JPH0212590U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図および第２図はこの考案の一実施例を示
す流体継手の各々分離状態および接続状態の四半
部縦断側面図、第３図ａは第１図および第２図で
示した流体継手の筒状弁体を拡大して示した四半
部縦断拡大側面図、第３図ｂは第３図ａのＡ−Ａ
線断面図、第４図は従来の流体継手のロツク機構
の部分拡大断面説明図である。 １……流体継手、１１……ソケツト、１２……
流体通過孔、１４……プラグ嵌挿部、１６……ロ
ツクボール、１８……スリーブ、１８ｃ……テー
パ面、２０……断面四角形リング部、３１……プ
ラグ、３１ａ……プラグの先端部、３２……流体
通過孔、３４……ソケツトへの嵌挿部、３５……
ロツクボール係合溝、３５ａ……溝壁面、３５ｃ
……底面、３６……シールリング。 1 and 2 are quarter longitudinal side views of a fluid coupling in a separated state and a connected state, respectively, showing an embodiment of the invention, and FIG. 3a shows a fluid coupling shown in FIGS. 1 and 2. An enlarged longitudinal cross-sectional side view of a cylindrical valve body, FIG. 3b is taken from A-A in FIG. 3a.
A line sectional view, FIG. 4 is a partially enlarged sectional explanatory view of a locking mechanism of a conventional fluid coupling. 1...Fluid coupling, 11...Socket, 12...
Fluid passage hole, 14...Plug insertion part, 16...Lock ball, 18...Sleeve, 18c...Tapered surface, 20...Ring section with square cross section, 31...Plug, 31a...Plug tip, 32 ...Fluid passage hole, 34... Fitting part into socket, 35...
Lock ball engagement groove, 35a...Groove wall surface, 35c
...Bottom, 36...Seal ring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 流体通過孔を有しかつ当該流体通過孔と略同心
状態で連通するプラグの嵌挿部を有するソケツト
と、流体通過孔を有しかつ当該流体通過孔と略同
心状態のソケツトへの嵌挿部を有するプラグと、
前記ソケツトとプラグの接続時に両者を係止状態
とするためのスリーブおよびロツクボールと該ロ
ツクボールの係合溝とからなるロツク機構とを備
え、前記ソケツトとプラグの相互嵌挿により前記
ロツク機構を介して両者を接続・分離自在とした
流体継手において、ソケツトに設けた前記ロツク
機構の一部を構成するスリーブのプラグ側開口端
の内周面に当該ロツク機構のロツクボールを求心
方向に押圧するテーパ面をプラグ側に向けて口径
が漸次大きくなるように形成し、また、前記プラ
グに設けたロツクボール係合溝のソケツト寄りの
溝壁面のテーパ角度を、前記テーパ面によつて求
心方向に押圧されるロツクボール押圧力の分力が
ソケツトの奥部方向にプラグを積極的に進出させ
るのに適当な角度に形成すると共に、該ロツクボ
ール係合溝の深さを当該ソケツトとプラグとの接
続時にロツクボールが底面に接触しない寸法に設
定し、更に前記プラグの先端部外周には、ソケツ
トとの接続時に、ソケツト奥部に当接し、かつ、
温度上昇時に変形する金属製シールリングを嵌合
したことを特徴とする流体継手。 A socket having a plug insertion part that has a fluid passage hole and communicates with the fluid passage hole in a substantially concentric state, and a fitting part for the socket that has a fluid passage hole and is approximately concentric with the fluid passage hole. a plug having;
The socket and the plug are provided with a locking mechanism consisting of a sleeve, a locking ball, and an engagement groove of the locking ball for locking the socket and the plug when they are connected, and the socket and the plug are inserted into each other through the locking mechanism. In a fluid coupling in which the two can be freely connected and separated, a tapered surface that presses the lock ball of the lock mechanism in the centripetal direction is provided on the inner circumferential surface of the open end on the plug side of the sleeve that constitutes a part of the lock mechanism provided in the socket. The lock ball is formed so that its diameter gradually increases toward the plug side, and the taper angle of the groove wall surface near the socket of the lock ball engagement groove provided in the plug is pressed in the centripetal direction by the taper surface. The component of the pressing force is formed at an appropriate angle to actively advance the plug toward the inner part of the socket, and the depth of the lock ball engagement groove is adjusted so that the lock ball touches the bottom surface when the socket and plug are connected. The dimensions are set so that they do not come into contact, and the outer periphery of the tip of the plug is set such that it comes into contact with the deep part of the socket when connected to the socket, and
A fluid coupling characterized by fitting a metal seal ring that deforms when the temperature rises.