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Damper

A technology of damping device and rotating component, applied in the field of damping device

Inactive Publication Date: 2003-11-19
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

[0032] Hereinafter, embodiments of the damper device according to the present invention will be described with reference to the drawings.

[0033] 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.

[0034] 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 base 12 is pierced with through holes 12 a for inserting bolts, and is recessed with spot facing holes 12 b 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 ...

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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] Figure 8 It is a schematic diagram of a main part of a conventional damper device 100 . Figure 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] exist Figure 8 In (a), when the damper device 100 is attached to the toilet hinge of a Western-style toilet not shown in the figure, when the toilet / toilet cover is turned from the closed state to the open direction, the rotating member 101 rotates counterclockwise. . Due to the counterclockwise rotation of the rotating member 101, due to the damping of the oil, the one-way valve 102 moun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47K13/12E05F3/14F16D57/02F16F9/14F16F9/32F16F9/36
CPCE05Y2900/614E05F3/14A47K13/12F16D57/02E05Y2201/256E05Y2201/21F16F9/145E05Y2201/266E05Y2999/00
Inventor 岩下浩之
Owner SANKYO SEIKI MFG CO LTD