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Damper

A technology of a damping device and a rotating member, applied in the field of damping devices

Inactive Publication Date: 2005-09-07
SANKYO SEIKI MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The object of the present invention is to provide a damping device that solves the problem of the oil leakage prevention cover in the prior art

Method used

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Embodiment Construction

[0031] Hereinafter, embodiments of the damper device according to the present invention will be described with reference to the drawings.

[0032] figure 1 It is a cross-sectional view of the first embodiment of the damping device of the present invention, (a) is a cross-sectional view along the axis of the damping part, and figure (b) is a cross-sectional view along line B-B in figure (a), showing the outline of the one-way valve 30.

[0033] The damper device 10 of the first embodiment has a mount 12 for fixing the damper 10 to a Western-style toilet (not shown). The mounting base 12 is integrally formed with the housing 14 . The mounting seat 12 is pierced with through holes 12a for inserting bolts, and is recessed with spot facing holes 12b for receiving bolt heads. Housing 14 such as figure 1 As shown in (a), the structure of the rotating shaft 20 is: protruding from one side (lower in the figure), and the other side (upper in the figure) forms an outer peripheral port...

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PUM

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Abstract

The invention provides a damper device of rotary type free from an oil leak preventive cover. The inside of a easing 14 is filled with a specified quantity of silicone oil 31, and a check valve 30 is fitted on a rotary vane 22, and a rotor 18 with an O-ring 25a fitted on the periphery of a flange 25 is fitted in the casing 14, and a diametrically contracted portion 20a of a rotary shaft 20 is borne by a through hole 26 in a bulkhead 27, and the end face 22a of the rotary vane 22 is put in slide contact with the inner surface of the bulkhead 27 together with a diametrically contracted step part 20b. To the inside surface of the bulkhead 27 an O-ring 26a is mounted from the opposite side of the rotor 18 inserting direction, and a bearing plate 32 fitted with an O-ring 32a is fitted in, and the rotary shaft 20 and bearing plate 32 are fastened together by a screw.

Description

technical field [0001] The present invention relates to a damping device applied to hinges for opening and closing of rotating covers, rotating door leaves, etc., especially, the present invention relates to a damping device applied to limit the speed of one-way rotation, such as hinges of toilets / toilet covers device. technical background [0002] FIG. 8 is a schematic diagram of a main part of a conventional damper device 100 . In Fig. 8, (a) is a cross-sectional view at right angles to the rotation axis C, and (b) is a longitudinal section view along the rotation axis C. [0003] In Fig. 8(a), when the damping device 100 is installed on the toilet hinge of an unillustrated western-style toilet, if the toilet / toilet cover is turned from the closed state to the open direction, the rotating member 101 will rotate in the opposite direction. Turn clockwise. Due to the counterclockwise rotation of the rotating member 101, due to the damping of the oil, the one-way valve 102 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47K13/12E05F3/14F16D57/02F16F9/14F16F9/32F16F9/36
CPCE05F3/14E05Y2900/614A47K13/12E05Y2201/256F16D57/02E05Y2201/21F16F9/145E05Y2201/266
Inventor 岩下浩之
Owner SANKYO SEIKI MFG CO LTD