CN104810959A - Pole shell device, assembling method and motor - Google Patents

Pole shell device, assembling method and motor Download PDF

Info

Publication number
CN104810959A
CN104810959A CN201410036611.1A CN201410036611A CN104810959A CN 104810959 A CN104810959 A CN 104810959A CN 201410036611 A CN201410036611 A CN 201410036611A CN 104810959 A CN104810959 A CN 104810959A
Authority
CN
China
Prior art keywords
pole
location division
stator magnets
stator
housing arrangement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410036611.1A
Other languages
Chinese (zh)
Inventor
赵又衍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Automotive Products Changsha Co Ltd
Original Assignee
Bosch Automotive Products Changsha Co Ltd
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 Bosch Automotive Products Changsha Co Ltd filed Critical Bosch Automotive Products Changsha Co Ltd
Priority to CN201410036611.1A priority Critical patent/CN104810959A/en
Publication of CN104810959A publication Critical patent/CN104810959A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dc Machiner (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

The invention relates to a pole shell device, an assembling method and a motor. The pole shell device of the invention comprises a pole shell, two stator magnets arranged at intervals along the circumference of the inner surface of the pole shell, and a brush frame arranged inside the pole shell, wherein the brush frame is fixedly provided with a positioning part which is inserted into the circumferential interval of the two stator magnets and at least contacts one stator magnet. The motor of the invention comprises the pole shell device. The assembling method of the invention comprises the following steps: step A, the two stator magnets and the positioning part are fixed to a clamp, wherein the two stator magnets are arranged at intervals along the circumference, and the positioning part is inserted into the circumferential interval of the two stator magnets and at least contacts one stator magnet; and step B, the pole shell sleeves the two stator magnets and the brush frame, and the pole shell and the two stator magnets are fixed relatively. According to the pole shell device, the assembling method and the motor of the invention, assembling is easy, and cost is reduced.

Description

Pole housing arrangement, assemble method and motor
Technical field
The present invention relates to a kind of pole housing arrangement be used on motor; More particularly, the present invention relates to a kind of pole housing arrangement be used on windshield wiper drive motors.
Further, the invention still further relates to the assemble method of pole housing arrangement and comprise the automotive wiper motor of pole housing arrangement.
Background technology
The relative angle of stator magnet and brush carrier is located the service behaviour for drive motors and is had very important significance.
Two kinds of modes realizing stator magnet and brush carrier angle location in drive motors are had: one is determined the angle position of stator magnet and brush carrier, and it inevitably produces larger site error in prior art; Another kind is the angle position limiting stator magnet and brush carrier by baroque, independent metal centering agency, and this locate mode cost is higher.
Disclosed in 21 days October in 2009, publication number is disclose a kind of pole housing arrangement for rain brush drive motors in the Chinese invention patent application of CN101563833A.In the prior art, by bolt Flange joint between the pole shell of rain brush drive motors and transmission shell, in the shell of pole, be provided with stator magnet, meanwhile, brush carrier arranges and is also contained in the shell of pole.In order to realize the good working effect of Wiper motor, the angular error between stator magnet and brush-system needs to keep small as far as possible.In the prior art, two stator magnets in the shell of pole keep in position by opposed intermetallic spacer and C shape spring, the protrusions holding tank of determining determined on protrusions and brush carrier on intermetallic spacer is used for determining installation site, makes stator magnet determine position relative to brush carrier.Select baroque intermetallic spacer in this pole housing arrangement, result in the shortcomings such as installation time is long, manufacturing cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of easy to assembly and save the pole housing arrangement be used on motor of manufacturing cost.
Further, the technical problem to be solved in the present invention is also that providing a kind of assembles the method for pole housing arrangement and a kind of automotive wiper motor comprising pole housing arrangement.
Provide a kind of pole housing arrangement be used on motor according to a first aspect of the invention, described pole housing arrangement comprises:
Pole shell;
Circumferentially spaced two stator magnets on the inner surface of described pole shell;
Be arranged on the brush carrier in the shell of described pole, described brush carrier is fixed with location division, at least contact one of them stator magnet in the circumferential interval that described location division is inserted in described two stator magnets.
Alternatively, in foregoing pole housing arrangement, the body side of described location division being formed with Elastic Teeth and/or described location division is formed with longitudinal fluting.
Alternatively, in foregoing pole housing arrangement, described location division and described brush carrier integrated injection molding.
Alternatively, in foregoing pole housing arrangement, described stator magnet is fixed in the housing of described pole by clamping, bonding and at least one mode in being fitted together to.
Alternatively, in foregoing pole housing arrangement, have two circumferential intervals between described two stator magnets, described location division of planting in one of them circumferential interval, is provided with the flexible member along the circumferential direction pushing against described two stator magnets in another circumferential interval.
Be used in that this pole housing arrangement structure on motor is simple, easy to assembly and cost is lower, achieve good technique effect.
Provide a kind of automotive wiper motor according to a second aspect of the invention, described automotive wiper motor has the pole housing arrangement according to any one of aforementioned first aspect.
Provide a kind of assemble method of the pole housing arrangement be used on motor according to a third aspect of the invention we, described pole housing arrangement comprises: pole shell; Circumferentially spaced two stator magnets on the inner surface of described pole shell; Be arranged on the brush carrier in the shell of described pole, described brush carrier is fixed with location division, described location division is inserted in the circumferential interval of described two stator magnets, and at least contacts one of them stator magnet, said method comprising the steps of:
Steps A: described two stator magnets, described location division are fixed on fixture, make described two stator magnets circumferentially between, described location division be inserted in described two stator magnets circumferential interval in and at least contact one of them stator magnet;
Step B: described pole shell to be nested with on described two stator magnets with described brush carrier and described pole shell is relative fixing with described two stator magnets.
Alternatively, in foregoing method, the side of described location division is formed Elastic Teeth and/or is formed with longitudinal fluting on the body of described location division.
Alternatively, in foregoing method, in described step B, described pole shell is realized by bonding, chimeric and in clamping at least one mode with the relative fixing of described two stator magnets.
This assemble method being used in the pole housing arrangement on motor is convenient, effective, and the operation on fixture makes assembling process more accurate, not easily makes a fault, reduces the requirement of the skilled operation degree to assembler.
Alternatively, in foregoing method, in described steps A, be also included in a circumferential interval between described two stator magnets described location division of planting, in another circumferential interval, place the flexible member along the circumferential direction pushing against described two stator magnets.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will become more obvious.Should understand, these accompanying drawings only for illustration of object, and be not intended to limit protection scope of the present invention.In figure:
Fig. 1 schematically shows according to aliging in pole housing arrangement of the present invention between stator magnet with brush carrier.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 schematically shows according to aliging in pole housing arrangement of the present invention between stator magnet with brush carrier.In the drawings, Reference numeral 1 represents stator magnet, and 2 represent brush carrier, and 3 represent C shape spring, and 4 represent the location division on brush carrier.In the figure, in order to clearly illustrate the shape of location division 4 on stator magnet 1, C shape spring 3 and brush carrier 2 etc. and relative position and the pole shell of not shown motor.In this specific embodiment, pole housing arrangement according to the present invention comprises pole housing, two stator magnets, C shape spring and location divisions etc., and described location division can extend from brush carrier.
Two stator magnets 1 are made up of permanent magnet, and as can be seen from the figure their all curved shapes, similarly be longitudinally cut the part from cylinder.Can understand, this shape of two stator magnets 1 is suitable for being assemblied in the pole shell (not shown) of motor, the inwall of pole shell and the outer surface of stator magnet 1 can be fitted.The inner surface of stator magnet 1 is smooth and can not produce with the electric component stretched into wherein and interfere, and end is alternatively in the flat shape being easy to process.
Two stator magnets 1 can be arranged in the circumferentially compartment of terrain of pole shell.In shown Fig. 1, these two stator magnets 1 are fixed in the shell of pole by means of the location division 4 on C shape spring 3 and brush carrier 2.In the circumferential interval of C shape spring 3 between two stator magnets 1, two resilient legs (not shown) promote two stator magnets 1 respectively to two-side elastic; In another circumferential interval then between two stator magnets 1, location division 4, support along contrary direction and stop two stator magnets 1 thus together with the acting in conjunction of C shape spring 3, stator magnet 1 clamped.When concrete installation, can first the orders such as the location division 4 on two stator magnets 1, C shape spring 3, brush carrier 2 are clamped on sectional fixture, and then pole shell be loaded onto by cover, stator magnet 1 and pole shell are fixed.Should understand, the order be clamped in the location division 4 etc. on two stator magnets 1, C shape spring 3, brush carrier 2 on sectional fixture can be changed according to actual needs.
C shape spring 3 in Fig. 1 can be metal, can be formed by strip metal bending.Two resilient legs of C shape spring 3 make two stator magnets 1 circumferentially stressed in the opposite direction, thus are resisted against on location division 4 by stator magnet 1.The technical staff in described field can expect the C shape spring come with other elastic component in alternative illustrated embodiment, the flexible member etc. of such as annular, arc or other shape, it makes material and also can comprise rubber/plastics elastomeric material and be not limited only to metal.
Location division 4 in Fig. 1 can be made of plastics, and is chosen as and brush carrier 2 integrated injection molding, can determine that stator magnet 1 is located with the relative angle of the brush-system of motor when location division 4 is inserted in a circumferential interval of two stator magnets 1; Also can be can be fixed to the parts shaping separately on brush carrier 2 by the such as card mode such as to join, can determine that stator magnet 1 is located with the relative angle of the brush-system of motor when location division 4 is arranged on and is fixed to brush carrier 2 in a circumferential interval of two stator magnets 1 and by location division 4.The location division adopting plastic material to make, can reduce more material cost compared to prior art; Location division be inserted in the interval of two stator magnets realize direct relative angle location then effectively ensure that the accuracy that relative angle is located.For the ease of utilizing the circumferential interval between location division 4 and stator magnet 1 to determine its relative position, can make location division and stator magnet wherein at least one contacts, thus realize the restriction of circumferentially relative freedom.Those skilled in the art can understand, the both sides shape of location division 4 and the profile along the circumferential direction of stator magnet 1 adapt, such as shown in FIG., when two sides at the formation interval of stator magnet 1 are parallel straight edge, the both sides of location division 4 also can be that the tooth of parallel straight edge or the parallel straight edge as shown in the figure with gabarit alignment stator magnet is beneficial to stable assembling.
As shown in the figure, in this specific embodiment, the both sides of the location division 4 of brush carrier 2 are formed with multiple tooth 41, and on its body part, be formed with longitudinal fluting 42, tooth 41 herein and groove 42 all can strain thus can compensate assembling degree of tightness and together with C shape spring 3 fastening stator magnet 1, realize stable location.Can understand, no matter be and the location division of brush carrier global formation or location division shaping separately, the tooth 41 in aforesaid side direction all only can be set or longitudinal groove 42 be only set thus realize applicable strain; Also only flexible tooth can be formed on side in further variants, and on the quantity of the quantity of Elastic Teeth and groove also can have different changes (can have one or more), can be arranged on the body of location division front and rear surfaces.However, in optional embodiment, in order to further simplified manufacturing technique and minimizing manufacturing cost, also the Elastic Teeth 41 on location division and longitudinal fluting 42 can be saved, make location division be smooth column structure, be suitable for being plugged in the interval of stator magnet to realize the angle location of brush-system and stator magnet.
Illustrate in Fig. 1 and clamped stator magnet with C shape spring 3 and location division 4 and be fastened in the shell of pole.But, in other optional execution mode, also can realize stator magnet 1 fixing in the shell of pole by alternate manner.Such as, by the corresponding position coating viscose glue on the surface and/or on the inner surface of outer cover of pole of the external arc at stator magnet, two stator magnets can be bonded in position suitable in the shell of pole along the circumferencial direction compartment of terrain of pole shell; Again such as, the caulking groove with stator magnet matching form can be formed on the inner surface of outer cover of pole, thus the circumferencial direction compartment of terrain of two stator magnets along pole shell is entrenched on the inner surface of pole shell.The C shape spring 3 in illustrated embodiment can be saved in these two kinds of fixed forms.It should be understood that, no matter adopt bonding or chimeric or other any fixed form, the angle location effect along all circumferential directions all can be played in an interval between two stator magnets with the location division on brush carrier, now location division is preferably provided with and is similar to the side tooth in aforementioned embodiments and/or the longitudinal fluting on its body part to reach the effect of positioning stablity, also can only in smooth column structure.
In the variants execution mode of pole housing arrangement of the present invention, the combination of in the modes such as aforementioned adhesion, chimeric and clamping two or three can be adopted to carry out fastening pole shell.Such as, while C shape spring 3 and location division 4 can be used to clamp stator magnet 1, stator magnet 1 is bonded and/or be entrenched on the inner surface of pole shell, the inner surface that also stator magnet 1 can be entrenched in pole shell bonds with viscose glue simultaneously.Can understand, such fixed form will more firmly, reliably.
If the front description carried out the preferred embodiment of the present invention is with reference to the accompanying drawings only exemplary and explanat; Those skilled in the art also can carry out accommodation or the remodeling of equivalent or similar type under teaching herein to the preferred embodiment of the present invention, these flexible or remodeling also will fall in the protection range that covered by claims of the present invention.

Claims (10)

1. be used in the pole housing arrangement on motor, it is characterized in that, described pole housing arrangement comprises:
Pole shell;
Circumferentially spaced two stator magnets on the inner surface of described pole shell;
Be arranged on the brush carrier in the shell of described pole, described brush carrier is fixed with location division, at least contact one of them stator magnet in the circumferential interval that described location division is inserted in described two stator magnets.
2. pole housing arrangement as claimed in claim 1, wherein, the body side of described location division being formed with Elastic Teeth and/or described location division is formed with longitudinal fluting.
3. pole housing arrangement as claimed in claim 1 or 2, wherein, described location division and described brush carrier integrated injection molding.
4. pole housing arrangement as claimed in claim 1 or 2, wherein, described stator magnet is fixed in the housing of described pole by clamping, bonding and at least one mode in being fitted together to.
5. pole housing arrangement as claimed in claim 1 or 2, wherein, have two circumferential intervals between described two stator magnets, described location division of planting in one of them circumferential interval, is provided with the flexible member along the circumferential direction pushing against described two stator magnets in another circumferential interval.
6. an automotive wiper motor, is characterized in that, described automotive wiper motor has the pole housing arrangement according to any one of aforementioned claim 1 to 5.
7. an assemble method for pole housing arrangement as claimed in claim 1, is characterized in that, said method comprising the steps of:
Steps A: described two stator magnets, described location division are fixed on fixture, make described two stator magnets circumferentially interval, described location division be inserted in described two stator magnets circumferential interval in and at least contact one of them stator magnet;
Step B: described pole shell to be nested with on described two stator magnets with described brush carrier and described pole shell is relative fixing with described two stator magnets.
8. method as claimed in claim 7, wherein, the side of described location division is formed Elastic Teeth and/or is formed with longitudinal fluting on the body of described location division.
9. method as claimed in claim 7 or 8, wherein, in described step B, described pole shell is realized by bonding, chimeric and in clamping at least one mode with the relative fixing of described two stator magnets.
10. method as claimed in claim 7 or 8, wherein, also comprise in described steps A: described location division of planting in a circumferential interval between described two stator magnets, in another circumferential interval, place the flexible member along the circumferential direction pushing against described two stator magnets.
CN201410036611.1A 2014-01-26 2014-01-26 Pole shell device, assembling method and motor Pending CN104810959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410036611.1A CN104810959A (en) 2014-01-26 2014-01-26 Pole shell device, assembling method and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410036611.1A CN104810959A (en) 2014-01-26 2014-01-26 Pole shell device, assembling method and motor

Publications (1)

Publication Number Publication Date
CN104810959A true CN104810959A (en) 2015-07-29

Family

ID=53695549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410036611.1A Pending CN104810959A (en) 2014-01-26 2014-01-26 Pole shell device, assembling method and motor

Country Status (1)

Country Link
CN (1) CN104810959A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105322704A (en) * 2015-11-09 2016-02-10 嘉兴市钮斯达电机有限公司 Motor structure suitable for automatic assembly
CN108777523A (en) * 2018-05-30 2018-11-09 浙江开拓汽车电器有限公司 The brush rocker structure of motor, the brush holder installation method of motor and motor
CN110492656A (en) * 2018-05-15 2019-11-22 Seg汽车德国有限公司 The pole housing of the stator of the machine of electricity

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1116371A (en) * 1993-04-14 1996-02-07 德昌电机股份有限公司 A PMDC electric motor with a magnet spacer
JP2002044885A (en) * 2000-07-26 2002-02-08 Mitsubishi Electric Corp Magnet retainer, permanent magnet rotating machine and fastening method of permanent magnet
CN101563833A (en) * 2006-12-19 2009-10-21 罗伯特·博世有限公司 Pole housing arrangement
CN101924404A (en) * 2009-06-11 2010-12-22 国产电机株式会社 Motor and magnetic fixing spring thereof
CN103081297A (en) * 2010-09-13 2013-05-01 三菱电机株式会社 Rotating electrical machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1116371A (en) * 1993-04-14 1996-02-07 德昌电机股份有限公司 A PMDC electric motor with a magnet spacer
JP2002044885A (en) * 2000-07-26 2002-02-08 Mitsubishi Electric Corp Magnet retainer, permanent magnet rotating machine and fastening method of permanent magnet
CN101563833A (en) * 2006-12-19 2009-10-21 罗伯特·博世有限公司 Pole housing arrangement
CN101924404A (en) * 2009-06-11 2010-12-22 国产电机株式会社 Motor and magnetic fixing spring thereof
CN103081297A (en) * 2010-09-13 2013-05-01 三菱电机株式会社 Rotating electrical machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105322704A (en) * 2015-11-09 2016-02-10 嘉兴市钮斯达电机有限公司 Motor structure suitable for automatic assembly
CN110492656A (en) * 2018-05-15 2019-11-22 Seg汽车德国有限公司 The pole housing of the stator of the machine of electricity
CN110492656B (en) * 2018-05-15 2024-02-06 Seg汽车德国有限公司 Pole housing of a stator of an electric machine
CN108777523A (en) * 2018-05-30 2018-11-09 浙江开拓汽车电器有限公司 The brush rocker structure of motor, the brush holder installation method of motor and motor

Similar Documents

Publication Publication Date Title
JP4944967B2 (en) Transmission housing
US9381948B2 (en) Cowl top cover
CN104810959A (en) Pole shell device, assembling method and motor
CN103717456A (en) Clamp
CN202274196U (en) Fixed pipe clamp for pipelines of automobile air conditioner
KR20140000690A (en) Attachment device for a line and method for attaching a line
US9103155B2 (en) Window pane fastening
US20150041620A1 (en) Integrated type engine mount for vehicle
EP1813503A8 (en) Trim plate for steering wheel
RU2603430C2 (en) Adapter for fastening of wiper blade to its lever, primarily for automotive wiper
US7287800B2 (en) Motorcycle trim
US7639508B2 (en) Fastening of a built-in unit on a switchboard and fitting method for fastening a built-in unit
KR20130063943A (en) Frame sealing unit for vehicle
WO2015132363A1 (en) Accessory and method for installing same.
CN101700734A (en) Automobile triangular window positioning and mounting structure
FR3045975B1 (en) BRUSH HOLDER ASSEMBLY FOR ELECTRIC MOTOR
CN206383935U (en) Wiper fastening assembly, wiper and vehicle
JP5065143B2 (en) Rubber products for sandwiching automobile flanges
WO2005024250A2 (en) Assembly for attaching a clamp to a hose
KR20050112014A (en) Cover­unit for Anti­lock Brake System moter of cars
JP2000050537A (en) Direct current motor and power tool provided with direct current motor
CN103296814B (en) Motor clip, motor fixing device and air conditioner
KR102548368B1 (en) Noise prevention structure of ECU and bracket
JPH0356203B2 (en)
CN102837787B (en) Handle operation device for small vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150729