Speed reducer and electric retractable rearview mirror set with same
A technology of reducer and driving force, which is applied in the direction of transmission device, gear transmission device, transmission device parts, etc., can solve the problems of accuracy improvement limitation, incorrect combination, difficulty and so on, so as to reduce abnormal wear and reduce abnormal Effects of normal wear and tear
Inactive Publication Date: 2003-02-19
MURAKAMI CORP
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Problems solved by technology
However, when the two frames are combined to form the above-mentioned speed reducer, since it is difficult to solve the problem caused by the incorrect combination of the first frame 33 and the second frame 34, the two gears meshing with each other Accuracy improvements are limited
[0010] In addition, the above-mentioned inconvenience is not only due to the said speed reducer for the electrically retractable rear view mirror, but also because the said speed reducer has a plurality of racks joined together
Method used
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[0033] A preferred embodiment of the retarder and the electrically retractable rearview mirror equipped with the retarder of the present invention will now be described in detail. In the following, when the speed reducer is applied to the electric retractable rearview mirror, the speed reducer will be described as an example. However, the application of the speed reducer is not limited to the electric retractable rearview mirror.
[0034] figure 1 It is a perspective view of the speed reducer of the present invention. figure 2 yes figure 1 An enlarged sectional view of the main part of the first frame of the reducer shown in . The speed reducer 1 includes a gear box 2 having a combined first frame 3 and a second frame 4, in which an input gear 5, intermediate gears 7a, 7b, and an output gear 9 are provided.
[0035] The input shaft 6 on which the input gear 5 is mounted and the intermediate shaft 8 on which the intermediate gears 7 a, 7 b are mounted are rotatably suppo...
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The present invention provided a speed reducer such that a driving force can always be steadily and smoothly transmitted regardless of err caused by incorrectly combining frames to form a gearbox. Furthermore, to provide an electric retractable rearview mirror capable of always steadily and smoothly turning. A speed reducer 1 comprises a gear box 2 having a first frame 3 and a second frame 4 combined together, an input gear 5 fixed on an input shaft 6 being rotated by a driving force, an output gear 9 fixed on an output shaft 10, an intermediate shaft 8, intermediate gears 7a, 7b fixed on the intermediate shaft 8 to reduce a speed of rotation of the input gear 5 for being transmitted to said output gear 9, wherein the input shaft 6 and the intermediate shaft 8 are rotatably supported by the first frame 3 for always maintaining the length between each core of the input shaft 6 and the intermediate shaft 8 as a predetermined length.
Description
technical field [0001] The present invention relates to a speed reducer capable of smoothly transmitting the driving force of the input shaft to the output shaft after the driving force is provided on the input shaft. [0002] The invention also relates to an electrically retractable rearview mirror for a motor vehicle equipped with said retarder. Background technique [0003] Generally, the electrically retractable rearview mirror is mounted on a motor vehicle, etc., so that the driving force provided by the motor can retract the mirror body and retract it to the initial position for easy use. [0004] The aforementioned rearview mirror is retracted and retracted to its original position in the manner described below. Such as image 3 As shown, the motor 11 is mounted inside the mirror body. The driving force provided by the motor 11 is transmitted to a shaft (output shaft) mounted on a base member 22, which is attached to the vehicle body. The mirror body then rotates o...
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IPC IPC(8): B60R1/074F16H1/16F16H57/028F16H57/037F16H57/038F16H57/039
CPCY10T74/19828B60R1/074
Inventor 山内和成森冈刚
Owner MURAKAMI CORP