JPH01100987U - - Google Patents

Description

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

第１図から第３図は本考案にかかる配管継手の
一実施例を示し、第１図は雄形継手に雌形継手を
接続した状態を示す断面図、第２図は雄形継手の
断面図、第３図は雌形継手の断面図である。また
第４図は従来の配管継手を示す断面図である。 １……第１弁体、２……雄形継手、３……第２
弁体、４……雌形継手、４４……受入部、５……
係止機構、１０，３０……スプリング、Ｓ１，Ｓ
２……環状空室、２７，４７……Ｏリング（シー
ル材）、１５，３５……流路、１６，３６……連
通路。 Figures 1 to 3 show an embodiment of the piping joint according to the present invention. Figure 1 is a sectional view showing a female joint connected to a male joint, and Figure 2 is a cross-sectional view of the male joint. 3 are cross-sectional views of the female joint. Moreover, FIG. 4 is a sectional view showing a conventional piping joint. 1...First valve body, 2...Male joint, 3...Second
Valve body, 4...Female joint, 44...Receiving part, 5...
Locking mechanism, 10, 30... Spring, S1, S
2... Annular cavity, 27, 47... O ring (sealing material), 15, 35... Channel, 16, 36... Communication path.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１弁体１を内装した雄形継手２と、前記第１
弁体１に対向する第２弁体３を内装しかつ雄形継
手２を受け入れる受入部４４を備えた雌形継手４
とから成り、前記各継手２，４間に、前記受入部
４４に嵌合する雄形継手２を離脱可能に係止する
係止機構５を備えた配管継手であつて、前記各弁
体１，３の先端部に、前記各継手１，３の弁孔２
３，４３内周面と摺接する摺接部１２，３２を設
け、この摺接部１２，３２の後方外周面と前記弁
孔内周面との間に閉鎖された環状空室Ｓ１，Ｓ２
を設け、この空室Ｓ１，Ｓ２を前記摺接部１２，
３２に対接するシール材２７，４７により、前記
各弁体１，３の先端外周部に対し密閉して、前記
空室Ｓ１，Ｓ２に、前記各弁体１，３を前方に押
圧するスプリング１０，３０を内装すると共に、
前記各弁体１，３の中心部に、前後方向に延びる
流路１５，３５と、この流路１５，３５を先端外
周部に開放する連通路１６，３６とを設ける一方
、前記各継手２，４を弗素樹脂製とし、前記各弁
体１，３を四弗化エチレン樹脂製としたことを特
徴とする配管継手。 a male joint 2 having a first valve body 1 therein;
A female joint 4 that is equipped with a second valve body 3 facing the valve body 1 and has a receiving part 44 for receiving the male joint 2.
A piping joint comprising a locking mechanism 5 between each of the joints 2 and 4 that removably locks the male joint 2 that fits into the receiving portion 44, wherein each of the valve bodies 1 , 3, the valve hole 2 of each of the joints 1, 3
3, 43 Sliding portions 12, 32 that are in sliding contact with the inner circumferential surface are provided, and annular cavities S1, S2 are closed between the rear outer circumferential surface of the sliding portions 12, 32 and the inner circumferential surface of the valve hole.
are provided, and these empty spaces S1, S2 are connected to the sliding contact portions 12,
A spring 10 seals against the outer periphery of the distal end of each of the valve bodies 1 and 3 by means of sealing materials 27 and 47 that are in contact with the valve bodies 32, and presses each of the valve bodies 1 and 3 forward into the empty chambers S1 and S2. , 30, and
At the center of each of the valve bodies 1 and 3, flow passages 15 and 35 extending in the front-rear direction and communication passages 16 and 36 that open the flow passages 15 and 35 to the outer periphery of the tip are provided, while each of the joints 2 , 4 are made of fluororesin, and each of the valve bodies 1 and 3 is made of tetrafluoroethylene resin.