JP7522143B2 - 軸受ユニットをギヤボックスに組み付ける方法 - Google Patents
軸受ユニットをギヤボックスに組み付ける方法 Download PDFInfo
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- JP7522143B2 JP7522143B2 JP2022010860A JP2022010860A JP7522143B2 JP 7522143 B2 JP7522143 B2 JP 7522143B2 JP 2022010860 A JP2022010860 A JP 2022010860A JP 2022010860 A JP2022010860 A JP 2022010860A JP 7522143 B2 JP7522143 B2 JP 7522143B2
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- 239000002184 metal Substances 0.000 claims description 118
- 230000004308 accommodation Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 18
- 239000003638 chemical reducing agent Substances 0.000 description 11
- 239000004519 grease Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000004323 axial length Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
- F16C23/04—Sliding-contact bearings self-adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/02—Sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
- F16H55/24—Special devices for taking up backlash
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/081—Structural association with bearings specially adapted for worm gear drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
- F16F1/44—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression
- F16F1/445—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression the spring material being contained in a generally closed space
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H2057/0213—Support of worm gear shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/03—Machines characterised by thrust bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Vibration Prevention Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Gear Transmission (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Description
図1は、本実施形態に係る減速機付きモータ1(以下「モータ1」という)の平面図であり、要部を断面で示す。図1において、モータ1は静止している状態であるものとする。モータ1は、例えば車両のパワーウィンドウシステムに適用される。図1に示すように、モータ1は、駆動源としてのモータ部2と、モータ部2の回転速度を減速して出力する減速機構3と、減速機構3を収容するギヤボックス4とを備える。
メタルホルダ50は、オイルレスメタル40を保持する機能に加え、軸受ユニット10を収容部4A内に固定する機能と、上記の通り、シャフト受け部品30と共に軸受ユニット10を一体化する機能とを併せ持ち、シャフト受け部品30を軸方向に分離可能に保持する。以下、メタルホルダ50について詳述する。
図2,図3,図7及び図8を参照して、上述した軸受ユニット10の作用を説明する。軸受ユニット10は、各部品20,30,40,50が一体化されてからギヤボックス4に組み込まれる。その後、軸受ユニット10は、ギヤボックス4にシャフト2Aが挿入,配設されることで、メタルホルダ50にシャフト受け部品30が軽圧入された状態が解消され、各部品20,30,40,50が所定の位置に配置される。これにより、軸受ユニット10は、その機能を発揮する状態となる。
一体化された軸受ユニット10は、メタルホルダ50の圧入端部51のみがギヤボックス4の圧入壁4cに圧入されて、ギヤボックス4に組み込まれる。このとき、メタルホルダ50の圧入端部51を、位置決め面51fが圧入壁4cの平板状をなす部分に対向するように配置する。言い換えれば、軸受ユニット10を、位置決め面51fが図7の下側を向く姿勢で収容部4Aに挿入し、圧入端部51を圧入壁4cに圧入して位置決めしつつ配置する。これにより、メタルホルダ50の一つの突出片52が、シャフト2Aに作用するラジアル荷重を受ける位置(図7の上側)に配置される。収容部4Aの内部は、外部から視認しにくく、軸受ユニット10を適切な姿勢で固定することは困難であるが、位置決め面51fが存在することにより、適切な姿勢でしか圧入端部51を圧入壁4cに圧入することができなくなっているため、常に適切な姿勢においてのみ圧入固定が実現され、取り付けミスなどの発生を抑制することができる。
(1)上述した軸受ユニット10及びこの軸受ユニット10が適用されたモータ1では、軸受ユニット10をギヤボックス4に組み込む前に、各部品20,30,40,50が一つの組立軸受として一体化される。これにより、シャフト2Aの端部2aに付設される複数の部品20,30,40,50を適切な位置に一括して配置することができるので、組み付け手順を単純化でき、組み付け作業を容易にすることができる。
上述の実施形態で説明した軸受ユニット10及びモータ1の構成は一例であって、上述したものに限らない。例えば、シャフト受け部品30の凹部35は省略されてもよいし、反対に凹部35の深さを大きくして、受け面30fの軸方向位置をホルダ側圧入部33とガイド部34との段差位置やホルダ側圧入部33と重なる位置にしていてもよい。
2 モータ部
2A シャフト
2a 端部
3 減速機構
3A ウォーム
3B ウォームホイール
4 ギヤボックス
4A 収容部
10 軸受ユニット
20 スラストダンパ
20h 内孔
22 他側端面(他方の端面)
30 シャフト受け部品
31 ダンパ側圧入部
32 鍔部
33 ホルダ側圧入部
33f 筒面
34 ガイド部
34f 筒面
35 凹部(シャフト当接部)
40 オイルレスメタル
50 メタルホルダ
51 圧入端部
51a 内周面
51b シャフト案内面
51c 外周面
51f 位置決め面
52 突出片
52f 内周面(オイルレスメタル側を向く面)
53 保持片
53f 内周面(オイルレスメタル側を向く面)
S1 ウォーム収容空間
S2 ホイール収容空間
S3 軸受収容空間
Claims (1)
- シャフトの軸方向に伸縮可能なスラストダンパと、前記シャフトが当接する面を持つシャフト受け部品と、オイルレスメタルと、前記シャフト受け部品及び前記オイルレスメタルを保持するメタルホルダと、を備えた軸受ユニットを、ギヤボックスに組み付ける方法であって、
前記オイルレスメタルを前記メタルホルダに対して回動自在に保持させ、前記シャフト受け部品を前記スラストダンパに圧入し、前記オイルレスメタルを保持した状態の前記メタルホルダに対して前記シャフト受け部品を軽圧入することで、前記スラストダンパと前記シャフト受け部品と前記メタルホルダと前記オイルレスメタルとを一体化する第一工程と、
前記ギヤボックスの収容部に、前記一体化された状態の前記メタルホルダの圧入端部を圧入固定することで、前記ギヤボックスに前記軸受ユニットを組み込む第二工程と、
前記ギヤボックスへ組み込んだ後に前記シャフトを前記ギヤボックス内に配設するとともに、前記シャフトによって前記シャフト受け部品を押圧することで前記シャフト受け部品と前記メタルホルダとの軽圧入状態を解消して前記メタルホルダに前記シャフト受け部品を前記軸方向に摺動自在に保持させる第三工程と、を備えた
ことを特徴とする、軸受ユニットをギヤボックスに組み付ける方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022010860A JP7522143B2 (ja) | 2022-01-27 | 2022-01-27 | 軸受ユニットをギヤボックスに組み付ける方法 |
CN202280005773.1A CN116829847A (zh) | 2022-01-27 | 2022-10-14 | 轴承单元及带减速器的马达 |
PCT/JP2022/038360 WO2023145150A1 (ja) | 2022-01-27 | 2022-10-14 | 軸受ユニット及び減速機付きモータ |
DE112022000103.8T DE112022000103T5 (de) | 2022-01-27 | 2022-10-14 | Wellenlagereinheit und Motor mit Untersetzungsgetriebe |
US18/042,769 US11892071B2 (en) | 2022-01-27 | 2022-10-14 | Bearing unit and speed reducer-equipped motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2022010860A JP7522143B2 (ja) | 2022-01-27 | 2022-01-27 | 軸受ユニットをギヤボックスに組み付ける方法 |
Publications (2)
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JP2023109382A JP2023109382A (ja) | 2023-08-08 |
JP7522143B2 true JP7522143B2 (ja) | 2024-07-24 |
Family
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JP2022010860A Active JP7522143B2 (ja) | 2022-01-27 | 2022-01-27 | 軸受ユニットをギヤボックスに組み付ける方法 |
Country Status (5)
Country | Link |
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US (1) | US11892071B2 (ja) |
JP (1) | JP7522143B2 (ja) |
CN (1) | CN116829847A (ja) |
DE (1) | DE112022000103T5 (ja) |
WO (1) | WO2023145150A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012135183A (ja) | 2010-12-24 | 2012-07-12 | Mitsuba Corp | 減速機構付モータ |
JP2013048550A (ja) | 2011-08-10 | 2013-03-07 | Johnson Electric Sa | ギアモータ組立体 |
CN109861436A (zh) | 2017-11-30 | 2019-06-07 | 马渊马达株式会社 | 电机单元的轴向减震结构以及电机单元 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0724453B2 (ja) * | 1986-07-11 | 1995-03-15 | アスモ株式会社 | モ−タの軸受装置 |
EP0964185B1 (fr) | 1996-05-03 | 2004-04-14 | Arvinmeritor Light Vehicle Systems-France | Motoréducteur notamment pour l'entrainement d'équipements de vehicules |
WO1999059235A1 (fr) * | 1998-05-14 | 1999-11-18 | Mabuchi Motor Co., Ltd. | Moteur de taille reduite avec reducteur de la vitesse de la vis et procede de fabrication de ce moteur |
KR101989815B1 (ko) * | 2017-10-31 | 2019-06-18 | 주식회사 다스 | 샤프트 고정장치 및 기어박스 |
CN207530655U (zh) * | 2017-11-30 | 2018-06-22 | 马渊马达株式会社 | 电机单元的轴向减震结构以及电机单元 |
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2022
- 2022-01-27 JP JP2022010860A patent/JP7522143B2/ja active Active
- 2022-10-14 CN CN202280005773.1A patent/CN116829847A/zh active Pending
- 2022-10-14 US US18/042,769 patent/US11892071B2/en active Active
- 2022-10-14 DE DE112022000103.8T patent/DE112022000103T5/de active Pending
- 2022-10-14 WO PCT/JP2022/038360 patent/WO2023145150A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012135183A (ja) | 2010-12-24 | 2012-07-12 | Mitsuba Corp | 減速機構付モータ |
JP2013048550A (ja) | 2011-08-10 | 2013-03-07 | Johnson Electric Sa | ギアモータ組立体 |
CN109861436A (zh) | 2017-11-30 | 2019-06-07 | 马渊马达株式会社 | 电机单元的轴向减震结构以及电机单元 |
Also Published As
Publication number | Publication date |
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US11892071B2 (en) | 2024-02-06 |
DE112022000103T5 (de) | 2023-09-28 |
US20230383834A1 (en) | 2023-11-30 |
JP2023109382A (ja) | 2023-08-08 |
CN116829847A (zh) | 2023-09-29 |
WO2023145150A1 (ja) | 2023-08-03 |
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