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gear motor

A technology of motors and gears, applied in the field of gear motors, can solve problems such as not including output shafts

Active Publication Date: 2017-03-01
SANKYO SEIKI MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the automatic opening and closing device of Patent Document 1 does not include an element for positioning the output shaft, so it is necessary to use other elements prepared separately to position the output shaft at a predetermined angular position.

Method used

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Embodiment Construction

[0242] A description will be given of an embodiment in which the present invention is applied to a gear motor 1, wherein the gear motor 1 is used for a cover body that is driven to rotate about a horizontal axis, such as a toilet seat of a Western-style toilet, a toilet cover, a washing machine with a cover on the upper surface, and the like The opening and closing drive. figure 1 It is a perspective view showing the appearance of the gear motor 1 of the embodiment. figure 2 It is an exploded perspective view of the gear motor 1 viewed from the rear right and diagonally below. image 3 It is a development view of the gear set of the gear motor 1. Figure 4 It is a plan view showing a state in which the upper housing 30 is removed from the lower housing 70, and is a diagram illustrating the arrangement of the reduction gear set 5 and the output gear Gf in the lower housing 70. In addition, in Figure 4 Among them, the pinion gear 90, the first gear G1, and the sensor gear 137 are...

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Abstract

Provided is a geared motor which can position an output shaft on a specified angular position. The geared motor (1) comprises a DC motor (2), an output gear (Gf), and an angular sensor (150) which detect rotation angle of the output gear (Gf), so that a toilet seat connected with the output gear (Gf) rotates, and the toilet seat does reciprocating motion between an open position and a closed position. The DC motor (2), the output gear (Gf), and gears (G2-G4) of a reduction gear group are disposed in a housing (7) which is formed by overlapping a lower housing (70) and an upper housing (30) on an axis (Xa) of the output gear (Gf). A limiting portion (257) disposed on the output gear (Gf) limits rotation range of the output gear (Gf) through abutting with a fixing side limiting portion of the lower housing (70). When the toilet seat reaches the specific position on the closed position side, the limiting portion (257) is abutted against with the fixing side limiting portion.

Description

Technical field [0001] The invention relates to a gear motor. Background technique [0002] Patent Document 1 discloses an automatic opening and closing device (gear motor) of a toilet seat and a toilet lid. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2002-219076 [0004] In the automatic opening and closing device of Patent Document 1, the output rotation of the motor is transmitted to the output shaft via the speed reduction mechanism to drive the toilet seat and the toilet lid (lid body) connected to the output shaft to open and close. The automatic opening and closing device has a variable resistor that detects the angular position of the output shaft connected to the toilet seat and the toilet lid, and determines the angular position of the toilet seat and the toilet lid based on the output signal of the variable resistor, and controls the motor The rotation drive of the output shaft is controlled. [0005] For example, in the case of rotating the toilet seat and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K7/116H02K11/21
CPCH02K7/1166
Inventor 有贺久刚
Owner SANKYO SEIKI MFG CO LTD
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