JPWO2022065279A5

JPWO2022065279A5 -

Info

Publication number: JPWO2022065279A5
Application number: JP2022551980A
Authority: JP
Filing date: 2021-09-21
Publication date: 2023-02-07
Anticipated expiration: 2041-09-21

Description

本発明の一実施形態による制御弁装置は、作動流体が通過する開口が設けられたハウジングと、前記ハウジング内に設けられて前記開口を開閉する弁体と、前記開口に設けられて前記弁体が離着座可能に当接する弁座と、前記弁体を前記弁座に向かう方向へ移動させるアクチュエータと、前記弁体を前記弁座から離れる方向へ付勢するバネ装置と、を備え、前記バネ装置は、外周固定部と内周可動部との間が第１特性バネおよび第２特性バネによって接続され、前記弁体が前記弁座に対して離れた側から近づく側に向かう方向に沿って、２つの変化点によって、第１区間、第２区間および第３区間に画定されたバネ荷重特性を有することを特徴とする。
また、本発明の一実施形態による緩衝器は、作動流体が封入されたシリンダと、前記シリンダ内に摺動可能に嵌装されたピストンと、一端が前記ピストンに連結され、他端が前記シリンダの外部へ延出されたピストンロッドと、前記ピストンの移動によって生じる前記作動流体の流れを制御して減衰力を発生させる減衰力発生機構と、を備え、前記減衰力発生機構は、前記作動流体が通過する開口が設けられたハウジングと、前記ハウジング内に設けられて前記開口を開閉する弁体と、前記開口に設けられて前記弁体が離着座可能に当接する弁座と、前記弁体を前記弁座に向かう方向へ移動させるアクチュエータと、前記弁体を前記弁座から離れる方向へ付勢するバネ装置と、を備え、前記バネ装置は、前記弁体が前記弁座に対して離れた側から近づく側に向かう方向に沿って、２つの変化点によって、第１区間、第２区間および第３区間に画定されたバネ荷重特性を有することを特徴とする。
A control valve device according to an embodiment of the present invention includes a housing provided with an opening through which a working fluid passes; a valve body provided in the housing for opening and closing the opening; and the valve body provided in the opening. a valve seat with which the valve is releasable, an actuator that moves the valve body in a direction toward the valve seat, and a spring device that biases the valve body in a direction away from the valve seat, wherein the spring In the device, the outer peripheral fixed part and the inner peripheral movable part are connected by a first characteristic spring and a second characteristic spring, and the valve body moves along the direction from the side away from the valve seat to the side approaching the valve seat. , and spring load characteristics defined in a first section, a second section, and a third section by two change points.
A shock absorber according to an embodiment of the present invention includes a cylinder filled with a working fluid, a piston slidably fitted in the cylinder, one end connected to the piston, and the other end connected to the cylinder. and a damping force generating mechanism for controlling the flow of the working fluid generated by the movement of the piston to generate a damping force, wherein the damping force generating mechanism is adapted to control the working fluid a valve body provided in the housing for opening and closing the opening; a valve seat provided in the opening against which the valve body can be seated and detached; and the valve body toward the valve seat, and a spring device that biases the valve body away from the valve seat, wherein the spring device moves the valve body away from the valve seat. It is characterized by having a spring load characteristic defined in a first section, a second section, and a third section by two points of change along a direction from the approaching side to the approaching side.

Claims

A control valve device,
a housing provided with openings through which the working fluid passes;
a valve body provided in the housing for opening and closing the opening;
a valve seat that is provided in the opening and that the valve body comes into contact with so that it can be seated and detached;
an actuator that moves the valve body in a direction toward the valve seat;
a spring device that biases the valve body away from the valve seat;
In the spring device, the outer peripheral fixed portion and the inner peripheral movable portion are connected by a first characteristic spring and a second characteristic spring, and the valve body moves toward the valve seat from the side away from the valve seat. A control valve arrangement having a spring load characteristic defined in first, second and third segments by two points of change along.

The control valve device according to claim 1 ,
The spring device is
a first spring having a first spring constant;
a second spring provided in series with the first spring and having a second spring constant greater than the first spring constant;
a third spring provided in series with the second spring and having a third spring constant greater than the second spring constant;
A first regulating member and a second regulating member for respectively regulating the second spring and the third spring so that the spring loads of the first spring, the second spring, and the third spring have two or more changing points. A control valve device comprising: a member;

The control valve device according to claim 1 ,
The spring device is
a first spring having a first spring constant;
a second spring provided in series with the first spring and having a second spring constant greater than the first spring constant;
a third spring provided in parallel with the second spring and having a third spring constant larger than the first spring constant;
A control valve device configured such that there are two or more points of change in the spring loads of the first spring, the second spring, and the third spring.

a buffer,
a cylinder containing a working fluid;
a piston slidably fitted in the cylinder;
a piston rod having one end connected to the piston and the other end extending to the outside of the cylinder;
a damping force generating mechanism that controls the flow of the working fluid generated by the movement of the piston to generate a damping force;
The damping force generating mechanism is
a housing provided with an opening through which the working fluid passes;
a valve body provided in the housing for opening and closing the opening;
a valve seat that is provided in the opening and that the valve body comes into contact with so that it can be seated and detached;
an actuator that moves the valve body in a direction toward the valve seat;
a spring device that biases the valve body away from the valve seat;
The spring device is defined by two change points along a direction in which the valve body approaches the valve seat from a side away from the valve seat into a first section, a second section, and a third section. Buffer with load characteristics.