time, the brush holding frame 30a, 30b, 31a.31b has the opening side of each brush insertion hole 22 facing the center hole 4a of the substrate 4, and the brush insertion hole 22 Is fixed on the substrate 4 so that the center of the hole passes through the center of the center hole 4 a of the substrate 4.
- the projection 26 is inserted into the positioning hole 20 to restrict the movement of the brush holding frames 30a, 30b, 31a, and 31b in the radial and rotational directions. Further, the claws 21 for fixing the brush holding frames are bent in opposite directions in the radial direction, so that the brush holding frames are prevented from coming off in the axial direction.
- one lead 7a, 7b is connected to the back side of the negative brush 5a, 5b, and the positive lead 8a, 8b is connected to the positive brush 6a, 6 b Connected to the rear end side.
- the brushes 5a and 6b pass the leads 7a and 8b through the lead lead-out groove 25 on the left side when viewed from one end (front) of the brush holding frame 30a and 31b.
- the brushes 5b and 6a insert the leads 7b and 8a into the right lead-out grooves 25 on the right side when viewed from one end (front) of the brush holding frame 30b and 31a.
- Hole 22 is inserted.
- the brushes 5a, 5b, 6a, and 6b are passed through the center hole 4a of the substrate 4 by the urging force of the brush springs 9 provided in the brush insertion holes 22. It is in contact with the outer peripheral surface of commutator 1.
- the -side leads 7a, 7b connected to the brushes 5a, 5b on one side are connected to the substrate 4 by welding or the like and grounded.
- the + side brushes 6a, 6b are connected
- the + leads 8a and 8b are connected to a power supply (not shown) via a connector 11.
- the + -side leads 8a and 8b are covered with an insulating tube 10 to prevent an electrical short circuit with the substrate 4.
- This brush holding device is attached to an end bracket of a DC motor using a screw hole 12 provided in the substrate 4.
- the brush holding frames 30 a, 30 b, 31 a, and 31 b have lead extraction grooves 25 on both sides from one end to the other end.
- the brush insertion hole 22 is provided so as to communicate with the outside, so that the leads can be pulled out to the left and right sides as viewed from the front of the brush holding frame.
- one type of brush holding frame having the same shape can be used as the brush holding frames 30a, 30b, 31a, and 31b.
- the formed brush holding frame can be stored collectively. Furthermore, there is no need to select a brush holding frame according to the lead pull-out direction.
- the lead extraction groove is provided on each of both side surfaces of the brush holding frame from one end to the other end so as to communicate the brush insertion hole with the outside.
- One type of brush holding frame can be used regardless of the pull-out direction of one door.
- the formed brush holding frame can be stored collectively, the number of parts can be reduced, and parts management can be simplified.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/001767 WO1998054820A1 (fr) | 1997-05-26 | 1997-05-26 | Porte-balais |
EP97922176A EP0986163A4 (en) | 1997-05-26 | 1997-05-26 | BRUSH HOLDER |
US09/367,915 US6246145B1 (en) | 1997-05-26 | 1997-05-26 | Brush holder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/001767 WO1998054820A1 (fr) | 1997-05-26 | 1997-05-26 | Porte-balais |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998054820A1 true WO1998054820A1 (fr) | 1998-12-03 |
Family
ID=14180577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/001767 WO1998054820A1 (fr) | 1997-05-26 | 1997-05-26 | Porte-balais |
Country Status (3)
Country | Link |
---|---|
US (1) | US6246145B1 (ja) |
EP (1) | EP0986163A4 (ja) |
WO (1) | WO1998054820A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2350728A (en) * | 1999-04-20 | 2000-12-06 | Bosch Gmbh Robert | Preventing dust jamming commutator brushes in a hand-held machine tool |
EP1620933A2 (en) * | 2003-02-26 | 2006-02-01 | Black & Decker, Inc. | End cap and brush box assembly |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002262507A (ja) * | 2001-02-28 | 2002-09-13 | Mitsuba Corp | 電動モータの外部接続構造 |
EP2128964A3 (en) * | 2001-12-18 | 2017-05-17 | Cutsforth Products Inc. | Brush holder apparatus, brush assembly and method |
US20030151322A1 (en) * | 2002-02-07 | 2003-08-14 | Jesus Fernandez-Grandizo Martinez | Motor mounting base |
JP3967191B2 (ja) * | 2002-05-10 | 2007-08-29 | 株式会社ショーワ | 電動モータ装置 |
US6774530B2 (en) * | 2002-06-07 | 2004-08-10 | Briggs & Stratton Corporation | Winding assemblies for electrical machines |
GB0228010D0 (en) * | 2002-11-30 | 2003-01-08 | Johnson Electric Sa | End cap assembly |
US7466056B2 (en) * | 2006-10-06 | 2008-12-16 | Remi International, Inc | Dynamoelectric machine brush holder assembly and method |
US7696666B2 (en) * | 2006-10-06 | 2010-04-13 | Remy Technologies, L.L.C. | Dynamoelectric machine grommet |
US20080084133A1 (en) * | 2006-10-06 | 2008-04-10 | Steven Burton | Dynamoelectric machine brush and method |
US7705512B2 (en) * | 2006-10-06 | 2010-04-27 | Remy International, Inc. | Dynamoelectric machine conductor |
US8922092B2 (en) | 2011-03-07 | 2014-12-30 | Cutsforth, Inc. | Brush holder assembly with quick disconnect terminal |
WO2016148913A1 (en) * | 2015-03-17 | 2016-09-22 | Labinal Power Systems | Starter-generator brush |
CN116802948A (zh) | 2020-11-04 | 2023-09-22 | 科茨福斯有限公司 | 刷架组件 |
US11996664B2 (en) | 2020-12-01 | 2024-05-28 | Cutsforth, Inc. | Brush holder assembly |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5870073U (ja) * | 1981-11-05 | 1983-05-12 | 三菱電機株式会社 | 直流機のブラシ保持装置 |
JPS6383969U (ja) * | 1986-11-21 | 1988-06-01 | ||
JPH0560154U (ja) * | 1991-12-27 | 1993-08-06 | アスモ株式会社 | ブラシホルダ |
JPH07322559A (ja) * | 1994-05-20 | 1995-12-08 | Mitsuba Electric Mfg Co Ltd | モータのブラケット構造 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355253A (en) * | 1981-02-27 | 1982-10-19 | Briggs & Stratton Corp. | Combination end bell and brush holder for a dynamoelectric machine |
JPS5870073A (ja) | 1981-10-21 | 1983-04-26 | Matsushita Electric Ind Co Ltd | エンジン駆動圧縮機 |
JPS6383969A (ja) | 1986-09-29 | 1988-04-14 | Toshiba Corp | ビデオテ−プレコ−ダにおける音声デイジタル記録再生装置 |
KR900009965Y1 (ko) * | 1986-10-31 | 1990-10-22 | 미쯔비시 덴끼 가부시끼가이샤 | 브러시 장치 |
JPH0640462Y2 (ja) * | 1987-03-04 | 1994-10-19 | 三菱電機株式会社 | ブラシ装置 |
US4965478A (en) * | 1988-09-02 | 1990-10-23 | Mitsuba Electric Mfg. Co., Ltd. | DC motor with a durable pigtail arrangement |
JPH0318658A (ja) | 1989-06-15 | 1991-01-28 | Suzuki Motor Corp | ガスエンジンの燃料制御装置 |
JPH0318658U (ja) | 1989-06-28 | 1991-02-25 | ||
JPH0560154A (ja) | 1991-09-03 | 1993-03-09 | Toyoda Mach Works Ltd | 駆動力伝達装置 |
EP0706727B1 (en) * | 1994-04-28 | 1998-06-17 | Siemens Canada Limited | Brush holder assembly |
US5717271A (en) * | 1995-01-27 | 1998-02-10 | Mitsuba Corporation | Brush holder device and method of molding same |
JP3486094B2 (ja) * | 1998-03-23 | 2004-01-13 | 三菱電機株式会社 | 電動機用ブラシ保持装置とその装置におけるブラシ保持枠の組付方法 |
US6144134A (en) * | 1999-10-15 | 2000-11-07 | Lin; Shoei-Cherng | Structure hidden mount for electric motor carbon brushes |
-
1997
- 1997-05-26 US US09/367,915 patent/US6246145B1/en not_active Expired - Lifetime
- 1997-05-26 EP EP97922176A patent/EP0986163A4/en not_active Withdrawn
- 1997-05-26 WO PCT/JP1997/001767 patent/WO1998054820A1/ja not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5870073U (ja) * | 1981-11-05 | 1983-05-12 | 三菱電機株式会社 | 直流機のブラシ保持装置 |
JPS6383969U (ja) * | 1986-11-21 | 1988-06-01 | ||
JPH0560154U (ja) * | 1991-12-27 | 1993-08-06 | アスモ株式会社 | ブラシホルダ |
JPH07322559A (ja) * | 1994-05-20 | 1995-12-08 | Mitsuba Electric Mfg Co Ltd | モータのブラケット構造 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0986163A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2350728A (en) * | 1999-04-20 | 2000-12-06 | Bosch Gmbh Robert | Preventing dust jamming commutator brushes in a hand-held machine tool |
EP1620933A2 (en) * | 2003-02-26 | 2006-02-01 | Black & Decker, Inc. | End cap and brush box assembly |
EP1620933A4 (en) * | 2003-02-26 | 2010-11-03 | Black & Decker Inc | END CAP AND BRUSH BOX ASSEMBLY |
Also Published As
Publication number | Publication date |
---|---|
EP0986163A1 (en) | 2000-03-15 |
EP0986163A4 (en) | 2001-03-21 |
US6246145B1 (en) | 2001-06-12 |
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