JP6383283B2 - Butterfly open / close valve - Google Patents

Butterfly open / close valve Download PDF

Info

Publication number
JP6383283B2
JP6383283B2 JP2014255674A JP2014255674A JP6383283B2 JP 6383283 B2 JP6383283 B2 JP 6383283B2 JP 2014255674 A JP2014255674 A JP 2014255674A JP 2014255674 A JP2014255674 A JP 2014255674A JP 6383283 B2 JP6383283 B2 JP 6383283B2
Authority
JP
Japan
Prior art keywords
groove
housing
annular groove
heat medium
introduction
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 - Fee Related
Application number
JP2014255674A
Other languages
Japanese (ja)
Other versions
JP2016114223A (en
Inventor
口 嘉 教 谷
口 嘉 教 谷
Original Assignee
株式会社フジ・テクノロジー
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 株式会社フジ・テクノロジー filed Critical 株式会社フジ・テクノロジー
Priority to JP2014255674A priority Critical patent/JP6383283B2/en
Publication of JP2016114223A publication Critical patent/JP2016114223A/en
Application granted granted Critical
Publication of JP6383283B2 publication Critical patent/JP6383283B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lift Valve (AREA)
  • Details Of Valves (AREA)

Description

本発明は、バタフライ開閉弁に係り、特に、ハウジング又は円盤状弁体の略全体に亘って加熱又は冷却することができるバタフライ開閉弁に関する。     The present invention relates to a butterfly on / off valve, and more particularly to a butterfly on / off valve that can be heated or cooled over substantially the whole of a housing or a disc-like valve body.

従来、流通路を開閉する円盤状弁体を有するバタフライ開閉弁が知られている（特許文献１参照）。
このバタフライ開閉弁においては、下部軸受部の外周に加熱管を設け、バタフライ開閉弁の下部軸受部の近傍を加熱している。 Conventionally, a butterfly on-off valve having a disc-like valve body for opening and closing a flow passage is known (see Patent Document 1).
In this butterfly on / off valve, a heating pipe is provided on the outer periphery of the lower bearing portion to heat the vicinity of the lower bearing portion of the butterfly on / off valve.

実開昭６２−１１２３８１号公報Japanese Utility Model Publication No. 62-112381

ところが、上記バタフライ開閉弁にあっては、加熱管による熱がバタフライ開閉弁の下部軸受部の近傍のみで加熱箇所が局所であるため、例えば、バタフライ開閉弁のハウジングの内壁面を加熱することにより、流通路の内壁面に異物が付着するのを防ぐことができるものに適用できないという問題点が生じた。     However, in the above-mentioned butterfly on / off valve, the heat from the heating pipe is only in the vicinity of the lower bearing portion of the butterfly on / off valve, and the heating location is local. There is a problem in that it cannot be applied to a material that can prevent foreign matter from adhering to the inner wall surface of the flow passage.

本発明は、上記の問題点を考慮してなされたバタフライ開閉弁を提供することを目的とする。     An object of this invention is to provide the butterfly on-off valve made | formed in consideration of said problem.

請求項１記載のバタフライ開閉弁は、ハウジング内に設けられた流通路を開閉する円盤状弁体を有するバタフライ開閉弁であって、前記ハウジングの両端面の内の一方の端面であって、前記ハウジングの外周より内周に近い側であって、前記内周に沿って設けられた溝である一方の環状溝と、前記ハウジングの外周から前記一方の環状溝に導く溝である第１の一方導入溝と、前記一方の環状溝から前記ハウジングの外周へ導く溝である第２の一方導入溝と、前記ハウジングの両端面の内の他方の端面であって、前記ハウジングの外周より内周に近い側であって、前記内周に沿って設けられた溝である他方の環状溝と、前記ハウジングの外周から前記他方の環状溝に導く溝である第１の他方導入溝と、前記他方の環状溝から前記ハウジングの外周へ導く溝である第２の他方導入溝とを備え、熱媒体通路は前記第１の一方導入溝、前記一方の環状溝、前記第２の一方導入溝、前記第１の他方の導入溝、前記他方の環状溝、前記第２の他方導入溝に設けられ、前記ハウジングの冷却又は加温のために、前記熱媒体通路に冷却媒体又は加温媒体を流すものである。 The butterfly on-off valve according to claim 1 is a butterfly on-off valve having a disc-like valve body that opens and closes a flow passage provided in the housing, and is one end face of both end faces of the housing, One annular groove that is closer to the inner periphery than the outer periphery of the housing and is provided along the inner periphery, and a first one that is a groove that leads from the outer periphery of the housing to the one annular groove An introduction groove, a second one introduction groove that is a groove that leads from the one annular groove to the outer periphery of the housing, and the other end face of the both end faces of the housing, the inner end being closer to the inner periphery than the outer periphery of the housing The other annular groove which is a near side and is a groove provided along the inner periphery, a first other introduction groove which is a groove leading from the outer periphery of the housing to the other annular groove, and the other Outside the housing from the annular groove A second other introduction groove which is a groove leading to the heat medium passage, the heat medium passage is the first one introduction groove, the one annular groove, the second one introduction groove, the first other introduction groove, Provided in the other annular groove and the second other introduction groove, the cooling medium or the heating medium is caused to flow through the heat medium passage for cooling or heating the housing.

また、請求項２記載のバタフライ開閉弁は、請求項１記載のバタフライ開閉弁におい
て、第１の一方導入溝、一方の環状溝、第２の一方導入溝に設けられた熱媒体通路は、ハ
ウジングの一方の端面から突出しないように位置し、第１の他方導入溝、他方の環状溝、
第２の他方導入溝に設けられた熱媒体通路は、前記ハウジングの他方の端面から突出しな
いように位置しているものである。 The butterfly on-off valve according to claim 2 is the butterfly on-off valve according to claim 1 , wherein the heat medium passage provided in the first one introduction groove, the one annular groove, and the second one introduction groove is a housing. The first other introduction groove, the other annular groove,
The heat medium passage provided in the second other introduction groove is located so as not to protrude from the other end face of the housing.

請求項１記載のバタフライ開閉弁によれば、熱媒体通路を第１の一方導入溝、一方の環状溝、第２の一方導入溝、第１の他方の導入溝、他方の環状溝、第２の他方導入溝に設け、熱媒体通路に低温又は高温の熱媒体を流して、ハウジングの一方の面のみならず、他方の面、つまり、ハウジングの両端面を簡易な手段により冷却又は加温することができ、しかも、一方の環状溝及び他方の環状溝は、ハウジングの外周より内周に近い側に位置しているため、ハウジングの内壁面又は円盤状弁体に効率良く熱を伝えることができる
。
例えば、ハウジングの内壁面を加熱することにより、ハウジング内に設けられた流通
路の内壁面に異物が付着するのを防ぐことができる。また、円盤状弁体を冷却することに
より、円盤状弁体の外周に取り付けたシール部材の劣化を防ぐことができる。 According to the butterfly on / off valve according to claim 1 , the heat medium passage is provided with the first one introduction groove, the one annular groove, the second one introduction groove, the first other introduction groove, the other annular groove, The other introduction groove is provided, and a low-temperature or high-temperature heat medium is allowed to flow through the heat medium passage to cool or heat not only one surface of the housing but also the other surface, that is, both end surfaces of the housing by simple means. In addition, since one annular groove and the other annular groove are located closer to the inner periphery than the outer periphery of the housing, heat can be efficiently transferred to the inner wall surface of the housing or the disc-shaped valve body. it can.
For example, by heating the inner wall surface of the housing, it is possible to prevent foreign matter from adhering to the inner wall surface of the flow passage provided in the housing. Moreover, deterioration of the sealing member attached to the outer periphery of the disc-shaped valve body can be prevented by cooling the disc-shaped valve body.

また、請求項２記載のバタフライ開閉弁によれば、上述した請求項１記載の発明の効果に加え、第１の一方導入溝、一方の環状溝、第２の一方導入溝に設けられた熱媒体通路は、ハウジングの一方の端面から突出しないように位置し、
第１の他方導入溝、他方の環状溝、第２の他方導入溝に設けられた熱媒体通路は、ハ
ウジングの他方の端面から突出しないように位置しているため、バタフライ開閉弁を流体
通路に接続する際、熱媒体通路が支障とならず、流体通路にバタフライ開閉弁を設置する
ことができる。 According to the butterfly on / off valve of claim 2 , in addition to the effect of the invention of claim 1 , the heat provided in the first one introduction groove, the one annular groove, and the second one introduction groove. The medium passage is located so as not to protrude from one end face of the housing,
Since the heat medium passages provided in the first other introduction groove, the other annular groove, and the second other introduction groove are positioned so as not to protrude from the other end surface of the housing, the butterfly on / off valve is used as the fluid passage. When connecting, the heat medium passage does not hinder, and a butterfly on-off valve can be installed in the fluid passage.

図１は、本発明の一実施例のバタフライ開閉弁を通路の途中に取り付けた状態の概略的図である。FIG. 1 is a schematic view of a state in which a butterfly on / off valve according to an embodiment of the present invention is attached in the middle of a passage. 図２は、図１のバタフライ開閉弁が開いた状態の概略的図である。FIG. 2 is a schematic view showing a state where the butterfly on / off valve of FIG. 1 is opened. 図３は、図２の円盤状弁体を閉じる方向に移動させた状態の概略的斜視図である。FIG. 3 is a schematic perspective view showing a state in which the disc-like valve body of FIG. 2 is moved in the closing direction. 図４は、図３の円盤状弁体を閉じた状態の概略的図である。FIG. 4 is a schematic view showing a state in which the disc-like valve body of FIG. 3 is closed. 図５は、図１の概略的断面図である。FIG. 5 is a schematic cross-sectional view of FIG. 図６は、図５のＡ−Ａ線による概略的断面図である。6 is a schematic cross-sectional view taken along line AA in FIG. 図７は、図５のＢ−Ｂ線による概略的断面図である。FIG. 7 is a schematic cross-sectional view taken along the line BB of FIG. 図８は、図５のＣ近傍を拡大して示す概略的一部拡大断面図である。FIG. 8 is a schematic partially enlarged cross-sectional view showing the vicinity of C in FIG. 5 in an enlarged manner.

本発明の一実施例のバタフライ開閉弁を図面（図１乃至図８）を参照して説明する。
図１乃至図４に示すＶは流通路Ｐを開閉するバタフライ開閉弁で、バタフライ開閉弁Ｖは、第１の通路Ｐ１と第２の通路Ｐ２の途中に設けられ、ハウジング１と、このハウジング１内に設けられた流通路Ｐ（図２参照）を開閉する円盤状弁体２を有する。 A butterfly on / off valve according to an embodiment of the present invention will be described with reference to the drawings (FIGS. 1 to 8).
1 to 4 is a butterfly on / off valve for opening and closing the flow passage P. The butterfly on / off valve V is provided in the middle of the first passage P1 and the second passage P2, and includes a housing 1 and the housing 1 It has a disc-like valve body 2 that opens and closes a flow passage P (see FIG. 2) provided therein.

また、図３に示す３は熱媒体通路で、熱媒体通路３は、例えば、パイプ、より詳しくは、銅パイプで形成されている。
熱媒体通路３は、図３に示すように、ハウジング１の表面の略全体に亘って設けられ、熱媒体通路３に冷却媒体（例えば、冷却水）又は加温媒体（例えば、蒸気）を流して、ハウジング１の略全体に亘って冷却又は加温することができる。 3 is a heat medium passage, and the heat medium passage 3 is formed of, for example, a pipe, more specifically, a copper pipe.
As shown in FIG. 3, the heat medium passage 3 is provided over substantially the entire surface of the housing 1, and a cooling medium (for example, cooling water) or a heating medium (for example, steam) flows through the heat medium passage 3. Thus, the entire housing 1 can be cooled or heated.

熱媒体通路３の設置について、以下詳述する。
即ち、図２及び図３に示す１１は一方の環状溝で、一方の環状溝１１は、ハウジング１の両端面の内の一方の端面１Ｃであって、ハウジング１の外周１Ａより内周１Ｂに近い側であって、内周１Ｂに沿って設けられている溝である。
また、図３に示す１２は第１の一方導入溝で、第１の一方導入溝１２は、ハウジング１の外周１Ａから一方の環状溝１１に導く溝である。
また、図３に示す１３は第２の一方導入溝で、第２の一方導入溝１３は、一方の環状溝１１からハウジング１の外周１Ａへ導く溝である。 The installation of the heat medium passage 3 will be described in detail below.
That is, 11 shown in FIG. 2 and FIG. 3 is one annular groove, and one annular groove 11 is one end face 1C of both end faces of the housing 1 and extends from the outer periphery 1A of the housing 1 to the inner periphery 1B. It is a groove provided on the near side and along the inner circumference 1B.
Also, 12 shown in FIG. 3 is a first one introduction groove, and the first one introduction groove 12 is a groove that leads from the outer periphery 1 </ b> A of the housing 1 to one annular groove 11.
Further, 13 shown in FIG. 3 is a second one introduction groove, and the second one introduction groove 13 is a groove that leads from one annular groove 11 to the outer periphery 1 </ b> A of the housing 1.

また、図３に示す１５は他方の環状溝で、他方の環状溝１５は、ハウジング１の両端面の内の他方の端面１Ｄであって、ハウジング１の外周１Ａより内周１Ｂに近い側であって、内周１Ｂに沿って設けられている溝である。
また、図３に示す１６は第１の他方導入溝で、第１の他方導入溝１６は、ハウジング１の外周１Ａから他方の環状溝１５に導く溝である。
また、図３に示す１７は第２の他方導入溝で、第２の他方導入溝１７は、他方の環状溝１５からハウジング１の外周１Ａへ導く溝である。 Further, 15 shown in FIG. 3 is the other annular groove, and the other annular groove 15 is the other end face 1D of the both end faces of the housing 1, and is closer to the inner circumference 1B than the outer circumference 1A of the housing 1. It is a groove provided along the inner periphery 1B.
3 is a first other introduction groove 16, and the first other introduction groove 16 is a groove that leads from the outer periphery 1 </ b> A of the housing 1 to the other annular groove 15.
3 is a second other introduction groove 17, and the second other introduction groove 17 is a groove that leads from the other annular groove 15 to the outer periphery 1 </ b> A of the housing 1.

そして、熱媒体通路３は第１の一方導入溝１２、一方の環状溝１１、第２の一方導入溝１３、第１の他方の導入溝１６、他方の環状溝１５、第２の他方導入溝１７に設けられ、ハウジング１の冷却又は加温のために、熱媒体通路３に冷却媒体又は加温媒体を流すようにして、ハウジング１の内壁面又は円盤状弁体２に効率良く熱を伝えることができるようになっている。
例えば、ハウジング１の内壁面を加熱することにより、ハウジング１内に設けられた流通路の内壁面に異物が付着するのを防ぐことができる。また、円盤状弁体２を冷却することにより、円盤状弁体２の外周に取り付けたシール部材４の劣化を防ぐことができるようにしている。
また、第１の一方導入溝１２、一方の環状溝１１、第２の一方導入溝１３に設けられた熱媒体通路３は、ハウジング１の一方の端面１Ｃから突出しないように位置し、第１の他方導入溝１６、他方の環状溝１５、第２の他方導入溝１７に設けられた熱媒体通路３は、ハウジング１の他方の端面１Ｄから突出しないように位置している。
その結果、バタフライ開閉弁Ｖを流体通路に接続する際、熱媒体通路３が支障とならず、流体通路にバタフライ開閉弁Ｖを設置することができる。
なお、熱媒体通路３は、溝内に図示しない接着剤を介して固定されている
。 The heat medium passage 3 includes a first one introducing groove 12, one annular groove 11, a second one introducing groove 13, a first other introducing groove 16, the other annular groove 15, and a second other introducing groove. 17 is provided to efficiently transfer heat to the inner wall surface of the housing 1 or the disc-like valve body 2 by flowing the cooling medium or the heating medium through the heat medium passage 3 in order to cool or warm the housing 1. Be able to.
For example, by heating the inner wall surface of the housing 1, it is possible to prevent foreign matters from adhering to the inner wall surface of the flow path provided in the housing 1. In addition, by cooling the disc-like valve body 2, the deterioration of the seal member 4 attached to the outer periphery of the disc-like valve body 2 can be prevented.
The heat medium passage 3 provided in the first one introduction groove 12, the one annular groove 11, and the second one introduction groove 13 is positioned so as not to protrude from one end face 1 </ b> C of the housing 1. The heat medium passage 3 provided in the other introduction groove 16, the other annular groove 15, and the second other introduction groove 17 is positioned so as not to protrude from the other end face 1 </ b> D of the housing 1.
As a result, when the butterfly on-off valve V is connected to the fluid passage, the heat medium passage 3 does not hinder, and the butterfly on-off valve V can be installed in the fluid passage.
The heat medium passage 3 is fixed in the groove via an adhesive (not shown).

また、上述した熱媒体通路３は、ハウジング１の表面の略全体に亘って設けたが、本願発明にあっては、これに限らず、図示しないが、熱媒体通路３をハウジング１内部の略全体に亘って設けるようにしても、同様な効果を有する。     In addition, although the above-described heat medium passage 3 is provided over substantially the entire surface of the housing 1, the present invention is not limited to this, and although not shown, the heat medium passage 3 is provided in the housing 1. Even if it is provided throughout, the same effect is obtained.

また、上述した熱媒体通路３は、ハウジング１に亘って設けたが、本願発明にあっては、これに限らず、円盤状弁体２に設けても良い。
即ち、円盤状弁体２の冷却又は加温のために、円盤状弁体２内部に冷却媒体又は加温媒体を流す熱媒体通路３’を設けている。
その結果、円盤状弁体２又は円盤状弁体１の近傍のハウジング２内壁面を冷却又は加温することができる。
なお、特に、円盤状弁体２の外周に設けたシール部材４と、円盤状弁体２内に設けられた流体を流す熱媒体通路３’とを備え、ハウジング１内に設けられた流通路を円盤状弁体２で遮断すると共に、シール部材４が前記流通路の内壁面に当接して円盤状弁体２が前記流通路を閉じ、熱媒体通路３’に冷却媒体を流して円盤状弁体２を冷却するものにあっては、円盤状弁体２を介してシール部材４を冷却して、シール部材４の劣化を防ぐことができる。 Further, although the above-described heat medium passage 3 is provided over the housing 1, the present invention is not limited to this and may be provided in the disc-like valve body 2.
That is, in order to cool or warm the disc-like valve body 2, a heat medium passage 3 ′ through which the cooling medium or the heating medium flows is provided inside the disc-like valve body 2.
As a result, the inner wall surface of the housing 2 in the vicinity of the disc-like valve body 2 or the disc-like valve body 1 can be cooled or heated.
In particular, the flow passage provided in the housing 1 includes a seal member 4 provided on the outer periphery of the disc-like valve body 2 and a heat medium passage 3 ′ through which the fluid provided in the disc-like valve body 2 flows. Is shut off by the disc-like valve body 2, the seal member 4 abuts against the inner wall surface of the flow passage, the disc-like valve body 2 closes the flow passage, and the cooling medium is caused to flow into the heat medium passage 3 ′ to form a disc shape. In the case of cooling the valve body 2, the seal member 4 can be cooled via the disk-like valve body 2 to prevent the seal member 4 from being deteriorated.

また、図７に示すように、６は弁棒（６、７）の一方の軸で、７は弁棒（６、７）の他方の軸である。
２１は円盤状弁体２の内部に設けられた空所である。一方の軸６には、一方の軸６を貫通し、空所２１に連通する第１の通路６１が、他方の軸７には、他方の軸７を貫通し、空所２１に連通する第２の通路７１が、それぞれ形成されている。
上述の実施例と同様、円盤状弁体２の冷却又は加温のために、円盤状弁体２内に冷却媒体又は加温媒体を流す熱媒体通路３’を設けたため、円盤状弁体２又は円盤状弁体２の近傍のハウジング１の内壁面を冷却又は加温することができ、しかも、熱媒体通路３’は第１の通路６１、空所２１、第２の通路７１に設けられ、空所２１内の熱媒体通路３’は蛇行して配設されているため、冷却効果又は加温効果を高めることができる。
なお、円盤状弁体２は、円盤状弁体２に取り付けられた弁棒６、７を軸に回動するもので、例えば、図４に示すように、エアシリンダーで動くラック８に弁棒７に取り付けられた平歯車９を噛み合わせて行っている。
また、バタフライ開閉弁Ｖより外側に位置する熱媒体通路３’は、例えば図示しない回転自在継ぎ手を介して熱媒体供給通路（図示せず）、熱媒体排出通路（図示せず）に接続されている。 Further, as shown in FIG. 7, 6 is one shaft of the valve stem (6, 7), and 7 is the other shaft of the valve rod (6, 7).
Reference numeral 21 denotes a void provided inside the disc-like valve body 2. One shaft 6 passes through one shaft 6 and communicates with the cavity 21, and the other shaft 7 penetrates the other shaft 7 and communicates with the cavity 21. Two passages 71 are respectively formed.
As in the above-described embodiment, the disk-shaped valve body 2 is provided with the heat medium passage 3 ′ through which the cooling medium or the heating medium flows in order to cool or warm the disk-shaped valve body 2. Alternatively, the inner wall surface of the housing 1 in the vicinity of the disc-like valve body 2 can be cooled or heated, and the heat medium passage 3 ′ is provided in the first passage 61, the space 21, and the second passage 71. Since the heat medium passage 3 ′ in the space 21 is meandered, the cooling effect or the heating effect can be enhanced.
The disc-like valve body 2 rotates about the valve stems 6 and 7 attached to the disc-like valve body 2, and for example, as shown in FIG. The spur gear 9 attached to 7 is meshed.
Further, the heat medium passage 3 ′ located outside the butterfly on / off valve V is connected to a heat medium supply passage (not shown) and a heat medium discharge passage (not shown) via a rotatable joint (not shown), for example. Yes.

Ｖ バタフライ開閉弁
１ ハウジング
２ 円盤状弁体
３ 熱媒体通路 V Butterfly open / close valve 1 Housing 2 Disc-shaped valve body 3 Heat medium passage

Claims (2)

ハウジング内に設けられた流通路を開閉する円盤状弁体を有するバタフライ開閉弁で
あって、
前記ハウジングの両端面の内の一方の端面であって、前記ハウジングの外周より内周
に近い側であって、前記内周に沿って設けられた溝である一方の環状溝と、
前記ハウジングの外周から前記一方の環状溝に導く溝である第１の一方導入溝と、
前記一方の環状溝から前記ハウジングの外周へ導く溝である第２の一方導入溝と、
前記ハウジングの両端面の内の他方の端面であって、前記ハウジングの外周より内周
に近い側であって、前記内周に沿って設けられた溝である他方の環状溝と、
前記ハウジングの外周から前記他方の環状溝に導く溝である第１の他方導入溝と、
前記他方の環状溝から前記ハウジングの外周へ導く溝である第２の他方導入溝とを備
え、
熱媒体通路は前記第１の一方導入溝、前記一方の環状溝、前記第２の一方導入溝、前
記第１の他方の導入溝、前記他方の環状溝、前記第２の他方導入溝に設けられ、
前記ハウジングの冷却又は加温のために、前記熱媒体通路に冷却媒体又は加温媒体を
流す
ことを特徴とするバタフライ開閉弁。 A butterfly on / off valve having a discoid valve body for opening and closing a flow passage provided in a housing,
One end face of both end faces of the housing, which is closer to the inner periphery than the outer periphery of the housing, and one annular groove that is a groove provided along the inner periphery;
A first one introduction groove that is a groove leading from the outer periphery of the housing to the one annular groove;
A second one introduction groove which is a groove leading from the one annular groove to the outer periphery of the housing;
The other end face of the both end faces of the housing, which is closer to the inner circumference than the outer circumference of the housing, and the other annular groove that is a groove provided along the inner circumference;
A first other introduction groove which is a groove leading from the outer periphery of the housing to the other annular groove;
A second other introduction groove that is a groove that leads from the other annular groove to the outer periphery of the housing;
Heat medium passages are provided in the first one introduction groove, the one annular groove, the second one introduction groove, the first other introduction groove, the other annular groove, and the second other introduction groove. And
A butterfly on-off valve, wherein a cooling medium or a heating medium is allowed to flow through the heat medium passage for cooling or heating the housing. 第１の一方導入溝、一方の環状溝、第２の一方導入溝に設けられた熱媒体通路は、ハ
ウジングの一方の端面から突出しないように位置し、
第１の他方導入溝、他方の環状溝、第２の他方導入溝に設けられた熱媒体通路は、前
記ハウジングの他方の端面から突出しないように位置し
ていることを特徴とする請求項１記載のバタフライ開閉弁。 The heat medium passages provided in the first one introduction groove, the one annular groove, and the second one introduction groove are positioned so as not to protrude from one end face of the housing,
The first of the other guide grooves, the other of the annular groove, the heat medium passage provided in the second other introduction groove claim 1, characterized in that it is positioned so as not to protrude from the other end face of the housing The described butterfly on-off valve.
JP2014255674A 2014-12-18 2014-12-18 Butterfly open / close valve Expired - Fee Related JP6383283B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014255674A JP6383283B2 (en) 2014-12-18 2014-12-18 Butterfly open / close valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014255674A JP6383283B2 (en) 2014-12-18 2014-12-18 Butterfly open / close valve

Publications (2)

Publication Number Publication Date
JP2016114223A JP2016114223A (en) 2016-06-23
JP6383283B2 true JP6383283B2 (en) 2018-08-29

Family

ID=56141388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014255674A Expired - Fee Related JP6383283B2 (en) 2014-12-18 2014-12-18 Butterfly open / close valve

Country Status (1)

Country Link
JP (1) JP6383283B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018102757A1 (en) * 2016-12-02 2018-06-07 Applied Materials, Inc. Low particle protected flapper valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52143028U (en) * 1976-04-23 1977-10-29
JPS58162376U (en) * 1982-04-23 1983-10-28 アスカ工業株式会社 butterfly valve
JPH0314621Y2 (en) * 1986-09-29 1991-04-02
JPH0325460Y2 (en) * 1986-10-08 1991-06-03
JPS63133686U (en) * 1987-02-25 1988-09-01
JP3387639B2 (en) * 1994-08-12 2003-03-17 株式会社クボタ Thermal insulation structure of high temperature butterfly valve
JP4084861B2 (en) * 1997-03-19 2008-04-30 アドバンスド エナジー ジャパン株式会社 Control valve with heater
US6296007B1 (en) * 2001-02-14 2001-10-02 Joseph Cifune Heated valve for operation in freezing conditions

Also Published As

Publication number Publication date
JP2016114223A (en) 2016-06-23

Similar Documents

Publication Publication Date Title
JP2010538233A5 (en)
JP5714135B2 (en) Butterfly valve
CA2594430A1 (en) Boronized valve seal
TW201506286A (en) A directional valve and method of operation
WO2016161529A8 (en) Valve for controlling a fluid flow
JP6383283B2 (en) Butterfly open / close valve
JP2016023704A (en) Flow channel switching valve
GB2527339A (en) Valve
SI23345B (en) Valve with cartridge inside rotating locking part, which provides linear media flow characteristic
WO2011032156A3 (en) Cooler bypass apparatus and installation kit
US2591429A (en) Valve
JPS63289389A (en) Sluice valve for hot-air duct
KR101361669B1 (en) Expansion Seat Valve Scattering Shipment Particles
RU2599405C2 (en) Ball valve
US1897781A (en) Chimney valve
CN203477405U (en) Jacket type plug valve
BR112017012229A2 (en) compressed air media device with variable flow fittings based on molded seals
US251019A (en) Linn b
US806271A (en) Device for equalizing the pressure of fluids.
CN205918913U (en) Butterfly valve with heat preservation effect
JP2015090183A (en) Soft sealing gate valve
ES2592936B1 (en) Ball valve with parallel closing seats
TWI500866B (en) Flow control device
KR20110011744A (en) Sealing structure for valve seat and disk
KR101182211B1 (en) Valve of fluid pipe line

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170601

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20180411

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180424

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180522

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180710

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180803

R150 Certificate of patent or registration of utility model

Ref document number: 6383283

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees