JP4890128B2 - Drain trap - Google Patents

Drain trap Download PDF

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Publication number
JP4890128B2
JP4890128B2 JP2006194496A JP2006194496A JP4890128B2 JP 4890128 B2 JP4890128 B2 JP 4890128B2 JP 2006194496 A JP2006194496 A JP 2006194496A JP 2006194496 A JP2006194496 A JP 2006194496A JP 4890128 B2 JP4890128 B2 JP 4890128B2
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Prior art keywords
discharge passage
valve
valve seat
foreign matter
outlet
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JP2006194496A
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JP2008020045A (en
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正 小池
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TLV Co Ltd
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TLV Co Ltd
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Description

本発明は、蒸気や圧縮空気やガス配管系に発生するドレンを自動的に排出するドレントラップに関し、特に弁部材が離着座して開閉する弁座部材の排出通路に付着した流体中の異物を掃除できるものに関する。   TECHNICAL FIELD The present invention relates to a drain trap that automatically discharges steam, compressed air, and drain generated in a gas piping system, and in particular, removes foreign matters in a fluid adhering to a discharge passage of a valve seat member that opens and closes when the valve member is seated. It relates to things that can be cleaned.

従来のドレントラップは、弁ケーシングで入口と弁室と出口を形成し、弁室を出口側に連通する排出通路を有する弁座部材を設け、弁室内に弁座部材に離着座して排出通路を開閉する弁部材を配置し、外部から進退操作可能な操作部材を排出通路内に弁ケーシングを貫通して配置し、操作部材を進退せしめて弁座部材の排出通路に付着した異物を掃除するものである。   A conventional drain trap is provided with a valve seat member having a discharge passage that forms an inlet, a valve chamber, and an outlet in a valve casing, and communicates the valve chamber to the outlet side. A valve member that opens and closes the valve member, an operation member that can be moved forward and backward from the outside is disposed through the valve casing in the discharge passage, and the operation member is moved forward and backward to clean foreign matter adhering to the discharge passage of the valve seat member. Is.

上記従来のドレントラップは、操作部材が弁座部材の排出通路内を直線運動して排出通路に付着した異物を掃除するものであるので、操作部材の外径よりも外側の排出通路の内面に付着した異物を掃除できない問題点があった。
実公昭４９−３６７４７号公報 In the above-described conventional drain trap, the operation member linearly moves in the discharge passage of the valve seat member to clean the foreign matter adhering to the discharge passage, so that the operation member is disposed on the inner surface of the discharge passage outside the outer diameter of the operation member. There was a problem that the adhered foreign matter could not be cleaned.
Japanese Utility Model Publication No. 49-36747

解決しようとする課題は、操作部材の外径よりも外側の排出通路の内面に付着した異物を掃除できるようにすることである。   The problem to be solved is to be able to clean the foreign matter adhering to the inner surface of the discharge passage outside the outer diameter of the operation member.

本発明は、弁ケーシングで入口と弁室と出口を形成し、弁室を出口側に連通する排出通路を有する弁座部材を設け、弁室内に弁座部材に離着座して排出通路を開閉する弁部材を配置し、外部から進退操作可能な操作部材を排出通路内に弁ケーシングを貫通して配置し、操作部材を進退せしめて弁座部材の排出通路に付着した異物を掃除するものにおいて、操作部材は、外部から排出通路の軸方向に回転せずに直線運動する後方部材と、後方部材とは別部材で形成され後方部材の直線運動を回転運動に変換して排出通路を回転しながら排出通路の軸方向に進退して弁座部材の排出通路に付着した異物を掃除する前方部材と、を有することを特徴とする。 The present invention provides a valve seat member having a discharge passage that forms an inlet, a valve chamber, and an outlet in a valve casing, and communicates the valve chamber to the outlet side, and opens and closes the discharge passage by seating on the valve seat member. In order to clean the foreign matter adhering to the discharge passage of the valve seat member by disposing the operation member that can be moved forward and backward from the outside through the valve casing in the discharge passage and moving the operation member forward and backward The operation member is formed by a rear member that linearly moves without rotating in the axial direction of the discharge passage from the outside and a member separate from the rear member, and converts the linear motion of the rear member into a rotational motion to rotate the discharge passage. And a front member for cleaning foreign matter adhering to the discharge passage of the valve seat member by moving back and forth in the axial direction of the discharge passage.

本発明は、排出通路を回転しながら排出通路の軸方向に進退する前方部材が前方部材の外径よりも外側の排出通路の内面に付着した異物を剥ぎ取ることにより掃除するので、操作部材の外径よりも外側の排出通路の内面に付着した異物を掃除できるという優れた効果を生じる。   According to the present invention, the front member that advances and retreats in the axial direction of the discharge passage while rotating the discharge passage is cleaned by removing foreign matter attached to the inner surface of the discharge passage outside the outer diameter of the front member. The excellent effect that the foreign matter adhering to the inner surface of the discharge passage outside the outer diameter can be cleaned is produced.

本発明のドレントラップは、外部から進退操作可能な操作部材を排出通路内に弁ケーシングを貫通して配置し、操作部材を進退せしめて弁座部材の排出通路内面に付着した異物を掃除するものにおいて、操作部材は、外部から排出通路の軸方向に回転せずに直線運動する後方部材と、後方部材とは別部材で形成され後方部材の直線運動を回転運動に変換して排出通路を回転しながら排出通路の軸方向に進退して弁座部材の排出通路内面に付着した異物を掃除する前方部材と、を有するものである。そのため、排出通路を回転しながら排出通路の軸方向に進退する前方部材が前方部材の外径よりも外側の排出通路の内面に付着した異物を剥ぎ取ることにより掃除する。そのため、操作部材の外径よりも外側の排出通路の内面に付着した異物を掃除できる。 In the drain trap of the present invention, an operation member that can be operated forward and backward from the outside is disposed through the valve casing in the discharge passage, and the operation member is moved forward and backward to clean foreign matter adhering to the inner surface of the discharge passage of the valve seat member. , The operating member is formed of a rear member that linearly moves without rotating in the axial direction of the discharge passage from the outside and a member separate from the rear member, and the linear movement of the rear member is converted into a rotational motion to rotate the discharge passage. And a front member that cleans foreign matter adhering to the inner surface of the discharge passage of the valve seat member by moving back and forth in the axial direction of the discharge passage. Therefore, the front member that advances and retreats in the axial direction of the discharge passage while rotating the discharge passage is cleaned by peeling off the foreign matter adhering to the inner surface of the discharge passage outside the outer diameter of the front member. Therefore, the foreign matter adhering to the inner surface of the discharge passage outside the outer diameter of the operation member can be cleaned.

上記の技術的手段の具体例を示す実施例を説明する（図１参照）。本体１に蓋２をボルト３で締結して弁ケーシング形成し、内部に弁室４を形成する。本体１は入口５と出口通路６と出口７を有し、入口５は弁室４の上部に連通する。入口５と出口７は同一軸上に形成する。弁室４の下部の蓋２に排出通路８を開けた弁座部材９をねじ結合する。排出通路８は弁室４側端の小径の先端部８ａと、先端部８ａの下流の下流に向かって径の拡がったテーパー部８ｂと、テーパー部８ｂの下流の大径の後端部８ｃから成る。蓋２は出口通路１０を有し、弁室４の下部は排出通路８から出口通路１０，６を介して出口７に連通する。弁室４内に弁座部材９の弁室側端面９ａに離着座して排出通路８を開閉する中空球形のフロート１１を自由状態で配置する。フロート１１が排出通路８を閉じた位置で当接するフロート座１２をフロート１１の下方に、図面の手前側と向う側に２つ設ける。   An embodiment showing a specific example of the above technical means will be described (see FIG. 1). A lid 2 is fastened to the main body 1 with bolts 3 to form a valve casing, and a valve chamber 4 is formed inside. The main body 1 has an inlet 5, an outlet passage 6 and an outlet 7, and the inlet 5 communicates with the upper portion of the valve chamber 4. The inlet 5 and the outlet 7 are formed on the same axis. A valve seat member 9 having a discharge passage 8 is screwed to the lid 2 at the bottom of the valve chamber 4. The discharge passage 8 includes a small-diameter leading end portion 8a at the end of the valve chamber 4, a tapered portion 8b having a diameter increasing toward the downstream downstream of the leading end portion 8a, and a large-diameter rear end portion 8c downstream of the tapered portion 8b. Become. The lid 2 has an outlet passage 10, and the lower portion of the valve chamber 4 communicates from the discharge passage 8 to the outlet 7 through the outlet passages 10 and 6. A hollow spherical float 11 that opens and closes the discharge passage 8 by being seated on the valve chamber side end surface 9a of the valve seat member 9 is disposed in the valve chamber 4 in a free state. Two float seats 12 with which the float 11 abuts at the position where the discharge passage 8 is closed are provided below the float 11 on the side facing the front side of the drawing.

蓋２に弁座部材９と同一軸上にプラグ１３をねじ結合する。プラグ１３を貫通して操作部材１４を配置する。操作部材１４はプラグ１３を貫通して外部から排出通路８の軸方向に直線運動する後方部材１４ｂと、後方部材１４ｂの直線運動を回転運動に変換するボールネジ部１４ｃを有し排出通路８を回転しながら排出通路８の軸方向に進退する前方部材１４ａとから構成する。前方部材１４ａは排出通路８の先端部８ａの下流に位置する先端部１４ｄが前進により弁室４内に突出してフロート１１を弁座部材９から離座させて排出通路８を開く。ボールネジ部１４ｃは前方部材１４ａの後端部の外周面に形成した螺旋溝と、プラグ１３の先端側の内周面に前方部材１４ａの螺旋溝に対向して形成した螺旋溝とを複数個のボールを介して螺合させたものである。前方部材１４ａと後方部材１４ｂの間にボール１５を配置すると共に、後方部材１４ｂを後退させるコイルバネ１６を配置する。弁座部材９と前方部材１４ａの間に前方部材１４ａを後退させるコイルバネ１７を配置する。後方部材１４ｂを押して前進させると、前方部材１４ａが排出通路８を回転しながら排出通路８の軸方向に前進し、先端部１４ｄで排出通路８の先端部８ａの内面に付着した異物を剥ぎ取りながら掃除する。   A plug 13 is screwed to the lid 2 on the same axis as the valve seat member 9. An operation member 14 is disposed through the plug 13. The operating member 14 has a rear member 14b that passes through the plug 13 and linearly moves in the axial direction of the discharge passage 8 from the outside, and a ball screw portion 14c that converts the linear movement of the rear member 14b into rotational movement, and rotates the discharge passage 8. However, the front member 14a moves forward and backward in the axial direction of the discharge passage 8. The front member 14a projects into the valve chamber 4 when the front end portion 14d located downstream of the front end portion 8a of the discharge passage 8 moves forward to separate the float 11 from the valve seat member 9, thereby opening the discharge passage 8. The ball screw portion 14c includes a plurality of spiral grooves formed on the outer peripheral surface of the rear end portion of the front member 14a and spiral grooves formed on the inner peripheral surface on the distal end side of the plug 13 so as to face the spiral groove of the front member 14a. Screwed through a ball. A ball 15 is disposed between the front member 14a and the rear member 14b, and a coil spring 16 for retracting the rear member 14b is disposed. A coil spring 17 is disposed between the valve seat member 9 and the front member 14a to retract the front member 14a. When the rear member 14b is pushed and advanced, the front member 14a moves forward in the axial direction of the discharge passage 8 while rotating the discharge passage 8, and the tip portion 14d strips off the foreign matter adhering to the inner surface of the tip portion 8a of the discharge passage 8. While cleaning.

入口５から流入したドレンは弁室４内に溜り、液面に応じてフロート１１が浮上降下して弁座部材９に離着座して排出通路８を開閉する。排出通路８が開けられると弁室４内のドレンが排出通路８、出口通路６，１０を通して出口７に排出され、排出通路８が閉じられると弁室４内の気体の漏出が防止される。   Drain flowing in from the inlet 5 accumulates in the valve chamber 4, and the float 11 rises and falls according to the liquid level and is seated on and off the valve seat member 9 to open and close the discharge passage 8. When the discharge passage 8 is opened, drain in the valve chamber 4 is discharged to the outlet 7 through the discharge passage 8 and the outlet passages 6 and 10, and when the discharge passage 8 is closed, leakage of gas in the valve chamber 4 is prevented.

弁座部材９の排出通路８の先端部８ａ内面に付着した異物を掃除する場合、後方部材１４ｂを押して前進させる。これにより、前方部材１４ａが排出通路８を回転しながら排出通路８の軸方向に前進し、先端部１４ｄで排出通路８の先端部８ａの内面に付着した異物を剥ぎ取りながら掃除する。後方部材１４ｂから手を離すと、後方部材１４ｂがコイルバネ１６により後退すると共に、前方部材１４ａがコイルバネ１７により後退する。   When cleaning the foreign matter adhering to the inner surface of the distal end portion 8a of the discharge passage 8 of the valve seat member 9, the rear member 14b is pushed and advanced. As a result, the front member 14a advances in the axial direction of the discharge passage 8 while rotating the discharge passage 8, and the front member 14a is cleaned while peeling off the foreign matter adhering to the inner surface of the front end portion 8a of the discharge passage 8 at the front end portion 14d. When the hand is released from the rear member 14 b, the rear member 14 b is retracted by the coil spring 16 and the front member 14 a is retracted by the coil spring 17.

本発明のフロート式ドレントラップの断面図。Sectional drawing of the float type drain trap of this invention.

符号の説明Explanation of symbols

１ 本体
２ 蓋
４ 弁室
５ 入口
６，１０ 出口通路
７ 出口
８ 排出通路
８ａ 排出通路の先端部
９ 弁座部材
９ａ 弁座部材の弁室側端面
１１ フロート
１３ プラグ
１４ 操作部材
１４ａ 前方部材
１４ｂ 後方部材
１４ｃ ボールネジ部
１４ｄ 操作部材の先端部
DESCRIPTION OF SYMBOLS 1 Main body 2 Lid 4 Valve chamber 5 Inlet 6,10 Outlet passage 7 Outlet 8 Outlet passage 8a Discharge passage tip 9 Valve seat member 9a Valve seat side end surface 11 of valve seat member Float 13 Plug 14 Operation member 14a Front member 14b Back Member 14c Ball screw part 14d Tip of operation member

Claims (1)

弁ケーシングで入口と弁室と出口を形成し、弁室を出口側に連通する排出通路を有する弁座部材を設け、弁室内に弁座部材に離着座して排出通路を開閉する弁部材を配置し、外部から進退操作可能な操作部材を排出通路内に弁ケーシングを貫通して配置し、操作部材を進退せしめて弁座部材の排出通路に付着した異物を掃除するものにおいて、操作部材は、外部から排出通路の軸方向に回転せずに直線運動する後方部材と、後方部材とは別部材で形成され後方部材の直線運動を回転運動に変換して排出通路を回転しながら排出通路の軸方向に進退して弁座部材の排出通路に付着した異物を掃除する前方部材と、を有することを特徴とするドレントラップ。 A valve seat member having a discharge passage that forms an inlet, a valve chamber, and an outlet in the valve casing, and that communicates the valve chamber with the outlet side is provided, and a valve member that opens and closes the discharge passage by being seated in and out of the valve seat member. An operation member that is disposed and can be operated forward and backward from the outside is disposed through the valve casing in the discharge passage, and the operation member is advanced and retracted to clean foreign matter adhering to the discharge passage of the valve seat member. A rear member that linearly moves without rotating in the axial direction of the discharge passage from the outside, and a member that is separate from the rear member, and that converts the linear motion of the rear member into a rotational motion and rotates the discharge passage while rotating the discharge passage. And a front member for cleaning foreign matter adhering to the discharge passage of the valve seat member by moving back and forth in the axial direction.
JP2006194496A 2006-07-14 2006-07-14 Drain trap Expired - Fee Related JP4890128B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006194496A JP4890128B2 (en) 2006-07-14 2006-07-14 Drain trap

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Application Number Priority Date Filing Date Title
JP2006194496A JP4890128B2 (en) 2006-07-14 2006-07-14 Drain trap

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JP2008020045A JP2008020045A (en) 2008-01-31
JP4890128B2 true JP4890128B2 (en) 2012-03-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101949491A (en) * 2010-09-21 2011-01-19 上海奉洪阀门有限公司 Free floating-ball type drain valve
JP2014134266A (en) * 2013-01-11 2014-07-24 Tlv Co Ltd Float type drain trap

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936747Y1 (en) * 1970-06-02 1974-10-07
JPS604370A (en) * 1983-06-22 1985-01-10 Fuji Xerox Co Ltd Picture information recording device
IT1186428B (en) * 1985-12-12 1987-11-26 Tetra Dev Co VALVE FOR CONTROL AND INTERCEPTION OF FLOWS, CONTAINING PARTICLES
JP3063853B2 (en) * 1990-07-17 2000-07-12 松下電器産業株式会社 High frequency heating equipment
JP2981138B2 (en) * 1994-02-02 1999-11-22 株式会社アマダメトレックス Device for converting linear motion into rotary motion and rotary tool device for press machine using the device
JP4271531B2 (en) * 2003-08-12 2009-06-03 株式会社テイエルブイ Float type drain trap
JP4470457B2 (en) * 2003-11-07 2010-06-02 株式会社テイエルブイ Temperature-responsive valve
JP4388347B2 (en) * 2003-11-13 2009-12-24 株式会社ミヤワキ Temperature sensitive valve

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