JPH0234503Y2 - - Google Patents
Info
- Publication number
- JPH0234503Y2 JPH0234503Y2 JP2037986U JP2037986U JPH0234503Y2 JP H0234503 Y2 JPH0234503 Y2 JP H0234503Y2 JP 2037986 U JP2037986 U JP 2037986U JP 2037986 U JP2037986 U JP 2037986U JP H0234503 Y2 JPH0234503 Y2 JP H0234503Y2
- Authority
- JP
- Japan
- Prior art keywords
- armature
- rotating body
- spring
- braked
- brake
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Description
【考案の詳細な説明】
「産業上の利用分野」
本考案はばね力に基づく摩擦係合力によつて入
力側と出力側の回転体等を連結し、或は被制動体
に制動をかけ、電磁吸引力によつて両回転体等の
連結、或は制動を解放する、所謂無励磁作動形の
電磁クラツチ、または電磁ブレーキに関するもの
である。[Detailed description of the invention] "Industrial application field" The invention connects rotating bodies, etc. on the input side and the output side by frictional engagement force based on spring force, or applies braking to a braked body, This invention relates to a so-called non-excitation-operated electromagnetic clutch or electromagnetic brake that connects or releases braking between two rotating bodies using electromagnetic attractive force.
「従来の技術」
無励磁作動形の電磁クラツチ、または電磁ブレ
ーキには一般にデイスクタイプのものが広く普及
されているがその多くは、アーマチユア、または
アーマチユアとデイスクの両者等のトルク伝達部
材を軸方向に移動させて入力側と出力側の結合
と、この結合の解放、或は被制動体に対する制動
と制動の解放を行わせるのでスプラインを介して
トルクの伝達が行われる構成が採られる。``Prior Art'' Generally, disk-type electromagnetic clutches or electromagnetic brakes that operate without excitation are widely used, but in most of these, torque transmitting members such as armatures or both armatures and disks are connected in the axial direction. Since the input side and the output side are moved to connect the input side and the output side, and this connection is released, or the brake is applied to the braked body and the brake is released, a configuration is adopted in which torque is transmitted through the spline.
「考案が解決しようとする問題点」
ところで、上述した従来の電磁クラツチ、また
は電磁ブレーキではスプラインを備えるためこれ
等のバツクラツシの影響は避けられず衝撃音の発
生や、動作に正確乃至円滑性を欠くといつた欠点
がある。``Problems to be solved by the invention'' By the way, since the conventional electromagnetic clutches and electromagnetic brakes mentioned above are equipped with splines, the influence of such backlash cannot be avoided, resulting in the generation of impact noise and the difficulty in ensuring accurate or smooth operation. There is a drawback when it is lacking.
「問題点を解決するための手段」
本考案は前述の問題点を解決し、スプラインを
必要としない無励磁作動形の電磁クラツチ、また
は電磁ブレーキを提供することを目的とし、この
目的を達成するための構成として、内周面、また
は外周面を磁極面とする環状のヨークと、このヨ
ークの凹所内に収納されたコイルを有する電磁石
部この電磁石部の磁極面に外周面、また内周面を
対向させるとともに周方向に分割され、かつ一端
部を支点に径方向に対して回動変位する複数個の
部片を有する円筒状のアーマチユア、およびこの
アーマチユアの各部片を入、出力側回転体等の一
方、または被制動体に押し付けるばねを備えたこ
とを特徴としている。"Means for Solving the Problems" The present invention aims to solve the above-mentioned problems and provide a non-excited electromagnetic clutch or electromagnetic brake that does not require splines, and achieves this purpose. As a configuration for this purpose, an annular yoke having an inner circumferential surface or an outer circumferential surface as a magnetic pole surface, an electromagnet section having a coil housed in a recess of this yoke, and an outer circumferential surface and an inner circumferential surface on the magnetic pole surface of this electromagnetic section. A cylindrical armature that has a plurality of parts facing each other and divided in the circumferential direction and rotatably displaced in the radial direction with one end as a fulcrum, and each part of this armature is inserted into the output rotating body. It is characterized by having a spring that presses against one of the brakes or the body to be braked.
「作用」
コイルに電流が供給されていないときに、ばね
の力によつてアーマチユアの各部片が入、出力側
の回転体等の一方或は被制動体に押し付けられ、
クラツチの結合、或はブレーキの制動作用が行わ
れ、コイルに電流が供給されるとアーマチユア５
の各部片がばねの力に抗する電磁吸引力によつて
吸引せられ、クラツチが釈放され、或は制動が解
放される。``Operation'' When no current is supplied to the coil, each part of the armature is pressed against one of the input and output side rotating bodies or the braked body by the force of the spring.
When the clutch is engaged or the brake is applied and current is supplied to the coil, the armature 5
The parts are attracted by an electromagnetic attraction force that opposes the force of the spring, releasing the clutch or releasing the brake.
「実施例」
以下第１図乃至第４図を参照し、本考案の実施
例を説明する。第１図は本考案の１実施例を示す
半部の斜視図であり、同図において１は内周方に
向つて開口する断面コ字状のヨークでこのヨーク
と、このヨークの凹所内に収納されたコイル２に
よつて電磁石部３を構成している。電磁石部３は
クラツチとして使用される場合にはねじ孔４を利
用して入、出力側回転体中の一方の回転体に固定
され、またブレーキとして用いられる場合には当
該ブレーキが使用される機器の静止部に固定され
る。５は一端にフランジ部を形成した支持部６を
有する円筒状のアーマチユアで一端から支持部６
の方に向う軸方向の切り割り溝７が周方向に等間
隔に複数個設けられ、これ等に溝の存在により、
これ等溝間に部片８が形成され、これ等部片は外
周面を電磁石部３の内周面である磁極面に対向さ
せており、また自らのばね作用でその支持部６側
の端部を支点に径方向に対して僅かではあるが回
動変位でき、クラツチとして使用される場合、当
該アーマチユアは支持部６に形成された取付孔９
を利用して入、出力側回転体中の、上記電磁石部
３が取付けられると同一の一方の回転体に取付ら
れ、またブレーキとして用いられる場合、当該ブ
レーキの使用機器の静止部に固定される。``Embodiment'' An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. FIG. 1 is a perspective view of a half part showing one embodiment of the present invention, and in the same figure, numeral 1 denotes a yoke with a U-shaped cross section that opens toward the inner circumference. The stored coil 2 constitutes an electromagnet section 3. When used as a clutch, the electromagnet section 3 is fixed to one of the input and output rotating bodies using a screw hole 4, and when used as a brake, it is fixed to one of the rotating bodies on the input and output sides, and when used as a brake, it is fixed to one of the rotating bodies on the input and output sides. fixed to a stationary part. 5 is a cylindrical armature having a support part 6 formed with a flange part at one end;
A plurality of axial cut grooves 7 facing toward are provided at equal intervals in the circumferential direction, and due to the presence of these grooves,
Pieces 8 are formed between these grooves, and these pieces have their outer circumferential surfaces facing the magnetic pole surface, which is the inner circumferential surface of the electromagnet part 3, and their own spring action forces the ends of the pieces on the support part 6 side. When the armature is used as a clutch, the armature can be rotated slightly in the radial direction with the armature as a fulcrum.
When the electromagnet section 3 is attached to the input and output side rotating bodies, it is attached to the same rotating body, and when used as a brake, it is fixed to a stationary part of the equipment using the brake .
なお、アーチユア５の各部片８は第２図に示す
ように支持部６と別体に形成し、この支持部に板
ばね１０を介して各々リベツト等で連結してもよ
く、また第３図に示すように別体の各部片８を蝶
番１１で取付けるようにしてもよい。１２はヨー
ク１の磁極面に径方向に設けられた孔に挿入支持
されたコイルばねでアーマチユア５の各部片８に
対応させて各々設けられ、その各一端でそれ等の
各部片８を回転体１３の外周面に押し付けてい
る。回転体１３はクラツチの場合、入、出力回転
体中の一方の回転体となり、またブレーキの場
合、被制動軸となる。 Note that each piece 8 of the archure 5 may be formed separately from the support part 6 as shown in FIG. 2, and connected to this support part by a rivet or the like via a leaf spring 10, or as shown in FIG. It is also possible to attach each separate piece 8 with a hinge 11 as shown in FIG. Reference numeral 12 denotes a coil spring inserted and supported in a hole provided in the magnetic pole face of the yoke 1 in the radial direction, and is provided corresponding to each part 8 of the armature 5, and each end of the coil spring 12 connects each part 8 to the rotating body. It is pressed against the outer peripheral surface of 13. In the case of a clutch, the rotating body 13 is one of the input and output rotating bodies, and in the case of a brake, it is the shaft to be braked.
本考案の１実施例は以上で構成され、コイル２
に電流が供給されていないときにはアーマチユア
５の各部片８がばね１２による押圧力によつて回
転体１３に直接、或は図面には省略したがそれ等
の各部片に張り付けた摩擦材を介して押し付けら
れ、クラツチの場合であれば、アーマチユア５側
の回転がその回転体１３に、或は逆に、この回転
体が入力側であれば、この回転体の回転がアーマ
チユア５、従つてこのアーマチユアが連結された
側の回転体に伝達され、またブレーキの場合であ
れば、被制動体となる回転体１３に制動がかけら
れる。 One embodiment of the present invention is constructed as described above, and the coil 2
When no current is being supplied to the armature 5, each part 8 of the armature 5 is applied directly to the rotating body 13 by the pressing force of the spring 12, or via a friction material attached to each part (not shown in the drawing). If the clutch is pressed, the rotation on the armature 5 side will be the rotating body 13, or conversely, if this rotating body is on the input side, the rotation of this rotating body will be the armature 5, and therefore this armature. is transmitted to the connected rotating body, and in the case of a brake, braking is applied to the rotating body 13, which is the body to be braked.
この状態においてコイル２に電流が供給されと
第１図に破線で示す磁路に磁束が流れるのでアー
マチユア５の各部片８はばね１２の力に抗する電
磁吸引力によつて電磁石部３に吸引せられ、回転
体１３から離間し、この回転体に対する動力の伝
達、或は制動作用は解除される。 In this state, when current is supplied to the coil 2, a magnetic flux flows in the magnetic path shown by the broken line in FIG. The motor is moved away from the rotating body 13, and transmission of power to the rotating body or braking action is canceled.
第４図は本考案の他の実施例を示す一部切欠斜
視図であつて、この実施例では電磁石部３をアー
マチユア５の内周側に設けるとともにカツプ状の
ロータ１４を設け、このロータの円筒状部の内周
面にアーマチユア５の各部片８を対向させ、かつ
同ロータのボス部に上記第１図に示す回転体１３
に相当する回転体をキー等を用いて結合させ、ば
ね１２の力によつてアーマチユア５の各部片８を
ロータ１４の円筒状部の内周面に圧接させてアー
マチユア側の回転をロータ１４側、従つてこれに
結合された回転体に伝達させ、或は制動をかけら
れるようにした以外は上記、第１図に示す実施例
の場合と同様であるので、その実施例と同一乃至
相当部分にそれ等と同一符号を付し、その説明を
省略する。 FIG. 4 is a partially cutaway perspective view showing another embodiment of the present invention. In this embodiment, the electromagnet portion 3 is provided on the inner circumferential side of the armature 5, and a cup-shaped rotor 14 is provided. Each piece 8 of the armature 5 is opposed to the inner circumferential surface of the cylindrical part, and the rotating body 13 shown in FIG. 1 is attached to the boss part of the rotor.
The rotating bodies corresponding to the above are connected using a key or the like, and each part 8 of the armature 5 is brought into pressure contact with the inner peripheral surface of the cylindrical part of the rotor 14 by the force of the spring 12, so that the rotation on the armature side is transferred to the rotor 14 side. , therefore, it is the same as the embodiment shown in FIG. 1 above, except that the transmission is transmitted to the rotating body connected thereto, or braking is applied, so the parts that are the same or equivalent to that embodiment are the same as the embodiment shown in FIG. are given the same reference numerals and their explanations will be omitted.
なお、図中１５はアーチユア５の各部片８の制
動面に取り付けられた摩擦材である。 In addition, 15 in the figure is a friction material attached to the braking surface of each part 8 of the archure 5.
「考案の効果」
本考案による電磁クラツチ、または電磁ブレー
キは上述のようにアーマチユアを、円周方向に配
列する複数個の部片によつて円筒状に構成し、そ
のアーマチユアの各部片を、ばね或は制動作用を
行わせるようにしたので、上記従来の無励磁作動
形の電磁クラツチ・ブレーキのようなスプライン
を必要とせず、従つて、スプラインにおけるバツ
クラツシに起因する衝撃音の発生や動作の円滑を
欠くといつた問題がなく、静かで動作の即応性に
富む無励磁作動形の電磁クラツチ、またブレーキ
となり、更には回転体に対する制動作用ばかりで
なく、例えば、第１図に示す構成においては回転
体１３が直線運動体であつても、これに直接制動
をかけることができ、適用範囲が一層拡大される
等の効果もある。"Effect of the invention" As described above, the electromagnetic clutch or electromagnetic brake according to the invention has an armature having a cylindrical shape with a plurality of parts arranged in the circumferential direction, and each part of the armature is attached to a spring. Alternatively, since a braking action is performed, there is no need for a spline like in the above-mentioned conventional non-excitation type electromagnetic clutch/brake. A non-excited electromagnetic clutch that is quiet and highly responsive to operation, without the problems of lack of Even if the rotating body 13 is a linearly moving body, braking can be applied directly to it, which has the effect of further expanding the range of application.
図面は各々本案の実施例を示すもので第１図は
一実施例の縦断斜視図、第２図、第３図はアーマ
チユア部分の例を示す部分図、第４図は他の実施
例を示す一部切欠斜視図である。
１……ヨーク、２……コイル、３……電磁石
部、５……アーマチユア、１２……ばね、１３…
…回転体。
The drawings each show an embodiment of the present invention, and FIG. 1 is a longitudinal sectional perspective view of one embodiment, FIGS. 2 and 3 are partial views showing an example of the armature part, and FIG. 4 shows another embodiment. It is a partially cutaway perspective view. 1... Yoke, 2... Coil, 3... Electromagnet section, 5... Armature, 12... Spring, 13...
…Rotating body.
Claims (1)
クと、このヨークの凹所内に収納されたコイルを
有する電磁石部、この電磁石部の磁極面に対向
し、かつ周方向に対して複数個に分割されるとと
もに一端を支点に径方向に回動変位可能な各部片
を有する筒状のアーマチユア、およびこのアーマ
チユアの各部片を入、出力側の回転体等の一方、
または被制動体に向つて押し付けるばねを備え、
このばねの力によつてアーマチユアを直接、また
は摩擦部材を介して入、出力側回転体等の一方、
または被制動体に圧接させ、同アーマチユアを電
磁吸引力によつて上記の回転体、または被制動体
から離間させるようにしたことを特徴とする電磁
クラツチ・ブレーキ。 An annular yoke with a magnetic pole surface on the inner or outer periphery, an electromagnet section having a coil housed in a recess of this yoke, and facing the magnetic pole surface of this electromagnet section and divided into multiple pieces in the circumferential direction. A cylindrical armature having each part that is rotatable in the radial direction with one end as a fulcrum, and one of the parts of this armature, such as an input rotating body on the output side,
or a spring that presses against the braked body,
The force of this spring causes the armature to enter or exit the armature directly or via a friction member, and one side of the output rotating body, etc.
Alternatively, an electromagnetic clutch/brake characterized in that the armature is brought into pressure contact with a braked body and the armature is separated from the rotating body or the braked body by electromagnetic attraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2037986U JPH0234503Y2 (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2037986U JPH0234503Y2 (en) | 1986-02-14 | 1986-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62133028U JPS62133028U (en) | 1987-08-21 |
| JPH0234503Y2 true JPH0234503Y2 (en) | 1990-09-17 |
Family
ID=30815835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2037986U Expired JPH0234503Y2 (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0234503Y2 (en) |
-
1986
- 1986-02-14 JP JP2037986U patent/JPH0234503Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62133028U (en) | 1987-08-21 |
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