TH35752B - The speed reducer and rearview mirror are electrically integrated with the speed reducer. - Google Patents

Abstract

DC60 (01/10/45) In order to provide a speed reducer such that the thrust can be transmitted reliably and smoothly regardless of errors caused by the incorrect combination of the frames to create the gear box, and subsequently to provide an electrically reversible rearview mirror that can rotate reliably and smoothly, the speed reducer 1 consists of a gear box 2 with the first frame 3 and the second frame 4 combined, input gear 5 mounted on the input shaft 6 to be rotated by the thrust, output gear 9 mounted on the output shaft 10, center shaft 8, center gears 7a, 7b mounted on the center shaft 8 to reduce the rotational speed of the input gear 5 so that it is transmitted to the output shaft 9, where the input shaft 6 and center shaft 8 are rotatedly supported by the first frame 3 to maintain the length between each axis of the input shaft 6 and center shaft 8 at a fixed length, in order to provide a speed reducer such that the thrust can be transmitted reliably and smoothly. Regardless of the errors caused by the incorrect combination of the frames to create the gear box and subsequently to provide an electrically reversible rearview mirror that can rotate precisely and smoothly, the speed reducer 1 consists of gear box 2 with the first frame 3 and the second frame 4 joined together, input gear 5 mounted on the input shaft 6 to be rotated by the driving force, output gear 9 mounted on the output shaft 10, center shaft 8, center gears 7a, 7b mounted on the center shaft 8 to reduce the rotational speed of the input gear 5 so that it is transmitted to the output shaft 9, where the input shaft 6 and center shaft 8 are rotatedly supported by the first frame 3 to maintain the length between each axis of the input shaft 6 and center shaft 8 at a fixed length.

Claims (3)

1. The speed reducer (1) consists of a gearbox (2) in which the first (3) and second (4) frames are joined, an input gear (5) mounted on the input shaft (6) to be driven, an output gear (9) mounted on the output shaft (10), one or more intermediate shafts (8) and one or more intermediate gears (7a,7b) mounted on the intermediate shaft (8) to reduce the rotational speed of the input gear (5) for transmission to the output gear (9), where the input shaft (6), output shaft (10) and intermediate shaft (8) are rotated supported by the gearbox (2), both ends of the input shaft (6) are rotated supported by input shaft clamps (3b,3d) provided in the first frame (3), the output shaft (10) is rotated supported by output shaft clamps (4a) provided in the second frame (4). It is characterized by: Each end of the center shaft (8), which has a center gear (7a) attached to the input gear (5) which is mounted on it, is supported rotatably by the center shaft clamp (3f) provided in the first structure (3). 2. The speed reducer (1) under claim 1, in which the input gear (5) is a worm gear, the output gear (9) is a worm gear with a rotating wheel, and the said intermediate gears (7a,7b) consist of the first stage worm gear (7a) attached to the said input gear (5) and the second stage worm gear (7b) attached to the said output gear (9), the said first stage worm gear (7a) and the second stage worm gear (7b) are mounted on the same intermediate shaft (8) which is perpendicular to the said input shaft (6) and to the said output shaft (10). 3. The electrically folding rearview mirror (20) consists of a mirror body (21) with a speed reducer (1) mounted internally as described in either of the claims 1 or 2, where the mirror body (21) is mounted on a base piece (22) attached to the vehicle body, and the drive is provided on the input shaft (6) from the motor (11) mounted on the aforementioned first frame (3), and the end of the output shaft (9) is mounted on the aforementioned base piece (22).