JPH03351A - Transmission mechanism - Google Patents
Transmission mechanismInfo
- Publication number
- JPH03351A JPH03351A JP7472489A JP7472489A JPH03351A JP H03351 A JPH03351 A JP H03351A JP 7472489 A JP7472489 A JP 7472489A JP 7472489 A JP7472489 A JP 7472489A JP H03351 A JPH03351 A JP H03351A
- Authority
- JP
- Japan
- Prior art keywords
- linear
- magnetic
- transmission mechanism
- magnetic body
- poles
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009351 contact transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、直線運動又は回転運動を回転運動又は直線運
動に変換する伝達機構に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a transmission mechanism that converts linear motion or rotational motion into rotational motion or linear motion.
（従来の技術）
従来の直線運動又は回転運動を回転運動又は直線運動に
変換する伝達機構には、第３図（Ａ） 、 （１１）に
示すような円筒歯車のピッチ円筒の半径が無限大となっ
たラックｌと、このラックにかみ合う平歯車（ビニオン
）２とが用いられている。また、伝達速度を変速させる
には、ビニオン２の歯数を増やしたり、別の平歯車３．
４により歯車列を構成することにより行なっている。し
かしながら、ラック１の歯とビニオン２の歯あるいは平
歯車３の歯と平歯車４の歯の接触部の摩擦による音の発
生や伝達効率の低下が問題となっていた。(Prior Art) Conventional transmission mechanisms that convert linear motion or rotational motion into rotational motion or linear motion include a cylindrical gear whose pitch cylinder has an infinite radius, as shown in Figure 3 (A), (11). A rack l having a shape of 1 and a spur gear (binion) 2 meshing with this rack are used. In addition, in order to change the transmission speed, the number of teeth of the pinion 2 may be increased or another spur gear 3.
4 to form a gear train. However, there have been problems such as generation of noise and reduction in transmission efficiency due to friction between the teeth of the rack 1 and the teeth of the pinion 2 or the teeth of the spur gear 3 and the teeth of the spur gear 4.
そこで、そのような問題を解消する伝達機構として、第
４図（Ａ） 、 、（Ｂ）に示すようにラックｌの歯部
１１を磁性体で構成すると共に、ビニオン２の歯部！２
をＳ極、Ｎ極の一対の磁極で構成し、ラック１の歯部１
１とビニオン２の歯部１２とを所定のギャップをあけて
配置したものが考えられる。このような伝達機構によれ
ば、ｌｉｎ性体と磁極との間で発生する磁力による吸引
力で運動か非接触で伝達される。また、平歯車３の南部
１３をｒＩＦｉ性体で構成すると共に、平歯車４の歯部
をＳ極、Ｎ極の一対の磁極で構成し、平歯部３の歯部１
３と平歯車４の歯部１４とを所定のギャップをあけて配
置すれば伝達速度を変速させる場合でも同様の効果か得
られる。Therefore, as a transmission mechanism to solve such problems, as shown in FIGS. 4(A), 4(B), the teeth 11 of the rack l are made of a magnetic material, and the teeth of the pinion 2 are made of a magnetic material. 2
consists of a pair of magnetic poles, an S pole and an N pole, and the tooth part 1 of the rack 1
1 and the tooth portion 12 of the pinion 2 may be arranged with a predetermined gap therebetween. According to such a transmission mechanism, motion is transmitted without contact by the attractive force caused by the magnetic force generated between the lint body and the magnetic pole. Further, the lower part 13 of the spur gear 3 is made of an rIFi material, and the teeth of the spur gear 4 are made of a pair of magnetic poles, an S pole and an N pole.
3 and the tooth portion 14 of the spur gear 4 with a predetermined gap between them, the same effect can be obtained even when changing the transmission speed.
（発明が解決しようとする課題）
上述した従来の各伝達機構の伝達速度の変速比を大きく
するには、ビニオン２の歯数や磁極数を増加するか、あ
るいは平歯車を付加しなければならず、伝達機構の容積
が増加するという欠点があっ−た。(Problem to be Solved by the Invention) In order to increase the transmission speed ratio of each of the conventional transmission mechanisms described above, it is necessary to increase the number of teeth and magnetic poles of the binion 2, or add a spur gear. First, there was a drawback that the volume of the transmission mechanism increased.
本発明は上述した事情から成されたものであり、摩擦音
が無く、伝達効率が高く、かつ変速比を犬ぎくしても小
型な伝達機ＪＲを提供することにある。The present invention has been made in view of the above-mentioned circumstances, and it is an object of the present invention to provide a transmission machine JR that is free from friction noise, has high transmission efficiency, and is compact even when the gear ratio is made too tight.
（課題を解決するための手段）
木発明は、０１線運動と回転運動との間の運動伝達を行
なう伝達機構に関するものであり、木発明の上記目的は
、耐記直線運動の方向に対し゛Ｃ所定の傾ぎ角を持つ直
線状の磁性体をａｊＩえた直線移動体と、外周上に磁性
体を備えた回転体とでなり、前記直線移動体の磁性体と
前記回転体の磁性体とを所定のギャップをあけて配置す
ることによって達成される。(Means for Solving the Problems) The invention relates to a transmission mechanism for transmitting motion between linear motion and rotational motion, and the above object of the invention is to C It consists of a linearly moving body with a linear magnetic body having a predetermined inclination angle, and a rotating body with a magnetic body on the outer periphery, and the magnetic body of the linearly moving body and the magnetic body of the rotating body This is accomplished by arranging them with a predetermined gap between them.
（作用）
木発明の伝達機構は、磁性体の傾ぎ角を変えるだけで１
：１〜１：１００程度の減速比か初段で可能となるため
、従来の伝達機構に比べて小型になる。(Function) The transmission mechanism invented by Wood can achieve 1 by simply changing the inclination angle of the magnetic material.
Since a reduction ratio of about 1:1 to 1:100 is possible in the first stage, it is smaller than conventional transmission mechanisms.
また、非接触なため伝達トルクが小さ（てすみ、急加減
速時や高速運転時においても磁力による吸引力９反発力
のみで運動の伝達を行なうことができる。In addition, since it is non-contact, the transmitted torque is small, and even during sudden acceleration/deceleration or high-speed operation, motion can be transmitted using only the attractive force and repulsive force due to magnetic force.
（実施例）
第１図（＾）は本発明の伝達機構の一例を示す平面図、
同図（Ｂ）はそのＸ−Ｘ線断面図である。直線移動板２
１の表面には、その長手方向に対して所定の傾き角を持
つ直線状のＳｉとＮ極とが交互に着磁されている。また
、回転円板２２の円周上にも直線移動板２１の磁極２１
１ と平行に、Ｓ極とＮ極とが交互に着磁されている。(Example) Figure 1 (^) is a plan view showing an example of the transmission mechanism of the present invention.
The figure (B) is a sectional view taken along the line X--X. Linear moving plate 2
1, straight Si and N poles having a predetermined inclination angle with respect to the longitudinal direction are alternately magnetized. Moreover, the magnetic pole 21 of the linearly moving plate 21 is also located on the circumference of the rotating disk 22.
1, S and N poles are alternately magnetized.
そして、直線移動板２１の磁極２１１ と回転円板２２
のｌｉＲ極２２１とが所定のギャップをあけ、かつ直線
移動板２１の長手方向と回転円板２２の回転軸２２２と
が平行となるように配置されている。従って、例えば直
線移動板２１がその長手方向に移動すれば回転円板２２
は磁気力による回転することになる。Then, the magnetic pole 211 of the linearly moving plate 21 and the rotating disk 22
liR poles 221 are arranged with a predetermined gap therebetween, and the longitudinal direction of the linearly movable plate 21 and the rotation axis 222 of the rotating disk 22 are parallel to each other. Therefore, for example, if the linear moving plate 21 moves in its longitudinal direction, the rotating disk 22
is rotated by magnetic force.
第２図（Ａ）は本発明の伝達機構の別の一例を示す平面
、同図（Ｂ）はそのＸ−Ｘ線断面図である。直線移動板
３１の表面には、その長平方向に対して所定の傾き角を
持つ直線状で、かつ長手方向と直交する方向に回転円板
３２の円周形状に合わせて湾曲した磁性体でなる凸部３
１１が形成されている。また、回転円板３２の円周上に
は直線移動板３１の凸部Ｉｌｌ と平行に、一対のＳ極
、Ｎ極でなる１ｉｆｉ柘３２１とこの（ｒＴｌ ４４
：＋ ２１より突出し、かつその突出長さが直線移動板
３Ｉの凸部３１１の長さより短い非磁性体（例えばプラ
スチック）でなるガイド３２３とか交互に固定されてい
る。そして、直線移動板３１の凸部３１１ と回転円板
３２の磁極３２１とが所定のキ）・ツブなあけ、かつ直
線移動板３１の長手方向と回転円板３２の回転ＩＩｑｈ
３２２ とが平行となるように配置されている。従っ
て、例えば直線移動板３１がその長手方向に移動すれば
回転円板３２はｂ３１気力により回転することになる。FIG. 2(A) is a plan view showing another example of the transmission mechanism of the present invention, and FIG. 2(B) is a cross-sectional view taken along the line X--X. The surface of the linearly moving plate 31 is made of a magnetic material that is linear with a predetermined inclination angle with respect to its longitudinal direction and curved in a direction perpendicular to the longitudinal direction to match the circumferential shape of the rotating disk 32. Convex part 3
11 is formed. Further, on the circumference of the rotating disk 32, parallel to the convex portion Ill of the linearly moving plate 31, there is a pair of S and N poles, 1ifi 321, and this (rTl 44).
Guides 323 made of a non-magnetic material (for example, plastic) that protrude from the + 21 and whose protruding length is shorter than the length of the convex portion 311 of the linearly movable plate 3I are alternately fixed. Then, the convex portion 311 of the linearly moving plate 31 and the magnetic pole 321 of the rotating disk 32 have a predetermined gap, and the longitudinal direction of the linearly moving plate 31 and the rotation IIqh of the rotating disk 32
322 are arranged parallel to each other. Therefore, for example, if the linearly moving plate 31 moves in its longitudinal direction, the rotating disk 32 will rotate due to the force b31.
そして、直線わ動板３１の急加ジ速時の慣性力や直線移
動板３１に一時的に加わる過負荷トルクが、直線移動板
３１の凸部３１１ と回転円板３２の磁極３２１ との
吸引力よりも大きくなって脱調しそうになったとぎ、回
転円板３２のガイド３２３と直線移動板３１の凸部３１
１とが接触して回転円板３２の回転を１程以上ずらさな
いようにし、脱調を防止することができる。Then, the inertia force of the linear moving plate 31 during sudden acceleration and the overload torque temporarily applied to the linear moving plate 31 cause the attraction between the convex portion 311 of the linear moving plate 31 and the magnetic pole 321 of the rotating disk 32. When the force becomes larger than the force and is about to step out, the guide 323 of the rotating disk 32 and the convex portion 31 of the linearly moving plate 31
It is possible to prevent the rotation of the rotary disk 32 from shifting by more than 1 due to contact with 1, thereby preventing step-out.
上述した各実施例において、直線移動板２１．：１１の
移動速度をｖＸ ４磁８ｉ２１１，２２１．：１２１及
び凸部３】１の傾き角をθ２回転円板２２．３２の円周
の周速なり。In each of the embodiments described above, the linearly moving plate 21. :11 movement speed vX 4 magnetic 8i211,221. :121 and convex portion 3] The inclination angle of 1 is θ2 and the circumferential speed of the circumference of the rotating disk 22.32.
とすると、この伝達機構の変速比には次式（１）で表わ
される。Then, the gear ratio of this transmission mechanism is expressed by the following equation (1).
ｗ
に−−−ｔ ａ ｎ θ ・・・・・
・（１）ｖＸ
上式（１）から明らかなように、θが４５°未満で減速
となり、θを小さくするほど大きな減速が得られる。w---tan θ・・・・・・
- (1) vX As is clear from the above equation (1), deceleration occurs when θ is less than 45°, and the smaller θ is, the greater deceleration is obtained.
なお、上述した各実施例における磁極２１１，２２１３
２！には永久磁石、電磁石が用いられ、直線移動体３１
の凸部３１１には軟磁性体が用いられる。In addition, the magnetic poles 211, 2213 in each of the above-mentioned embodiments
2! Permanent magnets and electromagnets are used for the linear moving body 31.
A soft magnetic material is used for the convex portion 311 .
（発明の効果）
以上のように本発明の伝達機構によれば、大きな変速比
としても機構全体を小型化することができるので、用途
の拡大や低価格化を図ることができると共に、非接触な
回転伝達を実現することができるので、伝達効率を向上
させ、摩擦音を無くし、摩擦による摩耳箇所を無くして
長寿命化を図ることかでとる。(Effects of the Invention) As described above, according to the transmission mechanism of the present invention, the entire mechanism can be miniaturized even when the gear ratio is large, so it is possible to expand the range of applications and reduce the cost, and it also allows for non-contact transmission. This can be achieved by improving transmission efficiency, eliminating frictional noise, and eliminating worn parts due to friction to extend life.
第１図（八）は本発明の伝達機構の一例を示す平面図、
同図（Ｂ）はそのＸ−Ｘ線断面図、第２図（八）は本発
明の伝達機構の別の一例を示す平面図、同図（８）はそ
（７）Ｘ−Ｘ線断面図、第３図（Ａ） 、 （［１）
及び第４図（Ａ） 、 （［１）はそれぞれ従来の伝
達機構の一例を示す平面図及び側面図である。
２１．３１・・・直線移動板、２２．３２・・・回転円
板、２１．１゜２２＋、：１２１・・・磁極、２２２，
３２２・・・回転’ｐＨｌ、３１１・・・凸部、３２３
・・・ガイド。FIG. 1 (8) is a plan view showing an example of the transmission mechanism of the present invention;
The figure (B) is a sectional view taken along the line X-X, FIG. Figure, Figure 3 (A), ([1)
and FIGS. 4(A) and 4([1) are a plan view and a side view, respectively, showing an example of a conventional transmission mechanism. 21.31...Linear moving plate, 22.32...Rotating disk, 21.1°22+, :121...Magnetic pole, 222,
322...Rotation'pHl, 311...Protrusion, 323
···guide.
Claims (1)
機構において、前記直線運動の方向に対して所定の傾き
角を持つ直線状の磁性体を備えた直線移動体と、外周上
に磁性体を備えた回転体とでなり、前記直線移動体の磁
性体と前記回転体の磁性体とを所定のギャップをあけて
配置するようにしたことを特徴とする伝達機構。 ２、前記回転体の磁性体に沿って機械的ガイドが設けら
れている請求項１に記載の伝達機構。 ３、前記直線移動体の磁性体が軟磁性体、永久磁石又は
電磁石であり、前記回転体の磁性体が永久磁石又は電磁
石である請求項１又は２に記載の伝達機構。[Claims] 1. In a transmission mechanism that transmits motion between a linear motion and a rotational motion, a linear moving body comprising a linear magnetic body having a predetermined inclination angle with respect to the direction of the linear motion. and a rotating body having a magnetic body on its outer periphery, the magnetic body of the linearly moving body and the magnetic body of the rotating body being arranged with a predetermined gap therebetween. . 2. The transmission mechanism according to claim 1, wherein a mechanical guide is provided along the magnetic body of the rotating body. 3. The transmission mechanism according to claim 1 or 2, wherein the magnetic body of the linear moving body is a soft magnetic body, a permanent magnet, or an electromagnet, and the magnetic body of the rotating body is a permanent magnet or an electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7472489A JPH03351A (en) | 1989-03-27 | 1989-03-27 | Transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7472489A JPH03351A (en) | 1989-03-27 | 1989-03-27 | Transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03351A true JPH03351A (en) | 1991-01-07 |
Family
ID=13555458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7472489A Pending JPH03351A (en) | 1989-03-27 | 1989-03-27 | Transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03351A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110113908A1 (en) * | 2009-11-16 | 2011-05-19 | Corradini Martin | Rpm multiplier and/or torque increaser for turbines |
| CN102257292A (en) * | 2008-12-19 | 2011-11-23 | 株式会社川渊机械技术研究所 | Linearly moving extendable mechanism and robot arm equipped with linearly moving extendable mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62130638A (en) * | 1985-12-04 | 1987-06-12 | ダイワ精工株式会社 | Feed apparatus |
-
1989
- 1989-03-27 JP JP7472489A patent/JPH03351A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62130638A (en) * | 1985-12-04 | 1987-06-12 | ダイワ精工株式会社 | Feed apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257292A (en) * | 2008-12-19 | 2011-11-23 | 株式会社川渊机械技术研究所 | Linearly moving extendable mechanism and robot arm equipped with linearly moving extendable mechanism |
| US8925405B2 (en) | 2008-12-19 | 2015-01-06 | Kawabuchi Mechanical Engineering Laboratory, Inc. | Linear-motion telescopic mechanism and robot arm having linear-motion telescopic mechanism |
| US20110113908A1 (en) * | 2009-11-16 | 2011-05-19 | Corradini Martin | Rpm multiplier and/or torque increaser for turbines |
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