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Geared motor

A technology of geared motors and motors, applied in the direction of gear transmissions, belts/chains/gears, electromechanical devices, etc., which can solve the problems of generating sound and other motions

Active Publication Date: 2018-10-23
NIDEC COPAL CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The aforementioned existing gear motors have the problem of producing operating sounds

Method used

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Examples

Experimental program
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Embodiment Construction

[0016] Hereinafter, embodiments of the present invention will be described with reference to the drawings. Such as figure 1 with figure 2 As shown, the gear motor 1 according to the embodiment of the present invention includes a motor main body 10 and a gear mechanism part 20.

[0017] The motor main body 10 accommodates various motors including a rotating shaft 11 in a motor housing having an end surface 12 through which the rotating shaft 11 protrudes. For example, a DC motor such as a cored motor can be used as the motor. A drive gear (input gear) 13 is fixed to the rotating shaft 11.

[0018] A flange 14 is fixed to an end surface (end surface of the motor housing) 12 on the side of the gear mechanism portion 20 of the motor main body 10. The flange 14 is an intermediate member for fixing the gear housing 21 of the gear mechanism part 20 to the motor body 10. The flange 14 has an opening 14A at the center. The convex portion 12A provided on the end face 12 of the motor body...

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PUM

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Abstract

Provided is a geared motor configured so as to suppress operating noise using a simple dustproof and waterproof structure. A geared motor 1 is provided with a motor body 10 and a gear mechanism 20. Aflange 14 extending over a rotating shaft 11 is affixed to an end surface 12 of the motor body 10. The gear mechanism 20 has a gear case 21 configured such that: the outer periphery of the flange 14 is affixed to the opening 21A of the gear case 21, which is located on one end side thereof; an output shaft 20A protrudes from the other end side; and the gear case 21 has on the inner periphery thereof the stationary inner teeth 21G of a planetary gear power transmission mechanism. An elastic-ring accommodation section (50) is provided in the outer periphery of the flange 14. The elastic-ring accommodation section 50 has an elastic-ring pressure contact surface 51 tilted at a given angle relative to the rotating shaft 11 and facing the end surface 12 of the motor body 10.

Description

Technical field [0001] The present invention relates to a gear motor that outputs the rotation of the motor via a gear transmission mechanism. Background technique [0002] In the electric mechanism of various devices (or equipment), a gear motor that decelerates the rotation output of the motor through a gear transmission mechanism is used. The gear motor is composed of a motor body and a gear mechanism, but as a structure that can save space and achieve a high reduction ratio, it is known that the output shaft is coaxial with the rotation shaft of the motor body and the gear mechanism is multi-stage. The structure of the planetary gear mechanism (refer to Patent Document 1 below). [0003] Prior art literature [0004] Patent literature [0005] Patent Document 1: Japanese Patent Laid-Open No. 2016-15794 Summary of the invention [0006] The technical problem to be solved by the invention [0007] The aforementioned conventional gear motor has a problem of generating operating soun...

Claims

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Application Information

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IPC IPC(8): H02K5/24B25J19/00F16H1/48F16H57/029H02K7/116
CPCB25J19/00F16H1/48F16H57/029H02K5/24H02K7/116
Inventor 横塚力
Owner NIDEC COPAL CORPORATION