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Electronmagnetic clutch

An electromagnetic clutch and electromagnetic force technology, which is applied in clutches, magnetic drive clutches, non-mechanical drive clutches, etc., can solve the problems of a large number of components and a large number of man-hours in electromagnetic clutches, and achieve the effect of reducing impact and reducing operating noise

Inactive Publication Date: 2006-04-05
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is a problem that the electromagnetic clutch requires a large number of parts and a large number of man-hours

Method used

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  • Electronmagnetic clutch
  • Electronmagnetic clutch

Examples

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no. 2 example

[0071] In the first embodiment described above, the first elastic member 67 and the second elastic member 66 are separate elements, however, the first elastic member 67 and the second elastic member 66 may be integrally formed. By referring to Figs. 9 to 11, a second embodiment will be described. Refer to attached Figure 9A with 9B , according to the second embodiment, the second elastic member 66 is provided with three protruding portions 67 integrally formed, and the protruding portion 67 is located at an intermediate point along the circumferential direction between the D-shaped elastic members 66a on the second elastic member, and Extend radially outward.

[0072] Such as Figure 10 with 11 As shown, these protruding parts 67 are arranged between the armature 5 and the leaf spring 61, and are located at the middle point between the fixed parts 62, so as to provide an initial deflection for the leaf spring 61, which is equivalent to the first deflection in the first em...

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Abstract

An electromagnetic clutch reduces clutch operating noise at a low cost by utilizing elastic members which are suited to a spring force of a leaf spring. An approximate nonagonal leaf spring has an outer ring portion, attachment portions connected to a hub, and connecting portions. Under the outer ring portion, securing portions of an armature are disposed. First elastic members are disposed at intermediate points of the securing portions, and a second elastic member is disposed in a gap between the leaf spring and the hub along an axial direction. When actuating the electromagnetic clutch, the leaf spring compresses the second elastic member, and when stopping the electromagnetic clutch, the armature collides with the first elastic member so that an axial position of the armature is secured.

Description

technical field [0001] The present invention relates to an electromagnetic clutch for transmitting and stopping rotational force, and more particularly, the present invention relates to reducing operating noise generated when the electromagnetic clutch is started and stopped. Background technique [0002] A type of electromagnetic clutch is disclosed in Japanese Patent Publication No. 2000-179582. This patent application includes an armature that is attracted to the rotating member on the driving side by the electromagnetic force generated by the electromagnetic coil, and a slave that is connected to the rotating device on the driven side. The rotating part on the driving side, and a circular leaf spring as a spring device for connecting the armature and the main rotating part. [0003] The annular leaf spring includes an outer ring portion connected to the armature, an engaging portion disposed inside the outer ring portion and connected to the driven-side rotating member, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D27/112F16D27/14
CPCF16D27/112F16D27/14F16D2027/007F16D27/10
Inventor 林敏弘
Owner DENSO CORP
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