JPH0234838U

JPH0234838U -

Info

Publication number: JPH0234838U
Application number: JP11286488U
Authority: JP
Priority date: 1988-08-30
Filing date: 1988-08-30
Publication date: 1990-03-06
Anticipated expiration: 2003-08-30
Also published as: JPH0625717Y2

Description

[Brief explanation of the drawing]

第１図は本考案の主体部材として使用する板ば
ねの実施例を斜視図、第２図は第１図による実施
例の板ばねを電磁クラツチブレーキに装着した状
態を示すそく断面図、第３図は、本考案の板ばね
とハブとの第２図の実施例による相対位置関係を
示す平面図、第４図は別の実施例による板ばねと
ハブの相対位置関係を示す平面図、第５図は本考
案の考案者による先行技術としての板ばねを示す
斜視図、第６図と第７図は、第５図に示す板ばね
をハブとインナデイスクの間に挿入した場合の位
置関係を示す側断面図と平面図である。図面中の符号、１：回転軸、２：ハブ、３：キ
ー溝、３′：キー、４：アーマチユア、４′：ア
ーマチユアの摩擦面、５：板ばね、５′，５″：
爪、５：ばねの凸部、５―１：中間部、５―２
：爪部、５―３：ばねの底部、６：コイル、７：
インナデイスク、８：端板、１：ヨーク、１０：
アーマチユアスプリング。 Figure 1 is a perspective view of an embodiment of the leaf spring used as the main component of the present invention, Figure 2 is a sectional view showing the leaf spring of the embodiment shown in Figure 1 attached to an electromagnetic clutch brake, and Figure 3 is a cross-sectional view of the leaf spring of the embodiment shown in Figure 1. 4 is a plan view showing the relative positional relationship between the leaf spring and the hub of the present invention according to the embodiment shown in FIG. 2; FIG. 4 is a plan view showing the relative positional relationship between the leaf spring and the hub according to another embodiment; Fig. 5 is a perspective view showing a leaf spring as a prior art by the inventor of the present invention, and Figs. 6 and 7 show the positional relationship when the leaf spring shown in Fig. 5 is inserted between the hub and the inner disk. FIG. Symbols in the drawings: 1: Rotating shaft, 2: Hub, 3: Keyway, 3': Key, 4: Armature, 4': Friction surface of armature, 5: Leaf spring, 5', 5'':
Claw, 5: Convex part of spring, 5-1: Middle part, 5-2
:Claw part, 5-3: Bottom of spring, 6: Coil, 7:
Inner disk, 8: End plate, 1: Yoke, 10:
Armature your spring.

Claims

[Scope of claim for utility model registration] A yoke, a coil housed within the yoke,
an armature that faces the coil with a predetermined gap and is capable of moving forward and backward in the axial direction of the rotating shaft; an end plate provided on the opposite side in the axial direction with respect to the armature; a hub positioned between the end plate and the armature and engaged with the outer periphery of the hub,
In an electromagnetic clutch/brake that includes an inner disk that transmits rotational force or braking force to a rotating shaft by electromagnetic attraction force or elastic force of a spring, in the gap between the power transmission fitting part of the inner disk and the hub. The leaf spring to be inserted has a plurality of pawls provided at predetermined positions in its longitudinal direction, and each of the pawls is bent in the same direction with respect to the plate surface of the spring so as to hold the hub from both axial sides. It consists of a pair of claws facing each other, one of the claws being bent inward at an angle that is approximately equal to the angle of the outer corner of the hub, and the other claw being bent inward at an angle that is smaller than the angle of the outer corner of the hub. , the spacing between the tips of the pair of claws is approximately equal to the thickness of the hub, and the spacing between the bottom plates connecting the bases of the claws is larger than the thickness of the hub, and is opposite to one side of the hub. An electromagnetic clutch/brake having a noise prevention structure characterized by maintaining a predetermined gap between the armature and the side surface of the armature.