JPH0312680U

JPH0312680U -

Info

Publication number: JPH0312680U
Application number: JP7394789U
Authority: JP
Priority date: 1989-06-22
Filing date: 1989-06-22
Publication date: 1991-02-08

Description

[Brief explanation of drawings]

第１図はこの考案の比例流量制御バルブにおけ
るシリンダの第１実施例の流体通流孔の部分の平
面図、第２図および第３図はそれぞれこの考案の
比例流量制御バルブにおけるシリンダの第２およ
び第３の実施例の流体通流孔の部分の平面図、第
４図ないし第６図はそれぞれ第１図ないし第３図
のシリンダを使用した場合のこの考案の比例流量
制御バルブの流量特性図、第７図はこの考案の比
例流量制御バルブにおけるシリンダの第４の実施
例の流体通流孔の部分の平面図、第８図は第７図
のシリンダを使用した場合の考案の比例流量制御
バルブの流量特性図、第９図は従来の比例流量制
御バルブの全体構成を示す断面図、第１０図ない
し第１２図はそれぞれ従来の比例流量制御バルブ
に使用されるシリンダの流体通流孔の部分の平面
図、第１３図ないし第１５図はそれぞれ第１０図
ないし第１２図のシリンダを使用した場合の従来
の比例流量制御バルブの流量特性図である。１……ソレノイド、２……コア、４……弁体、
５，８……スプリング、７……シリンダ、７ａ，
７ｂ……流体通流孔、１１……比例流量制御バル
ブ本体、１１ａ……流体導入通路、１１ｃ……流
体導出通路。なお、図中、同一符号は同一、又は
相当部分を示す。 FIG. 1 is a plan view of the fluid communication hole portion of the first embodiment of the cylinder in the proportional flow control valve of this invention, and FIGS. 2 and 3 are a plan view of the second embodiment of the cylinder in the proportional flow control valve of this invention and a plan view of the fluid communication hole portion of the third embodiment, and FIGS. 4 to 6 show flow characteristics of the proportional flow control valve of this invention when the cylinders shown in FIGS. 1 to 3 are used, respectively. Figure 7 is a plan view of the fluid communication hole portion of the fourth embodiment of the cylinder in the proportional flow rate control valve of this invention, and Figure 8 is the proportional flow rate of the invention when the cylinder of Figure 7 is used. Flow rate characteristic diagram of the control valve, FIG. 9 is a sectional view showing the overall configuration of a conventional proportional flow control valve, and FIGS. 10 to 12 are fluid communication holes of a cylinder used in the conventional proportional flow control valve. 13 to 15 are flow rate characteristic diagrams of a conventional proportional flow control valve when the cylinders shown in FIGS. 10 to 12 are used, respectively. 1... Solenoid, 2... Core, 4... Valve body,
5, 8...Spring, 7...Cylinder, 7a,
7b...Fluid communication hole, 11...Proportional flow rate control valve body, 11a...Fluid introduction passage, 11c...Fluid outlet passage. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

補正平２．７．７考案の名称を次のように補正する。考案の名称比例流量制御バルブ実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 2.7.7 The name of the invention is amended as follows. Title of the invention: Proportional flow control valve The scope of the utility model registration claim and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】比例流量制御バルブ本体の流体導入通路に臨ま
され、大きさの異なる複数個の長方形または同じ
大きさの長方形で軸方向にオフセツトさせた複数
個の長方形の流体流通孔を有するシリンダと、こ
のシリンダ内に収納されたコアと、上記シリンダ
の外周側に巻装された電磁コイルと、上記シリン
ダ内に収納され、上記電磁コイルの励磁時に上記
コア方向に吸引され、上記流体流通孔の開口面積
を制御する流量調整手段と、上記シリンダ内にお
いて上記流量調整手段と上記コアとの間に介在さ
れ上記流量調整手段を吸引方向とは反対方向に付
勢する第１のスプリングと、上記流量調整手段の
吸引方向に付勢する第２のスプリングとを備えた
比例流量制御バルブ。[Claim for Utility Model Registration] A plurality of rectangular fluid flow holes facing the fluid introduction passage of the proportional flow control valve body and having a plurality of rectangles of different sizes or rectangles of the same size offset in the axial direction. a cylinder having a core housed in the cylinder, an electromagnetic coil wound around the outer circumferential side of the cylinder, and an electromagnetic coil housed in the cylinder, which is attracted toward the core when the electromagnetic coil is excited; a flow rate adjustment means for controlling the opening area of the fluid flow hole; and a first spring interposed between the flow rate adjustment means and the core in the cylinder and biasing the flow rate adjustment means in a direction opposite to the suction direction. and a second spring that biases the flow rate adjusting means in the suction direction.

【図面の簡単な説明】第１図はこの考案の比例流量制御バルブにおけ
るシリンダの第１実施例の流体流通孔の部分の平
面図、第２図および第３図はそれぞれこの考案の
比例流量制御バルブにおけるシリンダの第２およ
び第３の実施例の流体流通孔の部分の平面図、第
４図ないし第６図はそれぞれ第１図ないし第３図
のシリンダを使用した場合のこの考案の比例流量
制御バルブの流量特性図、第７図はこの考案の比
例流量制御バルブにおけるシリンダの第４の実施
例の流体流通孔の部分の平面図、第８図は第７図
のシリンダを使用した場合の考案の比例流量制御
バルブの流量特性図、第９図は従来の比例流量制
御バルブの全体構成を示す断面図、第１０図ない
し第１２図はそれぞれ従来の比例流量制御バルブ
に使用されるシリンダの流体流通孔の部分の平面
図、第１３図ないし第１５図はそれぞれ第１０図
ないし第１２図のシリンダを使用した場合の従来
の比例流量制御バルブの流量特性図である。１……ソレノイド、２……コア、４……弁体、
５，８……スプリング、７……シリンダ、７ａ，
７ｂ，７ｃ……流体流通孔、１１……比例流量制
御バルブ本体、１１ａ……流体導入通路、１１ｃ
……流体導出通路。なお、図中、同一符号は同一
、又は相当部分を示す。[Brief Description of the Drawings] Fig. 1 is a plan view of the fluid flow hole portion of the first embodiment of the cylinder in the proportional flow control valve of this invention, and Figs. 2 and 3 respectively show the proportional flow control valve of this invention. Plan views of the fluid communication holes of the second and third embodiments of the cylinder in the valve, and Figures 4 to 6 show the proportional flow rates of this invention when the cylinders of Figures 1 to 3 are used, respectively. Flow characteristic diagram of the control valve, FIG. 7 is a plan view of the fluid communication hole portion of the fourth embodiment of the cylinder in the proportional flow rate control valve of this invention, and FIG. 8 is a diagram of the flow rate when the cylinder of FIG. Fig. 9 is a cross-sectional view showing the overall structure of a conventional proportional flow control valve, and Figs. 10 to 12 are diagrams of cylinders used in the conventional proportional flow control valve. The plan view of the fluid flow hole portion and FIGS. 13 to 15 are flow rate characteristic diagrams of a conventional proportional flow control valve when the cylinders shown in FIGS. 10 to 12 are used, respectively. 1... Solenoid, 2... Core, 4... Valve body,
5, 8...Spring, 7...Cylinder, 7a,
7b, 7c...Fluid communication hole, 11...Proportional flow rate control valve body, 11a...Fluid introduction passage, 11c
...Fluid lead-out passage. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A cylinder facing the fluid introduction passage of the proportional flow control valve body and having a plurality of rectangular fluid communication holes of different sizes or rectangles of the same size offset in the axial direction;
An electromagnetic coil is wound around the outer circumferential side of the cylinder of a core housed in the cylinder, and an electromagnetic coil is housed in the cylinder and is attracted toward the core when the electromagnetic coil is excited to open the fluid communication hole. a first spring that is interposed between the flow rate adjustment means and the core in the cylinder and biases the flow rate adjustment means in a direction opposite to the suction direction; a second spring biasing the means in a suction direction;