CN103457385B - Electric rotating machine - Google Patents

Electric rotating machine Download PDF

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Publication number
CN103457385B
CN103457385B CN201310054723.5A CN201310054723A CN103457385B CN 103457385 B CN103457385 B CN 103457385B CN 201310054723 A CN201310054723 A CN 201310054723A CN 103457385 B CN103457385 B CN 103457385B
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CN
China
Prior art keywords
motor
terminal
brush carrier
shell
stroma
Prior art date
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Active
Application number
CN201310054723.5A
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Chinese (zh)
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CN103457385A (en
Inventor
金田阳平
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of CN103457385A publication Critical patent/CN103457385A/en
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Publication of CN103457385B publication Critical patent/CN103457385B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/14Means for supporting or protecting brushes or brush holders

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

Abstract

By in Terminal of motor and the integrated existing electric rotating machine of brush carrier, once the kind of Terminal of motor increases, then start just to be turned into another parts at brush carrier formative stage, and sharing of parts cannot be realized.The invention provides a kind of electric rotating machine, this electric rotating machine comprises motor terminal stroma, brush carrier and shell, wherein, described motor terminal stroma keeps Terminal of motor, described brush carrier has the brush carrier portion of terminal and wiper mechanism that are electrically connected by the Terminal of motor of described motor terminal stroma, described shell keeps described brush carrier, and motor terminal stroma and brush carrier split are formed, and described motor terminal stroma is fixed on shell together with brush carrier.

Description

Electric rotating machine
Technical field
The present invention relates to a kind of portion of terminal of electric rotating machine.
Background technology
The portion of terminal of existing electric rotating machine is by Terminal of motor and the integrated structure of brush carrier (such as with reference to patent documentation 1).
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2010-141948 publication
By in Terminal of motor and the integrated existing electric rotating machine of brush carrier, once the kind of Terminal of motor increases, then start just to become another parts at brush carrier formative stage, and sharing of parts cannot be realized.In addition, when Terminal of motor merely is welded with Terminal of motor by brush carrier as another parts, exist and occur because of the flexure of Terminal of motor the problem that Terminal of motor position deviation is such.
Summary of the invention
The present invention completes for solving the problem, and its object is to realize sharing of brush carrier, and suppresses the flexure of Terminal of motor, and can suppress the deviation of Terminal of motor position.
Electric rotating machine of the present invention comprises motor terminal stroma, brush carrier and shell, wherein, above-mentioned motor terminal stroma keeps Terminal of motor, above-mentioned brush carrier has the brush carrier portion of terminal and wiper mechanism that are electrically connected by the Terminal of motor of above-mentioned motor terminal stroma, above-mentioned shell keeps above-mentioned brush carrier, above-mentioned motor terminal stroma and above-mentioned brush carrier split are formed, and above-mentioned motor terminal stroma is fixed on above-mentioned shell together with above-mentioned brush carrier.
According to electric rotating machine of the present invention, by Terminal of motor is separated with integrated brush carrier, the sharing of Terminal of motor of brush carrier for all size can be realized, and the deviation of Terminal of motor position can be suppressed.
Accompanying drawing explanation
Fig. 1 is the figure of the Terminal of motor of the electric rotating machine representing embodiment of the present invention 1, Fig. 1 (a) is front view, and Fig. 1 (b) is end view.
Fig. 2 is the Terminal of motor of the electric rotating machine of embodiment of the present invention 1 and the assembly drawing of motor terminal stroma, and Fig. 2 (a) is front view, and Fig. 2 (b) is sectional view, and Fig. 2 (c) is rearview.
Fig. 3 is the figure of the brush carrier of the electric rotating machine representing embodiment of the present invention 1, Fig. 3 (a) is front view, and Fig. 3 (b) is sectional view, and Fig. 3 (c) is rearview.
Fig. 4 is the assembly drawing of the Terminal of motor of the electric rotating machine of embodiment of the present invention 1, motor terminal stroma and brush carrier, and Fig. 4 (a) is front view, and Fig. 4 (b) is sectional view, and Fig. 4 (c) is rearview.
Fig. 5 is the figure of the shell of the electric rotating machine only representing embodiment of the present invention 1, Fig. 5 (a) is front view, Fig. 5 (b) is the sectional view of the A-A line observed in the direction of the arrow in Fig. 5 (a), and Fig. 5 (c) is rearview.
Fig. 6 represents the figure using brush carrier installation screw brush carrier to be fixed on the state on the shell of the electric rotating machine of embodiment of the present invention 1, and Fig. 6 (a) is sectional view, and Fig. 6 (b) is rearview.
Fig. 7 represents the figure using yoke installation screw yoke to be fixed on the state on the shell of the electric rotating machine of embodiment of the present invention 1, and Fig. 7 (a) is front view, and Fig. 7 (b) is sectional view, and Fig. 7 (c) is rearview.
Fig. 8 is the Terminal of motor of the electric rotating machine of embodiment of the present invention 2 and the assembly drawing of motor terminal stroma, and Fig. 8 (a) is front view, and Fig. 8 (b) is sectional view, and Fig. 8 (c) is rearview.
Fig. 9 is the figure of the brush carrier of the electric rotating machine representing embodiment of the present invention 2, Fig. 9 (a) is front view, and Fig. 9 (b) is sectional view, and Fig. 9 (c) is rearview.
Figure 10 is the assembly drawing of the Terminal of motor of the electric rotating machine of embodiment of the present invention 2, motor terminal stroma and brush carrier, and Figure 10 (a) is front view, and Figure 10 (b) is sectional view, and Figure 10 (c) is rearview.
Figure 11 is the figure of the shell of the electric rotating machine only representing embodiment of the present invention 2, Figure 11 (a) is sectional view, and Figure 11 (b) is rearview.
Figure 12 represents the figure using brush carrier installation screw brush carrier to be fixed on the state on the shell of the electric rotating machine of embodiment of the present invention 2, Figure 12 (a) is rearview, and Figure 12 (b) is the sectional view of the B-B line observed in the direction of the arrow in Figure 12 (a).
Figure 13 represents the figure using yoke installation screw yoke to be fixed on the state on the shell of the electric rotating machine of embodiment of the present invention 2, Figure 13 (a) is front view, Figure 13 (b) is sectional view, and Figure 13 (c) is rearview.
Figure 14 is the figure of the Terminal of motor of the electric rotating machine of embodiment of the present invention 2 and the variation of motor terminal stroma, and Figure 14 (a) is front view, and Figure 14 (b) is sectional view, and Figure 14 (c) is rearview.
Figure 15 is the figure of the variation of the shell of the electric rotating machine representing embodiment of the present invention 2, Figure 15 (a) is sectional view, and Figure 15 (b) is rearview.
Figure 16 is the figure of the variation of the electric rotating machine representing embodiment of the present invention 2, it represents that brush carrier is fixed on the state on the shell of electric rotating machine by use brush carrier installation screw, Figure 16 (a) is sectional view, and Figure 16 (b) is rearview.
(symbol description)
1 Terminal of motor
The junction surface of 1a Terminal of motor
2 motor terminal stromas
The first rib (flank) of 2a motor terminal stroma
The second rib (flank) of 2b motor terminal stroma
The protuberance of 2c motor terminal stroma
The bight of 2d motor terminal stroma
2e Terminal of motor insertion section
The dip portion of 2f motor terminal stroma
The recess of 2g motor terminal stroma
3 brush carriers
3a brush carrier portion of terminal
The through hole of 3b brush carrier
The nick shaped stage portion of 3c brush carrier
4 shells
The screw hole of 4a shell
The yoke installation screw hole of 4b shell
The protuberance of 4c shell
The recess of 4d, 4d1 shell
The protuberance of 4e shell
4f bearing portion
5 brush carrier installation screws
6 yokes
The open-work of 6a yoke
7 yoke installation screws
Embodiment
Below, based on accompanying drawing, various embodiments of the present invention will be described.
In addition, in the various figures, same-sign represents identical or appropriate section.
Execution mode 1
Based on Fig. 1 to Fig. 7, the portion of terminal of the electric rotating machine of execution mode 1 is described.
The portion of terminal of the electric rotating machine of execution mode 1 is made up of motor terminal stroma 2, brush carrier 3 and shell 4, wherein, above-mentioned motor terminal stroma 2 pairs of Terminal of motor 1 carry out insulation and keep, above-mentioned brush carrier 3 has the brush carrier portion of terminal 3a and wiper mechanism (not shown) that are electrically connected by Terminal of motor 1, and above-mentioned shell 4 keeps above-mentioned brush carrier 3.
Terminal of motor 1 shown in Fig. 1 has the junction surface 1a engaged with brush carrier 3, by above-mentioned junction surface 1a being inserted the patchhole 2e of motor terminal stroma 2, and makes Terminal of motor 1 be in the hold mode shown in Fig. 2.
Motor terminal stroma 2 is formed separately by the insulating component different from brush carrier 3, can keep accordingly with the Terminal of motor 1 of all size to this Terminal of motor.
The junction surface 1a of Terminal of motor 1 is welded on the brush carrier portion of terminal 3a of the brush carrier 3 shown in Fig. 3.Utilize above-mentioned welding, by Terminal of motor 1 and motor terminal stroma 2 with brush carrier 3 mechanicalness, engage to electrical resistance, and be in the assembled state shown in Fig. 4, formed and play the parts with the existing one-body molded brush carrier identical function of forming circuit.
In addition, when being assembled into by brush carrier 3 as shown in Figure 5, Figure 6 on the shell 4 with bearing portion 4f, motor terminal stroma 2 is clamped by brush carrier 3 and shell 4, fixing.
Namely, make its through hole 3b passing brush carrier 3 by fastening brush carrier installation screw 5 and screw togather with the screw hole 4a of shell 4, motor terminal stroma 2 is made to be subject to (brush carrier 3 and shell 4) clamping, fixing, in more detail, coordinate by making the nick shaped stage portion 3c of the dip portion 2f and brush carrier 3 that are located at motor terminal stroma 2 lower surface, and this dip portion 2f is clamped between the vertical plane of nick shaped stage portion 3c and shell 4, make motor terminal stroma 2 be subject to (brush carrier 3 and shell 4) clamping, fixing.
In addition, the nick shaped stage portion 3c of brush carrier 3 is arranged on the opposite side relative with shell 4 in through hole 3b.
In addition, by formation described above, when using brush carrier installation screw 5 to be installed in shell 4 by brush carrier 3, energy is fixed motor terminal base 2 simultaneously, therefore, does not need new parts.
In addition, first rib 2a and second rib 2b is formed with in motor terminal stroma 2, relative with shell 4 side.
First rib 2a is arranged on the dip portion 2f of motor terminal stroma 2 in the mode outstanding towards shell 4, in screw hole 4a brush carrier installation screw 5 being fastened on shell 4 and when being fixed brush carrier 3, above-mentioned first rib 2a is crushed under the effect of the fastening force of shell 4 and brush carrier installation screw 5.In addition, be fixed on shell 4 under the state that motor terminal stroma 2 is crushed at first rib 2a.
In addition, the protuberance 4c of second rib 2b and shell 4 is relatively arranged on the recess 2g of motor terminal stroma 2, as shown in Figure 7, in use through open-work 6a and when yoke 6 being fixed with the yoke installation screw 7 that yoke installation screw hole 4b screws togather, above-mentioned second rib 2b is pressed by protuberance 4c, and is crushed under the effect of the fastening force of yoke installation screw 7.In addition, be fixed on shell 4 under the state that yoke 6 is crushed at second rib 2b.In addition, open-work 6a is arranged on yoke, and yoke installation screw hole 4b is arranged on shell 4.
In the motor terminal minor structure formed as mentioned above, under the effect of the fastening force when using yoke installation screw 7 to be fixed on shell 4 by yoke 6, Terminal of motor 1 is wanted to bend towards shell 4 side from the position of junction surface 1a via motor terminal stroma 2, but due to motor terminal stroma 2 brush carrier installation screw 5 fastening under be sandwiched in shell 4 and brush carrier nick shaped stage portion 3c between, and be fixed on flexure direction, therefore, the deviation of the Terminal of motor position caused because of Terminal of motor 1 and the flexure of welding produced Terminal of motor 1 of brush carrier 3 can be suppressed.
In addition, be applied to the shell 4 on motor terminal stroma 2 to pass through the second rib 2b being located at motor terminal stroma 2 is flattened and is absorbed with the fastening force of yoke installation screw 7, by formation described above, the integration of Terminal of motor 1, motor terminal stroma 2 and brush carrier 3 can be made, therefore, can obtain a kind of and existing Terminal of motor is one-body molded after brush carrier do not have differentiated brush carrier.
In addition, compare with by integrated to brush carrier and Terminal of motor existing product, due to the Splittable be separated with brush carrier by Terminal of motor can be formed as, therefore, sharing of brush carrier can be realized.
Execution mode 2
Based on Fig. 1, Fig. 8 to Figure 13, the portion of terminal of the electric rotating machine of execution mode 2 is described.
Any one party of portion of terminal in motor terminal stroma 2 and shell 4 of the electric rotating machine of execution mode 2 is provided with protuberance 2c (with reference to Fig. 8, Figure 10) or recess (not shown), and the opposing party in motor terminal stroma 2 and shell is provided with recess 4d (with reference to Figure 11) or protuberance (not shown), when brush carrier 3 is assembled on shell 4, by making protuberance 2c chimeric as illustrated in fig. 12 with recess 4d, just motor terminal stroma 2 can be fixed on shell 4.
Successively the structure of the portion of terminal of electric rotating machine is described below.
First, the Terminal of motor 1 of Fig. 1 is inserted into motor terminal stroma 2, and is in the state of Fig. 8.Then, at the position of the brush carrier portion of terminal 3a of the brush carrier 3 of Fig. 9, engaged by the junction surface 1a of Terminal of motor 1 by welding, and be in the state of Figure 10, it is same with execution mode 1, for playing the parts with one-body molded brush carrier identical function.
Next, the screw hole 4a of brush carrier installation screw 5 with shell 4 is screwed togather, in the same manner as Fig. 6, brush carrier 3 is fixed.That is, by the brush carrier installation through hole 3b of screw 5 through brush carrier 3, and brush carrier installation screw 5 is fastened in the screw hole 4a of shell 4, brush carrier 3 is fixed.Meanwhile, the protuberance 2c (Figure 10) being located at motor terminal stroma 2 is chimeric as illustrated in fig. 12 with the recess 4d (Figure 11) being located at shell 4.In addition, as shown in figure 13, by through yoke 6 open-work 6a and with the yoke installation screw 7 that the yoke installation screw hole 4b of shell 4 screws togather, be fixed yoke 6, betwixt, the second rib 2b of motor terminal stroma 2 is flattened by the protuberance 4c of shell 4 and clamps.
In the motor terminal minor structure formed as mentioned above, under the effect of the fastening force when using yoke installation screw 7 to be fixed on shell 4 by yoke 6, Terminal of motor 1 is wanted to bend towards shell 4 side from the position of junction surface 1a via motor terminal stroma 2, but because motor terminal stroma 2 uses protuberance 2c chimeric with the recess 4d of shell, flexure direction is fixed, therefore, the deviation of the Terminal of motor position caused with the flexure of welding produced Terminal of motor 1 of brush carrier 3 because of Terminal of motor 1 can be suppressed.
In addition, be applied to the shell 4 on motor terminal stroma 2 to pass through the second rib 2b being located at motor terminal stroma 2 is flattened and is absorbed with the fastening force of yoke installation screw 7, by formation described above, the integration of Terminal of motor 1, motor terminal stroma 2 and brush carrier 3 can be made, therefore, can obtain, with existing, integrated for Terminal of motor brush carrier is not had differentiated brush carrier.
In addition, compare with by integrated to brush carrier and Terminal of motor existing product, due to the Splittable be separated with brush carrier 3 by Terminal of motor 1 can be formed as, therefore, sharing of brush carrier can be realized.
Due to the flexure only using motor terminal stroma 2 and shell 4 (motor terminal stroma 2 is chimeric with the jog of shell 4) just can suppress Terminal of motor 1, therefore, there is the effect not having difference such with one-body molded brush carrier on the assembleability of brush carrier.
In the execution mode 2 of Fig. 8 to Figure 13, undertaken motor terminal stroma 2 fixing by the chimeric of the recess 4d of protuberance 2c and shell, but by the variation of Figure 14 to Figure 16, that also can carry out motor terminal stroma 2 is fixing.Namely, as Figure 14, Figure 15, shown in Figure 16, by making the bight 2d of the motor terminal stroma of Figure 14 (being equivalent to the symbol 2c of Fig. 8) chimeric with the recess 4d1 (part formed by symbol 4c and symbol 4e) of the shell of Figure 15, and make the protuberance 4c of the shell of Figure 15 with have second rib 2b motor terminal stroma recess 2g (with reference to Fig. 2 (b), Figure 14 (a), Figure 14 (b)) chimeric, even if Terminal of motor 1 is wanted to rotate centered by the 1a of junction surface, flexure, also motor terminal stroma 2 can be fixed on above-mentioned chimeric position, therefore, Terminal of motor 1 can not bend.
In addition, the present invention can suitably be out of shape each execution mode, omit within the scope of the invention.

Claims (5)

1. an electric rotating machine, is characterized in that,
Comprise motor terminal stroma, brush carrier and shell, wherein, described motor terminal stroma keeps Terminal of motor, described brush carrier has the brush carrier portion of terminal and wiper mechanism that are electrically connected by the Terminal of motor of described motor terminal stroma, described shell keeps described brush carrier, described motor terminal stroma and described brush carrier split are formed, and make it pass described brush carrier by fastening brush carrier installation screw and screw togather with described shell, described motor terminal stroma is fixed on the housing together with described brush carrier, at described motor terminal stroma, the opposite face relative with described shell is provided with first rib and second rib, wherein, described first rib is crushed when utilizing described brush carrier installation screw to carry out fastening, described second rib is crushed when utilizing the yoke installation screw being fixed on the yoke of described shell to carry out fastening.
2. electric rotating machine as claimed in claim 1, is characterized in that,
Described motor terminal stroma is formed by the insulating component different from described brush carrier, and can keep described Terminal of motor accordingly with the Terminal of motor of all size.
3. electric rotating machine as claimed in claim 1 or 2, is characterized in that,
Described brush carrier, relative with described shell opposite face is provided with stage portion, and is provided with dip portion on described motor terminal stroma,
Described dip portion is coordinated with described stage portion, and uses described brush carrier and described shell described dip portion to be clamped.
4. electric rotating machine as claimed in claim 1 or 2, is characterized in that,
Any one party in described motor terminal stroma and described shell is provided with protuberance or recess, and the opposing party in described motor terminal stroma and described shell is provided with recess or protuberance, when described brush carrier is assembled on described shell, by making described protuberance chimeric with described recess, described motor terminal stroma is fixed on the housing on the direction that described Terminal of motor bends.
5. electric rotating machine as claimed in claim 3, is characterized in that,
Any one party in described motor terminal stroma and described shell is provided with protuberance or recess, and the opposing party in described motor terminal stroma and described shell is provided with recess or protuberance, when described brush carrier is assembled on described shell, by making described protuberance chimeric with described recess, described motor terminal stroma is fixed on the housing on the direction that described Terminal of motor bends.
CN201310054723.5A 2012-05-30 2013-02-20 Electric rotating machine Active CN103457385B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012122651A JP5506858B2 (en) 2012-05-30 2012-05-30 Rotating electric machine
JP2012-122651 2012-05-30

Publications (2)

Publication Number Publication Date
CN103457385A CN103457385A (en) 2013-12-18
CN103457385B true CN103457385B (en) 2016-01-27

Family

ID=49739462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310054723.5A Active CN103457385B (en) 2012-05-30 2013-02-20 Electric rotating machine

Country Status (4)

Country Link
JP (1) JP5506858B2 (en)
KR (1) KR101407813B1 (en)
CN (1) CN103457385B (en)
IN (1) IN2013CH00956A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101981789A (en) * 2008-03-28 2011-02-23 马渊马达株式会社 DC motor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820535B2 (en) * 1978-02-10 1983-04-23 株式会社日立製作所 commutator motor
JPH0442531Y2 (en) * 1987-11-20 1992-10-07
JPH0649100Y2 (en) * 1989-12-04 1994-12-12 株式会社三ツ葉電機製作所 DC machine wiring device
JP2002125349A (en) * 2000-10-13 2002-04-26 Mitsubishi Electric Corp Brush holder device
JP4099110B2 (en) * 2003-06-12 2008-06-11 アスモ株式会社 Brush holder device and wiper motor
JP2008022659A (en) * 2006-07-14 2008-01-31 Mitsubishi Electric Corp Motor
JP5137683B2 (en) * 2008-05-20 2013-02-06 キヤノン株式会社 Coreless motor
JP5408034B2 (en) * 2010-05-25 2014-02-05 日本精工株式会社 Bus bar unit for brush motor, brush motor and electric power steering device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101981789A (en) * 2008-03-28 2011-02-23 马渊马达株式会社 DC motor

Also Published As

Publication number Publication date
CN103457385A (en) 2013-12-18
KR101407813B1 (en) 2014-06-18
KR20130135030A (en) 2013-12-10
JP5506858B2 (en) 2014-05-28
JP2013251927A (en) 2013-12-12
IN2013CH00956A (en) 2015-08-14

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