JPH023708A - Electric motor type driving device - Google Patents
Electric motor type driving deviceInfo
- Publication number
- JPH023708A JPH023708A JP63141001A JP14100188A JPH023708A JP H023708 A JPH023708 A JP H023708A JP 63141001 A JP63141001 A JP 63141001A JP 14100188 A JP14100188 A JP 14100188A JP H023708 A JPH023708 A JP H023708A
- Authority
- JP
- Japan
- Prior art keywords
- clutch
- output shaft
- rotor
- clutch rotor
- flange
- 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
Links
- 230000035699 permeability Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000000696 magnetic material Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、電動機の回転を減速しこれを電磁クラッチ
を介して出力軸に伝達するようにした電動式駆動装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electric drive device that reduces the rotation speed of an electric motor and transmits this speed to an output shaft via an electromagnetic clutch.
（従来の技術〕
第２図は従来の電動式駆動装置の断面図、第３図は同じ
く側面図、第４図は第２図のＩＶ−ＩＶ線断面図、第５
図は同じ＜Ｖ−Ｖ線断面図を示す、各図において、ｌは
電動機で、その出力軸にピニオン２を備えている。３は
第１の段付歯車で、その大歯車３ａがピニオン２と噛合
い、小歯車３ｂが第２の段付歯車４の大歯車４ａと噛合
い、その小歯車４ｂが出力歯車５と噛合っている。これ
らピニオン２、第１，２の段付歯車３．４および出力歯
車５で減速歯車機構を構成している。６は一端部に上記
出力歯車５が装着され、他端面に磁気吸着面６ａを有す
るクラッチロータで、出力軸１０に回転自在に支軸され
ている。７はロータ６と対向したクラッチ可動板で、出
力軸１０に固着したフランジ９の側端部にリターンばね
８で取付けられている、１１は上記クラッチロータ６に
装着されたクラッチヨーク、１２はヨークに巻装したコ
イルで、！磁りラッチ１３の磁気回路を形成している。(Prior art) Fig. 2 is a sectional view of a conventional electric drive device, Fig. 3 is a side view thereof, Fig. 4 is a sectional view taken along the line IV-IV in Fig. 2, and Fig. 5 is a sectional view of a conventional electric drive device.
The figures show the same <VV line cross-sectional view. In each figure, l is an electric motor, and the output shaft thereof is equipped with a pinion 2. 3 is a first stepped gear, the large gear 3a meshes with the pinion 2, the small gear 3b meshes with the large gear 4a of the second stepped gear 4, and the small gear 4b meshes with the output gear 5. ing. These pinion 2, first and second stepped gears 3.4, and output gear 5 constitute a reduction gear mechanism. A clutch rotor 6 has the output gear 5 mounted on one end thereof and a magnetic attraction surface 6a on the other end, and is rotatably supported by the output shaft 10. 7 is a clutch movable plate facing the rotor 6, which is attached to the side end of a flange 9 fixed to the output shaft 10 with a return spring 8; 11 is a clutch yoke attached to the clutch rotor 6; 12 is a yoke With a coil wrapped in,! It forms the magnetic circuit of the magnetic latch 13.
２２は減速歯車機構側のハウジング、２３は電動機１．
電磁クラッチ１３側のハウジングである。１４は出力軸
５の一端にナツト１５で固定した回動レバーで、このレ
バーの溝１４ａに外部負荷駆動用のワイヤ１６が巻付け
られている。１７は第１図の矢印方向から見て回動レバ
ー１４を時計方向に回転力を付勢するリターンばね、１
８は出力軸１０と連動して回転し、回転角に対応して抵
抗値が変化するポテンショメータである。第３図におい
て１９ａ、１９ｂは回動レバー１４の回転範囲を規制す
る制止部である。22 is the housing on the reduction gear mechanism side, 23 is the electric motor 1.
This is the housing on the electromagnetic clutch 13 side. Reference numeral 14 denotes a rotary lever fixed to one end of the output shaft 5 with a nut 15, and a wire 16 for driving an external load is wound around a groove 14a of this lever. Reference numeral 17 denotes a return spring that applies rotational force to the rotating lever 14 in the clockwise direction when viewed from the direction of the arrow in FIG.
8 is a potentiometer that rotates in conjunction with the output shaft 10 and whose resistance value changes in accordance with the rotation angle. In FIG. 3, reference numerals 19a and 19b are stop portions that restrict the rotation range of the rotary lever 14. As shown in FIG.
次に動作について説明する。引出線２０ａ。Next, the operation will be explained. Leader line 20a.
２０ｂより電動機１に電圧が印加されると、これが回転
駆動しその出力はピニオン２第１および第２の段付歯車
３．４を経て出力歯車５へ伝達される。この状態で電磁
クラッチ１３のコイル１２が無通電状態であればクラッ
チロータ６は出力軸１０を空転し、出力軸１０には回転
力は伝わらない。When a voltage is applied to the electric motor 1 from 20b, it rotates and its output is transmitted to the output gear 5 via the first and second stepped gears 3.4 of the pinion 2. In this state, if the coil 12 of the electromagnetic clutch 13 is in a non-energized state, the clutch rotor 6 idles around the output shaft 10, and no rotational force is transmitted to the output shaft 10.
かくして、外部引出線２１ａ、２１ｂよりコイル１２に
通電されるとクラッチ可動板７がロータ６に磁気吸着さ
れ、これによりロータ６の回転がクラッチ可動板７から
フランジ９を経て出力軸１０を回転駆動する。ここで、
回動レバー１４の所望の回転角（目標値）を制御回路（
図示せず）に入力すると、制御回路は電動機ｌを駆動し
電磁クラッチ１３を介して出力軸１０を回転させる。出
力軸１０の回転角はこれと連動して回転するポテンショ
メータ１８の抵抗値変化により検出可能である。また、
制御回路は目標値とポテンショメータ１８の抵抗値（制
御量）が−敗した回転角で電動ａｔの駆動を停止し、所
望の回動レバー１４の回転角が得られる。In this way, when the coil 12 is energized from the external lead wires 21a and 21b, the clutch movable plate 7 is magnetically attracted to the rotor 6, whereby the rotation of the rotor 6 passes from the clutch movable plate 7, through the flange 9, and rotationally drives the output shaft 10. do. here,
The control circuit (
(not shown), the control circuit drives the electric motor l to rotate the output shaft 10 via the electromagnetic clutch 13. The rotation angle of the output shaft 10 can be detected by a change in the resistance value of a potentiometer 18 that rotates in conjunction with the rotation angle. Also,
The control circuit stops driving the electric AT at a rotation angle at which the target value and the resistance value (control amount) of the potentiometer 18 are negative, and a desired rotation angle of the rotation lever 14 is obtained.
従来の電動式駆動装置は以上のように構成されているの
で、クラッチコイル１２に通電時に発生する磁束は磁性
材からできているクラッチロータ６や出力軸１０および
フランジ９に漏洩し、この結果、クラッチロータ６とク
ラッチ可動板７の吸着面を通過する有効磁束が減少する
ため電磁クラッチ１３の伝達トルクが低下するという課
題があった。Since the conventional electric drive device is configured as described above, the magnetic flux generated when the clutch coil 12 is energized leaks to the clutch rotor 6, the output shaft 10, and the flange 9, which are made of magnetic material, and as a result, There has been a problem in that the effective magnetic flux passing through the attraction surfaces of the clutch rotor 6 and the clutch movable plate 7 is reduced, so that the transmission torque of the electromagnetic clutch 13 is reduced.
この発明は上記のような課題を解消するためになされた
もので、出力軸やフランジへ漏洩する磁束を減少させて
電磁クラッチの伝達トルクを高めることのできる電動式
駆動装置を得ることを目的とする。This invention was made to solve the above-mentioned problems, and its purpose is to obtain an electric drive device that can reduce the magnetic flux leaking to the output shaft and flange and increase the transmission torque of the electromagnetic clutch. do.
この発明に係る電動式駆動装置は、電動機と、この電動
機の駆動力を複数の段付歯車を介して伝達する出力歯車
と、一端にこの出力歯車が結合され、他端に磁気吸着面
が設けられたクラッチロータと、このロータが回転自在
に支軸された出力軸と、出力軸にリターンばねで結合さ
れ、ロータの磁気吸着面と対向し、出力軸に固着したフ
ランジを介して設けたクラッチ可動板と、通電によりク
ラッチロータの磁気吸着面とクラッチ可動板を磁気結合
するクラッチコイルと、出力軸の一端に負荷駆動用ワイ
ヤを巻取り駆動するための回動レバーとを備えた電動式
駆動装置において、上記クラッチロータと出力軸の間お
よびクラッチロータとフランジの端面間にそれぞれ透磁
率の小さい非磁性部材を介在したものである。The electric drive device according to the present invention includes an electric motor, an output gear that transmits the driving force of the electric motor via a plurality of stepped gears, the output gear is coupled to one end, and the other end is provided with a magnetic attraction surface. A clutch rotor that is attached to the rotor, an output shaft on which this rotor is rotatably supported, and a clutch that is connected to the output shaft with a return spring, faces the magnetic attraction surface of the rotor, and is provided via a flange that is fixed to the output shaft. An electric drive equipped with a movable plate, a clutch coil that magnetically connects the magnetic attraction surface of the clutch rotor and the clutch movable plate when energized, and a rotating lever for winding and driving a load drive wire at one end of the output shaft. In the device, a non-magnetic member with low magnetic permeability is interposed between the clutch rotor and the output shaft and between the clutch rotor and the end face of the flange.
この発明においては、クラッチロータと出力軸間および
クラッチロータとフランジ間に非磁性部材を介在したの
で、クラッチコイルからの磁束が非磁性部によって遮断
されて出力軸やフランジ側へ漏洩するのが減少する。こ
れによってクラッチロータとクラッチ可動板の有効磁束
が増大し電磁クラッチの伝達トルクが大きくなる。In this invention, since a non-magnetic member is interposed between the clutch rotor and the output shaft and between the clutch rotor and the flange, the magnetic flux from the clutch coil is blocked by the non-magnetic part and leakage to the output shaft and flange side is reduced. do. This increases the effective magnetic flux of the clutch rotor and the clutch movable plate, increasing the transmission torque of the electromagnetic clutch.
以下、この発明の一実施例を図について説明する。第１
図はこの発明による電動式駆動装置の断面図を示し、符
号１〜２３は第２図に示した従来例の電動式駆動装置と
同一であるので同一符号を付して説明は省略する。２４
はクラッチロータ６の左右両端の内径面に装着された透
磁率の小さい非磁性部材からなる滑り軸受で、この軸受
２４を介して出力軸１０にクラッチロータ６が回転自在
に支承されている。２５はクラッチロータ６とフランジ
９の端面間に介在した上記同様の非磁性部材からなるワ
ッシャである。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure shows a sectional view of the electric drive device according to the present invention, and since the symbols 1 to 23 are the same as those of the conventional electric drive device shown in FIG. 2, the same symbols are used and the explanation will be omitted. 24
is a sliding bearing made of a non-magnetic material with low magnetic permeability that is attached to the inner diameter surface of both left and right ends of the clutch rotor 6, and the clutch rotor 6 is rotatably supported on the output shaft 10 via this bearing 24. Reference numeral 25 denotes a washer made of a non-magnetic member similar to the above and interposed between the end faces of the clutch rotor 6 and the flange 9.
上記のように構成したこの発明による電動式駆動装置は
、電動機１の回転駆動が出力軸１０に伝達される作用は
第２図に示した従来例と同様であるが、クラッチコイル
１２に通電された際、発生する磁束の一部はクラッチロ
ータ６と出力軸１０間に介在した非磁性部材からなる滑
り軸受２４およびクラッチロータ６とフランジ９との端
面間に介在した非磁性部材からなるワッシャ２５によっ
て遮断され、したがって出力軸１０やフランジ９へ磁束
が漏洩するのが著しく減少する。この結果、磁束の殆ん
どはロータ６とクラッチ可動板７の吸着面を通るので電
磁クラッチと１しての磁気吸引力を向上する。In the electric drive device according to the present invention configured as described above, the function of transmitting the rotational drive of the electric motor 1 to the output shaft 10 is similar to that of the conventional example shown in FIG. 2, but the clutch coil 12 is energized. At this time, part of the generated magnetic flux is transferred to a sliding bearing 24 made of a non-magnetic material interposed between the clutch rotor 6 and the output shaft 10 and a washer 25 made of a non-magnetic material interposed between the end faces of the clutch rotor 6 and the flange 9. Therefore, leakage of magnetic flux to the output shaft 10 and flange 9 is significantly reduced. As a result, most of the magnetic flux passes through the attraction surfaces of the rotor 6 and the clutch movable plate 7, improving the magnetic attraction force of the electromagnetic clutch 1.
以上説明したようにこの発明によれば、クラッチロータ
と出力軸間およびクラッチロータとフランジ端面間に非
磁性部材を介在したので、漏洩磁束が大幅に減少し、こ
れによって電磁クラッチの磁気結合力つまり伝達トルク
が著しく向上する。As explained above, according to the present invention, since a non-magnetic member is interposed between the clutch rotor and the output shaft and between the clutch rotor and the flange end face, the leakage magnetic flux is significantly reduced, which reduces the magnetic coupling force of the electromagnetic clutch. Transmission torque is significantly improved.
また、これに伴って電磁クラッチの小形化、低消費電力
化が実現できる。Further, along with this, the electromagnetic clutch can be made smaller and consume less power.
第１図はこの発明による電動式駆動装置の断面図、第２
図は従来の電動式駆動装置の断面図、第３図は同じ（側
面図、第４図は第２図のＩＶ−ＩＶ線断面図、第５図は
同じ＜ Ｖ−Ｖ線断面図である。
ｌ・・・電動機、３．４・・・段付歯車、５・・・出力
歯車、６・・・クラッチロータ、６ａ・・・磁気吸着面
、７・・・クラッチ可動板、８・・・リターンばね、９
・・・フランジ、１０・・・出力軸、１２・・・クラッ
チコイル、１４・・・回動レバー ２４・・・滑り軸受
、２５・・・、ワッシャ。
なお、図中同一符号は同−又は相当部分を示す。
代理人 大 岩 増 雄
第１図
第２図
７：グチ・・す可會刀不文
第
図
第４図
０ｂ
１ａFIG. 1 is a sectional view of the electric drive device according to the present invention, and FIG.
The figure is a cross-sectional view of a conventional electric drive device, Figure 3 is the same (side view), Figure 4 is a cross-sectional view taken along the line IV-IV of Figure 2, and Figure 5 is the same cross-sectional view taken along the line V-V. l...Electric motor, 3.4...Stepped gear, 5...Output gear, 6...Clutch rotor, 6a...Magnetic attraction surface, 7...Clutch movable plate, 8...・Return spring, 9
...Flange, 10...Output shaft, 12...Clutch coil, 14...Rotating lever 24...Sliding bearing, 25...Washer. Note that the same reference numerals in the figures indicate the same or equivalent parts. Agent Masuo Oiwa Figure 1 Figure 2 Figure 7: Guchi... Unwritten Figure 4 Figure 4 0b 1a
Claims (1)
て伝達する出力歯車と、一端にこの出力歯車が結合され
、他端に磁気吸着面が設けられたクラッチロータと、こ
のロータが回転自在に支軸された出力軸と、この出力軸
にリターンばねで結合され、上記ロータの磁気吸着面と
対向し、出力軸に固着したフランジを介して設けたクラ
ッチ可動板と、通電によりクラッチロータの磁気吸着面
とクラッチ可動板を磁気結合するクラッチコイルと、出
力軸の一端に負荷駆動用ワイヤを巻取り駆動するための
回動レバーを備えた電動式駆動装置において、上記クラ
ッチロータと出力軸間およびクラッチロータとフランジ
の端面間に透磁率の小さい非磁性部材を介在したことを
特徴とする電動式駆動装置。An electric motor, an output gear that transmits the driving force of the electric motor through a plurality of stepped gears, a clutch rotor to which the output gear is connected at one end and a magnetic attraction surface is provided at the other end, and this rotor rotates. A freely supported output shaft, a clutch movable plate connected to the output shaft by a return spring, facing the magnetic attraction surface of the rotor, and provided via a flange fixed to the output shaft, and the clutch rotor being connected to the output shaft by energization. In an electric drive device, the clutch rotor and the output shaft are equipped with a clutch coil that magnetically connects the magnetic attraction surface of the clutch rotor and the movable clutch plate, and a rotary lever for winding and driving a load driving wire at one end of the output shaft. An electric drive device characterized in that a non-magnetic member with low magnetic permeability is interposed between the clutch rotor and the end face of the flange.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63141001A JPH023708A (en) | 1988-06-08 | 1988-06-08 | Electric motor type driving device |
| GB8911706A GB2219637B (en) | 1988-06-08 | 1989-05-22 | Electromagnetic clutch in motor-powered drive device |
| KR1019890007691A KR920000503B1 (en) | 1988-06-08 | 1989-06-05 | Motor |
| DE3918487A DE3918487A1 (en) | 1988-06-08 | 1989-06-06 | MOTOR DRIVE DRIVE DEVICE |
| US07/363,004 US4938327A (en) | 1988-06-08 | 1989-06-08 | Motor-powered drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63141001A JPH023708A (en) | 1988-06-08 | 1988-06-08 | Electric motor type driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023708A true JPH023708A (en) | 1990-01-09 |
Family
ID=15281863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63141001A Pending JPH023708A (en) | 1988-06-08 | 1988-06-08 | Electric motor type driving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023708A (en) |
-
1988
- 1988-06-08 JP JP63141001A patent/JPH023708A/en active Pending
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