JPH03124241A - Linear motion motor - Google Patents
Linear motion motorInfo
- Publication number
- JPH03124241A JPH03124241A JP25899789A JP25899789A JPH03124241A JP H03124241 A JPH03124241 A JP H03124241A JP 25899789 A JP25899789 A JP 25899789A JP 25899789 A JP25899789 A JP 25899789A JP H03124241 A JPH03124241 A JP H03124241A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- rotor
- driven gear
- linear motion
- rotation
- 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
- 230000033001 locomotion Effects 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 241000016649 Copaifera officinalis Species 0.000 description 1
- 239000004859 Copal Substances 0.000 description 1
Landscapes
- 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）
本発明はリニア モーション モータに関するもので、
特にロータ軸に設けた主動歯車とこれと噛合する従動歯
車を具え、従動歯車のシャフトをロータ軸の回転に応じ
て回転せしめてスラスト方向に変位する様に構成したリ
ニア モーションモータに関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a linear motion motor,
In particular, the present invention relates to a linear motion motor comprising a driving gear provided on a rotor shaft and a driven gear meshing with the driving gear, and configured so that the shaft of the driven gear is rotated in accordance with the rotation of the rotor shaft and displaced in the thrust direction.
（従来の技術）
従来より使用されているこの種のリニア モーション
モータについて、添付図面第３図を参照して説明する。(Conventional technology) This type of linear motion has been used for a long time.
The motor will be explained with reference to FIG. 3 of the accompanying drawings.
磁石Ｍをその外周に設けたロータ２６の外側にコイル３
１を収納したステータ２５を配設する。A coil 3 is installed on the outside of the rotor 26, which has a magnet M provided on its outer periphery.
A stator 25 containing 1 is disposed.
ロータ２６の中央部に二種類の貫通孔すなわち角状孔Ｓ
と円形孔りを穿設する。円形孔りには外周にねじ部２２
を設けた円筒状シャフト２３が、又角状孔Ｓには、角状
孔Ｓと断面同一形状の角状回転伝達部２９が収納される
。角状回転伝達部２９のシャフト２３側に設けた端部２
９ａは、円筒形である。前記シャフト２３と回転伝達部
２９とは一体的に連結されて、後述するようにロータ２
６の回転により回転伝達部２９は回転する。ステータ２
５に接してそれぞれ前方取付板２４、後方取付板３０を
設ける。前方取付板２４にはシャフト２３のねじ部２２
が螺合するねじ部Ｎを兼ねた軸受２１を設ける。符号２
８はシャフト２３を支持する軸受である。There are two types of through holes, namely square holes S, in the center of the rotor 26.
and drill a circular hole. The circular hole has a threaded part 22 on the outer periphery.
A cylindrical shaft 23 provided with a cylindrical shaft 23 is housed in the square hole S, and a square rotation transmitting portion 29 having the same cross-sectional shape as the square hole S is housed. End portion 2 provided on the shaft 23 side of the angular rotation transmission portion 29
9a is cylindrical. The shaft 23 and the rotation transmitting section 29 are integrally connected, and the rotor 2
6 rotates, the rotation transmitting section 29 rotates. Stator 2
5, a front mounting plate 24 and a rear mounting plate 30 are provided, respectively. The threaded portion 22 of the shaft 23 is attached to the front mounting plate 24.
A bearing 21 is provided which also serves as a threaded portion N into which the bearings are screwed together. code 2
8 is a bearing that supports the shaft 23.
又後方取付板３０には回転伝達部２９を回転自在に支承
する軸受２７を装着する。Further, a bearing 27 that rotatably supports the rotation transmission section 29 is mounted on the rear mounting plate 30.
ロータ２６を作動するのには、先ずコイル３１に通電し
、ステータ２５を励磁してロータ２６の磁石Ｍとの相互
作用によりロータ２６を回転させるものである。ロータ
２６の回転に伴って、回転伝達部２９と共にシャフト２
３が回転し、両部材２９．２３は回転しつつ矢印Ｒ又は
Ｌ方向へ直進移動が可能となる。この際シャフト２３の
ねじ部２２は軸受２１のナツト部Ｎと螺合しっつモータ
回転方向に応じて所定方向へのモータシャフト２３の直
進運動を実現する。To operate the rotor 26, first, the coil 31 is energized, the stator 25 is excited, and the rotor 26 is rotated by interaction with the magnets M of the rotor 26. As the rotor 26 rotates, the shaft 2 together with the rotation transmission section 29
3 rotates, and both members 29 and 23 can move straight in the direction of arrow R or L while rotating. At this time, the threaded portion 22 of the shaft 23 is tightly engaged with the nut portion N of the bearing 21, thereby realizing linear movement of the motor shaft 23 in a predetermined direction depending on the motor rotation direction.
（発明の解決しようとする課題）
前記従来のリニア モーション モータにおいては１次
の様な問題点があった。(Problems to be Solved by the Invention) The conventional linear motion motor has the following problems.
１、シャフトの直進運動のストローク長さは、ロータ軸
長さに依存しており、ストロークを任意に長くする事が
出来ないという問題点があった。1. The stroke length of the linear motion of the shaft depends on the length of the rotor axis, and there is a problem in that the stroke cannot be made arbitrarily long.
２、前記従来のモータにおいて、より大きいトルクをモ
ータへ供給するためには、モータへの入力を増加する以
外に方法がないという問題点があった。2. The conventional motor has a problem in that the only way to supply a larger torque to the motor is to increase the input to the motor.
本発明は前述の問題を解決することを目的とする。The present invention aims to solve the aforementioned problems.
（課題を解決するための手段）
本発明は、前記の目的を達成するために以下記載する手
段を提供する。(Means for Solving the Problems) The present invention provides the means described below to achieve the above object.
すなわち、ロータ軸に設けた主動歯車と回転しつつ水平
方向に摺動自在のシャフトに嵌着した従動歯車とを有し
、ロータ軸の回転に応じて前記歯車群を介して前記シャ
フトは回転しつつ、スラスト方向へ変位可能であり、前
記従動歯車を嵌着しないシャフトの外周部に形成したね
じ部が螺合可能なねじ部を内側に設けた筒状ナツトを有
するリニア モーション モータを開示する。That is, it has a main gear provided on a rotor shaft and a driven gear fitted on a shaft that can freely slide in the horizontal direction while rotating, and the shaft rotates via the group of gears in accordance with the rotation of the rotor shaft. The present invention also discloses a linear motion motor that is movable in the thrust direction and that has a cylindrical nut provided inside with a threaded part into which a threaded part formed on the outer periphery of the shaft to which the driven gear is not fitted is screwed.
（作 用）
ロータ軸の回転により主動歯車が回転すると、これに噛
合している従動歯車と共にシャフトが回転し、回転軸の
従動歯車が嵌合しない回転軸の円筒部に形成したねじ部
が円柱状ナツト内側に形成したねじ部に螺合し、シャフ
トを回転しつつスラスト方向へ変位する。(Function) When the main gear rotates due to the rotation of the rotor shaft, the shaft rotates together with the driven gear that meshes with it, and the threaded part formed in the cylindrical part of the rotating shaft that does not fit with the driven gear of the rotating shaft becomes circular. It is screwed into the threaded part formed inside the columnar nut, and is displaced in the thrust direction while rotating the shaft.
（実施例）
以下添付図面第１図を参照して、本発明の詳細な説明す
る。(Example) The present invention will be described in detail below with reference to FIG. 1 of the accompanying drawings.
ステータ２内にはコイル１が収納され、ステーク２に対
面するようにマグネットＭがロータにの外周に配設され
る。ロータＫに嵌挿固定したロータ軸３は前後取付板５
，５に軸受７ａ、７ｂにより回転自在に支承される。ロ
ータ軸３には主動歯車４が形成又は装着され、この主動
歯車４にはロータ軸３と平行に配設したシャツ）Ｓの小
判形シャツ）Ｓ＋ に嵌着した従動歯車６が一合する。A coil 1 is housed within the stator 2, and a magnet M is disposed on the outer periphery of the rotor so as to face the stake 2. The rotor shaft 3 fitted and fixed to the rotor K is attached to the front and rear mounting plates 5.
, 5 by bearings 7a and 7b. A driving gear 4 is formed or attached to the rotor shaft 3, and a driven gear 6 fitted into an oval-shaped shirt S+ arranged parallel to the rotor shaft 3 is engaged with the driving gear 4.
従動歯車６の中心孔りは小判形シャツ）Ｓ＋ と同一形
状の小判形に形成されているから、小判形シャツ）Ｓ＋
を従動歯車６の中心孔りに嵌挿すれば、従動歯車６の
回転は小判形シャフトＳ１を介してシャフトＳに伝達さ
れる。シャツ）Ｓ＋ の端部は軸受８により支承される
。シャフトＳの後半部は円柱形シャツ）Ｓ２ に形成さ
れ、その外周にねじ部９を形成する。又円柱形シャツ）
Ｓ２はロータ軸３に平行に設けた筒状ナラ）１０に螺合
自在に保持される。すなわち円柱形シャフトｓ２のねじ
部９は筒状ナラ）１０の内側に設けたねじ部１０ａに螺
合する。The center hole of the driven gear 6 is formed in the same oval shape as the oval-shaped shirt) S+, so the oval-shaped shirt) S+
When the driven gear 6 is inserted into the center hole of the driven gear 6, the rotation of the driven gear 6 is transmitted to the shaft S via the oval shaped shaft S1. The end of the shirt (shirt) S+ is supported by a bearing 8. The rear half of the shaft S is formed into a cylindrical shape S2, and a threaded portion 9 is formed on its outer periphery. Also cylindrical shirt)
S2 is held in a cylindrical nut 10 provided parallel to the rotor shaft 3 so as to be freely screwable. That is, the threaded portion 9 of the cylindrical shaft s2 is screwed into a threaded portion 10a provided inside the cylindrical oak 10.
次に作用について説明する。Next, the effect will be explained.
コイル１が励磁されて、ロータＫに取りつけたマグネッ
）Ｍとの相互作用によりロータＫが回転すると、ロータ
軸３に装着した主動歯車４が回転し、これと噛合してい
る従動歯車６も回転する。When the coil 1 is energized and the rotor K rotates due to the interaction with the magnet M attached to the rotor K, the main drive gear 4 attached to the rotor shaft 3 rotates, and the driven gear 6 meshing with it also rotates. do.
従動歯車６の回転は、小判形シャツ）Ｓ＋ を介してシ
ャフトＳに伝達される。The rotation of the driven gear 6 is transmitted to the shaft S via the oval shaped shirt S+.
従動歯車６によるシャフトｓの小判形シャフトＳｌ の
回転に伴い、その円柱状ジャ７）Ｓ２のねじ部９は筒状
ナラ）１０のねじ部１０ａに螺合して回転しつつ小判形
シャフトｓ１ と共にスラスト方向に変位する。ロータ
軸３の回転方向に応じて、シャフトＳ全体は筒状ナツト
１０に設けたねじ部１０ａの長さの範囲内で矢印方向へ
往復変位する。かくしてシャツ）Ｓは回転しつつ、直進
するので、シャツ）Ｓの小判形シャツ）Ｓ＋ に負荷を
連結しておけば、その負荷に作用を与えることができる
。As the oval shaft Sl of the shaft s is rotated by the driven gear 6, the threaded portion 9 of the cylindrical jar 7) S2 is screwed into the threaded portion 10a of the cylindrical nut 10 and rotates together with the oval shaped shaft s1. Displaced in the thrust direction. Depending on the rotational direction of the rotor shaft 3, the entire shaft S reciprocates in the direction of the arrow within the length of the threaded portion 10a provided on the cylindrical nut 10. In this way, the shirt (S) moves straight while rotating, so if a load is connected to the oval-shaped shirt (S+) of the shirt (S), it is possible to act on that load.
（効 果）
本発明においては、直進運動をするシャフトはロータ軸
とは別に設けてあり、その直進ストロークはロータ軸の
長さに左右されることがない。(Effects) In the present invention, the shaft that moves linearly is provided separately from the rotor shaft, and its linear stroke is not affected by the length of the rotor shaft.
又主動歯車、従動歯車のギア比の設定如何により、より
大きいトルクを選定できる。Further, a larger torque can be selected by setting the gear ratio of the main gear and the driven gear.
第１図、第２図は、本発明に係るリニア モーション
モータの一実施例を図示するもので、第１図は断面図。
第２図は、側面図。第３図は従来例のリニア モーショ
ン モータの断面図で、同（Ａ）は断面図、同（Ｂ）は
同（Ａ）のＢ−Ｂの線に沿った断面図、同（Ｃ）は同（
Ａ）のｃ−ｃの線に沿った断面図。
Ｓ・・・シャフト、Ｓｌ・・・小判形シャフト、Ｓ２・
・・円柱形シャフト、Ｋ・・・ロータ、ｈ・・・小判形
孔部、３・・・ロータ軸、４・・・主動歯車、６・・・
従動歯車、９・・・円柱状シャフトねじ部、１０・・・
筒状ナツト、１０ａ・・・筒状ナツトねじ部。
出 願 人 コパル電子株式会社FIGS. 1 and 2 show linear motion according to the present invention.
One embodiment of the motor is illustrated, and FIG. 1 is a sectional view. Figure 2 is a side view. Figure 3 is a cross-sectional view of a conventional linear motion motor, in which (A) is a cross-sectional view, (B) is a cross-sectional view taken along line B-B in (A), and (C) is a cross-sectional view of the same. (
A sectional view taken along the line c-c of A). S...Shaft, Sl...Oval shaped shaft, S2.
... Cylindrical shaft, K... Rotor, h... Oval shaped hole, 3... Rotor shaft, 4... Drive gear, 6...
Driven gear, 9...Cylindrical shaft threaded portion, 10...
Cylindrical nut, 10a... Cylindrical nut threaded portion. Applicant Copal Electronics Co., Ltd.
Claims (1)
摺動動自在のシャフトに嵌着した従動歯車とを有し、ロ
ータ軸の回転に応じて前記歯車群を介して前記シャフト
を回転せしめつつ、スラスト方向へ変位可能となしたリ
ニアモーションモータ。 ２、前記従動歯車を嵌着しないシャフトの外周部に形成
したねじ部が螺合可能なねじ部を内側に設けた筒状ナッ
トを有する請求項１記載のリニアモーションモータ。[Scope of Claims] 1. A drive gear having a main drive gear provided on a rotor shaft and a driven gear fitted to a shaft that can freely slide in a horizontal direction while rotating, and the gear group is moved in accordance with the rotation of the rotor shaft. A linear motion motor that can be displaced in a thrust direction while rotating the shaft through the shaft. 2. The linear motion motor according to claim 1, further comprising a cylindrical nut having a threaded portion on the inside thereof into which a threaded portion formed on the outer circumferential portion of the shaft to which the driven gear is not fitted is screwed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25899789A JPH03124241A (en) | 1989-10-04 | 1989-10-04 | Linear motion motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25899789A JPH03124241A (en) | 1989-10-04 | 1989-10-04 | Linear motion motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03124241A true JPH03124241A (en) | 1991-05-27 |
Family
ID=17327923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25899789A Pending JPH03124241A (en) | 1989-10-04 | 1989-10-04 | Linear motion motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03124241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100803520B1 (en) * | 2007-02-21 | 2008-02-14 | 쿠쿠전자주식회사 | Electric pressure cooker |
-
1989
- 1989-10-04 JP JP25899789A patent/JPH03124241A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100803520B1 (en) * | 2007-02-21 | 2008-02-14 | 쿠쿠전자주식회사 | Electric pressure cooker |
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