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Fluid damper device and damper-equipped device

A buffer device and fluid technology, applied in the field of equipment with buffer, can solve the problem of large rotating load of the rotor and so on

Active Publication Date: 2019-03-15
SANKYO SEIKI MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the rotational load of the rotor is large

Method used

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  • Fluid damper device and damper-equipped device
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Embodiment Construction

[0041] Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. In addition, in the following description, the direction in which the rotating shaft 40 of the rotor 30 extends is the axis L direction, and the side where the rotating shaft 40 protrudes from the housing 20 in the axis L direction is referred to as the side L1, and the rotating shaft 40 and the rotating shaft 40 are The side opposite to the side protruding from the housing 20 will be described as the other side L2.

[0042] (buffered device)

[0043] figure 1 It is an explanatory diagram of a western-style toilet unit 100 having a western-style toilet 1 equipped with a fluid cushioning device 10 of the present invention. figure 1 The western style toilet unit 100 is shown having a western style toilet 1 (cushioned equipment) and a sink 3 . The Western-style toilet 1 has a toilet body 2 (device body), a resin toilet seat 5 (opening and closing member), a ...

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Abstract

A fluid damper device (10) is equipped with a rotor (30) which is inserted into a floor-equipped cylindrical case (20), and a cover (60) which is secured to the opening (29) of the case (20). Weldingprojections (80) to be welded to the cover (60) are formed along part of the inner-circumferential surface of the case (20) in the circumferential direction thereof. On the other side (L2) in the axial (L) direction relative to the welding range (X) where the cover and the welding projections (80) are welded to one another, first outflow prevention parts (91L, 91R) are formed in locations which are adjacent to the welding projections (80) in the circumferential direction thereof, as outflow prevention parts (90) for appropriately handling the molten resin which overflows from the welding sites. In addition, arc-shaped stepped surfaces (76) which function as outflow restricting parts (95) are provided on the other side (L2) in the axial L direction from the first outflow prevention parts (91L, 91R), and as a result, restrict contact between an O-ring (49) and resin which has overflowed.

Description

technical field [0001] The present invention relates to a fluid buffer device filled with fluid between a casing and a rotor and a device with buffer. Background technique [0002] Patent Document 1 discloses a fluid damper in which a fluid such as oil is filled between a bottomed cylindrical case and a rotor. In the fluid cushioning device of Patent Document 1, one end of the rotor (rotation shaft) in the axial direction is arranged inside the casing, a buffer chamber is formed between the rotation shaft and the inner peripheral surface of the casing, and the valve provided on the side surface of the rotation shaft The core is placed in the buffer chamber. When the rotor rotates in the first direction, the radial end of the valve core is in contact with the inner peripheral surface of the housing. Therefore, the rotational load of the rotor is large. On the other hand, when the rotor rotates in a direction opposite to the first direction, fluid resistance creates a gap b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/14A47K13/12
CPCA47K13/12F16F9/145F16F9/3235F16F9/3242F16F2226/048F16F2230/30F16F2230/36
Inventor 三原直哉
Owner SANKYO SEIKI MFG CO LTD
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