WO2008001689A1 - Moteur avec balai - Google Patents

Moteur avec balai Download PDF

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Publication number
WO2008001689A1
WO2008001689A1 PCT/JP2007/062599 JP2007062599W WO2008001689A1 WO 2008001689 A1 WO2008001689 A1 WO 2008001689A1 JP 2007062599 W JP2007062599 W JP 2007062599W WO 2008001689 A1 WO2008001689 A1 WO 2008001689A1
Authority
WO
WIPO (PCT)
Prior art keywords
brush
motor
yoke
brush holder
stay
Prior art date
Application number
PCT/JP2007/062599
Other languages
English (en)
Japanese (ja)
Inventor
Keiichi Hosoi
Masato Iwata
Masaki Taguchi
Original Assignee
Mitsuba Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsuba Corporation filed Critical Mitsuba Corporation
Priority to JP2008522540A priority Critical patent/JP5044552B2/ja
Publication of WO2008001689A1 publication Critical patent/WO2008001689A1/fr

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
    • 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
    • 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
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Definitions

  • the present invention relates to an electric motor using a brush, and more particularly to a fixing structure of a brush holder stage that houses and holds a brush.
  • FIG. 10 shows a first method (Patent Document 1)
  • FIG. 11 shows a second method (Patent Document). The fixed structure according to 2) is shown.
  • the brush holder stage is fixed to the end bracket by a fixing member such as a rivet.
  • a fixing member such as a rivet.
  • the brush holder stage 51 is fixed to the end bracket 53 by a rivet 52.
  • a brush 54 is accommodated and held in the brush holder stage 51, and is attached to the end of a motor yoke (not shown) together with the end bracket 53.
  • the brush holder stage is sandwiched between the yoke and the end bracket.
  • the brush holder stage 55 is sandwiched between the yoke 56 and the end bracket 57.
  • a brush 58 is received and held in the brush holder stage 55, and is fixed between the yoke end bracket when the end bracket 57 is attached to the yoke 56.
  • Patent Document 1 Japanese Utility Model Publication No. 61-129453
  • Patent Document 2 Japanese Patent Laid-Open No. 2003-9456
  • the second fixing method as shown in FIG. 11 does not require a separate fixing member, but over time, the synthetic resin brush holder stage 55 creeps and loosens the attachment. May cause play.
  • a heat source such as an engine
  • a motor for a fan for cooling a car radiator are prone to heat shrinkage and creep deformation, and measures against mounting backlash have been required.
  • in-vehicle motors are constantly subjected to vibration during operation, so if play occurs due to creep deformation, there is also a problem with durability.
  • An object of the present invention is to fix the brush holder stay in the motor without separately using a fixing member such as a rivet, and to cause mounting play even if the brush holder stays deformed with time. There is no need to provide a fixing structure for the brush holder stage.
  • a motor with a brush includes a cylindrical yoke, a plurality of magnets mounted in the yoke, and a magnet holder that is disposed between the magnets and holds the magnet in a predetermined position.
  • a stator fixed to the rotating shaft and rotatably disposed in the stator, a commutator fixed to the rotating shaft and electrically connected to the armature, and a brush slidably contacting the commutator;
  • the magnet holder is provided with a brush holder stage fixing portion capable of holding one in the motor.
  • a brush holder stay fixing portion is provided in a magnet holder that is also present in a conventional motor, and the brush holder stage fixing portion is brought into contact with the brush holder stage, so that the brush Hold the holder stage in the motor.
  • This increases the number of parts Therefore, the brush holder stage can be fixed in the yoke without backlash, and the product cost can be reduced. Further, since the brush holder stage is not fixed between the yoke and the end bracket, the brush holder stage is not loosely attached due to creep deformation or the like, and the durability can be improved.
  • an extending portion that extends along the axial direction and is inserted into the yoke is provided in the brush holder stage, and the brush holder stage fixing portion is brought into contact with the extending portion.
  • the extending portion may be sandwiched between the brush holder stage fixing portion and the yoke inner peripheral surface.
  • a protrusion that contacts the inner peripheral surface of the yoke may be provided on the outer peripheral surface side of the extending portion.
  • an extension portion that extends along the axial direction and is inserted into the yoke is provided in the brush holder stage, and the brush holder stage fixing portion is provided as the extension portion. It may be in contact with the outer peripheral surface of the part.
  • a flat portion may be provided on the side of the extending portion that contacts the brush holder stage fixing portion.
  • the plane portion may be arranged at a position corresponding to the advance angle setting of the motor.
  • the brush holder stage is formed with a peripheral wall fitted to the inner peripheral portion of the yoke end surface, and formed on the inner peripheral side of the peripheral wall in the central direction.
  • a contact surface extending by force, and the brush holder stay fixing portion is connected to the peripheral wall and the contact surface. Either one or both of them may be brought into contact.
  • the brush holder stage fixing portion may be made to abut on the brush holder stage.
  • the brush holder stage fixing part may be formed in a cantilevered plate spring shape, and an adjustment hole for adjusting the elastic force of the brush holder stage fixing part may be provided in the center thereof.
  • the magnet holder mounted in the yoke is provided with the brush holder stage fixing portion that contacts the brush holder stage and can hold the brush holder stage in the motor.
  • the brush holder stage can be held in the motor by using a magnet holder that is also present in a conventional motor. For this reason, the brush holder stage without increasing the number of parts can be fixed in the yoke without backlash, and the product cost can be reduced. Further, in the brush motor of the present invention, it is not necessary to fix the brush holder stage between the yoke and the end bracket, so that the attachment of the brush holder stage is loosened due to thermal contraction or tape deformation. It can be prevented, and durability can be improved.
  • FIG. 1 is a cross-sectional view showing a configuration of a brushed motor that is Embodiment 1 of the present invention.
  • FIG. 2 is an explanatory view showing a configuration of a brush holder stage.
  • FIG. 3 is an exploded perspective view showing a configuration of a stay fixing portion.
  • FIG. 4 is an enlarged sectional view of a stay fixing portion.
  • FIG. 5 is a front view of a stay fixing portion.
  • FIG. 6 is a plan view of a magnet honoreda.
  • FIG. 7 is an explanatory view showing a contact position with a flat portion of the stay pressing claw.
  • FIG. 8 is an explanatory view showing a configuration of a stay fixing portion of a brushed motor that is Embodiment 2 of the present invention.
  • FIG. 9 is an explanatory view showing the structure of the stay fixing portion of the brushed motor that is Embodiment 3 of the present invention. It is.
  • FIG. 10 is an explanatory view showing a fixing structure (first method) of a brush holder stage in a conventional motor with a brush.
  • FIG. 11 is an explanatory view showing a fixing structure (second method) of a brush holder stage in a conventional motor with a brush.
  • FIG. 1 is a cross-sectional view showing a configuration of a brushed motor that is Embodiment 1 of the present invention.
  • a motor 1 in FIG. 1 is a DC motor with a brush in which an armature 3 is rotatably arranged in a stator 2, and supplies current to the armature 3 through the brush 4.
  • the motor 1 is used as a drive source for a fan for cooling a car radiator.
  • a cooling fan 6 is attached to the rotating shaft 5 of the motor 1, and when the motor 1 is driven, the cooling fan 6 rotates. The cooling air generated with the rotation of the cooling fan 6 is supplied to a radiator (not shown) to cool the radiator.
  • the stator 2 includes a bottomed cylindrical yoke 7 and a plurality (four in this case) of magnets 8 fixed to the yoke inner peripheral surface 7a.
  • Four metal magnet holders 9 are fixed to the yoke inner peripheral surface 7a.
  • the magnet holders 9 are equally arranged along the circumferential direction, and each magnet 8 is placed at a predetermined position on the yoke inner peripheral surface 7a by the magnet holder 9.
  • Arrangement 'fixed' On the other hand, the left end of the yoke 7 in the drawing is open, and the end bracket 11 is attached to the opening.
  • Bearings 12a and 12b are respectively attached to the center of the end bracket 11 and the center of the right end of the yoke 7 in the drawing!
  • the armature 3 includes a core 13 formed by laminating a plurality of steel plates, and a coil 14 mounted on the core 13.
  • the core 13 is fixed to the rotating shaft 5, and the rotating shaft 5 is rotatably supported by bearings 12a and 12b.
  • a commutator 15 is provided on one side of armature 3 (on the left side in Fig. 1).
  • the commutator 15 is also fixed to the rotating shaft 5, and a metal commutator piece 16 is disposed around the commutator 15.
  • the commutator piece 16 is electrically connected to the coil 14, and the brush 4 is in sliding contact with the surface thereof.
  • the brush 4 is accommodated and held in the brush holder 17 so as to be movable in the radial direction, and is urged by the spring 18 with a force in the central direction.
  • the brush holder 17 is fixed to a brush holder stage 21 made of synthetic resin.
  • FIG. 2 is an explanatory view showing the configuration of the brush holder stage 21, and the center is a front view thereof.
  • the brush holder stage 21 includes a main body portion 22 formed of a synthetic resin and four brush housing portions 23 provided on the main body portion 22.
  • a metal brush holder 17 fixed to the main body part 22 is attached to the brush housing part 23.
  • the brush holder 17 is equally arranged in the circumferential direction, and the brush 4 is accommodated therein so as to be movable along the radial direction.
  • a big tail 24 is attached to the brush 4, and the big tail 24 is connected to a conductive plate 25 attached to the main body 22.
  • the conductive plate 25 is electrically connected to a connection terminal 27 of a terminal portion 26 provided on the outer periphery of the main body portion 22.
  • two yoke insertion pieces (extension portions) 28 protrude in the extending direction (axial direction) of the rotary shaft 5! / RU
  • the yoke insertion piece 28a is provided at the same position as the terminal portion 26, and the yoke insertion piece 28b is provided at a position facing the terminal portion 26 by 180 °.
  • the yoke insertion piece 28 is inserted into the yoke 7 when the brush holder stage 21 is assembled to the yoke 7.
  • the outer circumferential surface 29 of the yoke insertion piece 28 is a circumferential surface, and is formed to have a slightly smaller diameter than the inner circumferential surface 7a of the yoke.
  • the outer peripheral surface 29 is provided with ribs (protrusions) 30 that are formed so as to protrude in the radial direction.
  • the rib 30 has a triangular cross section. As shown in the lower right diagram of FIG. 2 (cross section A—A), the yoke insertion piece 28 has a base side to a base side. The height is gradually getting higher. In motor 1, the maximum height at the base of rib 30 is set to 0.4 mm.
  • the play in the radial direction of the brush holder stage 21 is suppressed, and the durability is improved.
  • the brush holder step 21 is temporarily fixed to the yoke 7 during the mounting operation, the assembling property can be improved and the number of assembling steps can be reduced.
  • FIG. 3 is an exploded perspective view showing the structure of the stay fixing portion 31b
  • FIG. 4 is an enlarged sectional view of the stay fixing portion 31b
  • FIG. 5 is a front view thereof
  • FIG. 6 is a plan view of the magnet holder 9. Since the two stay fixing portions 31a and 3 lb have the same configuration, FIGS. 3 to 5 show only the configuration of the stay fixing portion 31b on one side (the upper side in FIG. 1).
  • the magnet holder 9 used in the stay fixing portions 31a and 31b is provided with a fixing hole 32 in the center.
  • the magnet holder 9 is positioned by a positioning protrusion (not shown) protruding from the yoke inner peripheral surface 7a using the fixing hole 32.
  • a magnet pressing claw (magnet holding portion) 33 is formed on the side surface of the magnet holder 9.
  • a magnet pressing claw (magnet holding portion) 34 is formed on the end face of the magnet holder 9 on the end bracket 11 side.
  • an intermediate claw 35 is projected in a circumferential direction.
  • the magnet 8 is attached between the magnet holders 9 fixed to the yoke 7.
  • the magnet 8 is mechanically fixed to the yoke inner peripheral surface 7a by the elastic force of the magnet pressing claw 33.
  • the magnet 8 is sandwiched between the opposing magnet pressing claws 33 of the adjacent magnet holder 9 and the movement of the magnet 8 in the circumferential direction is restricted.
  • the movement of the magnet 8 attached between the magnet holders 9 is restricted by the magnet pressing claw 34 and the step 7b (see FIG. 1) formed on the right end surface of the yoke 7.
  • the magnet holder 9 is further provided with a stay pressing claw (brush holder stage fixing portion) 36 for fixing the brush holder stage 21.
  • the stay presser claw 36 is formed at the center of the end face of the magnet holder 9 on the end bracket 11 side, and protrudes in a direction toward the axial direction.
  • the stay presser claw 36 is formed in the shape of a cantilever leaf spring, and the tip end portion 36a is bent downward (center direction). Further, an elastic force adjusting hole 36b is formed at the center of the stay pressing claw 36, and the elasticity of the stay pressing claw 36 can be appropriately changed by changing the size of the hole 36b.
  • Such a motor 1 is assembled as follows. First, the brush holder step 21 is placed on the end bracket 11 and the armature 3 is assembled to the end bracket 11. On the other hand, the magnet holder 9 and the magnet 8 are attached to the yoke 7 in advance. Then, the yoke 7 is attached to the end bracket 11 to which the armature 3 is attached. At this time, the brush holder step 21 is assembled to the yoke 7 in a light press-fit state as described above. Also, as shown in Figs. 3 and 4, when the yoke 7 is attached, the yoke insertion piece 28 (28b in Figs. 3 and 4) is inserted between the stay presser claw 36 and the yoke inner peripheral surface 7a. Pinched. After that, the end bracket 11 and the yoke 7 are fixed by caulking, and the motor 1 in the state shown in FIG. 1 is obtained.
  • the yoke insertion piece 28 is inserted between the stage pressing claw 36 and the yoke inner peripheral surface 7a. At this time, since the tip end portion 36a of the stay pressing claw 36 is bent downward, the yoke insertion piece 28 is smoothly introduced between the stage pressing claw 36 and the yoke inner peripheral surface 7a. When the brush holder stage 21 is further pushed into the yoke 7, the yoke insertion piece 28 advances to the back against the urging force of the stay pressing claw 36 and enters between the yoke inner peripheral surface 7a.
  • a directional elastic holding force F is applied to the yoke insertion piece 28 from the stay pressing claw 36 in the outer circumferential direction.
  • the yoke insertion piece 28 is clamped between the yoke inner peripheral surface 7 a and the stay pressing claw 36, and the brush holder stage 21 is fixed in the yoke 7.
  • the step holder claw 36 is provided on the magnet holder 9 that has been present, and the brush holder stay 21 is disposed between the stay holder claw 36 and the yoke inner peripheral surface 7a.
  • a portion (in this embodiment, the yoke insertion piece 28) is held by inertia, and the brush holder 21 is fixed to the yoke 7. For this reason, parts such as rivets are not necessary, and the brush holder step 21 without increasing the number of parts can be fixed in the yoke 7 without backlash. Therefore, parts costs and assembly man-hours are reduced, and product costs are reduced accordingly.
  • the motor 1 Since the motor 1 is assembled in a stacked manner with the end bracket 11 as a reference as described above, the variation in the dimensions of the brush holder step 21 is also caused by the yoke insertion piece 28 sandwiched between the stay pressing claws 36. Adjusted.
  • the yoke insertion piece 28 is formed with a flat surface portion 37, and the stay pressing claw 36 abuts on the flat surface portion 37.
  • the stay pressing claw abutting surface of the yoke insertion piece 28 is a circumferential surface, the stay pressing claw 36 may make point contact with the yoke insertion piece 28 and a sufficient stage holding effect may not be obtained.
  • the stay pressing claw 36 and the yoke insertion piece 28 are in line contact, The effect of maintaining the stage is improved and stabilized.
  • the flat portion 37 corresponds to the advance angle of the motor 1 and the center line O of the brush holder stage 21
  • FIG. 7 is an explanatory view showing a contact position of the stay pressing claw 36 with the flat surface portion 37.
  • the stay presser claw 36 is provided at a position advanced from the center line O by an angle ⁇ . It contacts the flat surface portion 37a.
  • the flat portion 37 can be appropriately set according to the advance angle of the motor.For example, in the case of the advance angle 0, it is sufficient to provide a flat portion perpendicular to the center line O. It can respond flexibly.
  • the motor 38 of the second embodiment has substantially the same configuration as the motor 1 of Fig. 1, and only the portions of the stay fixing portions 31a and 31b are different.
  • FIG. 8 is an explanatory view showing the structure of the stay fixing portion 3 lb in the motor 38. As shown in FIG. 8, in the motor 38, the brush holder stay 21 is held by the elastic holding force F of the stay pressing claw (brush holder stay fixing portion) 39 formed in the magnet holder 9.
  • the stay presser claw 39 is also projected in the axial direction in the axial direction at the center of the end surface of the magnet holder 9 on the end bracket 11 side, like the stay presser claw 36 of the motor 1.
  • the stay presser claw 39 in the second embodiment differs from the stay presser claw 36 in that it is bent one step downward (center direction) from the base, and then a flat portion 39b is formed along the axial direction. Yes.
  • a front end portion 39a bent upward (in the outer peripheral direction) is formed on the front end side of the flat surface portion 39b.
  • a yoke insertion piece 41 protrudes from the brush holder stage 21 side. Unlike the motor 1, the yoke insertion piece 41 is formed at a position slightly inward from the outer periphery of the main body 22.
  • a pressing claw insertion portion 42 is formed between the outside of the yoke insertion piece 41 and the yoke inner peripheral surface 7a.
  • a stay presser claw 39 is disposed in the presser claw insertion portion 42 while abutting the outer peripheral surface of the yoke insert piece 41.
  • the motor 38 is assembled in the same manner as the motor 1 described above.
  • the yoke insertion piece 41 is inserted into the yoke 7.
  • the tip of the yoke insertion piece 41 comes into contact with the tip 39 a of the stay presser claw 39.
  • the yoke insertion piece 41 The stepping claw 39 advances to the back against the urging force of the claw 39, and the stepping claw 39 enters the holding claw insertion portion 42 accordingly.
  • the stay pressing claw 39 that has entered the pressing claw insertion portion 42 has its flat surface portion 39b abutting against the yoke insertion piece 41 inertially.
  • the flat portion 43 is formed on the yoke insertion piece 41, and the yoke insertion piece 41 and the stay pressing claw 39 are in surface contact. That is, similarly to the motor 1 of the first embodiment, also in the motor 38, the yoke insertion piece 41 is formed with a flat portion 43 on the surface on which the stay pressing claw 39 abuts.
  • an elastic holding force F directed toward the center from the step presser claw 39 is applied to the yoke insertion piece 41, and the elastic holding force F
  • the brush holder stage 21 is fixed to the yoke 7.
  • the brush holder stage 21 without increasing the number of parts can be fixed in the yoke 7 without backlash. it can.
  • the elastic region of the stay presser claw 39 can be set larger than the creep amount of the yoke insertion piece 41, even if creep deformation or the like occurs in the yoke insertion piece 41, the holding force is maintained. And generation of mounting play can be prevented.
  • FIG. 9 is an explanatory diagram showing the configuration of the stay fixing portion 31b in the brushed motor 44 according to the third embodiment of the present invention.
  • the motor 44 of the third embodiment also has substantially the same configuration as the motor 1 of FIG. 1, and only the portions of the stay fixing portions 31a and 31b are different.
  • the brush holder stage 21 is held by the elastic holding force F, F by the stage presser claw (brush holder stage fixing part) 45 formed on the magnet holder 9.
  • the stay pressing claw 45 is also provided in the center of the end surface of the magnet holder 9 on the end bracket 11 side so as to protrude in the axial direction.
  • the stay pressing claw 45 in the third embodiment is bent one step downward from the base, and then extends along the axial direction to form a substantially semicircular bent portion 45a.
  • the stay presser claw 45 changes its extending direction at a bent portion 45a, and an extended portion 45b extends further downward.
  • the yoke insertion piece 41 is not formed on the brush holder stage 21 side, and instead, the end face portion thereof has a peripheral wall 46 and an inner peripheral side of the peripheral wall 46 toward the center. A contact surface 47 extending in the direction is provided.
  • the motor 44 is assembled in the same manner as the motor 1 described above.
  • the outer peripheral portion of the peripheral wall 46 is fitted into the stay mounting groove 48 formed on the outer periphery of the end portion of the yoke 7.
  • the bent portion 45 a of the stay pressing claw 45 abuts on the inner peripheral edge 46 a of the peripheral wall 46.
  • the outer periphery of the bent portion 45a is a cylindrical surface, and this outer peripheral surface comes into contact with the inner peripheral edge 46a of the peripheral wall, that is, the inner corner of the peripheral wall 46.
  • the extended portion 45 b of the stay pressing claw 45 contacts the contact surface 47. Due to the contact of the bent portion 45a, an elastic holding force F having both an outer peripheral direction and an axial direction component is applied to the peripheral wall 46.
  • due to the contact of the extension 45b due to the contact of the extension 45b,
  • a force is applied to the tape 21 in the outer circumferential direction and the axial direction, and the brush holder stage 21 is fixed so as to be pressed against the yoke 7 and the end bracket 11.
  • the brush holder stage 21 without increasing the number of parts can be fixed in the yoke 7 without backlash. it can.
  • the elastic area of the stay presser claw 45 can be set larger than the creep amount of the brush holder step 21, so that the holding force is maintained even if the creep deformation occurs in the brush holder step 21 itself. It is possible to prevent the mounting play.
  • the motor according to the present invention is used as a driving source for a fan for cooling a car radiator.
  • the present invention is applicable to a motor used in a high-temperature atmosphere or vibration environment.
  • two yoke insertion pieces 28 are provided in the opposite position is shown, but it is sufficient that at least one yoke insertion piece 28 is provided, and the number is not limited to two. .
  • the form of the stay presser claw 36 is not limited to the above-described example, and various shapes such as those without the hole 36b and those having a plurality of claws (for example, two) can be adopted. .
  • the stay presser claw 45 has a peripheral wall 46 and a contact surface 47. It is not always necessary to be in contact with both of them, and it is sufficient that the elastic holding force can be applied to the brush holder step 21 by contacting one of them. However, it is preferable that the elastic force is increased in the direction of contact with both the peripheral wall 46 and the contact surface 47.
  • the stay pressing claws 39 and 45 of the second and third embodiments may be provided with an elastic force adjusting hole (reference numeral 36b of the first embodiment).

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

La présente invention concerne une section d'insertion de culasse (28) qui est formée de manière à faire saillie de façon axiale sur un support porte-balai (21). Un aimant (8) et un porte-aimant (9) sont installés sur une surface périphérique intérieure de culasse (7a). Une nervure (30) est formée sur la surface périphérique extérieure de la section d'insertion de culasse (28), et le support porte-balai (21) est installé dans une culasse (7) avec un léger serrage. Une griffe de compression d'étai (36) est formée dans le porte-aimant (9). La section d'insertion de culasse (28) est maintenue entre la griffe de compression d'étai (36) et la surface périphérique intérieure de culasse (7a), et le support porte-balai (21) est fixé dans la culasse (7). Une surface plate (37) est formée sur la surface périphérique intérieure de la section d'insertion de culasse (28), et la griffe de compression d'étai (36) entre en contact avec la surface plate (37).
PCT/JP2007/062599 2006-06-26 2007-06-22 Moteur avec balai WO2008001689A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008522540A JP5044552B2 (ja) 2006-06-26 2007-06-22 ブラシ付モータ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006175663 2006-06-26
JP2006-175663 2006-06-26

Publications (1)

Publication Number Publication Date
WO2008001689A1 true WO2008001689A1 (fr) 2008-01-03

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PCT/JP2007/062599 WO2008001689A1 (fr) 2006-06-26 2007-06-22 Moteur avec balai

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108777523A (zh) * 2018-05-30 2018-11-09 浙江开拓汽车电器有限公司 电机的刷架结构、电机和电机的刷架安装方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153576U (ja) * 1982-04-08 1983-10-14 三菱電機株式会社 磁石式モ−タ−
JPH0617355U (ja) * 1992-07-29 1994-03-04 株式会社三協精機製作所 直流モータ
JP2003023746A (ja) * 2001-07-04 2003-01-24 Mitsuba Corp ブラシホルダユニット
JP2003223846A (ja) * 2002-01-30 2003-08-08 Hirata Corp マスク装着装置及びマスク装着方法
JP2003230314A (ja) * 2002-02-06 2003-08-19 Iseki & Co Ltd 穀粒搬送装置
JP2003289641A (ja) * 2001-09-11 2003-10-10 Asmo Co Ltd ブラシ装置の支持構造
JP2004260894A (ja) * 2003-02-25 2004-09-16 Mitsuba Corp スタータモータ
JP2005324506A (ja) * 2004-05-17 2005-11-24 Seiko Epson Corp インクパック、インクジェット装置、デバイスの製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153576U (ja) * 1982-04-08 1983-10-14 三菱電機株式会社 磁石式モ−タ−
JPH0617355U (ja) * 1992-07-29 1994-03-04 株式会社三協精機製作所 直流モータ
JP2003023746A (ja) * 2001-07-04 2003-01-24 Mitsuba Corp ブラシホルダユニット
JP2003289641A (ja) * 2001-09-11 2003-10-10 Asmo Co Ltd ブラシ装置の支持構造
JP2003223846A (ja) * 2002-01-30 2003-08-08 Hirata Corp マスク装着装置及びマスク装着方法
JP2003230314A (ja) * 2002-02-06 2003-08-19 Iseki & Co Ltd 穀粒搬送装置
JP2004260894A (ja) * 2003-02-25 2004-09-16 Mitsuba Corp スタータモータ
JP2005324506A (ja) * 2004-05-17 2005-11-24 Seiko Epson Corp インクパック、インクジェット装置、デバイスの製造方法

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JP5044552B2 (ja) 2012-10-10

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