JPH01136734U - - Google Patents
Info
- Publication number
- JPH01136734U JPH01136734U JP3331188U JP3331188U JPH01136734U JP H01136734 U JPH01136734 U JP H01136734U JP 3331188 U JP3331188 U JP 3331188U JP 3331188 U JP3331188 U JP 3331188U JP H01136734 U JPH01136734 U JP H01136734U
- Authority
- JP
- Japan
- Prior art keywords
- friction plate
- hub
- armature
- pressure receiving
- magnetic body
- 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
Landscapes
- Braking Arrangements (AREA)
Description
第１図ないし第３図は本考案の実施例を示すも
ので、第１図は断面図で制動動作を解除した状態
を示す断面図、第２図は上半部だけを示した制動
動作をしている状態を示す断面図、第３図は第１
図のＡ―Ａ断面図、第４図は従来例の制動動作を
している状態を示す断面図である。
２：電磁コイル、４：マグネツトボデー、８：
磁着面、１４：受圧板、１６：アーマチユア、１
８：摩擦板、２０：ハブ、２６，２８：空隙、３
０：凹部、３６：球状部材。
Figures 1 to 3 show embodiments of the present invention, with Figure 1 being a cross-sectional view showing a state in which the braking action has been released, and Figure 2 being a sectional view showing the braking action showing only the upper half. Figure 3 is a sectional view showing the state in which
FIG. 4 is a sectional view taken along the line AA in the figure and shows a state in which a conventional braking operation is performed. 2: Electromagnetic coil, 4: Magnetic body, 8:
Magnetized surface, 14: Pressure receiving plate, 16: Armature, 1
8: Friction plate, 20: Hub, 26, 28: Gap, 3
0: recess, 36: spherical member.
Claims (1)
グネツトボデーの前面の磁着面に対向する前方の
所定位置に設けた固定部材としての受圧板と、前
記マグネツトボデーの前面の磁着面への磁気吸着
を自在とし軸線方向にのみ可動のアーマチユアと
、前記受圧板とアーマチユアとの間に設けた摩擦
板と、この摩擦板を一体回動および軸線方向可動
に支持し被制動回転部材に固定自在のハブと、前
記アーマチユアを受圧板方向に押圧するばねとを
有してなる負作動形電磁ブレーキにおいて、前記
摩擦板のハブへの支持はめあい部の内面に設けら
れた複数個の凹部と、この凹部に対向しハブに放
射状方向に設けられた凹部と同数個の穴と、この
穴中に設けられた付勢機構と、この付勢機構によ
つて放射状方向の外方に付勢され穴の口縁部の狭
窄によつて抜け止めされている球状部材とを備え
、この負作動形電磁ブレーキの制動動作を解除し
たときに前記アーマチユアと摩擦板間および摩擦
板と受圧板間とに所望の空隙を生じさせることを
特徴とする負作動形電磁ブレーキ。 A magnetic body with a built-in electromagnetic coil, a pressure receiving plate as a fixed member provided at a predetermined position in front of the magnetic body opposite to the magnetic surface on the front surface of the magnetic body, and a magnetic field on the magnetic surface on the front surface of the magnetic body. an armature that can freely attract and move only in the axial direction; a friction plate provided between the pressure receiving plate and the armature; and a friction plate that supports the friction plate so as to be integrally rotatable and movable in the axial direction and can be fixed to a rotating member to be braked. A negative actuation type electromagnetic brake comprising a hub and a spring that presses the armature toward the pressure receiving plate, including a plurality of recesses provided on an inner surface of a support fitting portion of the friction plate to the hub; The same number of holes as the recesses are provided in the hub in a radial direction opposite to the hub, a biasing mechanism is provided in the holes, and the biasing mechanism biases the opening of the hole outward in the radial direction. a spherical member that is prevented from coming off by a narrowed edge, and when the braking operation of this negative actuation type electromagnetic brake is released, a desired gap is created between the armature and the friction plate and between the friction plate and the pressure receiving plate. A negative actuation type electromagnetic brake characterized by causing
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3331188U JPH01136734U (en) | 1988-03-14 | 1988-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3331188U JPH01136734U (en) | 1988-03-14 | 1988-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136734U true JPH01136734U (en) | 1989-09-19 |
Family
ID=31259965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3331188U Pending JPH01136734U (en) | 1988-03-14 | 1988-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03107535U (en) * | 1990-02-21 | 1991-11-06 | ||
| JP2005511999A (en) * | 2001-12-10 | 2005-04-28 | ソシエテ・アノニム・ベランジェ | Brake device for vehicle |
-
1988
- 1988-03-14 JP JP3331188U patent/JPH01136734U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03107535U (en) * | 1990-02-21 | 1991-11-06 | ||
| JP2005511999A (en) * | 2001-12-10 | 2005-04-28 | ソシエテ・アノニム・ベランジェ | Brake device for vehicle |
| JP4818584B2 (en) * | 2001-12-10 | 2011-11-16 | ソシエテ・アノニム・ベランジェ | Brake device for vehicle |
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