JPH0125950B2 - - Google Patents
Info
- Publication number
- JPH0125950B2 JPH0125950B2 JP13017184A JP13017184A JPH0125950B2 JP H0125950 B2 JPH0125950 B2 JP H0125950B2 JP 13017184 A JP13017184 A JP 13017184A JP 13017184 A JP13017184 A JP 13017184A JP H0125950 B2 JPH0125950 B2 JP H0125950B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- diameter end
- foreign matter
- valve body
- inflow hole
- 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
Links
- 230000002265 prevention Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は弁座と弁体との間に配管内の異物が
噛み込まれるのを防止できる異物噛込防止弁に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a foreign matter trapping prevention valve that can prevent foreign matter in piping from being caught between a valve seat and a valve body.
従来、気体や流体の配管に介在させる開閉用弁
としては、弁箱に弁室とこれに連通する断面円形
の流入孔とを設け、弁箱に螺合した弁棒に、弁室
と流入孔との間の円形弁座に対向する円錐形の弁
体における大径端部を一体に連設した構造のもの
が知られている。
Conventionally, for opening/closing valves interposed in gas or fluid piping, a valve chamber is provided with a valve chamber and an inflow hole with a circular cross section communicating with the valve chamber, and a valve stem screwed into the valve body is provided with a valve chamber and an inflow hole. A structure is known in which the large-diameter end of a conical valve body facing a circular valve seat between the valve body and the valve body are integrally connected.
一方、配管工事の際に、管端のねじ切り加工に
より生じた鉄切屑、螺合連結部に巻付けたシール
テープの切断屑、砂その他の異物が配管内に侵入
することがある。 On the other hand, during piping work, iron chips generated by threading the end of the pipe, cut scraps from the sealing tape wrapped around the threaded connection, sand, and other foreign substances may enter the pipe.
弁を閉じる時、その異物が弁座と弁体との間に
噛み込まれると、弁に漏洩が生じるという問題が
ある。 When the valve is closed, if the foreign matter gets caught between the valve seat and the valve body, there is a problem in that the valve leaks.
この発明は前述の問題を有利に解決できる異物
噛込防止弁を提供することを目的とするものであ
つて、この発明の要旨とするところは、弁箱１に
弁室２とこれに連通する断面円形の流入孔３とが
設けられ、弁箱１に螺合された弁棒４に、弁室２
と流入孔３との間の円形弁座５に対向する円錐形
の弁体６における大径端部が連設されている弁に
おいて、前記弁体６の小径端部に、その小径端部
の直径D1よりも大きくかつ前記流入孔３の直径
D2よりも若干小さい直径D3の大径端部７を有す
る円錐形の異物流入防止部材８における大径端部
が一体に連設されていることを特徴とする異物噛
込防止弁にある。
The object of the present invention is to provide a foreign object prevention valve that can advantageously solve the above-mentioned problem. A valve stem 4 screwed into the valve body 1 is provided with an inlet hole 3 having a circular cross section, and a valve chamber 2 is provided with an inlet hole 3 having a circular cross section.
In a valve in which a large-diameter end of a conical valve body 6 facing a circular valve seat 5 between the valve body 6 and an inflow hole 3 is connected, the small-diameter end of the conical valve body 6 is connected to the small-diameter end of the conical valve body 6. larger than the diameter D 1 and the diameter of the inflow hole 3
A foreign matter entrapment prevention valve is characterized in that the large diameter end of a conical foreign matter inflow prevention member 8 having a large diameter end 7 with a diameter D 3 slightly smaller than D 2 is integrally connected. .
次にこの発明を図示の例によつて詳細に説明す
る。
Next, the present invention will be explained in detail using illustrated examples.
図面はこの発明の一実施例を示すものであつ
て、弁箱１に、断面円形の弁室２と、その中央部
に連通する断面円形の流入孔３と、その流入孔３
に連通する流入路９と、前記弁室２の側部に連通
する流出路１０とが設けられ、かつ把手１１を固
定した弁棒４は弁箱１に螺合され、その弁棒４に
は弁室２と流入孔３との境界にある円形弁座５に
対向する円錐形の弁体６における大径端部が一体
に連設され、さらに弁体６の小径端部には、その
小径端部の直径D1よりも大きくかつ前記流入孔
３の直径D2よりも若干小さい直径D3の大径端部
７を有する円錐形の異物流入防止部材８における
大径端部が一体に連設されている。 The drawing shows an embodiment of the present invention, in which a valve body 1 includes a valve chamber 2 having a circular cross section, an inlet hole 3 having a circular cross section communicating with the center portion thereof, and the inlet hole 3.
A valve stem 4 is provided with an inlet passage 9 communicating with the valve chamber 2 and an outlet passage 10 communicating with the side of the valve chamber 2, and a handle 11 is fixed thereto. The large-diameter end of a conical valve body 6 facing the circular valve seat 5 at the boundary between the valve chamber 2 and the inflow hole 3 is integrally connected, and the small-diameter end of the valve body 6 has a small-diameter end. The large diameter end portion of the conical foreign matter inflow prevention member 8 having a large diameter end portion 7 having a diameter D 3 larger than the diameter D 1 of the end portion and slightly smaller than the diameter D 2 of the inflow hole 3 is integrally connected. It is set up.
前記流入孔３内に異物流入防止部材８の大径端
部が配置されているとき、それらの間に小間隙例
えば0.1mmの間隙が設けられ、その小間隙がフイ
ルター間隙となる。なお１２および１３は弁箱１
に螺合連結された配管である。 When the large-diameter end of the foreign matter inflow prevention member 8 is disposed within the inflow hole 3, a small gap, for example, 0.1 mm, is provided between them, and this small gap becomes a filter gap. Note that 12 and 13 are valve box 1
This is a pipe that is screwed into the pipe.
この発明によれば、弁体６を閉じる方向に移動
した場合、弁が閉じられる前に、まず異物流入防
止部材８の大径端部が流入孔３内に挿入されるの
で、その異物流入防止部材８の大径端部７により
流入孔３から弁座５および弁室２内への粒子状異
物の侵入が阻止され、また弁室２内の弁座５付近
に粒子状異物が存在する場合は、前記流入孔３と
大径端部７との間を通る高速流体により前記粒子
状異物が弁座５付近から吹き飛ばされ、次いで弁
体６が弁座５に押付けられるので、弁座５と弁体
６との間に粒子状異物が噛み込まれるのを確実に
防止することができ、そのため閉じた状態の弁座
５と弁体６との間から気体または液体等が漏洩す
るのを確実に防止することができ、また従来公知
の構造の弁における円錐形の弁体６の小径端部
に、円錐形の異物流入防止部材８を連設するだけ
でよいので、構造が簡単であると共に異物噛込防
止弁を低コストで製作できる等の効果が得られ
る。
According to this invention, when the valve body 6 is moved in the closing direction, the large diameter end of the foreign matter inflow prevention member 8 is first inserted into the inflow hole 3 before the valve is closed, so that the foreign matter inflow is prevented. The large diameter end 7 of the member 8 prevents particulate foreign matter from entering from the inflow hole 3 into the valve seat 5 and the valve chamber 2, and when particulate foreign matter is present near the valve seat 5 in the valve chamber 2. The particulate foreign matter is blown away from the vicinity of the valve seat 5 by the high-speed fluid passing between the inflow hole 3 and the large diameter end 7, and then the valve body 6 is pressed against the valve seat 5. It is possible to reliably prevent particulate foreign matter from being caught between the valve body 6 and the valve body 6, and therefore ensure that gas or liquid leaks from between the valve seat 5 and the valve body 6 in the closed state. Furthermore, since it is only necessary to connect the conical foreign matter inflow prevention member 8 to the small diameter end of the conical valve body 6 in a conventionally known valve structure, the structure is simple and Effects such as being able to manufacture a foreign object prevention valve at low cost can be obtained.
図面はこの発明の一実施例を示すものであつ
て、第１図は開放状態の異物噛込防止弁を示す縦
断側面図、第２図は異物侵入防止部材が流入孔に
挿入された状態を示す拡大縦断側面図、第３図は
閉塞状態の異物噛込防止弁を示す縦断側面図、第
４図はその一部を拡大して示す縦断側面図であ
る。
図において、１は弁箱、２は弁室、３は流入
孔、４は弁棒、５は円形弁座、６は弁体、７は大
径端部、８は異物流入防止部材、１１は把手であ
る。
The drawings show one embodiment of the present invention, in which FIG. 1 is a longitudinal side view showing the foreign matter intrusion prevention valve in an open state, and FIG. 2 shows a state in which the foreign matter intrusion prevention member is inserted into the inflow hole. FIG. 3 is an enlarged longitudinal side view showing the foreign matter trapping prevention valve in a closed state, and FIG. 4 is an enlarged longitudinal side view showing a portion thereof. In the figure, 1 is a valve box, 2 is a valve chamber, 3 is an inflow hole, 4 is a valve stem, 5 is a circular valve seat, 6 is a valve body, 7 is a large diameter end, 8 is a foreign matter inflow prevention member, and 11 is a It's a handle.
Claims (1)
流入孔３とが設けられ、弁箱１に螺合された弁棒
４に、弁室２と流入孔３との間の円形弁座５に対
向する円錐形の弁体６における大径端部が連設さ
れている弁において、前記弁体６の小径端部に、
その小径端部の直径D1よりも大きくかつ前記流
入孔３の直径D2よりも若干小さい直径D3の大径
端部７を有する円錐形の異物流入防止部材８にお
ける大径端部が一体に連設されていることを特徴
とする異物噛込防止弁。1 A valve chamber 1 is provided with a valve chamber 2 and an inflow hole 3 having a circular cross section communicating with the valve chamber 2, and a circular valve between the valve chamber 2 and the inflow hole 3 is provided on a valve stem 4 screwed to the valve chamber 1. In a valve in which a large-diameter end of a conical valve body 6 facing the seat 5 is connected, the small-diameter end of the valve body 6 includes:
The large diameter end of a conical foreign matter inflow prevention member 8 having a large diameter end 7 with a diameter D 3 larger than the diameter D 1 of the small diameter end and slightly smaller than the diameter D 2 of the inflow hole 3 is integrated. A foreign object jamming prevention valve characterized in that the valve is connected to the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13017184A JPS6110174A (en) | 1984-06-26 | 1984-06-26 | Valve for preventing entering of foreign matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13017184A JPS6110174A (en) | 1984-06-26 | 1984-06-26 | Valve for preventing entering of foreign matter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6110174A JPS6110174A (en) | 1986-01-17 |
| JPH0125950B2 true JPH0125950B2 (en) | 1989-05-19 |
Family
ID=15027722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13017184A Granted JPS6110174A (en) | 1984-06-26 | 1984-06-26 | Valve for preventing entering of foreign matter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110174A (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138393A1 (en) | 1981-09-26 | 1983-04-07 | Deutsche Babcock Ag, 4200 Oberhausen | Shut-off valve |
| JPH0626772Y2 (en) * | 1986-09-19 | 1994-07-20 | 三井石油化学工業株式会社 | valve |
| JPH01294919A (en) * | 1988-05-23 | 1989-11-28 | Nippon Carbureter Co Ltd | Suction throttle valve device for engine |
| JP2532654Y2 (en) * | 1990-02-06 | 1997-04-16 | 光雄 今村 | Cooling device for packaging |
| JP4019934B2 (en) * | 2002-12-26 | 2007-12-12 | 株式会社デンソー | Control valve and fuel injection valve |
| EP2843272A1 (en) * | 2013-08-26 | 2015-03-04 | MANN+HUMMEL GmbH | Control valve |
| JP6552457B2 (en) * | 2016-06-22 | 2019-07-31 | 株式会社鷺宮製作所 | Motorized valve |
| CN109715997B (en) * | 2016-09-30 | 2021-07-23 | 株式会社鹭宫制作所 | Electric valve |
| JP2018118488A (en) | 2017-01-27 | 2018-08-02 | 日立化成株式会社 | Aerogel laminate complex and heat insulation material |
| JP6522023B2 (en) * | 2017-02-22 | 2019-05-29 | 株式会社不二工機 | Motorized valve |
| WO2019187866A1 (en) * | 2018-03-26 | 2019-10-03 | 株式会社不二工機 | Electrically operated valve |
| JP7006979B2 (en) * | 2020-08-26 | 2022-01-24 | 株式会社不二工機 | Solenoid valve |
| JP7257706B2 (en) * | 2020-08-26 | 2023-04-14 | 株式会社不二工機 | electric valve |
-
1984
- 1984-06-26 JP JP13017184A patent/JPS6110174A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6110174A (en) | 1986-01-17 |
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