JPH07308044A - Motor assembly - Google Patents

Motor assembly

Info

Publication number
JPH07308044A
JPH07308044A JP6097099A JP9709994A JPH07308044A JP H07308044 A JPH07308044 A JP H07308044A JP 6097099 A JP6097099 A JP 6097099A JP 9709994 A JP9709994 A JP 9709994A JP H07308044 A JPH07308044 A JP H07308044A
Authority
JP
Japan
Prior art keywords
pair
bearings
electric motor
bearing support
support members
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
JP6097099A
Other languages
Japanese (ja)
Inventor
Takaharu Kanbayashi
隆治 神林
Masaru Kobori
勝 小堀
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.)
Oriental Motor Co Ltd
Original Assignee
Oriental Motor 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 Oriental Motor Co Ltd filed Critical Oriental Motor Co Ltd
Priority to JP6097099A priority Critical patent/JPH07308044A/en
Publication of JPH07308044A publication Critical patent/JPH07308044A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
    • 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
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

PURPOSE:To provide a motor assembly in which the size and weight of motor can be reduced. CONSTITUTION:In a motor assembly where a rotary shaft 22 having a hollow section 21 is supported by a pair of supporting members 25, 26 through a pair of bearings 23, 24, the pair of bearing supporting members 25, 26 are provided, respectively, with through holes 27, 28. The pair of bearings 23, 24 are fitted in the through holes and partially directed toward the outside.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、電動機の組立構造に関
し、詳しくは、中空部を有する回転軸を一対の軸受けを
介して一対の軸受け支持部材によって支持するようにし
た電動機の組立構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric motor assembly structure, and more particularly, to an electric motor assembly structure in which a rotary shaft having a hollow portion is supported by a pair of bearing support members via a pair of bearings.

【０００２】[0002]

【従来の技術】従来のこの種の電動機１としては、例え
ば図２に示すようなものがある。図２において、２は固
定子、３は回転子、４は軸方向に伸びる中空部５を有す
る回転軸、６，７は回転軸４を軸受け８，９を介して回
転自在に支持する一対の軸受け支持部材である。2. Description of the Related Art As a conventional electric motor 1 of this type, there is, for example, one shown in FIG. In FIG. 2, 2 is a stator, 3 is a rotor, 4 is a rotary shaft having a hollow portion 5 extending in the axial direction, 6 and 7 are a pair of rotatably supporting the rotary shaft 4 via bearings 8 and 9. It is a bearing support member.

【０００３】一対の軸受け８，９は、軸受け部材６，７
に形成された凹部１０，１１に嵌入され、スペーサ１
２，１３と軸受け支持部材６，７の壁部６ａ，７ａとに
よって挟持されている。A pair of bearings 8 and 9 are bearing members 6 and 7.
Is inserted into the recesses 10 and 11 formed in the
2 and 13 and the wall portions 6a and 7a of the bearing support members 6 and 7 sandwich them.

【０００４】[0004]

【発明が解決しようとする課題】ところで、このような
従来の電動機の組立構造では、回転軸４は、中空部５を
有する分大径となるとともに、これに伴って、軸受け
８，９も大径かつ厚みの大きいものとなっていた。By the way, in such a conventional structure for assembling an electric motor, the rotary shaft 4 has a large diameter because it has the hollow portion 5, and accordingly, the bearings 8 and 9 are also large. It had a large diameter and a large thickness.

【０００５】このため、電動機１の長さも増加して、大
型化するとともに、重量化する不具合があった。As a result, the length of the electric motor 1 is increased, resulting in an increase in size and weight.

【０００６】本発明は、上記実情に鑑みてなされたもの
で、電動機の小型化および軽量化を図ることができる電
動機の組立構造を提供することを目的とする。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an assembly structure of an electric motor, which can reduce the size and weight of the electric motor.

【０００７】[0007]

【課題を解決するための手段】本発明では、上記目的を
達成するために、中空部を有する回転軸を一対の軸受け
を介して一対の軸受け支持部材によって支持する電動機
の組立構造において、上記一対の軸受け支持部材にそれ
ぞれ貫通孔を設け、該貫通孔に上記一対の軸受けをそれ
ぞれ嵌入させ、もって、上記一対の軸受けの一部を外部
に臨ませた構成としている。In order to achieve the above object, the present invention provides an assembly structure of an electric motor in which a rotating shaft having a hollow portion is supported by a pair of bearing support members via a pair of bearings. Through-holes are provided in the bearing support members, and the pair of bearings are fitted into the through-holes, so that a part of the pair of bearings is exposed to the outside.

【０００８】[0008]

【実施例】以下、本発明に係る電動機の組立構造の一実
施例を添付図面を参照しながら詳細に説明する。図１
は、本発明に係る電動機の組立構造の一実施例を示すも
のである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electric motor assembly structure according to the present invention will now be described in detail with reference to the accompanying drawings. Figure 1
Shows an embodiment of the assembly structure of the electric motor according to the present invention.

【０００９】本実施例の電動機２０は、図１に示すよう
に、中空部２１を有する回転軸２２を一対の軸受け２
３，２４を介して一対の軸受け支持部材２５，２６によ
って支持するようにしたものである。As shown in FIG. 1, the electric motor 20 of the present embodiment includes a pair of bearings 2 each having a rotary shaft 22 having a hollow portion 21.
It is configured to be supported by a pair of bearing support members 25, 26 via 3, 24.

【００１０】電動機２０の一対の軸受け支持部材２５，
２６には、それぞれ貫通孔２７，２８を設けるととも
に、これら貫通孔２７，２８の周囲に環状凹部２９，３
０を設けている。A pair of bearing support members 25 of the electric motor 20,
26 are provided with through holes 27 and 28, respectively, and annular recesses 29 and 3 are provided around these through holes 27 and 28.
0 is set.

【００１１】軸受け２３，２４の外輪には、環状溝がそ
れぞれ形成され、これらの環状溝に環状のスナップリン
グ３１，３２がそれぞれ嵌着されている。Annular grooves are formed in the outer rings of the bearings 23 and 24, and annular snap rings 31 and 32 are fitted in these annular grooves, respectively.

【００１２】軸受け２３，２４は、貫通孔２７，２８に
軸受け部材２５，２６の内側から嵌入して、そのスナッ
プリング３１，３２を環状凹部２９，３０内に位置させ
る。The bearings 23 and 24 are fitted into the through holes 27 and 28 from the inside of the bearing members 25 and 26, and the snap rings 31 and 32 thereof are located in the annular recesses 29 and 30, respectively.

【００１３】さらに、軸受け２３，２４の内輪と回転子
３３との間にスペーサ３４，３５を配置する。これによ
って、軸受け２３，２４は、スナップリング３１，３２
およびスペーサ３４，３５を介して、軸受け支持部材２
５，２６と回転子３３との間に固定される。Further, spacers 34 and 35 are arranged between the inner rings of the bearings 23 and 24 and the rotor 33. As a result, the bearings 23 and 24 are attached to the snap rings 31 and 32.
And the bearing support member 2 via the spacers 34 and 35.
It is fixed between 5, 26 and the rotor 33.

【００１４】このとき、軸受け２３，２４の一部は、軸
受け支持部材２５，２６より外側へ突出している。これ
により、軸受け支持部材２５，２６間の長さが縮小さ
れ、該軸受け支持部材を小さく形成することができるの
で、電動機２０が小型化するとともに、軽量化する。At this time, a part of the bearings 23, 24 projects outward from the bearing support members 25, 26. As a result, the length between the bearing support members 25 and 26 is reduced, and the bearing support member can be formed small, so that the electric motor 20 is downsized and the weight is reduced.

【００１５】また、軸受け２３，２４の一部を外部へ露
出させていることにより、この露出部分を電動機２０と
他の機器（図示せず）とを結合する際の位置決め用嵌合
部として用いることができる。Further, by exposing a part of the bearings 23 and 24 to the outside, this exposed part is used as a positioning fitting portion when the electric motor 20 and another device (not shown) are coupled. be able to.

【００１６】なお、図１において、３６は、軸受け支持
部材２５，２６間に保持固定された固定子である。In FIG. 1, reference numeral 36 is a stator which is held and fixed between the bearing support members 25 and 26.

【００１７】[0017]

【発明の効果】以上説明したように、本発明に係る電動
機の組立構造によれば、中空部を有する回転軸を一対の
軸受けを介して一対の軸受け支持部材によって支持する
電動機の組立構造において、上記一対の軸受け支持部材
にそれぞれ貫通孔を設け、該貫通孔に上記一対の軸受け
をそれぞれ嵌入させ、もって、上記一対の軸受けの一部
を外部に臨ませた構成としているので、次のような効果
を得ることができる。As described above, according to the electric motor assembling structure of the present invention, in the electric motor assembling structure in which the rotating shaft having the hollow portion is supported by the pair of bearing supporting members via the pair of bearings, Since a through hole is provided in each of the pair of bearing support members, and the pair of bearings are respectively fitted in the through holes, and thus a part of the pair of bearings is exposed to the outside, The effect can be obtained.

【００１８】すなわち、本発明では、上記一対の軸受け
の一部を上記一対の軸受け支持部材より外側へ突出させ
ているので、上記一対の軸受け支持部材間の長さが縮小
されて、該軸受け支持部材を小さくすることができるの
で、当該電動機の小型化および軽量化を図ることができ
る。That is, in the present invention, since a part of the pair of bearings is projected outward from the pair of bearing supporting members, the length between the pair of bearing supporting members is reduced, and the bearing supporting members are reduced. Since the member can be made smaller, the electric motor can be made smaller and lighter.

【００１９】また、上記一対の軸受けの一部を外部へ露
出させていることにより、この露出部分を当該電動機と
他の機器とを結合する際の位置決め用嵌合部として用い
ることができる。Further, by exposing a part of the pair of bearings to the outside, this exposed part can be used as a positioning fitting portion when the electric motor and another device are coupled.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明に係る電動機の組立構造の一実施例を示
す断面図である。FIG. 1 is a sectional view showing an embodiment of an assembly structure of an electric motor according to the present invention.

【図２】従来の電動機の組立構造の例を示す断面図であ
る。FIG. 2 is a sectional view showing an example of a conventional assembly structure of an electric motor.

【符号の説明】[Explanation of symbols]

２０ 電動機 ２１ 中空部 ２２ 回転軸 ２３，２４ 軸受け ２５，２６ 軸受け支持部材 ２７，２８ 貫通孔 ２９，３０ 環状凹部 20 Electric motor 21 Hollow part 22 Rotating shaft 23,24 Bearing 25,26 Bearing support member 27,28 Through hole 29,30 Annular recess

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 中空部を有する回転軸を一対の軸受けを
介して一対の軸受け支持部材によって支持する電動機の
組立構造において、上記一対の軸受け支持部材にそれぞ
れ貫通孔を設け、該貫通孔に上記一対の軸受けをそれぞ
れ嵌入させ、もって、上記一対の軸受けの一部を外部に
臨ませたことを特徴とする電動機の組立構造。1. In an assembly structure of an electric motor, wherein a rotary shaft having a hollow portion is supported by a pair of bearing support members via a pair of bearings, each of the pair of bearing support members is provided with a through hole, and the through hole is provided with the through hole. An assembly structure of an electric motor, characterized in that a pair of bearings are fitted into each other so that a part of the pair of bearings is exposed to the outside.
JP6097099A 1994-05-11 1994-05-11 Motor assembly Pending JPH07308044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6097099A JPH07308044A (en) 1994-05-11 1994-05-11 Motor assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6097099A JPH07308044A (en) 1994-05-11 1994-05-11 Motor assembly

Publications (1)

Publication Number Publication Date
JPH07308044A true JPH07308044A (en) 1995-11-21

Family

ID=14183181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6097099A Pending JPH07308044A (en) 1994-05-11 1994-05-11 Motor assembly

Country Status (1)

Country Link
JP (1) JPH07308044A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014068416A (en) * 2012-09-24 2014-04-17 Minebea Co Ltd Rotary electric machine
US10137908B2 (en) 2011-06-13 2018-11-27 General Electric Company Vehicle traction control system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10137908B2 (en) 2011-06-13 2018-11-27 General Electric Company Vehicle traction control system and method
JP2014068416A (en) * 2012-09-24 2014-04-17 Minebea Co Ltd Rotary electric machine

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