Rotary damper device
A damper, viscous fluid technology, applied in the direction of shock absorbers, shock absorbers, liquid shock absorbers, etc., can solve the problems of low durability, difficult braking torque accuracy, and inability to obtain braking torque, so as to improve durability performance, load reduction effect
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[0054] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0055] FIG. 1 is an exploded perspective view of a damper device according to an embodiment of the present invention.
[0056] In Fig. 1, D represents the damper device, and is made up of the following parts: by having rigid synthetic resin such as the housing 11 that polycarbonate is made; For example, a cover 21 made of polycarbonate; a second valve 31 made of synthetic resin, such as polyacetal, installed on the second rotor wing at the bottom of the housing 11; viscous fluid silicone oil 41 in the casing 11 (accommodation portion 15); rotatably installed in the casing 11, having a part of the shaft portion 52 protruding from the through hole 22 of the cover 21 to the outside, made of synthetic resin such as polycondensation Rotor 51 made of aldehyde; Installed on the first rotating wing 54 on this rotor 51, is made of non-swellability to viscous liquid such as sili...
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Abstract
PROBLEM TO BE SOLVED: To provide a damper device capable of keeping constant accuracy of braking torque, improving the durability by not applying heavy load to a valve and reducing the braking torque in non-braking.
SOLUTION: A first rotary blade 54 moved in silicone oil 41, extended in the radial direction to define an accommodating part 15 of a housing 11, 21 accommodating the silicone oil and having a notch 54a, is mounted on a rotor 51, a first valve 61 is mounted on the first rotary blade for opening the notch 54a in rotating the rotor in one direction and closing the notch 54a in rotating the rotor in the other direction, a second rotary blade 17 moved in the silicone oil, extended in the radial direction to define the accommodating part of the housing and having a notch 17a, is mounted on the housing, and a second valve 31 is mounted on the second rotary blade to open the notch 17a in rotating the rotor in one direction and closing the notch 17a in rotating the rotor in the other direction.
COPYRIGHT: (C)2005,JPO&NCIPI
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