JPS6034862Y2 - pipe fittings - Google Patents

pipe fittings

Info

Publication number
JPS6034862Y2
JPS6034862Y2 JP6292681U JP6292681U JPS6034862Y2 JP S6034862 Y2 JPS6034862 Y2 JP S6034862Y2 JP 6292681 U JP6292681 U JP 6292681U JP 6292681 U JP6292681 U JP 6292681U JP S6034862 Y2 JPS6034862 Y2 JP S6034862Y2
Authority
JP
Japan
Prior art keywords
socket
plug
valve body
component
circumferential groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP6292681U
Other languages
Japanese (ja)
Other versions
JPS57174889U (en
Inventor
松夫 小林
俊雄 御器谷
Original Assignee
日東工器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日東工器株式会社 filed Critical 日東工器株式会社
Priority to JP6292681U priority Critical patent/JPS6034862Y2/en
Publication of JPS57174889U publication Critical patent/JPS57174889U/ja
Application granted granted Critical
Publication of JPS6034862Y2 publication Critical patent/JPS6034862Y2/en
Expired legal-status Critical Current

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  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、冷凍、冷房機器製造時の真空引きや耐圧テス
トの際に簡単な操作で確実に配管を結合できる管継手に
関し、特に、プラグと同一形状で同一構造の弁体内蔵の
部品をソケットの軸心部に設けたものである。
[Detailed description of the invention] [Field of industrial application] The present invention relates to a pipe joint that can reliably connect pipes with simple operations during vacuum evacuation and pressure tests during the manufacture of refrigeration and air-conditioning equipment. A part with a built-in valve body having the same shape and structure as the socket is installed in the axial center of the socket.

〔従来技術とその問題点〕[Prior art and its problems]

冷凍機器や冷房空調機器等における冷却器に冷却媒体で
あるフレオンガス等を充填する場合、冷媒供給源からの
パイプに上記冷却器のパイプを結合させた後にパイプの
内部を真空状態にして、そこに冷媒ガスを導入する真空
引きが行なわれる。
When filling a cooler in refrigeration equipment, cooling air conditioning equipment, etc. with Freon gas, etc., which is a cooling medium, after connecting the pipe of the cooler to the pipe from the refrigerant supply source, the inside of the pipe is made into a vacuum state, and then the inside of the pipe is vacuumed. Vacuuming is performed to introduce refrigerant gas.

こうした場合、配管同志を結合する管継手が用いられる
が、真空引き、或いは、冷却器の配管の耐圧テストに用
いるこの種の管継手には高い気密性と簡単な操作性が要
求される。
In such cases, pipe joints are used to connect the pipes together, but such pipe joints used for evacuation or pressure testing of cooler pipes are required to have high airtightness and easy operability.

従って、必然的に管継手を構成するソケットとプラグの
構造が複雑化し、その結果、生産性が悪くなり、コスト
も高くなるなどの欠点があった。
Therefore, the structure of the socket and plug that constitute the pipe joint inevitably becomes complicated, resulting in disadvantages such as poor productivity and high cost.

本考案は、冷凍機器、空調機器製造時に行なう真空引き
や配管の耐圧テストにおいて、優れた気密性、操作性を
有し、プラグと同一形状、同一構造の弁体内蔵部品をソ
ケットの軸心部に設けて、管継手としてのコストの低廉
化を図ることを目的とする。
This invention has excellent airtightness and operability in vacuum drawing and pressure tests of piping performed during the manufacture of refrigeration equipment and air conditioning equipment, and has the same shape and structure as the plug. The purpose is to reduce the cost of the pipe joint by installing it in the pipe joint.

〔問題点を解決するための手段〕[Means for solving problems]

本考案は、外周面部に円周溝を具え、流体通路内に弁体
を頭部を正面部に突出させて圧縮コイルばねで弾発させ
て設けたプラグと、当該プラグとの接続分離時に上記円
周溝と係合離脱する施錠ボールをソケット主筒体に設け
たテーパ孔に転勤可能に嵌合したソケットとからなる管
継手において、ソケットの流体通路の奥部に、上記プラ
グと同一形状、同一構造の弁体内蔵部品を配管との接続
部を外部に突出させて収容し、当該弁体内蔵部品の外周
面部の円周溝にソケット内部に介在させた係止環を係合
させて同部品をソケットと一体に結合したものである。
This invention provides a plug with a circumferential groove on its outer circumferential surface, a valve body in a fluid passage whose head protrudes from the front, and is resiliently activated by a compression coil spring. In a pipe joint comprising a circumferential groove and a socket in which a locking ball that engages and disengages is removably fitted into a tapered hole provided in the socket main cylinder, a plug having the same shape as the above-mentioned plug, A component with a built-in valve body of the same structure is housed with the connecting part to the piping protruding outside, and a locking ring interposed inside the socket is engaged with a circumferential groove on the outer peripheral surface of the component with a built-in valve body. The parts are integrated with the socket.

〔実施例〕〔Example〕

本考案の一実施例を図面に従って説明する。 An embodiment of the present invention will be described with reference to the drawings.

図面において、30はプラグであり、このプラグ30は
、配管P2を接続する接続部31と筒部32から戊り、
この筒部32の外周面部に円周溝33と突起34を形威
する。
In the drawing, 30 is a plug, and this plug 30 is cut out from the connecting part 31 and the cylindrical part 32 that connect the pipe P2,
A circumferential groove 33 and a protrusion 34 are formed on the outer peripheral surface of this cylindrical portion 32.

プラグ30の流体通路内に、弁体35を頭部を正面部に
突出させて圧縮コイルばね37で弾発させて設け、常態
にあっては、筒部32の先端開口を閉塞している。
A valve body 35 is provided in the fluid passage of the plug 30 with its head protruding toward the front and resiliently activated by a compression coil spring 37, and normally closes the opening at the tip of the cylindrical portion 32.

一方、1はソケットであり、このソケット1の流体通路
の奥部に、上記したプラグ30と同一形状で同一構造の
弁体内蔵部品20をソケット1と一体に結合する。
On the other hand, 1 is a socket, and a valve element built-in component 20 having the same shape and structure as the above-mentioned plug 30 is integrally connected to the socket 1 in the inner part of the fluid passage.

この部品20は、筒部22と、外部に突出させて収容し
た配管P□の接続部21とから戊る。
This component 20 is separated from a cylindrical portion 22 and a connecting portion 21 of a pipe P□ which is housed and protrudes to the outside.

この筒部22の外周面部には、円周溝23と突起27を
形成する。
A circumferential groove 23 and a protrusion 27 are formed on the outer peripheral surface of the cylindrical portion 22 .

この弁体内蔵部品20の流体通路内に、弁体25を頭部
を正面部に突出させて圧縮コイルばね24で弾発させて
設け、常態にあっては、筒部22の先端開口を閉塞して
いる。
A valve body 25 is provided in the fluid passage of this valve body built-in component 20 with its head protruding toward the front and resiliently activated by a compression coil spring 24, and in a normal state, the opening at the tip of the cylindrical portion 22 is closed. are doing.

弁体内蔵部品20の外周には、同部品20の円周溝23
に対応する位置に突起12を有した係止環11を設け、
この係止環11の突起12を円周溝23に係合させて同
部品20をソケット1と一体に結合する。
A circumferential groove 23 of the component 20 is provided on the outer periphery of the valve body built-in component 20.
A locking ring 11 having a protrusion 12 is provided at a position corresponding to the
The protrusion 12 of the locking ring 11 is engaged with the circumferential groove 23 to integrally connect the component 20 with the socket 1.

この係止環11は、ソケット主筒体4の一方端に固定さ
れている。
This locking ring 11 is fixed to one end of the socket main cylindrical body 4.

更に、ソケット主筒体4の外周には第1外筒2及びこれ
に螺合した第2外筒3とを設けており、ソケット1の外
殻を形成している。
Further, a first outer cylinder 2 and a second outer cylinder 3 screwed thereto are provided on the outer periphery of the socket main cylinder 4, forming an outer shell of the socket 1.

ソケット主筒体4の係止環11を設けた反対端近傍には
、軸心に向って小径になるテーパ一孔5を設け、このテ
ーパ一孔5の最小径より僅かに大きい施錠ボール6を収
めると共に、この部分の肉厚を施錠ボール6の直径より
小さく形威している。
Near the opposite end of the socket main cylinder 4 from which the locking ring 11 is provided, there is provided a tapered hole 5 whose diameter decreases toward the axis, and a locking ball 6 that is slightly larger than the minimum diameter of this tapered hole 5 is provided. At the same time, the wall thickness of this portion is made smaller than the diameter of the locking ball 6.

ソケット主筒体4のテーパ一孔5を設けた部分の外面に
摺接する施錠環7を設ける。
A locking ring 7 is provided which slides into contact with the outer surface of the portion of the socket main cylindrical body 4 where the tapered hole 5 is provided.

更に、ソケット主筒体4の外面と第1外筒2の間に、施
錠環7と並置して解錠環13を設けており、バネ14に
よって左方向に付勢し、常態では、第1外筒2に設けて
いる空気導入口15に連通している間隙16を閉塞して
いる。
Furthermore, an unlocking ring 13 is provided between the outer surface of the socket main cylinder body 4 and the first outer cylinder 2, juxtaposed with the locking ring 7, and is biased leftward by a spring 14. A gap 16 communicating with an air inlet 15 provided in the outer cylinder 2 is closed.

一方、ソケット主筒体4の内面にはバネ10によって右
方向に付勢されたスライド環9を設けており、施錠ボー
ル6を収めた穴5を内面から閉塞できるようになってい
る。
On the other hand, a slide ring 9 biased rightward by a spring 10 is provided on the inner surface of the socket main cylindrical body 4, so that the hole 5 containing the locking ball 6 can be closed from the inner surface.

次に上記実施例の作用を説明する。Next, the operation of the above embodiment will be explained.

弁体内蔵部品20は、プラグ30と同一形状で、同一構
造であるから、互換性を持ち、プラグ30をソケット1
の弁体内蔵部品20として用いる場合は、係止環11に
同部品を係合させてソケット1と一体に結合できる。
The valve element built-in component 20 has the same shape and structure as the plug 30, so it is compatible with the plug 30 and the socket 1.
When used as a component 20 with a built-in valve body, the component can be engaged with the locking ring 11 and integrally connected to the socket 1.

上記の状態において、ソケット1にプラグ30を接続す
る場合について説明すると、第1図のソケット1に上記
構成のプラグ30を嵌入させると、先ず、筒部32に設
けた突起34がソケット1のスライド環9に当接し、更
に、プラグ30を押し進めるとスライド環9は後退して
、ソケット主筒体4のテーパ一孔5が内周面側で開放す
る。
To explain the case of connecting the plug 30 to the socket 1 in the above state, when the plug 30 having the above configuration is inserted into the socket 1 shown in FIG. When the plug 30 comes into contact with the ring 9 and the plug 30 is further pushed forward, the slide ring 9 retreats and the tapered hole 5 of the socket main cylinder 4 opens on the inner peripheral surface side.

その結果、施錠ボール6が、図において左方向に付勢さ
れている施錠環7によって、軸心方向に押圧され、プラ
グ30がソケット1に完全に嵌入した時ボール6はプラ
グ30の外周溝33に落ち込む。
As a result, the locking ball 6 is pressed in the axial direction by the locking ring 7 which is biased leftward in the figure, and when the plug 30 is completely fitted into the socket 1, the ball 6 is pushed into the outer circumferential groove 33 of the plug 30. I feel depressed.

これと同時に、施錠環7は、ボール6による妨げがなく
なり第2図のように左方向に摺動しテーパ一孔5の外周
面側を閉塞し、ボール6がプラグ30の円周溝33に係
止してソケット1とプラグ30は確実に結合する。
At the same time, the locking ring 7 is no longer obstructed by the ball 6 and slides to the left as shown in FIG. By locking, the socket 1 and the plug 30 are reliably connected.

ソケットの施錠環7を右方向に移動して施錠ボール6の
動きを自由にしない限り両部材の分離は不可能となる。
The two members cannot be separated unless the locking ring 7 of the socket is moved to the right to free the movement of the locking ball 6.

そこで、ソケット1の施錠環7の右方向に押し返えして
施錠ボール6の動きを自由にするために、ソケット1の
第1外筒2に設けた空気導入口15から間隙16を介し
て圧力空気等を解錠環13の左端面に加えると、解錠環
13は施錠環7を右方向へ押しやって施錠ボール6の動
きを自由にする。
Therefore, in order to push back the locking ring 7 of the socket 1 to the right and free the movement of the locking ball 6, an air inlet 15 provided in the first outer cylinder 2 of the socket 1 is inserted through a gap 16. When pressurized air or the like is applied to the left end surface of the unlocking ring 13, the unlocking ring 13 pushes the locking ring 7 to the right, thereby freeing the movement of the locking ball 6.

圧力空気を送り続けた状態のままで、ソケット1からプ
ラグ30を引き抜くと容易に両部材の分離を行なうこと
ができ、この時、ソケット1のスライド環9は右方向に
移動し施錠ボール6を収めたテーパ一孔5を内面から閉
塞して、第1図の状態に復帰する。
Both components can be easily separated by pulling out the plug 30 from the socket 1 while continuing to supply pressurized air. At this time, the slide ring 9 of the socket 1 moves to the right and locks the locking ball 6. The accommodated tapered hole 5 is closed from the inner surface, and the state shown in FIG. 1 is restored.

また、第2図に示すソケット1とプラグ30の結合時に
は、夫々の内部に設けた弁体25.35が対向する先端
同志を押し合って後退するため、両弁体25.35は夫
々が対向している弁座26,36との間に間隙を形威し
、ソケット1とブルグ30は導通する。
Furthermore, when the socket 1 and the plug 30 shown in FIG. A gap is formed between the valve seats 26 and 36, and the socket 1 and the valve 30 are electrically connected.

この場合、ソケット1とプラグ30を夫々にパイプP、
とP2に接続しておけば、両パイプ間の流体の流路を形
成することができる。
In this case, the socket 1 and the plug 30 are connected to the pipe P,
If connected to P2 and P2, a fluid flow path can be formed between both pipes.

〔考案の効果〕[Effect of idea]

以上のことから明らかなように、本考案は、ソケット1
の流体通路の奥部にプラグ30と同一形状で、同一構造
の弁体内蔵部品20を配管P2との接続部21を外部に
突出させて収容し、同部品の外周面部の円周溝23にソ
ケット1の内部に介在させた係止環11を係合させて同
部品20をソケット1と一体に結合したから、プラグと
ソケット1の弁体内蔵部品20とは、互換性を持ち、管
継手の部品製造において部品点数を削減することができ
生産性が向上し、製品コストを引き下げることができる
As is clear from the above, the present invention is based on the socket 1.
A component 20 with a built-in valve body, which has the same shape and structure as the plug 30, is housed in the deep part of the fluid passage with the connecting part 21 to the pipe P2 protruding outside, and is inserted into the circumferential groove 23 on the outer peripheral surface of the component. Since the locking ring 11 interposed inside the socket 1 is engaged and the component 20 is integrally connected to the socket 1, the plug and the valve body built-in component 20 of the socket 1 are compatible and can be used as pipe joints. The number of parts can be reduced in the production of parts, improving productivity and lowering product costs.

またソケットとプラグの双方に弁体を設けているため、
冷凍機器等の真空引きや耐圧テストにも適した高い気密
性をもたらすと共に、ソケットとプラグの接続を簡単に
行なえる効果がある。
In addition, since a valve body is provided on both the socket and plug,
It provides high airtightness suitable for vacuuming and pressure testing of refrigeration equipment, etc., and also allows easy connection of sockets and plugs.

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

第1図は本考案の一実施例である管継手のソケット、プ
ラグの分離状態を示す半裁断側面図、第2図は同上の結
合状態を示す一部欠截側面図である。 1・・・・・・ソケット、4・・・・・・ソケット主筒
体、5・・・・・・テーパ一孔、6・・・・・・施錠ボ
ール、11・・・・・・係止環、20・・・・・・弁体
内蔵部品、21・・・・・・接続部、23・・・・・・
円周溝、24・・・・・・圧縮コイルばね、25・・・
・・・弁体、30・・・・・・プラグ、33・・・・・
・円周溝、35・・・・・・弁体、37・・・・・・圧
縮コイルばね。
FIG. 1 is a half-cut side view showing a separated state of a socket and a plug of a pipe joint according to an embodiment of the present invention, and FIG. 2 is a partially cutaway side view showing the same in a connected state. 1...Socket, 4...Socket main cylinder, 5...Tapered hole, 6...Lock ball, 11...Register Stop ring, 20...Valve body built-in part, 21...Connection part, 23...
Circumferential groove, 24... Compression coil spring, 25...
...Valve body, 30...Plug, 33...
- Circumferential groove, 35... Valve body, 37... Compression coil spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外周面部に円周溝を具え、流体通路内に弁体を頭部を正
面部に突出させて圧縮コイルばねで弾発させて設けたプ
ラグと、当該プラグとの接続分離時に上記円周溝と係合
離脱する施錠ボールをソケット主筒体に設けたテーパ孔
に転勤可能に嵌合したソケットとからなる管継手におい
て、ソケットの流体通路の奥部に、上記プラグと同一形
状、同一構造の弁体内蔵部品を配管との接続部を外部に
突出させて収容し、当該弁体内蔵部品の外周面部の円周
溝にソケット内部に介在させた係止環を係合させて同部
品をソケットと一体に結合した管継手。
A plug is provided with a circumferential groove on its outer circumferential surface, and a valve body is provided in a fluid passage with its head protruding from the front side and resiliently activated by a compression coil spring. In a pipe joint consisting of a socket in which a locking ball that engages and disengages is removably fitted into a tapered hole provided in the socket main cylinder, a valve having the same shape and structure as the above-mentioned plug is installed in the deep part of the fluid passage of the socket. A component built into the body is housed with the connecting part to the piping protruding outside, and a locking ring interposed inside the socket is engaged with a circumferential groove on the outer peripheral surface of the component built into the valve body, so that the component can be used as a socket. Pipe fittings joined together in one piece.
JP6292681U 1981-04-30 1981-04-30 pipe fittings Expired JPS6034862Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6292681U JPS6034862Y2 (en) 1981-04-30 1981-04-30 pipe fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6292681U JPS6034862Y2 (en) 1981-04-30 1981-04-30 pipe fittings

Publications (2)

Publication Number Publication Date
JPS57174889U JPS57174889U (en) 1982-11-04
JPS6034862Y2 true JPS6034862Y2 (en) 1985-10-17

Family

ID=29859071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6292681U Expired JPS6034862Y2 (en) 1981-04-30 1981-04-30 pipe fittings

Country Status (1)

Country Link
JP (1) JPS6034862Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112018007714T5 (en) * 2018-07-02 2021-03-11 Olympus Corporation Endoscope reprocessors

Also Published As

Publication number Publication date
JPS57174889U (en) 1982-11-04

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